Abstract: Electronic module comprising a protective casing defining an internal volume and an electronic board placed in the internal volume, the electronic module comprising: means, for detecting a predetermined environmental condition of the internal volume, means for generating a cool zone inside the internal volume, which means are arranged such that the cool zone is separated from the electronic board; a control unit that is linked to the means for detecting an environmental condition and to the means for generating a cool zone and arranged to trigger the means for generating a cool zone when the means for detecting a predetermined environmental condition in the internal volume detect an environmental condition that is liable to result in the moisture in the air contained in the internal volume condensing on the electronic board.

Abstract: An electrical connector pin comprising a link segment for linking to the connector and an end segment that is free, the end segment having a cross-section that presents at least one curved portion curved about an axis parallel to a longitudinal direction of the end segment and the end segment having side edges forming electrical contact portions that can be moved towards each other causing the curved portion to deform elastically.

Abstract: A flux gate current sensor includes a magnetic core, a measurement winding, an excitation circuit arranged to generate a digital excitation signal, an acquisition circuit arranged to acquire an analog measurement voltage from the terminals of the measurement winding and to produce a digital measurement signal, a demagnetization servocontrol circuit arranged to use the digital measurement signal to produce a digital demagnetization signal for compensating magnetic flux produced by the current that is to be measured, a summing circuit arranged to sum the digital excitation signal and the digital demagnetization signal so as to obtain a digital injection signal, and an injection circuit arranged to produce an analog excitation current from the digital injection signal and to inject the analog excitation current into the measurement winding.

Abstract: A measurement transformer includes a printed circuit and a magnetic core. The printed circuit includes an insulating layer, a primary through assembly and a secondary through assembly. The primary through assembly includes first primary plated through holes and second primary plated through holes extending through the insulating layer. The primary through assembly forms a portion of a primary winding of the transformer. The primary winding has a single turn. The secondary through assembly includes first secondary plated through holes and second secondary plated through holes extending through the insulating layer. The secondary through assembly forms a portion of a secondary winding of the transformer. The secondary winding includes a plurality of turns connected in series. The magnetic core extends in the thickness of the printed circuit.

Abstract: An electrical connector pin having a link segment for linking to the connector and an end segment that is free, the end segment having a cross-section that is flat and being provided with a slot passing through the end segment in its thickness direction and extending over a length of the free end segment to form two mutually parallel blades, each having a first edge that is straight beside the slot and a second edge extending remotely from the slot and that is provided with a contact portion projecting laterally relative to an outside surface of the link segment, the blades being elastically deformable transversely so as to vary the width of the slot. A connector and an electronic device including such a pin.

Abstract: A switching circuit comprising a transistor and a drive component both for controlling the transistor and also for limiting the power supply current supplied to a load, the drive component being arranged both to receive a control voltage and also: when the control voltage is a disconnection signal, to generate a drive voltage that causes the transistor to occupy a non-conductive state; when the control voltage is a connection signal and the power supply current cannot reach a predefined current threshold, to generate a drive voltage that causes the transistor to occupy saturated conditions; and when the control voltage is a connection signal and the power supply current can reach a predefined current threshold, to generate a drive voltage that causes the transistor to occupy linear conditions, such that the power supply current is regulated so that it does not exceed the predefined current threshold.

Abstract: The invention relates to a pressure measurement device (1) comprising: a pressure sensor (3) for securing to an element having a pressure that is to be measured; and a stationary portion (5) facing a path of the sensor so as to be in resonant high frequency AC electrical relationship with the sensor in order to power the sensor and in order to receive measurements acquired by the sensor. The invention also relates to a measurement system including such a measurement device.

Abstract: A method for controlling the functioning of a complex electronic component transferring data frames to physical ports, the method inserts, in each data frame to be transferred by the complex electronic component, a first signature determined at least from the source address included in the data frame and from an identifier of the physical port by means of which the data frame is transferred, and transfers the data frame in which the signature has been inserted, and a routing protection device associated with the physical port receives the data frame in which the signature was inserted, determines, from the identifier of the physical port and the source address, a second signature, compares the signatures, and performs a first operation if the first and second signatures are different and a second operation if the first and second signatures are identical.

Abstract: A system comprising a rack and at least one line replaceable module, the rack further comprising a primary transmission circuit comprising a primary antenna, primary emission components designed to generate an emitted power containing uplink data, and primary receiving components designed to receive downlink data, the line replaceable module comprising a secondary transmission circuit comprising a secondary antenna, secondary receiving components designed to receive the emitted power and the uplink data, and secondary emission components designed to generate the downlink data, the emitted power, the uplink data and the downlink data being transmitted via a shared coupling between the primary antenna and the secondary antenna.

Abstract: A printed circuit includes a first track, a second track, and at least one insulating layer extending between the first track and the second track. The printed circuit further includes a first through assembly of at least one first plated through hole and a second through assembly of at least one second plated through hole. Each first plated through hole and each second plated through hole connect together the first track and the second track by extending through the insulating layer. The first through assembly and the second through assembly respectively form a first branch and a second branch of a current divider bridge.

Abstract: A fluxgate current sensor comprising an excitation coil (13), an excitation module (20) for generating an excitation voltage (Ve), a measurement coil (14) conveying an induced measurement current (Iim), and a measurement synchronous demodulator (12) for the purpose of multiplying the induced measurement current by a demodulation signal of frequency 2f0 in order to obtain an image voltage that is the image of the current for measuring. The excitation voltage (Ve) is obtained from a first voltage of frequency f0 and from a second voltage of frequency 3f0, the fluxgate current sensor further includes a servo-control coil (15) conveying an induced servo-control current, and a servo-control synchronous demodulator (30) for the purpose of multiplying the induced servo-control current by a demodulation signal of frequency 3f0.

Abstract: A method for controlling the functioning of a complex electronic component transferring data frames to physical ports, the method inserts, in each data frame to be transferred by the complex electronic component, a first signature determined at least from the source address included in the data frame and from an identifier of the physical port by means of which the data frame is transferred, and transfers the data frame in which the signature has been inserted, and a routing protection device associated with the physical port receives the data frame in which the signature was inserted, determines, from the identifier of the physical port and the source address, a second signature, compares the signatures, and performs a first operation if the first and second signatures are different and a second operation if the first and second signatures are identical.

Abstract: A switching circuit comprising a transistor and a drive component both for controlling the transistor and also for limiting the power supply current supplied to a load, the drive component being arranged both to receive a control voltage and also: when the control voltage is a disconnection signal, to generate a drive voltage that causes the transistor to occupy a non-conductive state; when the control voltage is a connection signal and the power supply current cannot reach a predefined current threshold, to generate a drive voltage that causes the transistor to occupy saturated conditions; and when the control voltage is a connection signal and the power supply current can reach a predefined current threshold, to generate a drive voltage that causes the transistor to occupy linear conditions, such that the power supply current is regulated so that it does not exceed the predefined current threshold.

Abstract: A control device for controlling an electric motor, the device comprising an inverter and a control module implementing a current servo-control loop for the electric motor; an excitation module producing an excitation signal; a synchro-transmitter comprising two coupling windings, an excitation winding constrained to rotate with a rotor of the electric motor, and three measurement windings, the excitation signal being applied to the excitation winding via the two coupling windings; three first synchronous demodulators, each connected to a respective one of the three measurement windings of the synchro-transmitter and to the excitation signal I, and each generating a current setpoint for the current servo-control loop for use by the control module; and three other synchronous demodulators, each connected to a respective one of the three measurement windings of the synchro-transmitter and to the excitation signal Q, and generating a signal providing information about the angular speed of the rotor of the motor

Abstract: An electronic unit comprising a box defining a reception compartment for receiving an electronic module along two mutually opposite directions of an insertion axis, the compartment including electrical power supply means for powering the electronic module and connection means for connecting the electronic unit to the electronic module, these means extending onto a connection face forming part of the reception compartment and extending parallel to the insertion axis. An electronic module for mounting in a compartment of an electronic unit of the invention.

Abstract: A device for cooling an electronic module placed in an avionics rack of an aircraft comprising a ventilated cabin, the cooling device comprising: a closed circuit for circulating a heat-transfer fluid; first means for circulating the heat-transfer fluid in the closed circuit; a first heat exchanger comprising a cold circuit which is provided with first means for connecting to the closed circuit for circulating a heat-transfer fluid and which is thermally connected to a hot source of the avionics rack; a second heat exchanger comprising a hot circuit provided with second means for connecting to the closed circuit for circulating a heat-transfer fluid and a cold circuit thermally connected to an air exhaust from the ventilated cabin. An avionics rack and an aircraft comprising such a rack.

Abstract: A printed circuit board including at least one blind metal-plated hole, for receiving a pin of the printed circuit board being covered by a first layer of a protective film on which there extends a second layer of electrically insulating flexible material, the first layer and second layer are for piercing by the pins when they are engaged in the metal-plated holes, the first and second layers being for claming between a support of the pins and the printed circuit board. An electronic unit including such a device. A method of fabricating a printed circuit card for such a device.

Abstract: A cooling module including a first air inlet, a second air inlet, and an air discharge vent, the module having two check valves, each mounted in register with a respective inlet and arranged to allow air to pass towards the inside of the module and to oppose a flow of air in the opposite direction. An electronic unit including such a box.

Abstract: A system comprising a rack and at least one line replaceable module, the rack further comprising a primary transmission circuit comprising a primary antenna, primary emission components designed to generate an emitted power containing uplink data, and primary receiving components designed to receive downlink data, the line replaceable module comprising a secondary transmission circuit comprising a secondary antenna, secondary receiving components designed to receive the emitted power and the uplink data, and secondary emission components designed to generate the downlink data, the emitted power, the uplink data and the downlink data being transmitted via a shared coupling between the primary antenna and the secondary antenna.

Abstract: A pressure measurement device includes a pressure sensor including a printed circuit card having a portion that is to be subjected to pressure for measurement. The printed circuit card has strain detectors mounted on the portion to measure deformation of the printed circuit card under the influence of the pressure. The device may be included in a measurement system.