Abstract: Method for managing the energy in a system for verifying the inflation pressure of the tires of an aircraft, consisting in measuring, by a pressure sensor, at least one inflation pressure of each of the tires, obtaining a unique identification data relating to each of the tires, and sending via the wireless communication link the measurements and data thus collected to a processing unit disposed in or out of the aircraft for them to be available to a pilot or a maintenance operator, the step of sending the measurements and data being carried out in an acyclic manner as a function of a trigger signal given by a motion detector that detects the motion of the wheels of the aircraft as long as the speed is lower than a predetermined maximum speed.

Abstract: A variable inductive displacement sensor includes a primary excitation coil, a first secondary coil. and a second secondary coil. The primary excitation coil is configured to generate a variable magnetic field, and the first and second secondary coils are configured to each generate a signal induced by the variable magnetic field. The primary coil and the first and second secondary coils each have one end which is intended to be connected to a common ground.

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 stiffener device is suitable for use with an assembly that includes an electronic mother board, an electronic daughter board, a connector for connecting the daughter board parallel to the mother board, and an element for holding in position the daughter board in relation to the mother board. The stiffener device has a main clamp configured to hold tightly the upper surface and the lateral vertical surfaces of the connector.

Abstract: Navigation device including an inertial navigation system coupled with a satellite navigation system, the information supplied by the satellite positioning system being used for adjusting the inertial navigation system, characterised in that the device further comprises means for measuring signals coming from base stations of a wireless cellular network, the satellite navigation system and the means for measuring signals coming from base stations of the wireless cellular network are coupled with each other by a tight coupling to form a satellite navigator and/or base-station navigator implementing an estimator with simultaneous localisation and mapping, and in that the satellite navigation system and the means for measuring signals coming from base stations of the wireless cellular network are coupled to the inertial navigation system by a loose coupling for adjusting the inertial navigation system.

Abstract: A connection device includes a housing having a first face provided with a first opening that is closed by a PCB, and a second face provided with a second opening facing at least one electrical connection interface of the PCB. The housing includes at least one well extending from an edge of the second opening to the PCB so as to position a first connector relative to the connection interface, and in that the housing is a one-piece part that includes the well.

Abstract: An accelerometer sensor includes a casing, a pendulum fixed to the casing, a movable electrode carried by the pendulum and connected to a detection circuit, a first electrode and a second electrode rigidly attached to the casing to form, with the moving electrode, two capacitors of variable capacitance depending on a distance between the electrodes. The accelerometer sensor further includes a control unit that carries out detection operations to measure the variable capacitances of the capacitors. The control unit also performs a control operation of the movable electrode depending on the capacitances measured by applying a logic signal for controlling a switch for selective connection of the fixed electrodes to an excitation circuit delivering a control signal to the fixed electrodes in order to keep the pendulum in a predetermined position.

Abstract: The invention relates to a force application device for an aircraft control column, the control column comprising a control lever configured to rotate a first shaft and a second shaft, the force application device comprising a first force feedback member configured to exert a resistive force opposing the rotation of the first shaft, a second force feedback member configured to exert a resistive force opposing the rotation of the second shaft and a common braking device comprising a housing, a first braking member and a second braking member which are coaxial and mounted rotatably inside the housing and configured to engage with the first shaft and the second shaft, respectively, so as to brake them, preferably simultaneously.

Abstract: A method for measuring the hardware and operational state of a dual-circuit solenoid valve including first and second coaxial coils each associated with a circuit is disclosed. The method includes the steps of injecting a sinusoidal current into the first coil; measuring the voltage induced across the terminals of the second coil; and plotting at least one curve of a first magnitude proportional to the measured induced voltage as a function of a second magnitude proportional to the injected sinusoidal current.

Abstract: The invention relates to a method for communicating data between communication equipments, where the first communication equipment (EqptN) is put into the emission mode (Xmit) for the frame (TrN) containing its identification (D_PID), while each second communication equipment (Eqpt1, EqptN+1, EqptN+x) is put into the receiving mode (Rcv), then the equipment (EqptN) is put into the receiving mode (Rcv), each equipment (Eqpt1, EqptN+1, EqptN+x) prescribes its local emission window (Ftle1, FtleN+1, FtleN+x), which is associated with its identification, during which it is put into the emission mode (Xmit) for its frame, a time of beginning (IDF1, IDFN+1, IDFN+X) of the window being a determined function, increasing with respect to a difference equal to its identification from which the identification (D_PID) is subtracted, each equipment is put into the emission mode, during which it emits its frame containing its identification during its window starting at the beginning time.

Abstract: A shielding element comprises a rigid substrate and at least one electrically conductive two-dimensional structure which is placed on one of the faces of the substrate. The substrate and the electrically conductive two-dimensional structure are such that the shielding element has optical-transmission and shielding-efficiency values at least one of which varies between two zones of the shielding element. Such a shielding element enables easier assembly of a detection system comprising multiple optical sensors.

Abstract: The invention relates to an aircraft control column, the control column comprising a first shaft and a control lever configured to rotate the first shaft about a first axis through a first angular range [?1; ?3] via a mechanical joint having a primary reduction ratio, the control column comprising a braking device configured to brake the first shaft via a first transmission device having a secondary reduction ratio, the secondary reduction ratio being maximum for an angular position, the secondary reduction ratio increasing over the range [?1; ?4] and then decreasing over the range [?4; ?3] so as to obtain an overall reduction ratio that has a limited amplitude of variation over the first angular range [?1; ?3].

Abstract: A method for calibrating a photodetector array supplying a video stream includes: a determination step, wherein an offset table is determined for each current image of the video stream based on at least two corrections from among the following: a first correction from a comparison of the current image to a corresponding predetermined reference table; a second correction from a calculation of a column error of the current image; and a third correction from a high-pass temporal filtering of the video stream; and a calculation step, wherein a current value of an offset table, equal to a sum between a previous value of the offset table and a weighted sum of at least two corrections, is calculated, with each coefficient of the offset table being associated with a respective photodetector of the array.

Abstract: An antenna in a system is provided and includes a first device and at least one second mobile device, where the first device communicates with the second device(s). In an acquisition mode, for each antenna of an antenna system, a first item of communication quality information is obtained, and the antenna the first item of information of which is the highest is selected. In a pursuit mode, if the selected antenna is sectoral, a second item of communication quality information is obtained, and the antenna the second item of information of which is the highest is selected. For each antenna, a third item of communication quality is obtained if the selected antenna is the omnidirectional antenna, and from the third items of information, the antenna the third item of information of which is the highest is selected.

Abstract: An aircraft seat includes an actuator and a movement transmission device. The movement transmission device includes a frame having at least one bearing face and one braking face; a drive body configured to being rotated relative to the frame, the drive body having a bearing face and a braking face; and an elastic element suitable for keeping the braking face of the drive body at a defined distance from the braking face of the frame, the elastic element having a determined stiffness and being prestressed such that, when an axial load greater than a threshold load is applied to the drive body, the braking face of the drive body comes into contact with the at least one braking face of the frame.

Abstract: An on-board computer includes a microprocessor chip with a lower face and an upper face, a chip carrier having an upper face on which the microprocessor chip is mounted, and a casing configured to discharge heat generated by the microprocessor chip in operation. An interposer is disposed between the upper face and the casing. The interposer diffuses the heat transmitted by the upper face of the microprocessor chip towards the casing. The interposer has an upper surface for heat exchange with the casing that is twice or more greater than the surface area of the upper face of the microprocessor chip. The interposer has on one or more sides a peripheral wedging rim coming into contact with a side wall of the chip carrier, and has no more than two peripheral wedging rims, in order to leave the other sides of the interposer free.

Abstract: A device for preventing, in real time, risk of atmospheric disturbance (DIS) for an aircraft in the air or on the ground includes acquisition means configured to acquire data corresponding to said risk. The device further includes design means configured to produce a predictive map of at least one critical area corresponding to at least one level of risk of disturbance that has been determined, and protection means (MP) configured to protect electronic components on board the aircraft which are liable to be damaged if the aircraft passes through said at least one critical area.

Abstract: This system (36) for controlling an aircraft thrust reversal means comprises a reverse idle control means (38), a first detection means (31) configured to detect, when the reverse idle control is active, a condition for activation of the thrust reversal means, and an actuation means (52) configured to activate the thrust reversal means when the first detection means (31) detects a condition for activation of the thrust reversal means. It further comprises a second detection means (42, 44, 46, 48, 49) configured to detect a condition for activation of the reverse idle control, the control means (38) being configured to activate the reverse idle control when the second detection means (42, 44, 46, 48, 49) detects a condition for activating the reverse idle control.

Abstract: A conductive metal frame for a power electronics module comprising at least first and second power semiconductor components each having upper and lower faces, connectors for linking these power semiconductor components to external electrical circuits and at least one radiator for expelling via the conductive metal frame the heat flow generated by the power semiconductor components, the conductive metal frame being characterized in that the connectors, the at least one radiator and the conductive metal frame forming a single three-dimensional part made of a single material on an inner surface of which the first and second power semiconductor components are intended to be attached by their lower faces and provision is made for a central folding line so that, once the conductive metal frame is folded on itself, enclosing the first and second power semiconductor components, it provides a double-sided cooling assembly.

Abstract: A method of navigating a vehicle (A) by means of a navigation algorithm arranged to determine spatial information (p(xr, yr, zr), v, a(?xr, ?yr, ?zr), PL) on the basis firstly of inertial measurements (Mi) coming from a signal processor circuit (100) for processing the signals from an inertial measurement unit (I) and secondly of pseudo-distance measurements (Mpd) determined in response to receiving signals from positioning satellites, the measurement processor circuit (100) having a calibration input adjustable on a self-calibration value (VCal) in order to reduce the influence of an error of the inertial measurement unit (I) on the spatial information (p(xr, yr, zr), v, a(?xr, ?yr, ?zr), PL) supplied by the navigation algorithm.