Abstract: A support configured to be reversibly installed on an upper part of an uncovered backrest of a seat. The support includes a plate configured to bear, completely or partly, against a rear face of the backrest, three clamping mechanisms, a Li-Fi technology data communicator connected to the plate, and a connector. Each clamping mechanism includes a bearing member and a clamping screw that are configured to cooperate with the plate so as to clamp a structural frame of the backrest between the bearing member and the plate. The connector being connected to the data communicator by a cable and being connectable an electronic equipment item.

Abstract: An optical emitter-receiver module includes a light source, a photodetector and a fiber. The light source emits an emitted beam. The fiber includes a core and an optical axis. The fiber has an outer surface, inclined at an angle of 45° with respect to the optical axis, having a mirror. The fiber has a notch, extending to the core of the fiber and having a face having a dichroic filter for reflecting a received beam. The light source is arranged relative to the mirror so that the emitted beam is reflected by the mirror and transmitted in the fiber. The photodetector and the face of the notch are positioned so that the received beam reflected by the dichroic filter is directed towards the photodetector.

Abstract: An aircraft avionics bay provided with at least one shelf (4) that includes: a support platform (5); retention seats (12) for a rack-mountable electrical module (6) each including a module connector (14); an external connection interface (7); an interconnection platform (9) extending substantially parallel to the support platform (5), on the side opposite the retention seats (12), the interconnection platform (9) supporting conductive connection tracks (28); a plurality of rear printed circuits (15), each rear printed circuit (15) extending opposite a module connector (14); the conductive connection tracks (28) of the interconnection platform (9) extending into each rear printed circuit (15) and to the external connection interface (7) via flexible conductors (18, 19).

Abstract: An electrical equipotential connection device having: a connector (1) that includes: a first electrical connector element (2); at least one resilient tab (4); a socket (9) that includes: a contact surface (12); a second electrical connector element (20); at least one housing (14) suitable for cooperating with the at least one resilient tab (4); a disconnection track (17) adjacent to the housing (14) and extending substantially parallel to the insertion direction (21). The connector (1) is rotatable with respect to the base (9), about the insertion direction (21), between: a stable locking position in which the resilient tab (4) is inserted into the housing (14); an unlocking position in which the resilient tab (4) is resiliently deformed and disposed on the disconnection track (17).

Abstract: Aeronautical electrical equipment item fixing baseplate (1) having: a spacer including first attachment device defining a fixing base (3) on a support, and second attachment device defining a support face (4) suitable for holding an electrical equipment item; a storage recess (11), disposed between the fixing base (3) and the support face (4) of the spacer, and having a first lateral opening (13); cable ties (10), disposed in the storage recess (11), and suitable for holding a cable winding; a connector support (7), disposed opposite the first lateral opening (13) of the storage recess (11), and provided with a connector locking device.

Abstract: A system to communicate via modulated optical signals of the Li-Fi signal type to transmit data to and from a plurality of defined privileged spaces. The communicating system includes a plurality of first light sources, each first light source emitting, in the infrared, a first modulated optical signal. A plurality of optical fibers, each optical fiber guiding the first modulated optical signal from a single first light source in the direction of an optical interface. The optical interface transmitting the first modulated optical signal into a defined privileged space. Each optical fiber also transporting a second modulated optical signal from the associated defined privileged space in the direction of a device configured to acquire the second modulated optical signal.

Abstract: A method and assembly for locking/unlocking, formed of one of several a removable module (2) and a mount plate (3). The assembly includes a support wall (4) supporting each removable module (2). The removable module (2) being provided with two lugs (5) through which an aperture passes. The lugs (5) extending out of the removable (2) so that they can be inserted into opening (7) formed in the support wall (4). This assembly is equipped with a locking/unlocking system (100) having a lever (10) extending under the support wall (4) and provided with circular eccentric cams (11) arranged with offset axial symmetry in the form of an S about a central rotation axle (20) perpendicular to the support wall (4). The lever (10) being fixed in terms of rotation on this central axle (2) at equal distances from the two openings (7).

Abstract: A passive optical communication network includes two optical line terminals configured respectively to receive a communication signal from information systems and at least two optical network units configured to receive the communication signal. At least two optical switches, one part of which is connected at input to a first terminal via a primary nominal operating path and to the second terminal via a secondary path, and the other part of which is connected at input to a second terminal via a primary nominal operating path and to the first terminal via a secondary path. Each switch being connected at output to at least one optical network unit. A command controller connected to the switches and configured to control the switches such that, when a fault is detected on a primary path, the switch associated with the path is toggled.

Abstract: The invention relates to a structure (1) for housing electronic modules (2) provided with a system for inserting, locking and extracting such modules (2) including adjacent individual recesses separated by side rails and a motherboard (13), each recess being intended for receiving an electronic module (2). The system for inserting, locking and extracting includes one lever arm (3) per individual recess (10) provided at a distal end with a device for pivoting on the motherboard (13) and guiding device (31) capable of engaging with a circulation device (22, 22?) connected to the electronic module (2) in order to couple connectors of the electronic module (2) with the connectors of the motherboard (13), as well as a device for automatic locking and unlocking of a proximal end (3p) of each lever arm (3).

Abstract: An improved poka-yoke device for an electrical connection assembly having a first part (3) and a second part (4) which can be removably coupled via a mechanical link along a main axis (X). The first part (3) having a first poka-yoke member (31) and the second part (4) having a second poka-yoke member (41). The first part (3) having interlocking securing devices for interlockingly securing the first connector (1) to the panel (P) that accommodates it. The second part (4) having first interlocking fixing device that are arranged so as to fix the second part (4) to the second connector (2), The first part (3) and the second part (4) each having second complementary mechanical fixing devices that are intended to interact with one another by interlocking when the first connector (1) and the second connector (2) are coupled.

Abstract: A data management structure (1a) on board a transportation device, incorporating a cabin (100) provided with seats (110), includes a data resource block (210) incorporating audiovisual transmission system units (211 to 213), outward communication systems (100) and/or cabin systems, a standardised data distribution architecture (10a), and devices (E1 to E4) for operating said systems. In the structure (1a), the standardised architecture (10a) includes a concentration box (11) for the bidirectional transfer, on the one hand, of base signals with the resource block (210) and, on the other hand, optical signals with the devices (E1 to E4) of the cabin (100) on at least one optical fibre (2, 3; 2a, 2?a; 2b). This concentration box (11) houses units for processing (211 to 213) by signal switching, bidirectional conversion into optical signals, and optical signal management by wavelength allocation and distribution of downstream (F1) and upstream (F2) optical flows.

Abstract: An aircraft avionics bay provided with at least one shelf (4) that includes: a support platform (5); retention seats (12) for a rack-mountable electrical module (6) each including a module connector (14); an external connection interface (7); an interconnection platform (9) extending substantially parallel to the support platform (5), on the side opposite the retention seats (12), the interconnection platform (9) supporting conductive connection tracks (28); a plurality of rear printed circuits (15), each rear printed circuit (15) extending opposite a module connector (14); the conductive connection tracks (28) of the interconnection platform (9) extending into each rear printed circuit (15) and to the external connection interface (7) via flexible conductors (18, 19).

Abstract: An assembly, configured to be mounted on a structure, includes a duct in the form of a hollow tubular body of which an inner space defines a zone for receiving a wiring harness. The duct is flexible and includes a longitudinal slot. The assembly includes attachment lugs rigidly connected to the duct and configured to be assembled to the structure. The assembly includes, at longitudinal edges of the duct, on either side of the slot, a pair of recesses with one recess per longitudinal edge. The receiving zone is compartmentalized into two longitudinal channels by a longitudinal separator extending from a longitudinal base of the duct to the slot. The separator has a recess in the same cross-section as the pair of recesses of the duct. The assembly includes a clamping member configured to be inserted into the pair of recesses of the duct and the recess of the separator.

Abstract: The invention relates to a cable harness output adaptor (5) for a cable tray including two semi-cylindrical half-shells (5A, 5B) made of plastic material, assembled in a complementary manner to form a cylindrical piece extending along at least one longitudinal axis (X?X) and defining two cylindrical parts (P1, P2): a first cylindrical part (P1) for internal cable harness support (3) and for externally receiving at least one clamping collar for the assembled half-shells (5A, 5B), and a second, cylindrical output part (P2) with external grip (20) of at least one protective sheath of the cable harness.

Abstract: The invention relates to a reference potential assembly and an attachment assembly for an electrical circuit, the assembly having an electrically conductive flexible clip (30) which includes: an electrical circuit clamping conductor clamp; an electrical contact stub (42); an attachment (43) adapted to clamp the electrical contact stub (42) against an electrical contact surface.

Abstract: An optical backplane for an optical communication network architecture distributing data to equipment. An optical demultiplexer having an input port and at least two output ports. The input port coupled to an optical fiber to carry at least two multiplexed channels of different wavelengths, a control/management channel to control/manage the network and a service dedicated channel. The output ports deliver the control/management channel and at least one service dedicated channel. A coupler receives and transmits one portion of the control/management channel to an interface box coupled to an item of equipment, and another portion of said channel to an optical multiplexer. A routing device for each output port receives a channel either to transmit said channel to the optical multiplexer in a first position or to transmit one portion of said channel to the interface box and another portion of said channel to the optical multiplexer in a second position.

Abstract: The invention relates to the on-board electric power network architecture of a vehicle cabin using domestic devices, in particular of an aircraft cabin, including primary networks (11, 12) connected in parallel to a single domestic network (3) of the cabin for powering domestic devices via converter units (41, 42; 40). Measurement sensors (80) are arranged at the output of each converter unit (41, 42; 40) and the measurements are transmitted (L1) to a regulating device (9) for sharing the supply of the domestic network (3) according to the available power, each converter unit (41, 42; 40) comprises an upstream processing stage (E1) and a downstream processing stage (E2), each including an anti-disturbance device (D1, D2), linked (B1, B2) with the primary network (11, 12) and linked (B3, B4) with the domestic network (3), respectively.

Abstract: The method for on-board electrical power distribution according to the invention includes the producing a protected segregation interface (4A) between the primary distribution (2A) and the secondary distribution network for electrical power of the cabin system (30), referred to as the cabin network, so as to comply with the quality parameters for the primary distribution (2A); controlling the extraction of electrical power from the primary distribution (2A) by a cabin management system (G1, G2) depending on the availability of electrical power on this primary distribution (2A); converting and distributing this available electrical power in the cabin network (30) according to a suitable configuration of the loads (51, 52, 53) of this cabin network (30) and defined according to an electrical configuration of type, single/three-phase AC and DC, as well as of voltage level and frequency.

Abstract: An interconnection system for a rack of a system of an aircraft is provided. The rack includes at least one shelf with at least one frame adapted to receive an electronic device, the interconnection system comprising a rear panel, consisting of a printed circuit, the rear panel comprising as many coupling fittings as connectors of the shelf, each coupling fitting being connected to a connector, at least one interface for connecting a lateral panel consisting of an electronic circuit board, the lateral panel comprising: an interface for connecting the rear panel and connectors allowing a connection to the system of the aircraft, the printed circuit of the rear panel allowing a set of predefined electrical links between the connectors and the interface, the electronic circuit board of the lateral panel allowing a set of electrical links to be set up between the interface and the connectors to the system of the aircraft.

Abstract: A method and assembly for locking/unlocking, formed of one of several a removable module (2) and a mount plate (3). The assembly includes a support wall (4) supporting each removable module (2). The removable module (2) being provided with two lugs (5) through which an aperture passes. The lugs (5) extending out of the removable (2) so that they can be inserted into opening (7) formed in the support wall (4). This assembly is equipped with a locking/unlocking system (100) having a lever (10) extending under the support wall (4) and provided with circular eccentric cams (11) arranged with offset axial symmetry in the form of an S about a central rotation axle (20) perpendicular to the support wall (4). The lever (10) being fixed in terms of rotation on this central axle (2) at equal distances from the two openings (7).