ABSTRACT A method of performing a navigation calculation on the basis of a hybrid inertial navigation system on board a vehicle, the method comprising the steps of: - performing a hybrid first navigation calculation and an inertial second navigation calculation; - calculating in real time a difference between the...

The invention relates to a method for controlling a motor driven aiming device comprising the steps of slaving the control of the motor according to a difference between a nominal speed set point and a measurement of the angular speed sensor; and in the event of saturation determining a corrective value for the nomi...

An inertial measurement device comprising a housing, a plate connected to the housing via a first stage of suspension, an inertial measurement unit comprising vibrating sensors having predetermined first resonant modes of vibration and mounted on the plate via a second stage of suspension; the first stage has a reso...

The invention relates to a flight control device for an aircraft comprising a link lever mechanical means for limiting an angular course of the link lever first means (4) for generating a force for the return of the link lever about said rotational axis and second means (16) for generating a force for the return of ...

The invention relates to: Control circuit (1) for an electrical device (2) said control circuit (1) receiving as input a discrete electrical control signal (CMD) the control circuit (1) comprising a source (11) of voltage (±V) configured so as to supply the circuit according to a negative or positive voltage; a swit...

The invention relates to a remote-controlled system comprising: - at least one ground interface (3), from which an operator can control a remote-controlled vehicle; - at least one mission unit (7, 8) in said vehicle; and - a data link between said interface (3) and said mission unit (7, 8). Said system is charact...

The invention relates to an overspeed protection device of an aircraft engine

The present invention concerns a flight control system of an aircraft comprising: a first processing unit (1)  a second processing unit (2)  communication means configured to establish a first two way digital link (3) and a second two way digital link (4) between the first processing unit (1) and the second processi...

The invention concerns a system on a chip (100) comprising a set of master modules which includes a main processing module (101a) and a direct memory access controller (DMA) (102a) associated with said module (101a) and at least one secondary processing module (101b) and a DMA (102b) associated with said module (101...

The invention relates to a communications network comprising at least two modules and a shared switch connected both to the two modules and to different user terminals the switch having as many configurations as there are user terminals and modules connected to the switch a specific dedicated configuration being ass...

The present invention relates to a method for guiding an aircraft over an airport taxiway which is carried out by a data processing device of a guiding system wherein said method comprises the steps of determining (E1) at least one possible future path of the aircraft according to the topography of the taxiway in th...

There is proposed a method of estimating a navigation state with several variables of a mobile carrier according to the extended Kalman filter method comprising the steps of:  acquisition of measurements of at least one of the variables  extended Kalman filtering (400) producing a current estimated state and a covar...

The invention relates to a device for interconnecting at least two data communication networks connecting a first network qualified as a high security network and at least one second network qualified as a low security network the device including a one way channel referred to as downlink channel between the high ...

The invention relates to an automatic assistance method for landing an aircraft on a landing runway from a return point (A) to a completion point (PA) at which the aircraft comes into contact with the landing runway implemented by a data processing device on board said aircraft and configured to be linked to an iner...

The invention proposes a method for tracking the navigation of a mobile carrier in which an extended Kalman filter estimates over successive iterations a navigation state of the carrier one iteration of the filter comprising steps of: propagating a previous navigation state of the carrier into a propagated state acc...

The invention relates to an optoelectronic viewfinder with modular shielding comprising an optoelectronic device (8) a bearing (15) comprising a rotary portion supporting the optoelectronic device (8) drive means engaging with the bearing such as to rotate the rotary portion control means (14) suitable for controlli...

The invention relates to an optoelectronic surveillance system which comprises an acquisition unit (1) including at least one sensor (2) mounted behind a zoom (3) having a group of mobile lenses (4) at the front and a group of stationary lenses (5) at the rear defining at least one first space (6) in convergent rays...

The invention relates to an armed optoelectronic turret including a body {3) pivoting around a bearing axis (Z) a weapon (15) rotatably secured to the body (3) according to the bearing axis (Z) and mounted such as to pivot about a first site axis (XI) and an optoelectronic viewfinder (6) mounted such as to pivot abo...

The invention concerns a device (4) for connecting a radio frequency circuit (3) or component printed on a flexible support (2) to a coaxial cable comprising: a first part (14) suitable for being disposed against a first face (5) of the support (2) on which the circuit or the component (3) is printed the first part ...

The invention relates to a method for guiding an aircraft along a reference path on a ground platform said aircraft carrying at least one detector for detecting a plurality of indicators on the ground said method comprising: a) determining (E1) geometrically complex zones of uncertainty of the platform using a map o...

The present invention relates to a method for automatically assisting with the landing of an aircraft on a runway from a return point (A) to a completion point (D) at which the aircraft touches the runway by means of a data processing device on board said aircraft which device is configured to be connected to an alt...

The invention relates to a decamouflaging method which includes: obtaining (40) images which represent a scene including a multi spectral image including a plurality of components located in a spectral range ranging from the visible range to the short wavelength infrared and a thermal image including a component loc...

An accelerometer sensor having electrodes forming capacitors of capacitance that vary as a function of distances between the electrodes, a control unit being arranged to perform an operation of measuring the capacitances and a control operation that comprises selectively: a fine control stage in which a first voltag...

CIRCUIT FOR DETECTING LIGHT PULSES A light pulse detection circuit for connection to a photodiode (2), the detection circuit comprising an integration capacitor (Cint), discharge means (13), and comparator means (12) adapted to compare an integration voltage (Vint) across the terminals of the integration capacitor ...

Laser spot detecting device (0) comprising a plurality of elementary optoelectronic detectors (1) that are each connected to an elementary pulse detecting circuit (3), each elementary pulse detecting circuit comprising a comparator and a memory module (26) that is connected to one output of the comparator, the memor...

Method for producing a circuit which is optimised for protection against radiation, comprising a phase of preliminary characterisation which is carried out on a reference circuit, the preliminary characterisation phase comprising the steps of: - irradiating the reference circuit several times; after each irradiation...

The present invention concerns a method for verifying traceability of first code instructions in a procedural programming language generated from second code instructions in a modelling language characterised in that it comprises the implementation by a piece of equipment (1) of steps of: (a) Syntactic analysis: o o...

Method for protecting an FPGA against natural radiations, comprising the steps of: - defining at least one category of constraining signals (H, Rst) which is defined so that a predetermined routing placement tool cannot route more than a determined maximum number of different constraining signals (El, H2, H3, Rstl, ...

The invention relates to a proximal monitoring device comprising a ring defining a volume in which a plurality of cameras is mounted. The cameras have fields that are angularly distributed around said ring and at least one of the cameras is associated with a device for scanning azimuthally in a plane normal to a cen...

The invention relates to a method for assisting at least one movement of a user by means of a robotic device (1), the method allowing the robotic device to be operated in the following two modes: - Default mode: controlling the force of the robotic device via a computer (4) of the robotic device; - Measurement mode:...

An imaging instrument for controlling a target designation makes it possible to visualise a target designation spot (SP) within a scene (SC), while using only one image sensor. To do this, a filter is arranged on the image sensor, in a restricted area (ZC) of same. The filter makes it possible to increase a contrast...

The invention relates to a method for assisting with the navigation of a first vehicle (1) that is stationary in relation to a second vehicle (2) which is mobile within a reference frame, said method involving acquiring (112) movement data on the first vehicle (1) by at least one proprioceptive sensor (6), and estim...

The invention relates to an aircraft flight control column device (1) comprising: a casing (2) for attaching to an aircraft structure; an output shaft (3) for connecting to a flight control column (56), the output shaft (3) being mounted such that it rotates in relation to the casing (2); a primary group (4) compris...

The present invention concerns a method for switching, by a local processing unit (1,2) of a flight control system of an aircraft, configured to control at least one local actuator, connected to at least one local sensor and connected via at least one link (3,4) to an opposite processing unit (2,1) configured to con...

The present invention relates to a method for verifying the integrity of data transmission between a main upstream unit (10a) and a main downstream unit (20a) the method being characterised in that it includes the implementation of the following steps: a data processing module (11a) of the main upstream unit (10a) g...

The invention relates to a method for navigating an aerial drone in the presence of at least one intruding aircraft in an area surrounding the drone wherein an estimated distance between the drone and the intruding aircraft is calculated from a power of the received signal and validated if an estimated value of posi...

The invention provides an aiming system (1) comprising a display control unit (2) connected to a screen (3) having a surface that is covered at least in part by a touch interface, the display control unit being arranged to inlay an aiming frame(4) in the images displayed on the screen. According to the invention, th...

The invention concerns a shoulder portion (3) for an exoskeleton structure the shoulder portion (3) being intended to link an elbow portion (4) attached to an arm of a user to a back portion (2) attached to the back of the user the shoulder portion (3) comprising: - a plurality of linking parts (34 36 38 310) and - ...

The invention concerns an exoskeleton subassembly comprising: - a first exoskeleton part (32) - a second exoskeleton part (33) - a connecting assembly (60) connecting the first exoskeleton part (32) to the second exoskeleton part (33) the connecting assembly (60) comprising a guide (61) mounted securely relative to ...

The method for producing an autonomous navigation map for a vehicle in a zone comprising route segments comprises the steps of: identifying (1) the route segments for which the map should be produced; for each route segment calculating (3) a primary autonomy index according to at least two distinct functions; and ca...

A system (3) for detecting electromagnetic radiation is equipped with an electromagnetic radiation sensor. The sensor consists of a plurality of detectors sensitive to electromagnetic radiation and obtains images composed of pixels each pixel being represented by at least one value from at least one detector of the ...

The invention proposes a method for characterizing the amplitude (AS) of play (S(t)) in an electromechanical actuator (10) the electromechanical actuator comprising an electric motor (11) and a movable element (1) that is able to be moved by the motor the actuator (10) comprising an upstream sensor (41) suitable for...

The invention relates to a pendulum system comprising a pendulum (3) joined to a connector (13) said system comprising connection wires connecting the pendulum to the connector which wires are twisted together to form a twisted bundle (14) that includes a central spiral portion generally in the shape of a cone the a...

The invention relates to an exoskeleton sub-assembly (30) comprising: - a leg part (32) to be attached to a leg of a user and - a foot part (33) to be attached to a shoe of the user; the leg part (32) comprises a tibial segment (321) extending below the knee along the tibia of the user when the leg part (32) is atta...

The invention relates to a method for aligning an inertial navigation system borne by a static or quasi-static carrier, wherein: a plurality of alignment processes that are dimensioned for a plurality of amplitudes of movements of the carrier are implemented simultaneously with different alignment observation durati...

An actuator (10) for at least one movable flight surface (3.1 3.2 4.1 4.2) of an aircraft comprising at least two members (30) for actuating the movable flight surface between two limit positions and a motor (20) linked to the actuation members by at least one rotational movement transmission line each actuation mem...

Method for collecting operational data from an aircraft (1), said aircraft comprising a display screen (2) for operational data (3). The method being characterised in that: - using a mobile terminal (4) equipped with at least one optical sensor, images (5) of said display screen (2) are acquired in such a way that...

The invention relates to a method (S) for attaching an SMD to a printed circuit (10), comprising the following steps: - applying an insulating layer (20) (S1) onto the printed circuit (10), - forming a cavity (22) in the insulating layer (20) above the conductive layer (12) (S2) of the printed circuit, - filling the...

The invention concerns a device (1) for locating a target comprising: - a camera (2) that can be oriented in an orientation in view of the target so that the camera acquires an image of the target and an orientation in view of a star so that the camera acquires at least one image of the star - an inertial unit (4) c...

The invention relates to a handle for holding a weapon, the handle extending along a given axis (X) and comprising a plate (4) intended to be secured to a weapon and a knob (8) for gripping the handle connected to the plate and shaped to have places (9) intended to receive a user"s fingers. The handle is characteriz...

The invention relates to a method for restoring images from a sequence of images, comprising, when applied to a first image from the image sequence: estimating (41) an information item representative of global motion of a background of the first image with respect to a second image; compensating (42) for the global ...

The invention relates to an image sensor comprising: • an optical system (2a) for receiving an optical signal; • a Bayer matrix (4) located on the image focal plane of the optical system (2a), the Bayer matrix (1) comprising: a reference optical filter (B1) configured to eliminate or attenuate, in the received optic...

The invention relates to a method for detecting and tracking targets in a series of images, at least one track, called an existing track, having being formed from blips detected in images of said series preceding a current image. Said method comprises, for the current image: obtaining (30) at least one blip containe...

An optical module (10) is fixed in front of an optical output (21) of a monostatic or quasi-monostatic laser rangefinder (20), for the purpose of transversely offsetting a primary radiation laser beam (F) emitted by the optical output. In this way, risk of damage to an optical sensor (23) of the range finder can be ...

The invention relates to a telescope comprising an attachment plate (1), a primary mirror (100) borne by a front face (2) of the plate, and a secondary mirror (200) held opposite the primary mirror by a support (300), characterized in that the telescope is of the Cassegrain type and the plate (1) has a rear surface ...

The invention relates to a telescope comprising an attachment plate (1), a primary mirror (100) borne by a front face (2) of the plate, and a secondary mirror (200) held opposite the primary mirror by a support (300). The primary mirror is connected to the plate by fastening elements (10) having a bearing that recei...

The invention concerns a method for controlling the operation of a complex electronic component (10) transferring data frames to physical ports, the method: inserts, into each data frame to be transferred by the complex electronic component (10), a first signature determined at least from the source address included...

The invention concerns an exoskeleton structure comprising: - a leg part (35) intended to be fastened to a leg of a user, - a foot part (37) intended to be fastened to a foot of a user, - a mechanical linking assembly (36) linking the leg part (35) to the foot part (37), comprising a first pivot (361) allowing the f...

The invention concerns an exoskeleton structure (1) comprising:- a back assembly (2) intended to be attached on the back of a user, - an arm assembly (3) intended to be attached to an arm of the user, - a shoulder connection device (4) connecting the back assembly (2) to the arm assembly (3), the shoulder connection...

The present invention concerns a target tracking device (2), the device comprising an optical system (4) and a photodetector (6) with quadrants (Q1-Q4), wherein the optical system (4) is configured to project a light beam coming from the target onto a spot on at least one of the quadrants (Q1-Q4), and the photodetec...

The invention relates to an open-attachment fitting (2) and at least one plate (3a, 3b), the plate being arranged on the fitting so as to be able to extend from the fitting towards the outer side of the fitting in an extended position which allows, during use, a bag to rest on the plate, the fitting being formed in ...

The invention relates to a device intended to be positioned close to a joint between two parts, the device comprising a first interface (11) borne by a first of its two parts and a second interface (12) borne by a second of the two parts, the device comprising at least one connection between the first interface and ...

The invention concerns a piece of equipment comprising a radio antenna array and a switching device placed in an interval between the antennas and the associated reception channels, the switching device having a first operating mode, called the operational mode, in which each input interface is directly connected to...

The invention relates to an electric machine comprising a rotor and a stator. The rotor (40, 4) comprises a plurality of permanent magnets (4), the stator comprises a plurality of coils suitable for being powered by an electric current and two Hall effect sensors (6) on supports (60). The sensors are configured to d...

Measuring unit comprising at least two elements, namely a frame and an inertial sensor, a first of the elements being provided with pads having a surface on which a bearing surface of a second of the elements is applied under a force substantially normal to the surfaces which is exerted by at least one clamping elem...

The invention relates to a force application device for an aircraft control stick comprising: - a casing (24), - an electromagnet (22) mounted on the casing (24), - an actuator (30) mounted on the shaft (13), the actuator (30) being mobile in translation in relation to the shaft (13) along the axis (A), the actuator...

The invention concerns a method for producing a backplane circuit board (20) having an inner face (142) designed to be connected to circuit board connectors (12) and an outer face (143) designed to be connected to an external connector, blind holes (146, 148) opening on the inner face (142) and on the outer face (14...

An optical detection device is included in a self-guided flying vehicle, the self-guided flying vehicle being made up of a dome situated at the head of the self-guided flying vehicle, a propulsion device located at the rear of the self-guided flying vehicle and a body situated between the dome and the propulsion dev...

The invention relates to an item of optronic equipment for assisting with piloting an aircraft, comprising a first set (101) of three cameras arranged on the aircraft to generate a panoramic strip from the data transmitted by the three cameras of the first set, and a second set (102) of three cameras arranged on the...

A device (10) comprising an electronic assembly (1) comprising an electronic component (2) assembled on a first substrate (3), and a body (11) defining a cavity (12), a first end (12.1) of which is in fluid communication with a fluid (14), the electronic component extending into the cavity (12) and the first substra...

A multispectral harmonization device, designed to align the optical paths of an optronic system, comprises at least two directional optical sources (121 to 124) emitting respective optical beams (131 to 134) of different wavelengths belonging to different spectral bands, and comprises a parabolic mirror (10) and mea...

Device intended to be installed in an aircraft, the device being adapted to operate according to a first so-called "ground-based" mode of operation or a second so-called "in-flight" mode of operation, the device comprising a radio module compliant with a low-consumption wide area network standard which is adapted to...

This accelerometer sensor comprises a casing (2), a pendulum (3) fixed to the casing, a movable electrode (5.3) carried by the pendulum and connected to a detection circuit (7), a first electrode (5.1) and a second electrode (5.2) rigidly attached to the casing to form, with the moving electrode, two capacitors of v...

A system (1) comprising: - a drone (B) including an onboard entity (Bl); and - a control entity (A) for controlling the drone and situated remotely from the drone (B). The control entity (A) enables an operator to select instructions (10) for sending to the onboard entity (Bl), the onboard entity (Bl) being adapt...

The invention relates to a device for maintaining the attitude of a carrier, the device comprising three primary gyroscopes (1, 2, 3) that are arranged to measure primary speeds of rotation (Rbc) of a carrier about three primary axes, a secondary gyroscope (4) that is arranged to measure a secondary speed of rotatio...

The invention relates to a modular exoskeleton structure that provides force assistance to the user comprising a base module (1) including a lumbar belt (11) to be placed around the base of the user"s trunk two hip modules to be secured to the user"s two thighs and a backpack support module (14) for an exoskeleton s...

The invention concerns a back portion (2) for an exoskeleton structure comprising a spinal column segment (21) intended to extend along a spinal column of a user the spinal column segment (21) comprising a plurality of vertebra elements (211) stacked on top of each other and one flexible connection element (212) lin...

The invention concerns a foot portion (7) for an exoskeleton structure comprising an ankle joint (72) a first support plate (732) designed to come to bear against the top of a shoe of the wearer when the foot portion (7) is attached to the foot of the wearer a second support plate (735) suitable for being arranged u...

The invention relates to a modular exoskeleton structure that provides force assistance to the user comprising a base module (1) that includes: a lumbar belt (11) to be placed around the user"s waist; a battery (12) and a control unit (13) both secured to the lumbar belt (11); a first securing part secured to the be...

The invention relates to an exoskeleton structure that provides force assistance to the user comprising: a first module to be secured to a first part of the user"s body; a second module to be secured to a second part of the user"s body said second module being connected to the first module by means of an articulatio...

The invention relates to a current sensor with fluxgate comprising an excitation winding (13) an excitation module (20) for generating an excitation voltage (Ve) a measurement winding (14) in which an induced measurement current (Iim) flows a measurement synchronous demodulator (22) for multiplying the induced measu...

The invention relates to a linking device (7) for an exoskeleton structure comprising an input piece (72) rotatably mounted relative to a support (71) and a transmission device (73) arranged such that: when a load is applied to the input piece (72) that tends to pivot the input piece (72) in a first direction of rot...

The present invention relates to a cooling device (8) comprising: - a housing (22); - a crank (28) rotationally movable relative to the housing (22); - a piston (16); - a coupling component (34) rotationally mounted on the crank (28), the coupling component (34) having a first edge (54) facing the piston (16) and a ...

A telescope comprising an attachment plate (1), a primary mirror (100) supported by a front surface (2) of the plate, and a secondary mirror (200) held opposite the primary mirror by a support (300), characterised in that the support (300) comprises a primary ring (310) mounted around the primary mirror (100), a sec...

The invention relates to a method (S) for manufacturing an electronic board (1) comprising the following steps: - forming (S1, S4) a cavity (20) in the conductive skin layer (Ci) and in an underlying insulating layer (10), such that at least a portion of a solder pad (4) is exposed, - filling (S5) the cavity (20) wi...

Locating and detecting device comprising a plurality of optical sensors (Q1, Q2, Q3, Q4) having fields that add to define the field of the locating and detecting device, each sensor comprising a plurality of photodiodes having fields that add to define the field of the sensor, the sensors being connected to a contro...

The invention relates to a telescope comprising an attachment plate (1), a primary mirror (100) borne by a front face (2) of the plate, and a secondary mirror (200) held opposite the primary mirror by a support (300), characterized in that the support (300) comprises a primary ring (310) mounted around the primary m...

The invention relates to an exoskeleton structure comprising a pelvis assembly, a first lower limb assembly, a second lower limb assembly and a back assembly, the structure comprising a plurality of pivot joints (27, 28, 29, 193) connecting each of the lower limb assemblies and the back assembly to the pelvis assemb...

Device for observation and designation, comprising a first image sensor and a second image sensor which are connected to an electronic image-processing circuit connected to a display, the first image sensor and the second image sensor being designed to have superimposing fields which respectively output at least a f...

The invention concerns a guidance system (1) of an aircraft (A), comprising: a first antenna (10) having a first opening angle (O1) at - 3 dB - a second antenna (20) having a second opening angle (O2) at - 3 dB, the first opening angle (O1) being at least twice as large as the second opening angle (O2) and, within t...

The invention concerns a device comprising a control lever (8) associated with a frame (1) carrying a first plate (4) linked to the frame, a second plate (10) linked to the first plate (4), the control lever (8) being linked to the second plate (10), a first transmission shaft (12) mounted so as to be able to pivot ...

The invention relates to a force application device for a control stick of an aircraft, said stick comprising a control lever that is connected to a motor comprising a drive shaft, said device having: a first pin connected to the drive shaft, a housing, a second pin secured to the housing, an electromagnet secured i...

The invention relates to a force application device for a control stick of an aircraft, said control stick comprising a control lever that is connected to at least one motor comprising a drive shaft that can be rotated about an axis, the force application device comprising: a first pin connected to the shaft, a hous...

The invention relates to an inertial/video hybridisation device (2) intended to be mounted on a carrier (2), the device comprising: a camera (6) configured to acquire a first image showing a predetermined landmark (12) attached to the carrier (2), a processing unit (8) configured to estimate a velocity of the carrie...

An optical radiation-collecting assembly (10) comprising a convex mirror (1), a concave mirror (2) with a central opening (O) and a window (3), which are arranged such that light passes through the opening in the concave mirror, is reflected first by the convex mirror and then by the concave mirror, and subsequently...

The invention relates to an inertial navigation system (D) intended to be carried on board a vehicle (S), comprising at least two first inertial measurement units (10.1, 10.2, 10.3) of the type connected to the vehicle, and at least two second inertial measurement units (20.1, 20.2, 20.3) each secured to a turntable...

The invention relates to an aircraft flight compensator control system including a motor (3) and a variable-friction actuator (6) coupled to the motor and to an output shaft (8). The variable-friction actuator includes a variable-friction-torque magnetic clutch connected to the output shaft

The invention relates to a method for processing a radio navigation signal originating from a satellite (SAT) and received by a radio navigation receiver comprising a plurality of receive antennas, each antenna being configured to receive signals originating from a satellite of interest (SAT), from at least one jamm...