This steel compositions for use in additive manufacturing are disclosed. In some embodiments, a metal alloy includes a majority iron in addition to carbon, molybdenum, vanadium, and tungsten. Overall, there may be a ratio of a combined atomic percentage of molybdenum, vanadium, and tungsten relative to carbon that is between or equal to 2:1 and 5:1. Other components such as grain refiners and/or oxidation resistant materials may also be included in such an alloy.
The invention relates to a humidity sensor comprising: a first electrode having a first surface material; a second electrode having a second surface material that is different from the first surface material such that an electrical voltage is generated when the first surface material and the second surface material come into contact with a humid medium; a voltage-increasing device for increasing the electrical voltage; an energy storage device for storing the electrical energy provided by the two electrodes; and a transmitter unit for wirelessly transmitting information, wherein the energy storage device is arranged downstream of the voltage-increasing device in the signal direction so that, in a sensor state of the humidity sensor, an electrical supply energy for a control device for providing a sensor signal is present at an output of the energy storage device, and one of the electrodes is shaped as a coil which is electrically connected to a capacitor in order to form a resonant circuit so that, in a test state of the humidity sensor, the resonant circuit can be excited by an external high-frequency signal in order to generate the electrical supply energy for the control device in order to provide a test signal.
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour
H03F 3/08 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
H04B 10/66 - Non-coherent receivers, e.g. using direct detection
The invention relates to an adjustable signal source with low phase noise, comprising • an optical microwave phase detector (BOMPD) comprising • an intensity modulator (BIM) having an optical signal input, a modulation input (I) and a first output (01) and a second output (02), • a first photodiode (PD1), which can be irradiated with light from the first output (01) during operation, • a second photodiode (PD2), which can be irradiated with light from the second output (02) during operation, • wherein the first photodiode (PD1) and the second photodiode (PD2) are connected in series in a biased configuration during operation, • wherein a tapping point for a tapped signal is arranged between the first photodiode (PD1) and the second photodiode (PD2), • furthermore comprising a controllable DC source (N4), • wherein an offset current can be set at the tapping point during operation by means of the first DC source (N4), whereby the symmetry of the optical microwave phase detector is eliminated during operation by way of an offset current, • wherein the tapping point with any offset current is conducted to a low-pass filter, • wherein the low-pass-filtered tapped signal is provided to an adjustable oscillator (OSZ).
The invention pertains to an enhanced PLL circuit having a phase detector section (PD) and Charge pump and Loopfilter section (CP+LF), whereby the Enhanced PLL circuit provides a steering signal (Vprop, Vint; Vctl) towards a voltage controlled oscillator (VCO), whereby an output signal generated by the voltage controlled oscillator is compared in the phase detector (PD) with a reference signal (Din) to thereby provide at least one signal (UP, DN) indicative of a deviation towards the Charge pump and Loopfilter section (CP+LF), to thereby enable said steering signal such that the output signal generated by the voltage controlled oscillator (VCO) is kept locked, whereby the Charge pump and Loopfilter section (CP+LF) is provided with a further offset current modulation (IOS,p, IOS,n), whereby the frequency is low with respect to the frequency of the output signal generated by the voltage controlled oscillator.
H03L 7/107 - Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
H03L 7/089 - Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
H03L 7/093 - Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
6.
PHOTONIC SYSTEM FOR GENERATING AND DETECTING QUANTUM LIGHT
The invention relates to a photonic system for generating and detecting quantum light, which can be scaled and reconfigured. The photonic system (1) comprises: at least one quantum light source (2) designed for generating quantum light (14, 15) in a plurality of frequencies and at different times, wherein the generating of quantum light (14, 15) occurs by means of a time-frequency entanglement, wherein a magnitude of the time-frequency entanglement can be adjusted (5); a measuring element (3) designed to select quantum light (14, 15) in a measuring mode, wherein the measuring mode can be adjusted (6), wherein the selecting converts the quantum light (14, 15) to other frequencies and/or separates same off at other times; at least one device for separating (7) a frequency-converted or temporally separated quantum light (14, 15) from the remaining quantum light; at least one photon detector (8), wherein the photon detector (8) is designed in such a way as to measure the frequency-converted or temporally separated quantum light (14, 15) in a colour-resolved and/or time-resolved manner, wherein the photon detector (8) detects individual photons or counts photons; and at least one device for electronically counting (9) detection results of the at least one photon detector (8).
TRANSFORMERLESS ON-BOARD CHARGING DEVICE FOR ELECTRIC VEHICLES, AND METHOD FOR CONTROLLING A DC/DC STAGE IN A TRANSFORMERLESS ON-BOARD CHARGING DEVICE FOR ELECTRIC VEHICLES
The invention relates to a transformerless on-board charging device for electric vehicles for charging a drive battery (BAT) with low leakage current, having a first DC/DC stage and a second DC/DC stage, wherein the two DC/DC stages are connected in series as a double stage, wherein both the first DC/DC stage and the second DC/DC stage each have • at least two switching elements, in particular one transistor and one diode or two transistors • at least one inductor coil, and • at least one output capacitor, wherein both the first DC/DC stage and the second DC/DC stage are arranged symmetrically with respect to a capacitive centre point of an intermediate circuit, wherein one DC/DC stage is connected to a partial intermediate circuit in each case, wherein the two DC/DC stages are connected in series on the battery side, and wherein the two DC/DC stages are also connected there to the same capacitive centre point of the intermediate circuit side, wherein both DC/DC stages are configured to each generate an output voltage that is variable over time during operation by means of simultaneous switching, wherein the frequency of said output voltage is between the grid frequency and three times the grid frequency. The invention also relates to an associated method for controlling a DC/DC stage in a transformerless on-board charging device for electric vehicles.
B60L 53/22 - Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 53/20 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
H02M 1/12 - Arrangements for reducing harmonics from AC input or output
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
H02M 3/156 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
The invention relates to a device for the low-common-mode conversion of alternating voltage, comprising: • a voltage feed (E1... E4), the voltage feed being provided, during operation, by means of a single-phase, two-conductor alternating voltage network, a single-phase, three-conductor alternating voltage network or a three-phase, multi-conductor alternating voltage network; • three first switching branches, each first switching branch having a bidirectional switch (SA, SB, SC) which can be cycled at low frequency; • wherein the outputs of the first switching branches can each be switchably led to a first conductor (m); • wherein during operation each of the inputs of the voltage feed (E1... E4) is led to a second conductor (p) by means of a first rectifier apparatus (D1a, D2a, D3a) in a positive half-wave; • wherein during operation each of the inputs of the voltage feed (E1... E4) is led to a third conductor (n) by means of a second rectifier apparatus (D1b, D2b, D3b) in a negative half-wave; • wherein the device also has at least two second switching branches, each second switching branch having a switch (S1, S2) which can be cycled at high frequency; • wherein a first of the second switching branches (S1) is located between the first conductor (m) and the second conductor (p), and a second of the second switching branches (S2) is located between the first conductor (m) and the third conductor (n); • wherein exactly one first effective step-up reactor (Lp) is located in the feed of the second conductor (p) to the first of the second switching branches (S1); • wherein exactly one second effective step-up reactor (Ln) is located in the feed of the third conductor (n) to the second of the second switching branches (S2).
H02M 1/10 - Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from AC or DC
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
H02M 1/12 - Arrangements for reducing harmonics from AC input or output
The invention relates to an electro-optical mixer (1) having at least one photodiode (PD1, PD2) for obtaining an optical input signal, wherein the at least one photodiode (PD1, PD2) converts the obtained optical input signal into an electrical input signal, and further having an electrical mixer (MX), wherein the electrical mixer (MX) has at least one input for a first signal to be mixed, local oscillator signal (LO), wherein the electric mixer (MX) also has a further input for a second signal to be mixed, wherein, during operation of at least one of the first input and the further input, input signals are obtained via at least one adaptation network (M1; M2), wherein during operation a mixed signal is available at the output of the mixer.
The invention relates to an extremity dummy comprising a first and a second dummy part (1, 2) which are articulated to each other by means of an articulation element (4) having at least one axis of rotation (G1, G2), a sensor (7) being associated with the at least one axis of rotation, preferably with each of a plurality of axes of rotation, by means of which sensor the angular position or a change in angle of the connected dummy parts relative to the associated axis or rotation can be measured. The invention also relates to a method for testing an orthosis by means of an extremity dummy.
A61F 5/01 - Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces
The invention relates to a load simulation test stand with at least one hydraulic test cylinder (1) that comprises two test cylinder chambers (1a, 1b) which can be supplied with hydraulic fluid by a pressure regulating system (4) and which operate counter to each other, wherein the at least one test cylinder (1), in particular each of a plurality of provided tests cylinders (1), comprises at least one capacity element (8, 8a), preferably a capacity element (8, 8a) which can be replaced or which has an adjustable hydraulic capacity and by means of which the total hydraulic capacity of the cylinder chambers (1a, 1b) can be adjusted. A respective capacity element (8, 8a) is connected to the at least one test cylinder (1) separately from the connections of the pressure regulating system (4), whereby the capacity element (8, 8a) is designed as a cylinder-piston assembly with a cylinder chamber which is divided by the piston (10) into two cylinder sub-chambers (9a, 9b) arranged about the piston (10). The piston (10) is movably supported on a restoring element (11) against a restoring force in each of the cylinder sub-chambers (9a, 9b), and each of the cylinder sub-chambers (9a, 9b) is hydraulically connected to one of the test cylinder chambers (1a, 1b).
The present invention relates to a sintering device for the additive manufacturing of metallic workpieces using a powder bed, comprising at least the components: a) irradiation unit; b) metal powder feed; c) vertically movable build platform, the build platform forming the base of the powder bed; d) process chamber walls delimiting the powder bed to the sides, the process chamber walls being formed from metal and being individually and locally selectively heatable and coolable as a function of the height from the base of the build platform, wherein a plurality of temperature sensors are arranged in or on the process chamber walls vertically spaced apart from one another. The present invention further relates to the use of a device according to the invention for the additive manufacture of metallic workpieces.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturingAuxiliary means for additive manufacturingCombinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
The invention relates to a metal powder for use in an additive manufacturing method, wherein the powder contains steel particles, wherein the steel particles comprise up to a weight percentage of greater than or equal to 0.01 wt.% and less than or equal to 5 wt.% of carbon nitride (C,N) and/or carbide (C) and/or nitride (N) selected from the group consisting of titanium, zirconium or mixtures thereof. The invention also relates to a method for producing a steel powder suitable for use in an additive manufacturing method, and to the use of the steel powder according to the invention in an additive manufacturing method.
The invention relates to a system with optical carrier distribution with a return channel without local oscillator, having a base station with a laser source (LD), with light of the laser source (LD) being distributed among one or more distant front-end devices, the front-end device furthermore having an output device which outputs a transmission signal under control by the received laser light of the laser source (LD), and a recording device which records a backscattered transmission signal, wherein part of the received laser light of the laser source (LD) is made available at an optical IQ generator for generating phase-shifted signals, wherein the received backscattered transmission signal is mixed with the signals of the IQ generator and returned to an evaluation device in the base station. The invention furthermore relates to a system with optical carrier distribution with a return channel without local oscillator, having a base station with a laser source (LD), with light of the laser source (LD) being distributed among one or more distant front-end devices, the front-end device furthermore having a recording device which records a reception signal, wherein part of the received laser light of the laser source (LD) is made available at an optical IQ generator for generating phase-shifted signals, wherein the reception signal is mixed with the signals of the IQ generator and returned to an evaluation device in the base station.
H04B 10/2575 - Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
G01S 7/00 - Details of systems according to groups , ,
G01S 13/00 - Systems using the reflection or reradiation of radio waves, e.g. radar systemsAnalogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
H04J 14/02 - Wavelength-division multiplex systems
16.
APPARATUS AND METHOD FOR CHARGING AN ELECTRIC BATTERY VEHICLE
The invention relates to an apparatus for charging a (fully) electric battery vehicle with a direct current, having a rectifier connected to a multiphase power supply system, having an intermediate circuit which is arranged on the charging side of the rectifier and is coupled to the latter and has a number of capacitances and a centre point, having a DC/DC converter which is arranged on the charging side of the intermediate circuit and is coupled to the latter and is intended to adapt an intermediate circuit voltage of the intermediate circuit to a charging voltage of a battery of the battery vehicle, wherein the centre point of the intermediate circuit is connected to a neutral conductor of the multiphase power supply system.
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H02M 7/02 - Conversion of AC power input into DC power output without possibility of reversal
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
The invention relates to a method for producing a hybrid part (3) which comprises at least a first and a second part component (1, 2) which have different coefficients of thermal expansion and are joined to each other integrally and/or frictionally. In said method, at least the first part component (1) is heated, preferably both part components (1, 2) are heated, and a mechanical stress is produced in at least one direction in the second part component (2), in particular in the one with the lower coefficient of thermal expansion, in particular by exerting at least one force (F) which pulls in at least one direction and acts on spaced-apart regions of said part component (2), and the first part component (1) and the stressed second part component (2) are joined to each other integrally and/or frictionally, in particular are cooled afterwards.
B29C 65/00 - Joining of preformed partsApparatus therefor
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B32B 37/14 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
B32B 37/04 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
C22C 47/08 - Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
B23K 20/00 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
18.
LOAD SIMULATION TEST STAND AND METHOD FOR OPERATING THE SAME
The invention relates to a load simulation test stand having at least one hydraulic test cylinder (1) which comprises at least one cylinder chamber (1a, 1b) which can be charged with hydraulic fluid, preferably two cylinder chambers (1a, 1b) which can be charged with hydraulic fluid and which act counter to one another, in the case of which load simulation test stand the at least one test cylinder (1), in particular each of multiple provided test cylinders (1), comprises at least one capacity element (5, 6, 7), preferably a capacity element (5, 6, 7) which is exchangeable or which is adjustable in terms of hydraulic capacity, by means of which the hydraulic overall capacity of the at least one cylinder chamber (1a, 1b) can be adjusted. The invention furthermore relates to a method for operating a load simulation test stand having at least one test cylinder (1), wherein the at least one test cylinder (1) is connected to a load which is to be moved, and wherein the load is moved by means of a pressure control system (4) by temporally changeable control of the fluid pressure in the at least one cylinder chamber (1a, 1b) of the at least one test cylinder (1), and wherein, for the load which is to be moved by means of the at least one test cylinder (1), in a manner dependent on the pressure control bandwidth of the pressure control system (4), the natural frequency of the unit composed of the at least one test cylinder (1) and load is set to a value smaller than the pressure control bandwidth by changing the capacity of the capacity element (5, 6, 7), preferably adjusting the capacity of the adjustable capacity element (5, 6, 7).
The present invention generally relates to the formation, chemistry and application of biologically active compositions. More particularly, the present invention relates to certain dyes, specifically porphyrin and chlorin derivatives, in combination with inventive polymers, i.e. light-cleavable polymers, that can be used as photosensitizer compositions for a wide range of light irradiation treatments such as photodynamic therapy of cancer, infections and other diseases. The dye derivatives may either be adsorbed on, or incorporated in, or attached to specific polymers, which as well form part of the invention.
A61K 41/00 - Medicinal preparations obtained by treating materials with wave energy or particle radiation
A61K 47/69 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit
C08G 64/30 - General preparatory processes using carbonates
C08G 63/682 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing halogens
C08G 63/688 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing sulfur
C08G 64/16 - Aliphatic-aromatic or araliphatic polycarbonates
C07D 319/06 - 1,3-DioxanesHydrogenated 1,3-dioxanes not condensed with other rings
C07C 271/16 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by singly-bound oxygen atoms
20.
COMPOSITION FOR A SURFACE COATING AND METHOD FOR PRODUCING SAME
The present invention relates to a composition for a surface coating (10), in particular for aquatic uses, comprising a block copolymer (12), wherein: the block copolymer (12) has at least a plurality of first blocks (14) and a plurality of second blocks (16); the first blocks (14) comprise an epoxy resin; the second blocks (16) comprise a polysiloxane; and the composition comprises a hardener and an amphiphilic phase mediator (22) that is different from the hardener, characterised in that the phase mediator is present in a concentration of from > 50 to < 100 wt.% in relation to the copolymer.
The present invention relates to a composition (12) for a surface coating (10), in particular for aquatic applications, characterised in that the composition (12) has a polymer structure composed of at least three units, wherein a first unit comprises a dendrimer structure based on a polyamidoamine, a second unit (14) comprises an epoxy resin, and a third unit (16) comprises an amine-reactive polysiloxane, wherein the polymer structure is constructed such that the first unit is designed as a central unit to which the second unit (14) and the third unit (16) are each covalently bonded.
q,refq,ref). A method for dynamic load simulation is thus provided, which reduces the time and expenditure compared to previously known methods and at the same time enables the use of hardware-in-the-loop simulations.
33322) in the melt lies in the range of 0.5-1 mol% at the start of the treatment; - the temperature of the melt lies in the range of 357-363°C during the treatment. The problem that is solved is thus that of achieving substantially identical diffusion depths of the ions in the event of a reversal of the known method steps during ion exchange, so as to produce periodically poled waveguides that are free from grooves to the greatest possible extent.
The invention relates to an integrating and hold circuit (IHC) as is typically used in front of a fast analog-to-digital converter (ADC). The aim of the invention is to increase the bandwidth. This aim is achieved, according to the invention, in that the circuit is constructed of a switch (S) and a resettable integrator (RI).
The present invention relates to a method for producing crystalline silicon carbide in fiber form, having the method steps of: a) providing a mixture with a silicon source, a carbon source and optionally a dopant, at least the silicon source and the carbon source being present together in particles of a solid granular material, as a reactant; b) treating the reactant provided in method step a) with a temperature in a range of ≥ 1650°C; c) depositing fibers with a diameter d F made of silicon carbide onto a substrate, the substrate (20) being positioned in fluid contact with the reactant, and the substrate (20) being heatable to a temperature which is lower than the temperature of the reactant by a temperature range of ≥ 50°C to ≤ 100°C, and the substrate (20) having a seed structure (22) with seed points (24), the seed points (24) being spaced from each other by a distance d which is larger than the diameter d F of the fibers to be produced.
The invention relates to: a method for producing a multi-component fibre, characterised in that the fibre is formed from a plurality of filaments, wherein the filaments each have a core and a thermoplastic casing, and wherein the casing is created during production of the filaments via in-situ polymerisation of monomers or oligomers of the thermoplastic on the surface of the core; as well as correspondingly produced multi-component fibres and organic sheets produced from same.
The invention relates to a follow-hold circuit, for converting an analog input signal into a digital output signal, having a hold capacity unit, having a voltage amplifier unit containing an input, to which an analog input voltage signal can be connected, and containing an output, which is connected to the hold capacity unit, having an operating point adjustment unit for controlling the voltage amplifier unit, wherein a control signal is applied to an input of the operating point adjustment unit, such that, in a follow mode of the follow-hold circuit, an output signal applied to the output of the voltage amplifier unit follows an input signal applied to the input of the voltage amplifier unit, and, in a hold mode of the follow-hold circuit, the output signal of the voltage amplifier unit is constant, having a clock signal source for generating a sequence of clock signals applied to an input of the operating point adjustment unit, wherein the operating point adjustment unit has electrooptical means for generating the control signal, such that the clock signal source is designed as an optical clock signal source, such that an optical impulse sequence having high and low clock signals is applied to the input of the operating point adjustment unit as an optical clock signal source.
H03K 3/42 - Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
29.
CURRENT MEASURING DEVICE AND METHOD FOR MEASURING AN ELECTRICAL CURRENT IN A CURRENT CONDUCTOR
Current measuring device and method for measuring an electrical current in a current conductor. The invention relates to a current measuring device for measuring an electrical current in a current conductor of a power electronic arrangement, in particular of a controlled power electronic converter, having a current transformer (6) which is assigned to the current conductor, wherein the current measuring device has a current determination unit (3) which has an amplifier winding which is assigned to the current conductor conducting the current to be measured for the purpose of determining a coil voltage representing the current to be measured, which comprises the current transformer which is arranged in a second commutation path (2) for the purpose of determining a measurement voltage which represents the current to be measured and has a first gradient profile, which comprises an observer module (4), to which the measurement voltage and the coil voltage are applied on the input side and which is designed in such a manner that an output signal from the observer module corresponds to a profile of the measurement voltage in the conduction state of the second commutation path and corresponds to a profile of an estimated signal in a conduction state of the first commutation path (1), wherein the estimated signal is formed by continuing the measurement voltage with a second gradient profile which is the same as the first gradient profile in terms of absolute value but is negative.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
The invention relates to a method for producing a nano- or microstructured foam, wherein the foam is constructed of a plurality of in particular nano- or microstructured silicon carbide fibers connected to each other, characterized in that the method has the following steps: a) providing a mixture having a silicon source and a carbon source, wherein the silicon source and the carbon source are jointly present in particles of a solid granular material; b) treating the mixture provided in step a) at a temperature in a range of ≥ 1400°C to ≤ 1500°C. Such a method allows a foam formed of silicon carbide fibers to be produced simply and economically.
The present invention relates to a process for producing a silicon carbide-containing body (100), characterized in that the process has the following process steps: a) providing a mixture (16) comprising a silicon source and a carbon source, the silicon source and the carbon source being present together in particles of a solid granular material; b) arranging a layer of the mixture (16) provided in process step a) on a carrier (12), the layer of the mixture (16) having a predefined thickness; and c) treating the mixture (16) arranged in process step b) over a locally limited area with a temperature within a range from ≥ 1400°C to ≤ 2000°C according to a predetermined three-dimensional pattern, the predetermined three-dimensional pattern being selected on the basis of the three-dimensional configuration of the body (100) to be produced. Such a process allows simple and inexpensive production even of complex structures from silicon carbide.
C04B 35/565 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides based on silicon carbide
C04B 35/571 - Fine ceramics obtained from polymer precursors
The present invention relates to a method for producing an electrode (18), in particular for photocatalytic electrolytic water splitting, comprising the method steps of: a) providing an electrode blank, wherein the blank comprises carbon-containing fibres; b) providing a mixture (50) of a carbon source and a silicon source; c) heating the mixture (50), in particular to a temperature of at least 1700°C, while forming a reaction gas comprising silicon and carbon or comprising a silicon-carbon compound; and d) bringing the blank into contact with the reaction gas while producing a basic electrode, wherein the basic electrode comprises silicon carbide fibres. Such a method allows low-cost, effective electrolytic splitting of water (16).
The present invention relates to a method for producing a fibre-reinforced, transparent composite material (10), comprising the following steps: a) providing a material matrix melt and b) producing reinforcing fibres (14), step b) of the method comprising the steps of b1) providing a mixture having a silicon source and a carbon source, the silicon source and the carbon source being present together in particles of a granulated solid; b2) treating the mixture provided in step a) of the method at a temperature in a range from ≥ 1400°C to ≤ 2000°C, more particularly in a range from ≥ 1650°C to ≤ 1850°C; thereby producing reinforcing fibres (14), the method comprising the further steps of c) introducing the reinforcing fibres (14) into the material melt; and d) optionally cooling the material melt to form a transparent composite material (10). A method of this kind allows a composite material to be produced that is able to unite high transparency with outstanding reinforcing qualities.
C03C 14/00 - Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
The invention relates to a device for continuously producing qualitatively high-grade crystalline silicon carbide, in particular in the form of nanocrystalline fibre.
D01F 9/08 - Man-made filaments or the like of other substancesManufacture thereofApparatus specially adapted for the manufacture of carbon filaments of inorganic material
35.
PFC RECTIFIER AND METHOD FOR OPERATING A PFC RECTIFIER
The invention concerns a PFC rectifier having two input terminals, having two output terminals, in which an inductor and a diode are connected in series, and an electronic switch and a capacitor are connected in parallel therewith, in order to generate an output voltage at the output of the circuit as a function of an input voltage and an input current, wherein the input current KO can be determined through current control by means of an artificial neural network. The invention also concerns a method relating hereto.
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
36.
METHOD FOR PRODUCING AN ELECTRODE MATERIAL FOR A BATTERY ELECTRODE
The invention relates to a method for producing an electrode material for a battery electrode, in particular for a lithium-ion battery, said electrode material comprising nanostructured silicon carbide. The method has the following steps: a) providing a mixture of a silicon source, a carbon source, and a dopant, wherein at least the silicon source and the carbon source are provided together in particles of a solid granulate; and b) treating the mixture provided in method step a) at a temperature ranging from ≥ 1400 °C to ≤ 2000 °C, in particular ranging from ≥ 1650 °C to ≤ 1850 °C. Method step b) is carried out in a reactor that has a depositing surface, the temperature of which is reduced relative to at least one other inner reactor surface. In summary, the aforementioned method allows a simple and inexpensive producibility to be combined with a high cycle stability.
The invention relates to a method for coating surfaces by enzymatic reaction of a biopolymer, wherein the method comprises the following steps: a) applying an enzyme to the surface of a substrate, and b) contacting the enzyme with the biopolymer to be deposited, wherein the enzyme cleaves the biopolymer, wherein the cleavage gives rise to at least two cleavage products of the biopolymer having different solubility in a solvent, and at least one cleavage product of the biopolymer having relatively low solubility is deposited on the surface of the substrate, and to a coated article obtainable by the method and to a coating composition comprising a biopolymer and at least one component selected from the group comprising binders, fillers, pigments and/or additives, and optionally a solvent.
The invention relates to a mobile steel cutting device (1) having actively operable blades (4) for cutting through structural components (2) in an action zone of the blades, wherein means are provided for at least locally heating the action zone of the structural components (2).
B23D 17/00 - Shearing machines or shearing devices cutting by blades pivoted on a single axis
B23D 31/00 - Shearing machines or shearing devices covered by none or more than one of the groups Combinations of shearing machines
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
The invention relates to a system having at least one transmitter (1) and one receiver (4) for wirelessly transmitting energy from the transmitter (1) to the receiver (4) in order to supply electrical energy to an electrically operated device (7) connected to the receiver (4), the transmitter (1) having a transmitting coil (3) for radiating energy and the receiver (4) having a receiving coil (5) for absorbing energy, characterized in that the transmitter (1) has a transmitter circuit (2) for generating a high-frequency output signal, which is fed into the transmitting coil (3), and the transmitting coil (3) is designed in the form of conductor loops (21), and/or the receiver (4) has a receiver circuit (6) for transferring the electrical energy absorbed by the receiving coil (5) to the electrically operated device (7), and the receiving coil (5) is designed in the form of conductor loops (21). The invention further relates to a transmitter and a receiver for such a system.
Christmann Informationstechnik + Medien GmbH & Co. KG (Germany)
Universität Paderborn (Germany)
Inventor
Brinkmann, André
Meister, Dirk
Abstract
The invention relates to a method for deduplicating data stored on a storage medium, comprising the following steps: a) in the event of a request to store a data block on the storage medium, a check is carried out to determine whether a data block having identical content is already stored on the storage medium, b) if the check carried out in step a) indicates that a data block having identical content is already stored on the storage medium, the data block to be stored is not stored anew, but rather a reference to the already stored data block having identical content is stored on the storage medium, c) if the check carried out in step a) indicates that a data block having identical content is not yet stored on the storage medium, the storage block to be stored is stored on the storage medium. According to the invention, d) before the check to determine if a data block having identical content is already stored on the storage medium, a check is carried out to determine whether the data block to be stored completely or mainly comprises metadata, and e) if the data block to be stored completely or mainly comprises metadata, said data block is stored on the storage medium without carrying out the check to determine if a data block having identical content is already stored on the storage medium. The invention further relates to a file server, comprising a processor, an operating system executed on the processor, and a storage medium, which is managed by the processor by means of the operating system, wherein the file server is designed to a perform a method for deduplicating data stored on the storage medium.
G06F 3/06 - Digital input from, or digital output to, record carriers
G06F 11/14 - Error detection or correction of the data by redundancy in operation, e.g. by using different operation sequences leading to the same result
41.
SELF-STRUCTURING SURFACES THROUGH PDMS PHASE SEPARATIONS IN HARD POLYMER COATINGS
FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (Germany)
Inventor
Ressel, Jörg
Bremser, Wolfgang
Reicher, Johann
Stenzel, Volkmar
Brinkmann, Andreas
Abstract
The present invention relates to enamels for coating of surfaces containing a polymer, comprising a base polymer and modifying units which are incompatible with the base polymer after the polymer has cured and lead to the formation of separate phases at the surface, and to processes for production thereof. The enamels have a low coefficient of friction and frictional resistance.
C09D 179/08 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
C09D 183/10 - Block or graft copolymers containing polysiloxane sequences
H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
42.
LAYERED STRUCTURE OF A LUMINESCENT DEVICE, METHOD FOR PRODUCING AND OPERATING A LUMINESCENT DEVICE AND CORRESPONDINGLY PRODUCED LUMINESCENT DEVICE
The invention relates to a layered structure (1) of a device which luminesces due to organic luminescence, which structure consists of at least two layers (2, 3) of transparent semiconducting fibers as the substrate and electrode and a layer (5) of a photoactive polymer which is arranged between adjacent layers (2, 3) and in which organic luminescence (7) can be induced when it interacts with the adjacent layers (2, 3) of transparent semiconducting fibers. The invention further relates to methods for producing and operating corresponding layered structures and to luminescent devices fashioned therewith.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
H01L 51/56 - Processes or apparatus specially adapted for the manufacture or treatment of such devices or of parts thereof
43.
MULTIPROCESSOR COMPUTER SYSTEM HAVING A PLURALITY OF WORKING PROCESSORS AND A PLURALITY OF MONITORING PROCESSORS FOR MONITORING THE WORKING PROCESSORS
CHRISTMANN INFORMATIONSTECHNIK + MEDIEN GMBH & CO. KG (Germany)
UNIVERSITÄT PADERBORN (Germany)
Inventor
Christmann, Wolfgang
Strugholtz, Manuel
Hagemeyer, Jens
Porrmann, Mario
Abstract
The invention relates to a multiprocessor computer system (1) having a plurality of working processors (7), which are set up to execute a user program, and a plurality of monitoring processors (8, 9) for monitoring the working processors (7), having the following features: a) the monitoring processors (8, 9) are connected to one another via a data bus (11) for the purpose of interchanging data with one another, b) one monitoring processor is in the form of a master monitoring processor (9) and the remaining monitoring processors are in the form of slave monitoring processors (8), c) one slave monitoring processor (8) is respectively associated with one or more working processors (7) and is set up to record operating data relating to this or these operating processor(s) (7), d) the master monitoring processor (9) has a communication interface (5) for interchanging data with devices (26) outside the multiprocessor computer system (1), which communication interface is separate from the data bus (11), e) the master monitoring processor (9) is set up to collect operating data relating to the working processors (7), as recorded by the slave monitoring processors (8), to evaluate said data and to check the latter for compliance with at least one predetermined communication criterion, and to transmit operating data relating to the working processors (7), as collected by the slave monitoring processors (8), directly or in a preprocessed form via the communication interface (5) when the communication criterion is complied with.
The invention relates to a method for autophoretically coating a metal substrate at a pH value of 1 to 4 and a substrate immersion time of 1 s to 15 min in an aqueous polymer dispersion comprising at least one water-soluble and/or water dispersible (meth)acrylic block copolymer comprising at least one olefinic unsaturated monomer (a) having a metal ion coordinating group, at least one olefinic unsaturated monomer (b) different from monomer (a) and having a cross-linking group B and diphenylethylene incorporated by polymerization. The metal substrate is thereby not treated by etching substances prior to the autophoretic coating. The invention further relates to a corresponding coating agent and a multilayer paint finish comprising the corresponding autophoretically deposited layer.
B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
45.
METHOD FOR PRODUCING ROLLING BEARING COMPONENTS AT LEAST PARTIALLY MADE OF A SILICON CARBIDE MICROSTRUCTURE AND ROLLING BEARING COMPONENTS PRODUCED ACCORDINGLY
The invention relates to a method for producing rolling bearing components at least partially made of a silicon carbide microstructure, wherein a rolling bearing component is formed from a blank made of a material containing carbon, and in a first step the rolling bearing component made of the material containing carbon is produced substantially according to the desired final shape and/or final dimensions thereof, and subsequently the rolling bearing component is infiltrated with a precursor sol containing silicon and carbon or is coated at least in some areas with a silicon dioxide granulate rich in carbon and is baked at least once in a protective gas atmosphere in a treatment chamber, wherein the material of the rolling bearing component is partially or completely converted into silicon carbide by the infiltrated precursor sol or the silicon dioxide granulate gives off gas containing silicon carbide, wherein said gas penetrates the rolling element bearing component and partially or completely converts the material containing carbon into silicon carbide. During the conversion, the rolling bearing component is moved in the treatment chamber in such a way that the position of the rolling bearing component in the treatment chamber changes continuously.
Method to compress and/or to decompress data wherein a string consisting of multiple given substrings is by permutation transferred into a permuted string which is subsequently sorted into a sorted permuted string according to a given sorting criterion, characterized by the fact that identification symbols are assigned to the substrings of the string which are permuted and sorted in such a way together with the substrings that in a partial inverse transformation step the characters of the Nth substring are sequentially determined within the permuted string after determining the position of the Nth identification symbol assigned to the Nth substring within the sorted permuted string without reading the characters of other substrings of the permuted string.
The invention relates to a method for machining at least one workpiece (1) by means of at least one tool (2), wherein - at least one workpiece (1) and at least one tool (2) are brought in frictional contact and a temperature increase of the material of the at least one workpiece (1) is generated by a relative movement between the at least one workpiece (1) and the at least one tool (1) in the friction zone (3) and/or in the regions surrounding the friction zone (3) at least until the material of the at least one tool (1) is plasticized, characterized in that plasticized material of the at least one workpiece (1), in particular during the continuous frictional movement, is repositioned on the at least one workpiece (1) by moving the at least one tool (2) relative to the at least one workpiece (1) to create a shape of the at least one workpiece (1) that is at least locally different from the original shape of the workpiece.
The invention relates to a device for detecting mass particles in conducted air flows, in particular seed to be discharged in seeders, comprising a sensor unit (5), said sensor unit (5) comprising at least one sensor element (6, 6') with a piezoelectric element (7), an impingement surface (9) for the mass particles and a damping body (11) arranged on a side of the piezoelectric element (7) facing away from the impingement surface (9), such that an analyzable pulse signal (I) is generated when the mass particles hit the impingement surface (9).
A path sensor comprises an optical waveguide (40) with a core and a sheath which is at least partly transparent to light at a first end (42) of the optical waveguide (40) and so surrounding light (30) enters the core. A sensor element (20) is attached to a second end of the optical waveguide (40). Moreover, provision is made for a sleeve (10) which at least partly surrounds the first end of the optical waveguide (40) and can be displaced along the first end, wherein a position of the sleeve (10) can be determined as a function of radiation emitted into the sensor element (20) at the second end of the optical waveguide (40).
G01D 5/26 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light
The invention relates to an optical tactile sensor having an optical waveguide (10) with a core and a sheath which is at least partly transparent to light at a first end (14) of the optical waveguide (10). This affords the possibility of transmitting light from a light source (26) into the core. Moreover, a sensor element (20) is attached to a second end of the optical waveguide (10). An optical coupling element (16) with a pressure-dependent transparency to light is arranged between the first end (14) of the waveguide (10) and the light source (26). The coupling element (16) can be compressed by exerting pressure on the first end (16) of the optical waveguide (10), wherein the pressure can be determined as a function of radiation emitted into the sensor element (20) at the second end of the optical waveguide (10).
G01L 1/24 - Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis
H03K 17/968 - Switches controlled by moving an element forming part of the switch using opto-electronic devices
G06F 3/042 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
The invention relates to an optical flow sensor for measuring a flow rate and/or flow direction of a fluid, in particular of a gas, a gas mixture, a liquid or a liquid mixture, having at least one optical waveguide. The optical waveguide has a deformation-sensitive zone which can be arranged in a fluid stream to be measured. Arranged at one end of the optical waveguide is an evaluation unit for measuring a deformation of the optical waveguide.
G01F 1/28 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
G01F 1/32 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
G01H 9/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
G01P 5/02 - Measuring speed of fluids, e.g. of air streamMeasuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
The invention relates to a shunting switch, having a main track comprising a plurality of rail sections mounted in a stationary manner, a branch track comprising a plurality of rail sections mounted in a stationary manner, and two movable rail sections, which can be switched into several switch positions using a control unit, wherein the two movable rail sections can be switched independently of each other.
The invention relates to a method for estimating channel parameters of a radio channel used for transmitting messages in a receiver, in which a message received from a transmitter is decoded and subjected to an estimation, wherein an algorithm is used for determining the estimated message, wherein the estimated message is calculated using decoding parameters determined during the decoding of the received message.
H04L 1/00 - Arrangements for detecting or preventing errors in the information received
H04L 1/20 - Arrangements for detecting or preventing errors in the information received using signal-quality detector
H03M 13/41 - Sequence estimation, i.e using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
The invention relates to a method for production of an object with an at least partly silicon carbide structure from a blank of a carbon-containing material, wherein, in a first step, the object made from the carbon-containing material is produced essentially in the desired end form and/or end size, the object made from the carbon-containing material is then at least partly enveloped in a carbon-rich silicon dioxide granulate and then fired at least once in said envelope in a protective gas atmosphere such that the silicon dioxide granulate gives off gas containing silicon carbide which diffuses into the object and the carbon-containing material is completely or partly converted into silicon carbide. The invention further relates to a method for producing an object with an at least partly silicon carbide structure from a blank made from a carbon-containing material or a porous silicon carbide in which the pre-made object is infiltrated with a precursor sol containing silicon and carbon and fired at least once in a protective gas atmosphere at a firing temperature for carrying out a carbothermal reduction, wherein the infiltrated precursor sol gives off a gas containing silicon carbide which converts the material of the object partly or completely into silicon carbide.
C04B 35/565 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides based on silicon carbide
C04B 35/573 - Fine ceramics obtained by reaction sintering
55.
PHOTOVOLTAIC DEVICE COMPRISING FIBRES AS CARRIER LAYERS
The invention relates to a photovoltaic device (1), comprising a photovoltaic acceptor material (7) and a photovoltaic donor material (10), in which the photovoltaic device (1) comprises at least two carrier layers (2, 3), of which one carrier layer (2) has n-doped electron donors (6) and the other carrier layer has acceptor material (7) as p-doped or undoped electron acceptors, wherein the carrier layers (2, 3) are arranged with respect to one another such that they touch one another at least in sections, and the carrier layers (2, 3) are wetted or coated in filmlike fashion with a photovoltaic donor material (10). The carrier layers (2, 3), which are formed in particular from fibres (6, 7) composed of silicon carbide SiC, enable textile solar cells. Methods for producing the fibres (6, 7) and for producing the photovoltaic device (1) and textile structures formed therefrom are furthermore described. A photovoltaic device (1) is furthermore proposed, in which carrier elements of an individual carrier layer have a corresponding photovoltaically active construction by virtue of correspondingly applied layers.
H01L 51/42 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
The invention relates to a rail vehicle comprising a chassis provided with individual wheels which are respectively mounted on axle carriers in such a way that they can pivot in the horizontal direction about a vertical steering axle. Said rail vehicle also comprises a steering actuator associated with each wheel, for adjusting a pre-determined steering angle about the vertical steering axle, the wheels (1) of the axles being respectively mounted in such a way that they can be pivoted in the vertical direction about a horizontal camber axle (S) and can be acted upon by means of a camber actuator (7) in order to adjust a pre-determined camber angle (αs).
B61F 5/38 - Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
57.
METHOD FOR THE COMPRESSION OF A DATA SEQUENCE OF AN ELECTRONIC DOCUMENT
Disclosed is a method for compressing a data sequence of a electronic document, particularly a partially compressed XML document, with the aid of a structure definition of the data sequence, especially a DTD, an XML scheme, a Relax NG Compact, or a Relax NG schema, the structure definition defining at least one partial structure of the data sequence. The data sequence encompasses values of constants, particularly text data, for representing document data as well as structural data of the data sequence, especially tags, which contain start symbols and terminal symbols for the constants and the partial structures of the data sequence from at least some of the constants and the structural data, including structural data that matches parts of the structure definition. The inventive method is characterized in that a) a first sequence of hash values which comprises the values of the constants of the data sequence or representatives, particularly indices, of said values, is generated from the data sequence, and b) a second sequence of hash values is generated from the data sequence by removing the values of the constants and all structural data that matches parts of the structure definition from the data sequence.
The invention relates to a powerful 3-point inverter that is triggered by a pulse width modulator (5). The generated inverter voltage (Upwm) is used as an input signal for the LLCC bandpass filter (8) comprising a parallel inductor (Lp) that is arranged parallel to the ultrasonic device and a series resonant circuit (6) containing at least one series inductor (L5) and at least one series capacitor (C5). The LLCC filter additionally comprises the transformer (T) to isolate the potential while also comprising a cable if the ultrasonic actuators are placed at a certain distance such that a low-harmonic, broadband actuator voltage can be generated. The filter utilizes the capacity of the ultrasonic actuator (Cp), the capacity of the cable if a connecting cable is required, and the leakage inductance of the transformer.
H03H 1/00 - Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
patents