The method (400) for wireless communication between at least one energy-autonomous risk detection terminal and a unit communicating with each terminal includes, iteratively: - a step (405) of transmission of a synchronization signal by the communicating unit, - a primary step (410) of waking the terminal, - a step (411) of reception of the synchronization signal by the terminal, - a step (415) of synchronization, by the terminal, of a clock and of an oscillation frequency of a temperature compensation-free quartz resonator of said terminal with the received signal, - a primary step (420) of placing the terminal in standby, - a secondary step (425) of waking the terminal, - a step (430) of wireless sending, by the terminal, of a message to the communicating unit, and - a secondary step (435) of placing the terminal in standby.
The detector (100) of smoke, gas or particles includes: a detection chamber (110) connected to a sucking device (105) and to an aperture allowing the passage of a flow of air and of particles or of gas; a means for segregating particles passing through the aperture and/or retaining particles in the chamber; a detector (115) of the presence of smoke, gas or particles in the detection chamber; and an emitter (120) of a signal representative of the detection of smoke, gas or particles in the detection chamber.
The method (1000) of pairing, according to the Bluetooth Low Energy standard, a communicating device and a terminal to one another, comprises: -a step (1005) of sending, by the terminal, of a request for pairing with the communicating device, -a step (1010) of sending, by the communicating device, of a pairing code request, -a step (1015) of capture, by the communicating device, of an information item representative of the pairing code and contained in a third-party device, different from the communicating device and from the terminal and -a step (1020) of sending, by the communicating device, of a signal of confirmation of pairing with the terminal, to the terminal.
The device (10) for mapping temperature, humidity, brightness, air quality and/or presence of a third party in a premises, comprises: - a plurality of sensors (110) for sensing temperature, humidity, brightness, air quality and/or presence of a third party and - an alarm centre (115) of a fire detection system, connected to each sensor, comprising: - a memory (120) for storing a piece of information representative of the positioning of each sensor on a predefined plan of the premises, - a means (125) for associating each piece of sensor positioning information with a value representative of a temperature, humidity, brightness, air quality and/or presence of a third party sensed by the sensor associated with said positioning and - a means (130, 135) for providing a signal representative of at least one association made by the association means so as to map the temperature, humidity, brightness, air quality and/or presence of a third party in the premises.
The device (10) for determining the position of an opening leaf (205) of a system (20) for extracting smoke from a premises, this system comprising: an actuator (210) applying a force to the opening leaf in order to open this opening leaf when this opening leaf is in the closed position, - a cable (215) connecting the opening leaf to a winch (220) positioned inside a housing (225), the winding of the cable on the winch causing the opening leaf to close and a means (230) for turning the winch in order to wind or unwind the cable, the device being characterized in that it comprises: - a sensor (105) of a value of a physical parameter indicative of the movement of the cable, - a detector (1 10) of the position of the opening leaf as a function of the sensed value and a means (115) of securing, outside of the housing, of the device.
G01B 21/06 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
The invention relates to a device (10) for detecting the position of a door or window connected to a piston of a pneumatic cylinder of a security system, characterised in that it includes: a sensor (110) of a value of a physical magnitude that is representative of a thermodynamic state in a hollow pipe connecting a chamber of the cylinder to a gas cartridge for supplying the gas chamber; a detector (115) of the position of the door or window in accordance with the sensed value; and a means (105) for attaching the device near the pipe or the door or window.
The optical detector of a value of an atmospheric physical quantity representative of a danger includes: - a measurement chamber accessible to the atmosphere; - an electronics compartment for receiving electronics for detecting the value of the atmospheric physical quantity representative of a danger, the detecting electronics including electronic elements comprising at least: - a light emitter, - a light receiver that is sensitive to at least some of the wavelengths of the light rays emitted by the emitter, and - electronics for processing detection signals, the detector in addition including: - a first light guide facing the emitter in order to direct the light emitted by the emitter from the electronics compartment to a detecting zone in the measurement chamber; and - a second light guide facing the receiver in order to direct light originating from said detecting zone to the electronics compartment in order to be received by the receiver, the amount of light received by the receiver being representative of the presence/absence in the detecting zone of said physical-quantity value representative of a danger. The electronics compartment is separated from the measurement chamber, and isolates all of the electronic elements that it contains from the atmosphere and the light guides are arranged to penetrate the electronics compartment in a way that is seal-tight to the atmosphere.
The invention relates to an optical lens (40) for diffusing light intended for lighting a space, which includes: a so-called rear surface, having slots (31) for light sources; and, opposite each slot, at least one oblique surface (26) for reflecting towards the plane of the rear surface a first portion (35, 36) of the visible light rays coming from the slot, and for allowing a second portion (34) of the visible light rays from the slot to pass through same.
The invention relates to an optical lens (10) for diffusing light, having a rear surface (23) intended for being contiguous to a wall (18) and a front surface intended for illuminating a place. The lens is symmetrical relative to a plane and comprises: a portion (20) having a concave rear surface (21) and a convex front surface (27), referred to as upper portion; and a portion (22) having a planar or convex rear surface (28) and a convex front surface (26), referred to as lower portion. In certain embodiments, a line of coplanar points of the concave rear surface (21) in which the planes tangential to the concave rear surface cut the plane of symmetry according to mutually parallel axes is offset on the side of the upper portion, relative to a line of coplanar points of the convex front surface (26, 27) wherein the planes tangential to the convex front surface cut the plane of symmetry according to mutually parallel axes.
The housing (10) for a risk and/or presence detector to be attached to a support part (20) attached to a wall (30), comprises: - at least one deformable link (215) linking the housing to the support part, - a sensor (115) for sensing a value of a physical quantity in the vicinity, - a detector (120) for detecting a risk and/or presence configured to detect a risk and/or a presence depending on the sensed value, - a transmitter (125) that transmits a signal when a risk and/or a presence is detected and - at least one switch (130), positioned such that a movement of the housing relative to the support part changes the state of the switch to deactivate the transmission of the signal.
The invention relates to a support part (10) for supporting a device, which includes: a base (105) including: an opening (115) surrounded by flexible fins (120), on one surface of the base, in order to absorb an impact applied to a nail (135) passing through the opening; on a surface opposite the surface covered with flexible parts, at least one gripping raised pattern; and an attachment means (110) to which the device can be secured. The support part preferably includes, in addition, a washer (125) for distributing the force applied, by the head of the nail to the flexible parts, on a portion of the base. (Figure 1)
A light-emitting device to detect passage or smoke in the emitted beam. The device includes a source of invisible radiation, a source of visible laser radiation, an alignment component to align the central axis of the visible radiation with an axis parallel to the central axis of the invisible radiation, and a switch to turn off the visible laser source. The device can further include a housing containing both sources of radiation. The switch is configured to be controlled by the closing of the housing and the source of visible laser radiation is turned off in response to the closure of the housing.
G08B 17/103 - Actuation by presence of smoke or gases using a light emitting and receiving device
G01B 11/27 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes for testing the alignment of axes
G08B 13/183 - Actuation by interference with heat, light, or radiation of shorter wavelengthActuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
G02B 27/62 - Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
The invention relates to a device (50) for detecting fire or gas leakage, comprising: a sensor (510) for detecting a value of a physical variable representing the presence of a fire or a gas leak, a detector (515) for detecting a fire or a gas leak according to the value detected and a threshold value, and a presence detector (505), the threshold value varying according to the detection of a presence by the presence detector.
A smoke detector includes a drift chamber and an ionization chamber formed by a first electrode and a second electrode. Electric charges are generated by ionization of the air. The drift chamber separated from the ionization chamber by the second electrode. The smoke particles penetrates from the environment to a detector inside the drift chamber. The electrical potential of first electrode exceeds a critical electric potential value for generating a corona discharge in the vicinity of the first electrode. The second electrode has openings for the electric charges generated in the ionization chamber to move to the drift chamber. The electric potential of the second electrode allows the electric charges in the drift chamber to move from the second electrode to the third electrode. The electric field between the second and third electrodes is at least 100 times weaker than the electric field between the first and second electrodes.
The invention relates to a device (10) for ventilating a room which comprises: an actuator (105) configured such as to open a door or window (110) of the room; a means (115) for peering with an alarm system; a means (120) for controlling the actuator configured such as to control the opening or the closing of the door or window in accordance with a received signal; a means (125) for wireless communication with the alarm system configured such as to receive a smoke discharge signal; and a means (130) for storing electric energy, charged by an electric power supply (135), configured to power the actuator during the opening of the door or window following the receipt of a smoke discharge signal.
G08B 25/10 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
G08B 29/18 - Prevention or correction of operating errors
G08B 29/22 - Provisions facilitating manual calibration, e.g. input or output provisions for testingHolding of intermittent values to permit measurement
The method (10) of notification of the state of charge of an autonomous electrical power supply source which comprises: a step (11) of detecting a state of charge of the autonomous power supply source of a device, a step (12) of determining a command for transmission, by the device, of a sound signal representative of a communication request triggered remotely by a third party, and a step (13) of modulating at least a part of the sound signal signalling this communication request as a function of the state of the autonomous power supply source.
The method (1500) for deploying a link between at least one security system and an alarm centre comprises: - a step (1505) of fixing each security system in position, - iteratively: - a step (1510) of bringing a mobile matching means, retaining a frequency spreading key and comprising a short range wireless signal transmission means, having a transmission range less than or equal to the communication range of a wireless local network, close to a fixed security system and - a step (1515) of transmitting the frequency spreading key to the security system via short range wireless signals, - a step (1520) of fixing the alarm centre in position at a distance from at least one security system that is greater than the transmission distance of the short range wireless signal transmission means and - a step (1525) of communicating a security message between a communication means of at least one security system and the alarm centre, implementing spectrum spreading depending on the spreading key.
G08B 17/10 - Actuation by presence of smoke or gases
G08B 25/10 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
G08B 25/00 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
The invention relates to a light-emitting device (10) for detecting passage or smoke in the emitted beam, which comprises: a source (110) of invisible radiation, a source (115) of visible laser radiation, a means (155, 160) for aligning the central axis of the visible radiation with an axis parallel to the central axis of the invisible radiation, and a switch (140) for turning off the visible laser source. In certain embodiments of the invention, the device comprises a housing containing both sources of radiation, the switch being controlled by the closing of the housing and controlling the turning off of the source of visible laser radiation when the housing is closed.
G08B 13/183 - Actuation by interference with heat, light, or radiation of shorter wavelengthActuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
G01B 11/27 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes for testing the alignment of axes
G08B 17/103 - Actuation by presence of smoke or gases using a light emitting and receiving device
The invention relates to a device (10, 20) for configuring a fire-detection system, which comprises at least one detector (105, 205), each detector comprising a sensor (110, 210) for measuring the value of a physical magnitude near the sensor such as to transmit a signal that is representative of said value, and a means (230) for detecting the presence of a fire based on the processing of the signal transmitted by the sensor. The device is characterised in that it also comprises at least one means (115, 215) for short-range wireless communication of a signal that is representative of the presence of a fire, and a portable communicating terminal (120, 220) including: a means (305) for receiving the signal communicated by the communication means; a screen (125, 225, 310, 315) for displaying a message representative of the signal received from the communication means; a means (240) for configuring at least one parameter value for the processing performed by at least one means for detecting the presence of a fire; and a means (235) for wirelessly transmitting a signal representative of each parameter value configured by the configuration means, the communication means being configured to receive the signal representative of each parameter value configured by the configuration means.
An extinguisher identifying device. The device comprises an extinguisher identifying device and an activation device, and a communications module. The extinguisher identifying device reads an identifying element on an extinguisher to obtain identifying data of the extinguisher. The activation device is configured to activate the extinguisher identifying device in response to a predetermined event. The communications module is configured to transmit the extinguisher identifying data to a management device.
INSTITUT POUR LE DÉVELOPPEMENT DE LA SCIENCE, L'ÉDUCATION ET LA TECHNOLOGIE (IDSET) (France)
Inventor
Hole, Stéphane
Mokhtari, Zohreh
Lewiner, Jacques
Abstract
The invention relates to a smoke detector comprising: an ionisation chamber (20; 220), formed by a first electrode (11; 211) and a second electrode (12; 212), wherein electric charges can be generated by ionisation of the air; and a drift chamber (30; 230) different from the ionisation chamber (20; 220) and separated from the ionisation chamber (20; 220) by the second electrode (12; 212), the drift chamber (30; 230) being formed by the second electrode (12; 212) and a third electrode (13; 213) and allowing the penetration of the smoke particles from the environment of the detector inside the drift chamber (30; 230); the first electrode (11; 211) being able to be brought to an electrical potential in relation to the second electrode (12; 212), exceeding a critical electric potential value for generating, in the vicinity of the first electrode (11; 211), a corona discharge wherein the discharges ionising the air in the ionisation chamber (20; 220) are generated; the second electrode (12; 212) being provided with openings allowing the passage of the electric charges generated in the ionisation chamber from the ionisation chamber (20; 220) to the drift chamber (30; 230); the second electrode (12; 212) being able to be brought to an electric potential in relation to the third electrode (13; 213), allowing the electric charges that have entered the drift chamber (30; 230) to move from the second electrode (12; 212) to the third electrode (13; 213), the electric field created between the second electrode (12; 212) and the third electrode (13; 213) being at least 100 times weaker than the electric field created between the first electrode (11; 211) and the second electrode (12; 212); the detector also comprising a measuring device (55; 55R, 55M, 60) for measuring an electric variable representing the speed of movement of the electric charges between the second electrode (12; 212) and the third electrode (13; 213) in order to trigger an alarm when said electric variable is subjected to an abnormal variation.
The smoke detector includes: a chamber (1) provided with apertures (3) allowing the smoke to enter a detection area (D), a light source (S) configured to emit towards the detection area (D), and a light receiver (R) configured so as to receive the light coming from the detection area (D). A concentration element (6, 7) is provided so as to create a non-uniform electric field in the detection area (D), that, in the presence of smoke, can polarize smoke particles entering the detection area (D). The non-uniform electric field has a spatial gradient configured to exert a dielectrophoretic force on the smoke particles so as to drive the polarized smoke particles into a concentration zone (C) in the detection area (D) and to aggregate them together to form quasi “big particles”.
The detection device comprises an electrical power reserve, a voltage regulator configured to regulate the voltage supplied by the electrical power reserve, at least one capacitor charged by the voltage regulator, a detection circuit powered by the capacitor and a switch. The switch is configured to deactivate the regulator when the capacitor's charge is greater than a predefined value, such that the detection circuit is then only supplied with electricity by each said capacitor. The switch can be configured to open the circuit comprising the power reserve upstream of the regulator, and the switch comprises a means of comparing the electrical charge of each capacitor with a predefined value and/or the switch comprises a transistor.
The optical scattering-based smoke detector comprises a scattering zone accessible to the smoke, a printed circuit forming a supporting member and a first and second light reflectors mounted on a common supporting member. An electronic smoke detection unit, a light emitter and a light receiver are mounted on the printed circuit. The receiver is sensitive to at least some of the wavelengths of the light rays emitted by the emitter. The first light reflector facing the emitter to direct the emitted light into a detection zone in the scattering zone. The second light reflector facing the receiver to direct, in the presence of smoke in the scattering zone, the scattered light from the detection zone onto the receiver. A single mechanical part comprises the first and second light reflectors and a link resistant to the passage of the light from the first light reflector to the second light reflector.
The invention relates to a fire extinguishing device for a security system, said fire extinguishing device comprising: an extinguisher support arranged in such a way as to support an extinguisher for putting out a fire; an interface arranged in such a way as to connect the fire extinguishing device to a management device of the security system by means of at least one wireless connection; supply means for enabling the power supply of the fire extinguishing device from a supply source; communication control means for detecting the absence of communication with the management device over a pre-determined period of time; and signalling means for automatically signalling said absence of communication on the fire extinguishing device.
The invention relates to a device for detecting the presence of an automatic defibrillator, said device comprising: means for detecting the presence of an automatic defibrillator (281; 581) at the station of use thereof and for obtaining defibrillator data relating to the automatic defibrillator (260); communication means (283) suitable for transmitting the data of the automatic defibrillator to a management device; and activation means (282) suitable for activating at least one of the communication means and the detection means (281) in response to a pre-determined event.
An extinguisher identifying device, the device comprising extinguisher identifying means (281) making it possible to read an identifying element (266) on an extinguisher (260) so as to obtain identifying data for the extinguisher (260); activation means (282) able to activate the identifying means in response to a predetermined event; and communication means (283) able to transmit the extinguisher identifying data to a management device.
The invention relates to an alarm triggering device (200) for a security system (10), said alarm triggering device (200) comprising an interface (210) arranged so as to connect the alarm triggering device (200) to a central monitoring station (100) of the security system (10) by means of a wireless connection (50); means (220) for triggering an alarm in the case of detection of a pre-determined event; supply means (230) for enabling the power supply of the alarm triggering system from a supply source; defect detection means (240) for detecting an operating defect of the triggering device; and signaling means (250) for signaling, to the alarm triggering device (200), the operating defect of the alarm triggering device (200).
G08B 25/10 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
The invention relates to an alarm triggering device for a security system, said alarm triggering device comprising an interface arranged so as to connect the alarm triggering device to a device for managing the security system by means of a wireless connection; triggering means for triggering an alarm in the case of a pre-determined event; supply means for enabling the power supply of the alarm triggering system from a supply source; communication control means for detecting the absence of communication with the management device over a pre-determined period of time; and signaling means for automatically signaling said absence of communication to the alarm triggering device.
G08B 25/10 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
G08B 29/06 - Monitoring of the line circuits, e.g. signalling of line faults
30.
ALARM TRIGGERING DEVICE FOR A SECURITY SYSTEM AND METHOD FOR INSTALLING AN ALARM TRIGGERING DEVICE
The invention relates to an alarm triggering device (200) for a security system (10), said alarm triggering device (200) comprising an interface (210) arranged so as to connect the alarm triggering device (200) to a device for managing the security system (100) by means of a wireless connection (50); triggering means (220) for triggering an alarm in the case of a pre-determined event; means for controlling the wireless connection (240) in order to check, during an alarm triggering device installation step, the quality of the wireless connection between said alarm triggering device and the management device; and signalling means (250) for signaling, to the alarm triggering device, an indication of the quality of the wireless connection between said alarm triggering device and the management device during the alarm triggering device installation step.
G08B 25/10 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
G08B 29/06 - Monitoring of the line circuits, e.g. signalling of line faults
The smoke detector comprises: a chamber (1) provided with apertures (3) allowing the smoke to enter a detection zone (D), a light source (S) able to emit towards the detection zone (D), and a light receiver (R) arranged so as to receive the light coming from the detection zone (D). Concentration means (6, 7) are provided so as to create a non‑homogeneous electric field in the detection zone (D), that, in the presence of smoke, can polarize smoke particles entering the detection zone (D). The non‑homogeneous electric field has a spatial gradient able to exert a dielectrophoretic force on the smoke particles so as to entrain the polarized smoke particles into a concentration zone (C) in the detection zone (D) and to aggregate them together to form quasi "big particles".
The present invention relates to a connector with a blade comprising a housing. The housing comprises a lateral opening designed to receive an electric wire, a flexible blade and an opening opposite a free part of the blade. The flexible blade is designed to make contact with the electric wire and to retain the wire by applying pressure on it towards a wall of the housing. The opening has a shape designed to guide the head of a tool and make the head of the tool follow a helical motion. The opening may be threaded and cylindrical and the opening's thread may comprise only one helical groove formed in the wall of the opening.
The optical scattering-based smoke detector comprises: a scattering zone accessible to the smoke; a printed circuit (110) forming a supporting member and on which an electronic smoke detection unit is mounted; a light emitter (115) mounted on said printed circuit; a light receiver (120), sensitive for at least some of the wavelengths of the light rays emitted by the emitter and mounted on said printed circuit; a first light reflector facing the emitter so as to direct the light emitted by the emitter into a detection zone in the scattering zone; and a second light reflector facing the receiver so as to direct, in the presence of smoke in the scattering zone, the scattered light coming from said detection zone onto the receiver, in which the first and second light reflectors are mounted on a common supporting member. A single mechanical part comprises the first and second light reflectors and a link (175) resistant to the passage of the light from the first light reflector to the second light reflector.
The invention relates to a detection device (105), comprising: an electric power supply (110); a voltage regulator (115) suitable for regulating the voltage supplied by the electric power supply (110); at least one capacitor (120) charged by the voltage regulator; a detection circuit (125) powered by the capacitor (120); and a switch (130) suitable for deactivating the regulator (115) when the charge of the capacitor is greater than a predetermined value, such that the detection circuit is then powered exclusively by (each of) said capacitor(s) (120). In certain embodiments of the invention, the switch (130) is capable of opening the circuit that comprises the power supply (110) upstream from the regulator (115), the switch (130) comprises a means for comparing the electrical charge of (each of) said capacitor(s) (120) with said predetermined value, and/or the switch (130) comprises a transistor.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
45 - Legal and security services; personal services for individuals.
Goods & Services
Smoke detection apparatus; self-contained smoke detection
apparatus; carbon monoxide detection apparatus; apparatus
for fire detection; water detection apparatus; apparatus and
instruments for security of goods and persons, namely for
use in securing buildings, detecting, qualification
(certification), transmitting and centralisation of alarms,
actuating of alerts and conducting of protection measures;
computer software, computer peripheral devices for the
aforesaid goods. Ventilation and smoke evacuation apparatus; smoke removal
apparatus. Remote surveillance services for the apparatus mentioned in
classes 09 and 11.
The method of loudspeaker control comprises: a step (215) of emitting a pulse on an electrical link with the loudspeaker, a step (220) of measuring the electrical resistance on said link, a step (225) of determining the state of the loudspeaker as a function of said resistance and a step (230, 235) of triggering a corrective action, as a function of the state thus determined of the loudspeaker. In embodiments, the method comprises, furthermore: a step of associating a plurality of amplification systems with various subsets of the plurality of loudspeakers, a step of assigning different signals to be emitted by various loudspeakers for each of a plurality of control signals, a step of storing parameters representative of said signals to be emitted, in each amplification system on receipt of a control signal common to the various amplification systems, the amplification systems bringing about the emission of the different signals to said loudspeakers, said corrective action comprising a storage of parameters representative of the state of said loudspeaker.
G08B 3/10 - Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission
The invention relates to a detection device (105) comprising a sensor (110), a power supply (140) and an annunciator (120), which comprises: an acoustoelectric transducer (135, 145) designed, when active, to receive an acoustic signal and transmit an electrical signal representative of the acoustic signal and a means (130) for recognizing a predetermined acoustic signal on the basis of the electrical signal transmitted by said transducer and triggering the sending of a message by said annunciator when said predetermined signal is recognized, the acoustoelectric transducer being activated only at regular time intervals. In some embodiments, the annunciator is an electroacoustic transducer and is merged with the acoustoelectric transducer.
The invention relates to a connector (100) with a blade (110) that comprises a housing (105), comprising: a side opening (155) for receiving an electric wire (115); a flexible blade (110) for contacting said electric wire and for retaining same by applying a pressure thereto toward a wall (125) of said housing; and an opening (130) opposite a free portion of said blade, said opening having a shape for guiding the head of a tool (140) to follow a helical movement. In some embodiments, the opening (130) is threaded and cylindrical, and the thread of said opening includes a single helical groove (135) formed in the wall of said opening.
The device for securing a casing (115) for ensuring the presence of a battery (135) when the casing is closed comprises: a base (110) provided with at least one flexible plate (150) which can move between a rest position in which the flexible plate projects beyond a surface of said base and a constrained position in which the flexible plate does not project beyond said surface; and a part (125) comprising a battery housing (130) and a means (145) for fastening said part to said base, said fastening means imposing on said battery housing that it pass opposite said flexible plate. Preferably, the base (110) is a moulded part which integrates at least one movable flexible plate (150), and at least one flexible plate has, in its rest position, a shape curved towards the base. In some embodiments, the part (125) turns on the base (110) so that the fastening means (145) renders the part solidly attached to the base and at least one flexible plate (150) is oriented tangentially with respect to a circle whose centre is the centre of rotation of the part on the base.
09 - Scientific and electric apparatus and instruments
Goods & Services
Matériels électroniques de mesure, de détection ou de
localisation d'un danger tel que la fumée, le feu, les
orages, l'intrusion, et appareils électriques et
électroniques de protection contre un danger, destinés à
assurer la protection des personnes et des biens,
instruments de mesure des charges, champs et potentiels
électriques, instruments scientifiques, appareils
électriques et électroniques pour le contrôle, la
surveillance et la détection des dangers, appareils
électriques et électroniques d'alarme, appareils électriques
et électroniques de télésurveillance et de vidéo
surveillance, appareils électriques et électroniques pour
l'ouverture et la fermeture des portes et pour le contrôle
d'accès à des bâtiments, appareils de transmission de
données destinés aux milieux industriels, aux bâtiments et
aux biens immobiliers.
