Abstract: 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.

Abstract: An alarm triggering device (200) for a security system (10), includes an interface (210) arranged so as to connect the alarm triggering device (200) to a central monitoring station (100) of the security system (10) via a wireless connection (50); elements (220) for triggering an alarm in the case of detection of a predetermined event; supply elements (230) for enabling the power supply of the alarm triggering system from a supply source; fault detection elements (240) for detecting an operating fault of the triggering device; and signaling elements (250) for signaling, to the alarm triggering device (200), the operating fault of the alarm triggering device (200).

Abstract: An alarm triggering device (200) for a security system (10), includes an interface (210) arranged so as to connect the alarm triggering device (200) to a device for managing the security system (100) via a wireless connection (50); triggering elements (220) for triggering an alarm in the case of a pre-determined event; elements for controlling the wireless connection (240) in order to check, during an alarm triggering device installation step, the quality of the wireless connection between the alarm triggering device and the management device; and signalling elements (250) for signaling, to the alarm triggering device, an indication of the quality of the wireless connection between the alarm triggering device and the management device during the alarm triggering device installation step.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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”.

Abstract: 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.

Abstract: 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.

Abstract: The method for checking loudspeakers comprises the steps of emitting a pulse over an electrical connection with the loudspeaker; measuring the electrical resistance over the connection; determining the state of the loudspeaker according to the measured resistance; and triggering a corrective action depending on the determined state of the loudspeaker. The claimed method further comprises the steps of associating a plurality of amplification systems to different subsets of the plurality of loudspeakers; assigning different signals to be emitted by different loudspeakers for each of a plurality of control signals; and storing parameters representing the signals to be emitted in each amplification system. When a control signal common to the different amplification systems is received, the amplification systems cause the loudspeakers to emit the different signals and the corrective action comprises memorizing the parameters representing the status of the loudspeaker.

Abstract: The smoke detector comprises a housing provided with one or more openings for the passage of smoke particles into an interior of the housing. A first electrode and a second electrode are disposed in the interior of the housing and generate an electric field by application of an electrical potential therebetween. A detection chamber is defined between the first electrode and the second electrode, the detection chamber comprising an ionization zone for the generation of charged particles by ionization of air in the vicinity of the second electrode and a drift zone for the movement of charged particles towards the first electrode. A measurement device measures an electrical parameter representative of the electrical current generated between the first electrode and the second electrode by the charged particles.

Abstract: The detection device comprises a sensor, a power supply, an alarm and an acousto-electric transducer. The activated acousto-electric transducer receives an acoustic signal and emits an electrical signal representative of the acoustic signal. The detection device further comprises a means of recognizing a predefined acoustic signal according to the electrical signal emitted by the transducer and triggering an emission of a message by the alarm when the predefined acoustic signal is recognized. The acoustic-electric transducer is only activated at regular intervals. Preferably, the transducer also serves an alarm to emit the message when the predefined acoustic signal is recognized.

Abstract: A device for detecting the presence of an automatic defibrillator. The device comprises a detector, a communications device and an activation device. The detector detects the presence of an automatic defibrillator in its operation position and to defibrillator relating to the automatic defibrillator. The communications device is configured to transmit he e data of the automatic defibrillator to a management device. The activation device is configured to activate at least one of the communication device and the detector in response to a pre-determined event.

Abstract: 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.

Abstract: A fire extinguishing device for a security system comprises an extinguisher mount, an interface, a power supply, a working condition verifier, a signaling device. The extinguisher mount configured to support an extinguisher for putting out a fire. The interface configured to connect the fire extinguishing device to a security system control unit over a wireless connection. A power supply for supplying power to the fire extinguishing device. The working condition verifier for detecting an operating fault of the fire extinguishing device. The signaling device for signaling the operating fault of the fire extinguishing device at the location of the fire extinguishing device.

Abstract: An alarm triggering device (200) for a security system (10), includes an interface (210) arranged so as to connect the alarm triggering device (200) to a central monitoring station (100) of the security system (10) via a wireless connection (50); elements (220) for triggering an alarm in the case of detection of a pre-determined event; supply elements (230) for enabling the power supply of the alarm triggering system from a supply source; fault detection elements (240) for detecting an operating fault of the triggering device; and signaling elements (250) for signaling, to the alarm triggering device (200), the operating fault of the alarm triggering device (200).

Abstract: An alarm triggering device (200) for a security system (10), includes an interface (210) arranged so as to connect the alarm triggering device (200) to a device for managing the security system (100) via a wireless connection (50); triggering elements (220) for triggering an alarm in the case of a pre-determined event; elements for controlling the wireless connection (240) in order to check, during an alarm triggering device installation step, the quality of the wireless connection between the alarm triggering device and the management device; and signalling elements (250) for signaling, to the alarm triggering device, an indication of the quality of the wireless connection between the alarm triggering device and the management device during the alarm triggering device installation step.

Abstract: 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.

Abstract: 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.

Abstract: 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.