An instrument assembly comprises first and second portions 1, 2, detachably connectable together, one of the portions being a mount 2 fixable to a pole 4. The first portion has at least one engagement member 5 having a shaft and a head. The second portion has at least one keyhole-shaped opening 6 in which the head of the engagement member 5 can be retained. At least one of the portions includes an alignment element configured to reduce movement of the first portion 1 relative to the second portion 2 by at least one degree of freedom. The mount 2 may comprise a clamp 55 disposed at least partly within a housing 12 of the mount and a securing loop 54 located at least partially within the housing and arranged around an arm of the clamp 55. The securing loop 54 can be tightened to exert a force on the arm and retain it against the pole 4.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Scientific, surveying, measuring, signalling, and checking
(supervision) apparatus and instruments; apparatus for
recording, transmission or reproduction of data; data
acquisition equipment; data logging equipment; data loggers;
meteorological apparatus and equipment with an ethernet
output; meteorological apparatus and equipment with FTP data
transfer capability; meteorological apparatus and equipment
with 100 Hz input measurement capability; meteorological
apparatus and instruments; anemometers; 3D anemometer
sensors; sonic and ultrasonic anemometers; weather stations
(in the opinion of the International Bureau these terms are
too vague - Rule 13.2.b) of the Common Regulations);
multi-function weather stations (in the opinion of the
International Bureau these terms are too vague - Rule
13.2.b) of the Common Regulations); wind display equipment
(in the opinion of the International Bureau these terms are
too vague - Rule 13.2.b) of the Common Regulations); wind
sensors; heated wind sensors; wind speed sensors and
indicators; wind direction sensors and indicators; apparatus
or equipment for meteorological, hydrological, atmospheric
sciences research, industrial and process control or
monitoring applications; measurement systems with remote
access support; data processing equipment, data storage
equipment; data transmission equipment; electronic
interfaces to link, bridge, process, store or stream data;
electronic remote access and control equipment; scalable
computer networks of electronic equipment and computers;
computer networks with unlimited scaling capacity, from one
device to many devices; computers; cost-effective, low power
PC devices; computer networking equipment; computer
software; computer software for meteorological purposes;
computer networking software; computer software for scalable
networks of electronic equipment and computers; computer
software for networks with unlimited scaling capacity, from
one device to many devices; software interfaces to link,
bridge, process, store or stream data; computer software for
remote access and control; platform agnostic browser
interfaces. Scientific and technological services; data analysis and
research services (in the opinion of the International
Bureau these terms are too vague - Rule 13.2.b) of the
Common Regulations); software provided as a service; remote
or local data logging research services; remote or local
data analysis services (in the opinion of the International
Bureau these terms are too vague - Rule 13.2.b) of the
Common Regulations); remote or local computer services to
link, bridge, process, store or stream data; meteorological,
hydrological, and atmospheric research services;
meteorological, hydrological, and atmospheric measurement
services; industrial and process control or monitoring
services (in the opinion of the International Bureau these
terms are too vague - Rule 13.2.b) of the Common
Regulations); marine and offshore data analysis and research
services (in the opinion of the International Bureau these
terms are too vague - Rule 13.2.b) of the Common
Regulations); data analysis and research services for
transport and aviation systems (in the opinion of the
International Bureau these terms are too vague - Rule
13.2.b) of the Common Regulations); data analysis and
research services for renewable energy systems; data
analysis and research services for military or civil defence
industries (in the opinion of the International Bureau these
terms are too vague - Rule 13.2.b) of the Common
Regulations).
A coating for a transmissive optical component of an optical sensor comprises tetrakis(4-sulfophenyl)porphine (TSPP) crosslinked with a diazo resin (DAR). The coating may comprise alternate layers of (a) DAR and (b) a mixture of TSPP and poly(styrene sulfonate) (PSS). An optical sensor is provided for detecting an analyte that modifies the absorption spectrum of TSPP. The sensor comprises a transmissive optical component, a light source at an input side of the optical component and a detector for detecting light at at least one frequency at an output side of the optical component. The optical component has a coating as mentioned above.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
G01N 21/78 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Data processing equipment, data storage equipment; data
transmission equipment; electronic interfaces to link,
bridge, process, store or stream data; electronic remote
access and control equipment; scalable computer networks of
electronic equipment and computers; computer networks with
unlimited scaling capacity, from one device to many devices;
computers; cost-effective, low power PC devices; computer
networking equipment; computer software; computer software
for meteorological purposes; computer networking software;
computer software for scalable networks of electronic
equipment and computers; computer software for networks with
unlimited scaling capacity, from one device to many devices;
software interfaces to link, bridge, process, store or
stream data; computer software for remote access and
control; platform agnostic browser interfaces. Scientific and technological services; data analysis and
research services; software provided as a service; remote or
local data logging research services; remote or local data
analysis services; remote or local computer services to
link, bridge, process, store or stream data; meteorological,
hydrological, and atmospheric research services;
meteorological, hydrological, and atmospheric measurement
services; industrial and process control or monitoring
services; marine and offshore data analysis and research
services; data analysis and research services for transport
and aviation systems; data analysis and research services
for renewable energy systems; data analysis and research
services for military or civil defence industries.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Scientific, surveying, measuring, signalling, and checking (supervision) apparatus and instruments; apparatus for recording, transmission or reproduction of data; data acquisition equipment; data logging equipment; data loggers; meteorological apparatus and equipment with an ethernet output; meteorological apparatus and equipment with FTP data transfer capability; meteorological apparatus and equipment with 100 Hz input measurement capability; meteorological apparatus and instruments; anemometers; 3D anemometer sensors; sonic and ultrasonic anemometers; weather stations (in the opinion of the International Bureau these terms are too vague - Rule 13.2.b) of the Common Regulations); multi-function weather stations (in the opinion of the International Bureau these terms are too vague - Rule 13.2.b) of the Common Regulations); wind display equipment (in the opinion of the International Bureau these terms are too vague - Rule 13.2.b) of the Common Regulations); wind sensors; heated wind sensors; wind speed sensors and indicators; wind direction sensors and indicators; apparatus or equipment for meteorological, hydrological, atmospheric sciences research, industrial and process control or monitoring applications; measurement systems with remote access support; data processing equipment, data storage equipment; data transmission equipment; electronic interfaces to link, bridge, process, store or stream data; electronic remote access and control equipment; scalable computer networks of electronic equipment and computers; computer networks with unlimited scaling capacity, from one device to many devices; computers; cost-effective, low power PC devices; computer networking equipment; computer software; computer software for meteorological purposes; computer networking software; computer software for scalable networks of electronic equipment and computers; computer software for networks with unlimited scaling capacity, from one device to many devices; software interfaces to link, bridge, process, store or stream data; computer software for remote access and control; platform agnostic browser interfaces. (1) Scientific and technological services; data analysis and research services (in the opinion of the International Bureau these terms are too vague - Rule 13.2.b) of the Common Regulations); software provided as a service; remote or local data logging research services; remote or local data analysis services (in the opinion of the International Bureau these terms are too vague - Rule 13.2.b) of the Common Regulations); remote or local computer services to link, bridge, process, store or stream data; meteorological, hydrological, and atmospheric research services; meteorological, hydrological, and atmospheric measurement services; industrial and process control or monitoring services (in the opinion of the International Bureau these terms are too vague - Rule 13.2.b) of the Common Regulations); marine and offshore data analysis and research services (in the opinion of the International Bureau these terms are too vague - Rule 13.2.b) of the Common Regulations); data analysis and research services for transport and aviation systems (in the opinion of the International Bureau these terms are too vague - Rule 13.2.b) of the Common Regulations); data analysis and research services for renewable energy systems; data analysis and research services for military or civil defence industries (in the opinion of the International Bureau these terms are too vague - Rule 13.2.b) of the Common Regulations).
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Scientific apparatus and instruments, namely, anemometers, barometers, directional compasses, magnetic compasses, GPS directional compasses, gyrocompasses, marine compasses, electric GPS sensors, thermometers other than for medical purposes, hygrometers, precipitation sensors not for medical use, pyranometers being electronic sensors for measuring solar radiation, air quality sensors not for medical use, electric sensors, meteorological instruments, and digital weather station instruments; surveying apparatus and surveying instruments; measuring apparatus and instruments, namely, anemometers, barometers, directional compasses, magnetic compasses, GPS directional compasses, gyrocompasses, marine compasses, electric GPS sensors, thermometers not for medical purposes, hygrometers, precipitation sensors not for medical use, pyranometers being electronic sensors for measuring solar radiation, air quality sensors not for medical use, electric sensors, meteorological instruments, and digital weather station instruments; apparatus for recording of data, namely, electronic data loggers, electronic data recorders and electronic data processing apparatus; apparatus for transmission of data, namely, electronic data loggers, electronic data recorders and electronic data processing apparatus; apparatus for reproduction of data, namely, electronic data loggers, electronic data recorders and electronic data processing apparatus; data acquisition equipment, namely, anemometers, barometers, directional compasses, magnetic compasses, GPS directional compasses, gyrocompasses, marine compasses, electric GPS sensors, thermometers not for medical purposes, hygrometers, precipitation sensors not for medical use, pyranometers being electronic sensors for measuring solar radiation, air quality sensors not for medical use, electric sensors, meteorological instruments, and digital weather station instruments; data logging equipment, namely, electronic data loggers, electronic data recorders and electronic data processing apparatus; electronic data loggers; meteorological apparatus and equipment with an ethernet output, namely, anemometers, barometers, directional compasses, magnetic compasses, GPS directional compasses, gyrocompasses, marine compasses, electric GPS sensors, thermometers not for medical purposes, hygrometers, precipitation sensors not for medical use, pyranometers being electronic sensors for measuring solar radiation, air quality sensors not for medical use, electric sensors, meteorological instruments, and digital weather station instruments; meteorological apparatus and equipment with file transfer protocol data transfer capability, namely, anemometers, barometers, directional compasses, magnetic compasses, GPS directional compasses, gyrocompasses, marine compasses, electric GPS sensors, thermometers not for medical purposes, hygrometers, precipitation sensors not for medical use, pyranometers being electronic sensors for measuring solar radiation, air quality sensors not for medical use, electric sensors, meteorological instruments, and digital weather station instruments; meteorological apparatus and equipment, namely, anemometers, barometers, directional compasses, magnetic compasses, GPS directional compasses, gyrocompasses, marine compasses, electric GPS sensors, thermometers not for medical purposes, hygrometers, precipitation sensors not for medical use, pyranometers being electronic sensors for measuring solar radiation, air quality sensors not for medical use, electric sensors, meteorological instruments, and digital weather station instruments; meteorological apparatus and instruments being anemometers, barometers, directional compasses, magnetic compasses, GPS directional compasses, gyrocompasses, marine compasses, electric GPS sensors, thermometers not for medical purposes, hygrometers, precipitation sensors not for medical use, pyranometers being electronic sensors for measuring solar radiation, air quality sensors not for medical use, electric sensors, meteorological instruments, and digital weather station instruments; anemometers; 3D anemometer sensors for measuring wind speed, wind direction, speed of sound and temperature, not for medical use; sonic and ultrasonic anemometers; weather stations comprised of anemometers, barometers, directional compasses, magnetic compasses, GPS directional compasses, gyrocompasses, marine compasses, electric GPS sensors, thermometers other than for medical purposes, hygrometers, precipitation sensors not for medical use, pyranometers being electronic sensors for measuring solar radiation, air quality sensors not for medical use, electric sensors, meteorological instruments, and digital weather station instruments, sold as a unit; multi-function weather stations comprised of anemometers, barometers, directional compasses, magnetic compasses, GPS directional compasses, gyrocompasses, marine compasses, electric GPS sensors, thermometers not for medical purposes, hygrometers, precipitation sensors not for medical use, pyranometers being electronic sensors for measuring solar radiation, air quality sensors not for medical use, electric sensors, meteorological instruments, and digital weather station instruments, sold as a unit; wind display equipment, namely, anemometers, directional compasses, magnetic compasses, GPS directional compasses, gyrocompasses, marine compasses, electric GPS sensors, thermometers not for medical purposes, electric sensors, meteorological instruments and digital weather station instruments; wind sensors being anemometers, electric sensors and sensors for measuring wind speed, not for medical use; heated wind sensors being anemometers, electric sensors and sensors for measuring wind speed, not for medical use; wind speed sensors being anemometers, electric sensors and sensors for measuring wind speed, not for medical use; wind direction sensors being anemometers, electric sensors and sensors for measuring wind speed, not for medical use; apparatus and equipment for meteorological, hydrological, atmospheric sciences research, industrial process control and monitoring applications, namely, anemometers, barometers, directional compasses, magnetic compasses, GPS directional compasses, gyrocompasses, marine compasses, electric GPS sensors, thermometers not for medical purposes, hygrometers, precipitation sensors not for medical use, pyranometers being electronic sensors for measuring solar radiation, air quality sensors not for medical use, electric sensors, meteorological instruments, and digital weather station instruments; measurement systems with remote access support in the nature of ultrasonic time of flight measurement and calculation systems and signal quality assessment systems comprised of signal processors, directional compasses, temperature sensors; data processing equipment, namely, computers, personal computers and smartphones; data storage equipment, namely, hard disk drives, solid state drives, memory cards, and secure digital (SD) memory cards; data transmission equipment, namely, computer network routers, modems, computer switches, computer hardware in the nature of console servers and terminal servers, power supplies and wireless access point (WAP) devices; electronic interfaces to link, bridge process, store, and stream data in the nature of interfaces for computers and smartphones; electronic remote access and control equipment, namely, cable modems, fibre optics, console servers being computer hardware, computer switches, computer network routers, computers, personal computers and smartphones; LAN (local area network) hardware and computer networking hardware; low power personal computer devices being personal computers; computer networking equipment being computer networking hardware and computer network switches; downloadable computer software for facilitating unit configuration, providing unit status codes, displaying meteorological and environmental data, and for use in meteorological and weather prediction, all in the field of environmental sensing; downloadable computer software for meteorological purposes, namely, downloadable software for unit configuration, providing unit status codes, displaying meteorological or environmental data and for meteorological or weather prediction for environmental sensing applications; downloadable computer networking software; downloadable computer software for scalable networks of electronic equipment and computers, namely, downloadable software for facilitating unit configuration, providing unit status codes, displaying meteorological and environmental data, and for use in meteorological and weather prediction, all in the field of environmental sensing; downloadable computer software for networks with unlimited scaling capacity from one device to many devices, namely, downloadable software for facilitating unit configuration, providing unit status codes, displaying meteorological and environmental data, and for use in meteorological and weather prediction, all in the field of environmental sensing; software interfaces to link, bridge, process, store and stream data in the nature of interfaces for computers; downloadable computer software for remote access and control, namely, downloadable computer software for use in facilitating unit configuration, providing unit status codes, displaying meteorological and environmental data, and for use in meteorological and weather prediction, all in the field of environmental sensing; platform agnostic browser interfaces in the nature of interfaces for computers Scientific and technological services, namely, scientific research, analysis, testing, measurement evaluations, monitoring, monitoring for safety services, environmental forecasting and meteorological forecasting in the fields of environmental sensing, meteorology, meteorological research, environmental research, wind energy, offshore wind energy, renewable energy, solar energy, construction, mining, road safety, highway monitoring, transportation, marine transportation, aviation and motorsport; scientific and technological services, namely, meteorological data analysis for others, calculating environmental and meteorological parameters that are not measured directly, trend gathering, statistical data analysis, environmental and meteorological forecasting and weather prediction, all in the fields of meteorology, environmental sensing, meteorological research, environmental research, wind energy, offshore wind energy, renewable energy, solar energy, construction, mining, road safety, highway monitoring, transportation, marine transportation, aviation and motorsport; scientific and technological services, namely, scientific research services in the fields of environmental sensing, meteorology, wind energy, renewable energy, eddy covariance and atmospheric flux measurement; software as a service (SAAS) services featuring software for facilitating unit configuration, providing unit status codes, displaying meteorological and environmental data, and for meteorological and weather prediction, all in the field of environmental sensing; scientific and technological services, namely, remote and local data logging research services in the fields of meteorology, environmental sensing, meteorological research, environmental research, wind energy, offshore wind energy, renewable energy, solar energy, construction, mining, road safety, highway monitoring, transportation, marine transportation, aviation and motorsport; scientific and technological services, namely, remote and local data analysis services in the fields of environmental sensing, meteorology, meteorological research, environmental research, wind energy, offshore wind energy, renewable energy, solar energy, construction, mining, road safety, highway monitoring, transportation, marine transportation, aviation and motorsport; scientific and technological services, namely, meteorological, hydrological and atmospheric scientific research services; scientific and technological services, namely, measurement evaluations, monitoring for safety services, environmental forecasting and meteorological forecasting in the fields of meteorology, hydrology and atmospheric science; quality control for others, namely, industrial process control and monitoring services; scientific and technological services, namely, marine and offshore scientific data analysis and research services in the fields of environmental sensing, meteorology, meteorological research, environmental research, offshore wind energy, renewable energy and marine transportation; scientific and technological services, namely, scientific data analysis and research services in the fields of transport and aviation; scientific and technological services, namely, scientific data analysis and research services in the fields of environmental sensing, meteorology, meteorological research, environmental research, wind energy, offshore wind energy, renewable energy and solar energy; scientific and technological services, namely, scientific data analysis and research services for military and civil defense industries, in the fields of environmental sensing and meteorology
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Data processing equipment, data storage equipment; data transmission equipment; electronic interfaces to link, bridge, process, store or stream data; electronic remote access and control equipment; scalable computer networks of electronic equipment and computers; computer networks with unlimited scaling capacity, from one device to many devices; computers; cost-effective, low power PC devices; computer networking equipment; computer software; computer software for meteorological purposes; computer networking software; computer software for scalable networks of electronic equipment and computers; computer software for networks with unlimited scaling capacity, from one device to many devices; software interfaces to link, bridge, process, store or stream data; computer software for remote access and control; platform agnostic browser interfaces. (1) Scientific and technological services; data analysis and research services; software provided as a service; remote or local data logging research services; remote or local data analysis services; remote or local computer services to link, bridge, process, store or stream data; meteorological, hydrological, and atmospheric research services; meteorological, hydrological, and atmospheric measurement services; industrial and process control or monitoring services; marine and offshore data analysis and research services; data analysis and research services for transport and aviation systems; data analysis and research services for renewable energy systems; data analysis and research services for military or civil defence industries.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electronic interfaces to link, bridge, process, store or stream data in the nature of interfaces for computers; downloadable computer software for meteorological unit configuration, providing meteorological unit status codes, displaying meteorological or environmental data and for meteorological or weather prediction for environmental sensing applications; downloadable computer software for displaying meteorological or environmental data and for meteorological or weather prediction for meteorological purposes; downloadable computer networking software for use in meteorology or environmental sensing; downloadable computer software for connecting scalable global computer networks of electronic equipment and computers for use in meteorology or environmental sensing; downloadable computer software for connecting global computer networks with unlimited scaling capacity, from one device to many devices for use in meteorology or environmental sensing; software interfaces to link, bridge, process, store or stream data in the nature of interfaces for computers, downloadable application programming interfaces (API) software, web page software and downloadable smart device application software for use in meteorology or environmental sensing; downloadable computer software for remote access and control, namely, downloadable computer software for use in meteorological unit configuration, providing meteorological unit status codes, displaying meteorological or environmental data and for meteorological or weather prediction; platform-agnostic browser interfaces in the nature of interfaces for computers, web pages, computer applications and smart device applications for use in meteorology or environmental sensing Scientific and technological services, namely, scientific research, analysis, testing, measurement evaluations, monitoring, monitoring for safety services, environmental forecasting and meteorological forecasting in the fields of environmental sensing, meteorology, research, academic research, meteorological research, environmental research, wind energy, offshore wind energy, renewable energy, solar energy, construction, mining, road safety, highway monitoring, transportation, marine transportation, aviation and motorsport; data analysis in the nature of meteorological data analysis for others, calculating environmental and meteorological parameters that are not measured directly, trend gathering, producing statistics, statistical data analysis, calculating likelihoods, environmental and meteorological forecasting and weather prediction; scientific research services in the fields of environmental sensing, meteorology, wind energy, renewable energy, eddy covariance and atmospheric flux measurement in the nature of scientific and technological services; software provided as a service (SAAS) services featuring software for meteorological unit configuration, providing meteorological unit status codes, displaying meteorological or environmental data and for meteorological or weather prediction for environmental sensing applications; remote and local data logging research services in the fields of environmental sensing, meteorology, research, academic research, meteorological research, environmental research, wind energy, offshore wind energy, renewable energy, solar energy, construction, mining, road safety, highway monitoring, transportation, marine transportation, aviation and motorsport, in the nature of scientific and technological services; remote and local data analysis services in the fields of environmental sensing, meteorology, research, academic research, meteorological research, environmental research, wind energy, offshore wind energy, renewable energy, solar energy, construction, mining, road safety, highway monitoring, transportation, marine transportation, aviation and motorsport, in the nature of scientific and technological services; meteorological, hydrological, and atmospheric research services in the nature of scientific and technological services; meteorological, hydrological, and atmospheric measurement services being measurement evaluations, monitoring, monitoring for safety services, environmental forecasting and meteorological forecasting in the fields of meteorology, hydrology and atmospheric science; industrial process control and monitoring services being quality control for others; marine and offshore data analysis and research services in the fields of environmental sensing, meteorology, research, academic research, meteorological research, environmental research, offshore wind energy, renewable energy and marine transportation being scientific and technological services; data analysis and research services for transport and aviation systems in the fields of transport and aviation, in the nature of scientific and technological services; data analysis and research services for renewable energy systems in the fields of environmental sensing, meteorology, research, academic research, scientific research meteorological research, environmental research, wind energy, offshore wind energy, renewable energy and solar energy, in the nature of scientific and technological services; data analysis and research services for military and civil defense industries, in the fields of environmental sensing, meteorology and intelligence gathering, in the nature of scientific and technological services
A telescopic arrangement (10) having a hollow cylinder (12) and a part (14) which is telescopically engaged with the cylinder. The arrangement is provided with at least one coil (22) constituting a first form of pulse-induction device, and at least one target (28) constituting a second form of pulse-induction device, to monitor the position of the said part (14) relative to the cylinder (12). A plurality of devices (22) each of one of the said first and second forms of device are positioned on the outside of the cylinder (12), at different respective positions therealong. At least one (28) of the other of the said first and second forms of device is fixed relative to the said part (14) of the arrangement (10) in a position such that it is moved over the said plurality of devices (22) in succession as the said part (14) is telescopically moved relative to the cylinder (12) of the arrangement (10).
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
G01D 5/20 - 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 electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
F16F 9/02 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only
A measurement device (10) comprising a sensing circuit (30) which is electrically floating and fully isolated. The sensing circuit (30) has a first (134) and a second (148) transformer across which is connected a measurement circuit (110). The device is so constructed that any signal generated in the coil (132) of the said first transformer (134) that is connected to the measurement circuit (110) caused by a change in any external magnetic field relative to the measurement circuit (110) is in anti-phase with the corresponding signal generated in the coil (164) of the said second transformer (148) that is connected to the measurement circuit (110).
G01F 23/26 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
G01F 23/04 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks
A pulse-induction displacement transducer comprising at least one coil component (100,150), at least one target (112,174), and pulse induction circuitry (102,152} constructed and arranged to cause a pulse of electrical current to pass through the said at least one coil component (100,150). The pulse ends abruptly. Subsequently, the electrical current passing through the said at least one coil component (100,150), or the voltage across it, is measured at a time when any electrical current through or voltage across the said at least one coil component (100, 150) would have died away in. the absence of a target. This provides an indication of the relative position between the target (112,174) and the said at least one coil component (100, 150). The said at least one coil component (100,150) comprises a first terminal portion (108,158), a first coil part (104,152) connected directly or indirectly to the said first terminal portion (108,158) and wound in one sense. The coil component (100,150) also comprises, in series with the said first coil part (104, 152), a second coil part (164) wound in the opposite sense. The said second coil part (106,164) is connected directly or indirectly to a second terminal portion (110, 168). The said pulse induction circuitry (102,152) is connected between the said first terminal portion (108,158) and the said second terminal portion (110,168).
G01B 7/14 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
G01D 5/20 - 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 electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
H03K 17/95 - Proximity switches using a magnetic detector
A magnetic field sensor for determining the strength and/or direction of a component of an ambient magnetic field. It comprises electrical circuitry which incorporates a magnetic sensing element, a voltmeter connected in the circuitry to provide a measure of the voltage across the magnetic sensing element, an electrical energy supply connector connected to the magnetic sensing element to supply an electrical current which passes through that element when the sensor is in use, and switches to reverse the direction of the flow of electrical current through the magnetic sensing element between successive measurements of the said voltage by the said voltmeter. The magnetic sensing element comprises a coil surrounding magnetic material. The electrical energy source connector and the said switches are connected to the said coil. The voltmeter is connected to measure the voltage across the said coil. The circuitry further comprises a timer connected within the circuitry to cause the voltmeter to provide measurements V1 and V2 respectively at times T1 and T2 which occur after successive operations of the switches respectively at times T0 and T5, to initiate the passage of electrical current through the coil in respective opposite directions, such that T1 - T0 = T2 - T5 = ??, where ?? is a predetermined period of time. A processor is connected in the circuitry to provide an indication of the value of V1-V2, the magnitude of which provides an indication of the strength of the said component, and the sign of which provides an indication of the direction of the said component. Also, a method of determining the strength and/or direction of a component of an ambient magnetic field using such a sensor.
A magnetic field sensor for determining the strength and/or direction of a component of an ambient magnetic field. It comprises electrical circuitry which incorporates a magnetic sensing element, a voltmeter connected in the circuitry to provide a measure of the voltage across the magnetic sensing element, an electrical energy supply connector connected to the magnetic sensing element to supply an electrical current which passes through that element when the sensor is in use, and switches to reverse the direction of the flow of electrical current through the magnetic sensing element between successive measurements of the said voltage by the said voltmeter. The magnetic sensing element comprises a coil surrounding magnetic material. The electrical energy source connector and the said switches are connected to the said coil. The voltmeter is connected to measure the voltage across the said coil. The circuitry further comprises a timer connected within the circuitry to cause the voltmeter to provide measurements V1 and V2 respectively at times T1 and T2 which occur after successive operations of the switches respectively at times T0 and T5, to initiate the passage of electrical current through the coil in respective opposite directions, such that T1 - T0 = T2 - T5 = ΔΤ, where ΔΤ is a predetermined period of time. A processor is connected in the circuitry to provide an indication of the value of V1-V2, the magnitude of which provides an indication of the strength of the said component, and the sign of which provides an indication of the direction of the said component. Also, a method of determining the strength and/or direction of a component of an ambient magnetic field using such a sensor.
A depth gauge comprising an elongate support (1) which is intended to be in an upright orientation when in use, a multiplicity of emitters (2) mounted on the elongate support (1) and being spaced apart therealong, and a multiplicity of detectors (3) mounted on the elongate support (1) and being spaced apart therealong. The emitters (2) and the detectors (3) are electrically connected to a processor to enable the latter to send signals to the emitters and receive signals from the detectors. According to a first aspect, there are at least two sets of such emitters (2) or at least two sets of such detectors (3) mounted on the elongate support (1). The sets are directed in different respective directions. According to a second aspect, each emitter (2) is capable of emitting radiation, and/or each detector (3) is capable of detecting radiation, selectively within a plurality of different ranges of frequencies without emitting/detecting radiation outside the selected range. Alternatively, emitting/detecting radiation outside the selected range only at a reduced level compared to the radiation emitted/detected within that range. Alternatively, different emitters (2) are capable of emitting radiation, and/or different detectors (3) are capable of detecting radiation, within different respective ranges of frequencies without emitting/detecting radiation outside those ranges, or emitting/detecting radiation outside those ranges only at a reduced level compared to the radiation emitted/detected within those ranges.
A depth gauge includes an upright elongate support (1) and several spaced emitters (2) and spaced detectors (3) mounted on the elongate support. The emitters (2) and detectors are electrically connected to a processor that sends signals to the emitters and receives signals from the detectors.
In a first aspect, at least two sets of emitters or at least two sets of detectors are mounted on the elongate support. The sets may be directed in different respective directions.
In a second aspect, each emitter may emit radiation, and/or each detector may detect radiation, selectively only within a selected range of frequencies, or emit/detect radiation outside the selected range only at a comparatively reduced level. Different emitters may emit radiation, and/or different detectors may detect radiation, only within different ranges of frequencies, or emit/detect radiation outside those ranges only at comparatively reduced levels.
A measurement device (10) comprising a sensing circuit {30) which is electrically floating and fully isolated. The sensing circuit (30) has a first (134 ) and a second (148) transformer across which is connected a measurement circuit (110). The device is so constructed that any signal generated in the coil (1.32) of the said first transformer (134) that is connected to the measurement circuit (110) caused by a change in any external magnetic field relative to the measurement circuit (110) is in anti-phase with the corresponding signal generated in the coil (164) of the said second transformer (148) that is connected to the measurement circuit (110).
G01F 23/04 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks
G01F 23/26 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
A telescopic arrangement (10) having a hollow cylinder (12) and a part (14) which is telescopically engaged with the cylinder. The arrangement is provided with at least one coil (22) constituting a first form of pulse-induction device, and at least one target (28) constituting a second form of pulse-induction device, to monitor the position of the said part (14) relative to the cylinder (12). A plurality of devices (22) each of one of the said first and second forms of device are positioned on the outside of the cylinder (12), at different respective positions therealong. At least one (28) of the other of the said first and second forms of device is fixed relative to the said part (14) of the arrangement (10) in a position such that it is moved over the said plurality of devices (22) in succession as the said part (14) is telescopically moved relative to the cylinder (12) of the arrangement (10).
G01D 5/20 - 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 electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
A pulse-induction displacement transducer comprising at least one coil component (100,150), at least one target (112,174), and pulse induction circuitry (102,152} constructed and arranged to cause a pulse of electrical current to pass through the said at least one coil component (100,150). The pulse ends abruptly. Subsequently, the electrical current passing through the said at least one coil component (100,150), or the voltage across it, is measured at a time when any electrical current through or voltage across the said at least one coil component (100, 150) would have died away in. the absence of a target. This provides an indication of the relative position between the target (112,174) and the said at least one coil component (100, 150). The said at least one coil component (100,150) comprises a first terminal portion (108,158), a first coil part (104,152) connected directly or indirectly to the said first terminal portion (108,158) and wound in one sense. The coil component (100,150) also comprises, in series with the said first coil part (104, 152), a second coil part (164) wound in the opposite sense. The said second coil part (106,164) is connected directly or indirectly to a second terminal portion (110, 168 ). The said pulse induction circuitry (102,152) is connected between the said first terminal portion (108,158) and the said second terminal portion (110,168).
G01D 5/20 - 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 electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
H03K 17/95 - Proximity switches using a magnetic detector
22.
A NUCLEAR MAGNETIC RESONANCE FLOWMETER AND A METHOD OF MEASURING FLOW USING NUCLEAR MAGNETIC RESONANCE
A nuclear magnetic resonance flowmeter comprising at least one coil (40) of electrically conductive material through which an electrical current flows when the apparatus is in use. This generates a magnetic field in a region through which flows a fluid the flow of which is to be measured and throughout which there is a uniform weak magnetic field such as the Earth's magnetic field. Electrical circuitry (46 to 52) is connected to the said at least one coil (40) to switch on and abruptly switch off such an electrical current. There is an NMR sensor (42) connected to the electrical circuitry (46 to 52) to provide a measure of the decay in the NMR signal from nuclei within such fluid following the abrupt switching off of such an electrical current. A processor (52) of the electrical circuitry (46 to 52) is formed and/or programmed to provide a measure of the flow of such fluid from the said measure of the decay. Also, a method of measuring the flow of a fluid using such a flowmeter.
G01R 33/563 - Image enhancement or correction, e.g. subtraction or averaging techniques of moving material, e.g. flow-contrast angiography
G01N 24/08 - Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
G01F 1/716 - Measuring the time taken to traverse a fixed distance using electron paramagnetic resonance [EPR] or nuclear magnetic resonance [NMR]
G01V 3/14 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with electron or nuclear magnetic resonance
G01R 33/44 - Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
An ultrasonic flowmeter comprising an elongate duct through which fluid flows when the flowmeter is in use. Ultrasonic transducers are arranged respectively to transmit and receive ultrasonic pulses propagated through such fluid when the flowmeter is in use. Electronic circuitry is connected to the transducers to provide a measure of the time delay between emission of an electronic pulse from one of the transducers and reception of the pulse by the other of the transducers. The circuitry is constructed to enable an output to be provided which is dependent upon that delay and which is indicative of the rate of flow of fluid through the duct. The transducers are located respectively at opposite ends of the duct and are arranged to transmit and receive ultrasonic pulses propagated through the fluid substantially parallel to the duct from one end thereof to the other. The transducers are provided with respective vibratory surfaces which transmit and/or receive ultrasound, which vibratory surfaces have a diameter which exceeds the cross-sectional diameter of the duct.
G01F 1/66 - 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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
