Abstract: The present invention relates to a radio frequency antenna (10) including an antenna array (12) operating at one wavelength and comprising: a powered dipole (14A) connected at an access point (15) to a radio frequency transmitter generating or receiving a wave at the wavelength, at least one coupled dipole (14C1, 14C2, 14C3) connected at an access point to a respective load (Z1, Z2, Z3), the powered dipole (14A) and each coupled dipole (14C1, 14C2, 14C3) including two strands extending from the access point (15), the access points (15) being arranged so as to form a polygon, the first strand of a dipole (14) extending along the second strand of a neighboring dipole (14) at a distance less than one tenth of the wavelength.

Abstract: This electrical energy converter comprises: a first bridge comprising at least a first switching branch between two terminals of an input voltage and including two first switches connected at a first midpoint; a second bridge comprising at least a second switching branch between two terminals of an output voltage and including two second switches connected at a second midpoint; at least one piezoelectric assembly connected between respective first and second midpoints; and at least one switching aid circuit connected to a respective midpoint and configured to, via the flow of a previously received current, discharge a parasitic capacitance of a switch of the bridge to which it is connected, and respectively charge a parasitic capacitance of another switch of said bridge.

Abstract: A Distributed light projection device, including: one or a plurality of waveguides; and above each waveguide, a plurality of extraction cells coupled to distinct portions of the guide, each extraction cell including first and second stacked diffraction gratings.

Abstract: A switch based on a phase-change material including: a region made of said phase-change material coupling first and second conduction electrodes of the switch; and an optical coupler of a laser signal for activating the switch, located in front of a surface of the region made of said phase-change material.

Abstract: An electronic device including a stack including, in order from the top face of a substrate, a first electrode, a layer of 2D material, and a second electrode, wherein the top surface and flanks of the layer of 2D material are entirely covered by an encapsulation layer comprising at least the second electrode.

Abstract: A device for magnetically detecting microscopic biological objects includes a microfluidic channel having a fluid inlet and a fluid outlet; a plurality of magnetic sensors arranged against an inner wall of the microfluidic channel; and a permanent magnet arranged against an outer wall of the microfluidic channel, in such a way that the plurality of magnetic sensors is immersed in a magnetic field created by the permanent magnet; the plurality of magnetic sensors including a first magnetic sensor; a second magnetic sensor opposite the first magnetic sensor; a third magnetic sensor downstream of the first and second magnetic sensors.

Abstract: The present disclosure relates to a routing circuit for routing signals between neuron circuits of an artificial neural network, the routing circuit comprising: a first memory cell (302) having an input coupled to a first input line (304) of the routing circuit and an output coupled to a first column line (308); a second memory cell (302) having an input coupled to a second input line (304) of the routing circuit and an output coupled to the first column line (308); and a first comparator circuit (310) configured to compare a signal (IREAD1) on the first column line (308) with a reference level, and to selectively assert a signal (VOUT1) on a first output line (312) of the routing circuit based on the comparison.

Abstract: A method for the execution of a binary code defining a data structure including a particular field to be read using a pointer, this method including writing, to the main memory, the value of the particular field associated with a first identifier of a pointer that points directly to this particular field, this identifier being determined from an identifier of the particular field that differs for all of the fields of the data structure that are adjacent to the particular field, and then constructing a pointer that points directly to this particular field, this construction including determining an identifier of this constructed pointer, and then checking that the identifier constructed in step b) corresponds to the identifier associated with this particular field in step a), and when these pointer identifiers do not match, triggering the signaling of an execution fault.

Abstract: In one aspect, a method includes manufacturing a tunneling magnetoresistance (TMR) element to sense out-of-plane changes in magnetic field intensity in a magnetic field. The manufacturing includes depositing a plurality of antiferromagnetic layers having magnetization directions alternating by layer between a first direction and a second direction opposite the first direction. A top layer of the plurality of antiferromagnetic layers has a magnetization direction in the first direction. The manufacturing also includes depositing a ferromagnetic layer directly on the top layer; depositing a first multilayer structure directly on the ferromagnetic layer; depositing a metal layer directly on the first multilayer structure; and depositing a second multilayer structure directly on the metal layer. The ferromagnetic layer, the first multilayer structure, and the second multilayer structure are each parallel to an x-y plane and the first direction is either in a z-direction or in a ?z direction.

Abstract: A reconfigurable antenna array including a plurality of identical elementary unit cells, each unit cell having at least one symmetry and being a square unit cell, and including a radiating element having at least four ports distributed in pairs on either side of each median on one side of a unit cell, the antenna array additionally including a reconfigurable switching circuit configured to generate three distinct connection states between each port of each pair of facing ports, each port of a pair belonging to two distinct elementary unit cells that are vertically stacked or horizontally adjacent within the antenna array.

Abstract: The present disclosure relates to a memory circuit comprising: a transistor layer; a plurality of first memory elements positioned in a first level above the transistor layer; and a plurality of filament switching resistive memory elements positioned in a second level higher than the first level.

Abstract: A method for manufacturing an electroacoustic transducer includes a frame; an element movable with respect to the frame, the movable element including a membrane and a structure for rigidifying the membrane; a first transmission arm, the movable element being coupled to an end of the first transmission arm; wherein the trimming of the membrane and the trimming of the rigidification structure are decorrelated in a region around an intersection between the position of the first transmission arm and the periphery of the rigidification structure.

Abstract: A classification device, including a pre-processing stage, a material system and an identification stage. The pre-processing stage transforms a signal of interest into an excitation signal; the material system includes a magnetic medium subdivided into a plurality of zones either in a first magnetic state or in a second magnetic state, an excitation module generating, from the excitation signal, a physical excitation quantity adapted to displace the magnetic domain walls in the magnetic medium, and a reading module measuring the final magnetic configuration reached by the magnetic medium; and the identification stage determines a class to which the signal of interest belongs from the final magnetic configuration.

Abstract: A material that can be used for detecting at least one alkaline element in cationic form chosen from polymers or inorganic materials, the material being functionalised by at least one group, referred to as group A, comprising one or more aromatic rings, the or all or a portion of the aromatic rings comprising at least one imine substituent and the or all or a portion of the aromatic rings comprising at least one atom carrying a free doublet within the or all or a portion of the rings and/or at least one other substituent different from an imine substituent comprising at least one atom carrying a free doublet.

Abstract: A method for resetting an array of RAM cells by applying a sequence of N reset operations, the method including at a first reset operation, defining a first reset technique and performing the first reset operation; at a j-th reset operation of a N?1 subsequent reset operations, j being an integer between 2 and N, if a correction yield of the reset technique used at the (j?1)-th reset operation fulfils a predefined condition, applying the reset technique used at the (j?1)-th reset operation to perform the j-th reset operation, if the correction yield does not fulfil the predefined condition, defining a new reset technique and applying the new reset technique to perform the j-th reset operation, the correction yield being a cumulative correction yield or a relative correction yield, the correction yield for the N reset operations being measured prior to the first reset operation.

Abstract: An electromechanical conversion device includes a resonant electrical circuit comprising an inductance and a capacitor, the capacitor including at least a first electrode and a second electrode; and a mechanical oscillator including at least one microbeam formed in a membrane, the first and second electrodes being located side by side and the first electrode of the capacitor being located on a face of the microbeam so that the electrical capacitance of the capacitor varies when the mechanical oscillator oscillates; device wherein the inductance includes an electric track of very low thickness made on the membrane and made of a superconductive material chosen so as to obtain an electric track with a high kinetic inductance.

Abstract: The present description concerns a radio transmission device including a plurality of elementary cells, each including a transmit circuit and an antenna connected to an output terminal of the transmit circuit, each transmit circuit including a power detector coupled to its output terminal, the device further including a control circuit configured to: a) simultaneously activating in transmit mode a first cell, deactivating in transmit mode a second cell, and reading from an output node of the power detector of the second cell a signal representative of a radio frequency power received on the output terminal of the second cell via the antenna of the second cell; and b) deducing from the signal read at step a) information relative to the state of the device or of its environment.

Abstract: A method for estimating a dose rate, based on measurements taken by a gamma camera, the gamma camera defining an observation field. The estimated dose rate originates from irradiating sources located in the observation field, the irradiating sources emitting ionizing electromagnetic radiation, and the observation field is discretized into a mesh. The gamma camera comprises pixels, each pixel being configured to detect the ionizing electromagnetic radiation, during an acquisition time, and form an energy spectrum therefrom such that together the pixels allow a position of the irradiating sources in the observation field to be obtained in one energy band or in a plurality of energy bands. The method comprising estimating a dose rate generated, at the gamma camera, by points of the mesh.

Abstract: A transistor device including a layer of AlGaN extending between a source and drain of the device; a GaN channel layer extending under the AlGaN layer; a gate stack including a layer of p-doped gallium nitride; and a layer of p-doped InGaN of at least 5 nm in thickness positioned between the AlGaN layer and the p-doped gallium nitride layer, the InGaN layer having a length greater than a length of the gate stack.

Abstract: The present invention [relates to] a regulation system (28) for a multi-active bridge converter (10) with hybrid supply, comprising: an input current port (20) comprising an H-shape switch bridge (30) having a switch (T1) controlled by a first law having a first duty cycle, at least one output voltage port (22, 24) comprising an H-shape switch bridge (38, 40), one switch (T 21, T 31) of which is controlled by a second law which is phase-shifted with respect to the first law, the regulation system (28) regulates the converter (10) to a setpoint comprising a setpoint current value for the current of the current port (20) and a setpoint voltage value for a voltage port (22, 24).