Abstract: The invention relates to an electromagnetic energy converter which comprises at least one magnetic circuit capable of inducing a variation in the magnetic flux through a conductive coil (200). In this respect, the magnetic circuit comprises a yoke (300) laid out to pivot around an axis of rotation between a first P1 and a second P2 equilibrium position stabilised, respectively, by a first fixed magnet and a second fixed magnet. Also, the two magnets are laid out such that the stabilisation of the yoke (300) according to one or the other of the first P1 and second P2 equilibrium positions enable the circulation of a magnetic flux in the conductive coil (200), respectively, along a first direction and a second direction opposite to the first direction.

Abstract: A DC/DC converter, including a piezoelectric element; a first switch, coupling a first electrode of the piezoelectric element to a first terminal of application of a first voltage; a second switch, coupling the first electrode of the piezoelectric element to a first terminal of supply of a second voltage; and at least one third switch connecting the first electrode to a second electrode of the piezoelectric element, said switches being cyclically controlled, at an approximately constant frequency with, between each turning-on of one of the switches, a phase where all switches are off.

Abstract: The invention relates to a battery comprising a plurality of modules arranged in series, characterized in that a module comprises a cell and a cell switch arranged in series with the cell, and in that a circuit for controlling the cell switch is electrically fed directly by at least one cell of a module of the battery.

Abstract: Electrical management system comprising a first voltage source linked to a load and a second voltage source at lower voltage, characterized in that the second voltage source and/or an associated charger can be arranged in series with the first voltage source and the load.

Abstract: Lighting and/or display device with low-voltage individual lighting components such as a light-emitting diode, characterized in that it comprises a plurality of individual modules (1) electrically connected together so as to be able to be arranged in series, at least one module comprising a lower terminal (2) and a upper terminal (3), between which are arranged at least two individual lighting components and a plurality of switches (5, 7, 8), so as to be able to arrange two individual lighting components in series or in parallel between the two lower (2) and upper (3) terminals.

Abstract: Energy transmission device, notably a battery or energy generating device, having (i) at least one module (20) arranged within a casing (25), with a plurality of independent electrical power links (27, 29) and blocks, each having at least one first electrical power link (27) connected to a pair of connectors (A1, B1) to connect to a connector of a second module, a plurality of cells (21) connected to this first link (27), allowing these cells (21) to be connected to external components by the connectors (A1, B1), and switches (24) to modify the link between cells (21) of the block, (ii) a connection component (57) allowing electrical connection of a plurality of independent links (27, 29) of the at least one module (20), and (iii) a plurality of output connectors (A1, A2; A1; CP) allowing polyphase electrical linking of the energy transmission device to an outer component.

Abstract: A spring-mass system including a support, a mass mobile with respect to the support, at least one first and one second spring connecting the mass to the support allowing a displacement of the mass relative to the support along a first direction, the first spring being the symmetrical of the second spring with respect to an axis, each first and second spring comprising at least first and second series-connected beams arranged in zigzag, and a first closed frame surrounding the mass, at a distance from the mass and the support, each first beam having a first end connected to the support and a second end attached to the first frame and each second beam having a third end attached to the first frame and a fourth end connected to the mass.

Abstract: Photovoltaic energy generation device, characterized in that it comprises at least one brick (120) comprising a lower terminal and an upper terminal, between which are arranged two cells (111), each comprising a photovoltaic cell (7), comprising one or more elementary photovoltaic cell(s), and a storage element (8) connected to the terminals of the photovoltaic cell, and at least three cell switchs (113), so as to be able to dispose the said two cells (111) in series or in parallel.

Abstract: A module for warming and, alternately, for cooling, this module comprising an electrocaloric capacitor, an electrical energy storage device and a controllable circuit for transferring electrical energy between the electrocaloric capacitor and the energy storage device. The controllable circuit comprising an inductor connected between the electrocaloric capacitor and the storage device and at least one controllable switch. There is further included a unit programmed to control the switch so as to cause the transfer circuit to toggle successively into the following states and in the following order: an energy recovery state, a disabled state in which it electrically isolates the electrocaloric capacitor and the energy storage device, an energy release state and the disabled state, and each time to maintain the transfer circuit in the disabled state for a duration greater than a predetermined threshold.

Abstract: A device for indicating the filling level of a container, including: a first mobile element located inside of the container and capable of moving along a wall of the container when the filling level of the container varies; an enclosure containing a liquid or a gel, located outside of the container on the side of said wall opposite to the first element; and a second mobile element located inside of the enclosure and plunged into said liquid or gel, the second element being magnetically coupled to the first element and being capable of moving in the enclosure along said wall by following the displacements of the first element.

Abstract: A voltage measurement circuit including a current mirror having an input branch in series with a first resistive element between first and second nodes of application of said voltage, and having an output branch providing a current representative of said voltage.

Abstract: Battery comprising several cells disposed in several modules (112) linked together in series, characterized in that it comprises at least one brick (120) comprising a lower terminal and an upper terminal, between which are arranged two cells (111) and at least three switches (113), so as to be able to dispose the two cells (111) in series or in parallel between the two terminals and in that the battery comprises a control circuit (127) for the switches (113) of the said at least one brick.

Abstract: A system including: a cable including: a core capable of transporting at least one useful electric signal; a sheath surrounding said core; at least one conductive wear detection strand embedded in the sheath and substantially extending along the entire length of the cable; and at least one reference conductive element which is not connected to said at least one wear detection strand and substantially extends along the entire cable length; and a control unit capable of measuring the capacitance or the resistance formed between said at least one strand and the reference conductive element.

Abstract: A bicycle pedal including a tube, assembled to freely rotate around an axis, and a pedal body including at least one first surface on which a cyclist is capable of exerting an effort, the pedal body being connected to the central tube by at least one connecting member including a first portion interposed between the tube and the first surface and fitted with at least one deformation gauge.

Abstract: Energy transmission device, notably a battery or energy generating device, it comprises: having (i) at least one module (20) arranged within a casing (25), with a plurality of independent electrical power links (27, 29) and blocks, each having at least one first electrical power link (27) connected to a pair of connectors (A1, B1) to connect to a connector of a second module, a plurality of cells (21) connected to this first link (27), allowing these cells (21) to be connected to external components by the connectors (A1, B1), and switches (24) to modify the link between cells (21) of the block, (ii) a connection component (57) allowing electrical connection of a plurality of independent links (27, 29) of the at least one, a module (20), and (iii) a plurality of output connectors (A1, A2; A1; CP) allowing polyphase electrical linking of the energy transmission device to an outer component.

Abstract: Energy transmission device module (20) comprising at least one cell (21) connected to cell connectors (C), allowing this at least one cell (21) to be connected to components that are external to the module (20), characterized in that it comprises at least one independent electrical power link (29) of the at least one cell (21), which is connected to two connectors (Ai, Bi) of the module, allowing simple energy transport through the module (20).

Abstract: Lighting and/or display device with low-voltage individual lighting components such as a light-emitting diode, characterized in that it comprises a plurality of individual modules (1) electrically connected together so as to be able to be arranged in series, at least one module comprising a lower terminal (2) and a upper terminal (3), between which are arranged at least two individual lighting components and a plurality of switches (5, 7, 8), so as to be able to arrange two individual lighting components in series or in parallel between the two lower (2) and upper (3) terminals.

Abstract: The instant disclosure relates to a circuit for comparing a voltage with a first threshold, in which said first threshold depends on a second threshold of opening at least one first normally closed breaker.

Abstract: A heat pump including at least two devices for displacement of droplets of liquid by electro-wetting, where one includes a control unit such that it forms a compressor of the pneumatic fluid confined between the droplets of liquid, where the other includes a control unit such that it forms an expander to expand the pneumatic fluid confined between the droplets of liquid, where the high-pressure end of the compressor is connected to the high-pressure end of the expander through a thermal exchanger of a hot source, and where the low-pressure end of the expander is connected to the low-pressure end of the compressor through a thermal exchanger with a cold source, and where the unit formed by the compressor, the expander, and the thermal exchangers forms a single channel.

Abstract: A method of detecting a predetermined specific value of the charge contained in a first elementary cell of a battery, including the steps of: measuring the voltage across the cell under reference current at a plurality of times in a phase of cell charge or discharge between first and second state-of-charge levels; and detecting a predetermined specific value of this voltage, corresponding to the specific charge value.