Abstract: The present invention relates to a method and a system for inscribing and securely storing cryptographic keys on a physical medium, and to a corresponding physical medium, comprising the following steps: from a first management entity (31), generating (1) a first pair of asymmetric cryptographic keys comprising a first user public key (pub1) and a first user private key (priv1), inscribing (2) the first user private key (priv1) onto a physical medium, and affixing (4) a first tamper-evident concealing element (hol1) to the physical medium in order to conceal the first user private key (priv1) and seal same, said first user private key (priv1) being accessible only by visibly breaking said first tamper-evident concealing element (hol1); from the second management entity (32), generating (6) a second pair of asymmetric cryptographic keys comprising a second user public key (pub2) and a second user private key (priv2), inscribing (7) the second user private key (priv2) onto the physical medium and affixing (9

Abstract: The present invention relates to a method and a system for inscribing and securely storing cryptographic keys on a physical medium, and to a corresponding physical medium, comprising the following steps: from a first management entity (31), generating (1) a first pair of asymmetric cryptographic keys comprising a first user public key (pub1) and a first user private key (priv1), inscribing (2) the first user private key (priv1) onto a physical medium, and affixing (4) a first tamper-evident concealing element (hol1) to the physical medium in order to conceal the first user private key (priv1) and seal same, said first user private key (priv1) being accessible only by visibly breaking said first tamper-evident concealing element (hol1); from the second management entity (32), generating (6) a second pair of asymmetric cryptographic keys comprising a second user public key (pub2) and a second user private key (priv2), inscribing (7) the second user private key (priv2) onto the physical medium and affixing (9

Abstract: The present invention relates to a method and a system for inscribing and securely storing cryptographic keys on a physical medium, and to a corresponding physical medium, comprising the following steps: from a first management entity (31), generating (1) a first pair of asymmetric cryptographic keys comprising a first user public key (pub1) and a first user private key (priv1), inscribing (2) the first user private key (priv1) onto a physical medium, and affixing (4) a first tamper-evident concealing element (hol1) to the physical medium in order to conceal the first user private key (priv1) and seal same, said first user private key (priv1) being accessible only by visibly breaking said first tamper-evident concealing element (hol1); from the second management entity (32), generating (6) a second pair of asymmetric cryptographic keys comprising a second user public key (pub2) and a second user private key (priv2), inscribing (7) the second user private key (priv2) onto the physical medium and affixing (9

Abstract: The invention relates to an antenna designed to emit and/or receive surface waves with a decametric, hectometric or kilometric central wavelength ?0, characterised in that it comprises at least one horizontal wire aerial element of between 0.5?0 and ?0 in length, and at least three vertical wire aerial elements of the same length between 0.03?0 and 0.1?0, arranged in a same plane and each comprising an upper end and a lower end, said upper ends being connected to the horizontal wire aerial element, said lower ends being designed to be connected to a conducting medium having a substantially horizontal surface. The invention also relates to an antenna, an antenna array and a use of an antenna or of an antenna array.

Abstract: The present invention relates to a method and a system for inscribing and securely storing cryptographic keys on a physical medium, and to a corresponding physical medium, comprising the following steps: from a first management entity (31), generating (1) a first pair of asymmetric cryptographic keys comprising a first user public key (pub1) and a first user private key (priv1), inscribing (2) the first user private key (priv1) onto a physical medium, and affixing (4) a first tamper-evident concealing element (hol1) to the physical medium in order to conceal the first user private key (priv1) and seal same, said first user private key (priv1) being accessible only by visibly breaking said first tamper-evident concealing element (hol1); from the second management entity (32), generating (6) a second pair of asymmetric cryptographic keys comprising a second user public key (pub2) and a second user private key (priv2), inscribing (7) the second user private key (priv2) onto the physical medium and affixing (9

Abstract: The invention relates to a device for detecting a leak in a sealed enclosure, comprising an organic light-emitting diode intended to be placed inside the enclosure; and a device for measuring a value representative of at least one of the following parameters: a) the luminous efficacy of the diode; and b) the impedance of the diode.

Abstract: An optoelectronic device includes a stack of layers that are arranged on an electrically insulating substrate, including at least one cathode made of a material of work function ?1; one electron-collecting layer that is arranged above the cathode and that is made of a material of work function ?2 and of sheet resistance R; and one active layer comprising at least one p-type organic semiconductor the energy level of which is HO1, wherein the work function ?2 of the electron-collecting layer and the energy level HO1 of the active layer form a potential barrier able to block the injection of holes from the cathode into the active layer; and the sheet resistance R of the electron-collecting layer is higher than or equal to 108?.

Abstract: A device for local temperature measurement that is suitable for taking temperature measurements of an immediate vicinity of said device. The device comprises: a cell comprising a heat-conductive base and at least one first material having a predetermined fixed state-change temperature and arranged in said base; a heat-energy transfer device thermally connected to said base and said at least one first material; a local temperature measurement probe received in said base and in thermal contact with said at least one first material, the heat-energy transfer device being suitable for causing a change of state of said first material in order to carry out at least one metrological verification of the local temperature measurement probe. An associated cell and method for use are also provided.

Abstract: The invention relates to an antenna designed to emit and/or receive surface waves with a decametric, hectometric or kilometric central wavelength ?0, characterised in that it comprises at least one horizontal wire aerial element of between 0.5?0 and ?0 in length, and at least three vertical wire aerial elements of the same length between 0.03?0 and 0.1?0, arranged in a same plane and each comprising an upper end and a lower end, said upper ends being connected to the horizontal wire aerial element, said lower ends being designed to be connected to a conducting medium having a substantially horizontal surface. The invention also relates to an antenna, an antenna array and a use of an antenna or of an antenna array.

Abstract: The invention relates to a device for detecting a leak in a sealed enclosure, comprising an organic light-emitting diode intended to be placed inside the enclosure; and a device for measuring a value representative of at least one of the following parameters: a) the luminous efficacy of the diode; and b) the impedance of the diode.

Abstract: An optoelectronic device includes a stack of layers that are arranged on an electrically insulating substrate, including at least one cathode made of a material of work function ?1; one electron-collecting layer that is arranged above the cathode and that is made of a material of work function ?2 and of sheet resistance R; and one active layer comprising at least one p-type organic semiconductor the energy level of which is HO1, wherein the work function ?2 of the electron-collecting layer and the energy level HO1 of the active layer form a potential barrier able to block the injection of holes from the cathode into the active layer; and the sheet resistance R of the electron-collecting layer is higher than or equal to 108?.

Abstract: A device for local temperature measurement that is suitable for taking temperature measurements of an immediate vicinity of said device. The device comprises: a cell comprising a heat-conductive base and at least one first material having a predetermined fixed state-change temperature and arranged in said base; a heat-energy transfer device thermally connected to said base and said at least one first material; a local temperature measurement probe received in said base and in thermal contact with said at least one first material, the heat-energy transfer device being suitable for causing a change of state of said first material in order to carry out at least one metrological verification of the local temperature measurement probe. An associated cell and method for use are also provided.

Abstract: The invention relates to a differential mode and common mode choke comprising: a ferromagnetic core comprising three branches (1, 2, 3) extending between a bottom part (5) and a top part (4), a first coil (b1) wound around the first lateral branch (1), a second coil (b3) wound around the second lateral branch (3), the first lateral branch (1) being separated from the top part (4) by a first air gap (e1) and from the bottom part (5) by a second air gap (e10), the second lateral branch (3) being separated from the top part (4) by a first air gap (e3) and from the bottom part (5) by a second air gap (e30), the central branch (2) being separated from the top part (4) by a first air gap (e2) and from the bottom part (5) by a second air gap (e20).

Abstract: The invention relates to a method of control implemented in a variable speed drive, said method comprising the following steps of: for a switching of a transistor (100) of the rectifier stage (1), determination of a first control signal (Ce) corresponding to a first gate current (Ige) to be applied to the gate of the transistor to be switched so as to act on the rate of the variation of a first voltage (Vrec) generated by the switching, for a switching of a transistor (200) of the inverter stage (2), determination of a second control signal (Cs) corresponding to a second gate current to be applied to the gate of the transistor to be switched so as to act on the rate of the variation of a second voltage (Vinv) generated by the switching, determination of a first instant of switching (te) of the transistor of the rectifier stage and of a second instant of switching (ts) of the transistor of the inverter stage (2), the first control signal (Ce), the second control signal (Cs), the first instant of switching a

Abstract: A gas-generating apparatus includes a cartridge including a reservoir having a first reactant and a reaction chamber, and a receiver that can include a flow control device. The receiver is adapted to receive the cartridge and to transport the first reactant to the reaction chamber after connection with the cartridge. The flow control device is adapted to stop the transport of reactant when the pressure in the reaction chamber reaches a predetermined pressure.

Abstract: The invention relates to a method for detecting a defect on the DC power supply bus of a power converter connected to an electrical distribution network (RD). The method comprises steps of: determination of a mean value ( V) of the voltage (Vbus) of the DC power supply bus of the converter, determination of the ripple ({tilde over (V)}ppH1) of the voltage (Vbus) of the DC power supply bus, monitoring of the variation of the said mean value ( V) with respect to the said ripple ({tilde over (V)}ppH1), determination of a defect on the DC power supply bus as a function of the rate of the said variation, the said defect consisting of an anomaly on the inductor (L1) of the DC power supply bus, a power overload of the power converter, or advanced wear of the bus capacitor (Cbus).

Abstract: The invention relates to a method of control implemented in a variable speed drive, said method comprising the following steps of: for a switching of a transistor (100) of the rectifier stage (1), determination of a first control signal (Ce) corresponding to a first gate current (Ige) to be applied to the gate of the transistor to be switched so as to act on the rate of the variation of a first voltage (Vrec) generated by the switching, for a switching of a transistor (200) of the inverter stage (2), determination of a second control signal (Cs) corresponding to a second gate current to be applied to the gate of the transistor to be switched so as to act on the rate of the variation of a second voltage (Vine) generated by the switching, determination of a first instant of switching (te) of the transistor of the rectifier stage and of a second instant of switching (ts) of the transistor of the inverter stage (2), the first control signal (Ce), the second control signal (Cs), the first instant of switching a

Abstract: The invention relates to a differential mode and common mode choke comprising: a ferromagnetic core comprising three branches (1, 2, 3) extending between a bottom part (5) and a top part (4), a first coil (b1) wound around the first lateral branch (1), a second coil (b3) wound around the second lateral branch (3), the first lateral branch (1) being separated from the top part (4) by a first air gap (e1) and from the bottom part (5) by a second air gap (e10), the second lateral branch (3) being separated from the top part (4) by a first air gap (e3) and from the bottom part (5) by a second air gap (e30), the central branch (2) being separated from the top part (4) by a first air gap (e2) and from the bottom part (5) by a second air gap (e20).

Abstract: An optoelectronic device including a first electrode arranged on a substrate, a second electrode that includes a first surface facing the first electrode, and a semiconductor material layer that is in electric contact with the first and second electrodes. The second electrode includes a side wall that is adjacent to the first surface and is covered with the semiconductor material layer by the insertion of a self-assembled monolayer.

Abstract: A fuel cell comprises at least two current collectors, an electrically insulating separator element and solid electrolyte. Each current collector comprises at least one transverse passage passing through it from a first surface to a second surface and the separator element comprising opposite first and second faces is arranged between the current collectors. A plurality of transverse channels pass through the separator element from the first face to the second face and the ionically conducting solid electrolyte occupies the volume bounded by the channels of the separator element and by the passages of the current collectors. The separator element is formed by a thermoplastic polymer material and hard particles are arranged in the transverse channels.