Patents Assigned to Safran Electronics & Defense
  • Publication number: 20220400518
    Abstract: A method and a system for transmitting data in a carrier sense multiple access wireless network wherein a plurality of data transmission devices send respectively at least one data frame at different moments from each other. Each transmission device, when it is initialised: loads the final value of a first, second and third counter, triggers the second counter as from its initial value, triggers, when the second counter has arrived at its final value, the first, triggers, when the first counter has arrived at its final value, the third counter, which is reinitialised to its initial value and retriggered whenever the presence of data is detected on the radio medium, transfers at least one data frame when the third counter has arrived at its final value.
    Type: Application
    Filed: August 19, 2020
    Publication date: December 15, 2022
    Applicant: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Patrice TOILLON, Thiebault JEANDON, Cédric MOREAU
  • Patent number: 11515674
    Abstract: An electrical connection assembly including two complementary connectors, each including a mutually parallel electrically insulating plates each comprising one face carrying signal transport contacts and an opposite face carrying at least one shielding sheet in such a manner that, when the connectors are connected together, the plates are interleaved between one another so that the contacts are pressed against one another and the shielding sheets are pressed against each other.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: November 29, 2022
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventors: François Guillot, Patrice Chetanneau
  • Publication number: 20220374501
    Abstract: A module for processing a set of n input data comprising a reference datum, which is configured to a) calculate the sum of weights that are associated only with those input data other than the reference datum which have values strictly lower than the value of the reference datum; b) compare the sum calculated in step a) with a first threshold; c) calculate the sum of the weights that are associated only with those input data other than the reference datum which have values strictly higher than the value of the reference datum; d) compare the sum calculated in step c) with a second threshold; e) generate an output datum indicating whether the reference datum is a fractile of the set included in a predetermined subset of fractiles, only if: the sum calculated in step a) is lower than the first threshold and the sum calculated in step c) is lower than the second threshold.
    Type: Application
    Filed: October 8, 2020
    Publication date: November 24, 2022
    Applicant: SAFRAN ELECTRONICS & DEFENSE
    Inventor: François LEROY
  • Patent number: 11508032
    Abstract: 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 optical signal, a first band of wavelengths and to allow through, in the received optical signal, a second band length of wavelengths, and also eight optical filters adjacent to the reference optical filter (B1); •a phase mask (2c, 22, 28) arranged on a pupil (2b) of the optical system (2a) and configured to selectively project at least 98% of the energy of the optical signal carried in the first band of wavelengths and 98% of the energy of the optical signal carried in the second band of wavelengths on the reference optical filter (B1) and on at least one adjacent optical filter, which is configured to allow through, in the received optical signal, the first band of wavelengths.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: November 22, 2022
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Arnaud Davenel, Michel Jouffroy, Corentin Dubois, Yannick Guerin, Eric Robert-Charrerau
  • Patent number: 11508025
    Abstract: A data updating system for computing devices included in an aircraft, wherein one computing device in a first group of computing devices is, and one other computing device in a second group of computing devices is not, when the data of the computing device is updated, liable to affect the safety of the operator carrying out the maintenance on the aircraft. The system includes a data loading device, a connection connecting the data loading device with the computing device in the second group, and a data router connected to the data loading device, the data router transferring updating data to the computing devices in the first group only when a command by an operator in the cockpit of the aircraft is detected.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: November 22, 2022
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Denis Delville, Louis Théophile Thirion
  • Publication number: 20220351317
    Abstract: A data updating system for computing devices included in an aircraft, wherein one computing device in a first group of computing devices is, and one other computing device in a second group of computing devices is not, when the data of the computing device is updated, liable to affect the safety of the operator carrying out the maintenance on the aircraft. The system includes a data loading device, a connection connecting the data loading device with the computing device in the second group, and a data router connected to the data loading device, the data router transferring updating data to the computing devices in the first group only when a command by an operator in the cockpit of the aircraft is detected.
    Type: Application
    Filed: July 7, 2020
    Publication date: November 3, 2022
    Applicant: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Denis DELVILLE, Louis Théophile THIRION
  • Publication number: 20220349043
    Abstract: A module for operating a carrier of one or more substrates to be treated in a vacuum deposition method includes a frame provided with a plate receiving, on a first side, an electronic assembly comprising radio transmitter/receiver electronics, a processor card, motor controller electronics and a battery for supplying power to the module. The processor card has a program memory with a program for controlling the motor controller electronics according to data received from a remote apparatus provided with a radio transmitting/receiving device for communicating with the module's radio transmitter/receiver electronics and, on a second side, a device for operating the carrier, which device is provided with a first motor for rotating the carrier about a first axis parallel to the plate and with a second motor for rotating the carrier about a second axis perpendicular to the plate.
    Type: Application
    Filed: October 27, 2020
    Publication date: November 3, 2022
    Applicant: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Maxime PARAILLOUX, Joël FLEURY, Cyril DUPEYRAT
  • Publication number: 20220348310
    Abstract: The present invention relates to a force application device for a control stick of an aircraft comprising a shaft and a control lever configured to rotate the shaft about a first axis, the device comprising: a magnetic brake comprising a braking part configured to be connected to the shaft, and a volume containing a rheological fluid in contact with the braking part, of variable shear resistance as a function of a magnetic field applied to the rheological fluid, a force feedback motor configured to exert a resistive force opposing the rotation of the shaft about the first axis, a motor power source, a movable magnetic element biased towards a position close to the magnetic brake, and distancing means configured to maintain the movable magnetic element in a position away from the magnetic brake, when such distancing means are powered by the power source.
    Type: Application
    Filed: October 23, 2020
    Publication date: November 3, 2022
    Applicant: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Remi-Louis LAWNICZAK, Pascal COPPÉE, Yannick ATTRAZIC
  • Patent number: 11486969
    Abstract: An optical module (10) is attached in front of an optical outlet (21) of a monostatic or quasi-monostatic laser rangefinder (20), for the purpose of transversely offsetting a laser beam of primary radiation (F) emitted by the optical outlet. In this manner, the risk of damage to an optical sensor (23) of the rangefinder can be avoided.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: November 1, 2022
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Patrick Robert, Vincent Marie
  • Patent number: 11486708
    Abstract: A method and a device resets an inertial unit of a transport on the basis of information delivered by a viewfinder of the transport. According to one embodiment: a horizontal velocity vector of the transport and coordinates of the transport are obtained from the inertial unit, a horizontal line of sight of the viewfinder is obtained on at least one landmark, coordinates of at least one landmark are obtained, an angle between the horizontal velocity vector and the horizontal line of sight is computed, the drift of the computed angle is computed, an error is computed on the basis of the obtained coordinates, the computed angle and its computed drift, and the computed error is transferred to a Kalman filter for filtering the error and resetting the inertial unit.
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: November 1, 2022
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventor: Christian Lignon
  • Publication number: 20220340030
    Abstract: A system for recharging an autonomous aerial vehicle includes a base, a supply boom, a receiving basket, a centering device, and a locking device. The supply boom includes a tip and first recharger. The receiving basket has an inner wall delimiting a cavity that may receive the tip of the supply boom. The receiving basket including a second recharger that is complementary to the first recharger. One of the supply boom and the receiving basket is mounted on the autonomous aerial vehicle while the other is mounted on the base. The centering device centers the tip of the supply boom in the cavity of the receiving basket. The locking device is controlled by a controller and locks the supply boom in the receiving basket.
    Type: Application
    Filed: September 9, 2020
    Publication date: October 27, 2022
    Applicant: SAFRAN ELECTRONICS & DEFENSE
    Inventor: Eric TODESCHINI
  • Publication number: 20220341473
    Abstract: A non-return device for coaxial rotation transmission includes coaxial input and output shafts, a frame for guiding the rotation of the shafts. A locking element is urged in radial translation through a channel of the output shaft between a radial locking position, in which the locking element projects from the channel so as to prevent a rotation of the output shaft by abutting against the frame, and a radial unlocking position, in which the locking element is retracted so as to allow axial rotation of the output shaft. The input shaft includes means for radially switching the locking element between the locking and unlocking positions thereof.
    Type: Application
    Filed: September 3, 2020
    Publication date: October 27, 2022
    Applicant: SAFRAN ELECTRONICS & DEFENSE ACTUATION
    Inventors: Joffrey DELONG, Vincent LONGINOTTI
  • Publication number: 20220327867
    Abstract: A system for updating data for computer devices included in an aircraft, the computer devices being, when the data is updated, liable to affect or not the safety of an operator performing maintenance, the system is included in the aircraft and includes a data loading device, a communication device, a data router and a module for detecting at least one maintenance operation on the aircraft. The system includes: means, included in the communication device, for receiving a command for updating a computer device; means, included in the communication device, for controlling the data loading device and the data router in order to transfer the updating data to the computer device; and means, controlled by the module for detecting at least one maintenance operation on the aircraft, for blocking the updating if at least one signal indicating that a maintenance operation is being performed on the aircraft is received.
    Type: Application
    Filed: September 25, 2020
    Publication date: October 13, 2022
    Applicant: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Louis Théophile THIRION, Denis DELVILLE
  • Patent number: 11469529
    Abstract: An electrical connector pin having a link segment for linking to the connector and an end segment that is free, the end segment having a cross-section that is flat and being provided with a slot passing through the end segment in its thickness direction and extending over a length of the free end segment to form two mutually parallel blades, each having a first edge that is straight beside the slot and a second edge extending remotely from the slot and that is provided with a contact portion projecting laterally relative to an outside surface of the link segment, the blades being elastically deformable transversely so as to vary the width of the slot. A connector and an electronic device including such a pin.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: October 11, 2022
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventors: François Guillot, Pascal Spoor, Olivier Roche
  • Publication number: 20220294257
    Abstract: An electrical supply holding circuit includes a primary stage and a secondary stage. The primary stage includes a voltage connector connected to a supply network, and a primary winding connected to a voltage converter. The secondary stage includes a secondary winding facing the primary winding, the primary and secondary windings forming two coupled inductances, and a voltage controller to which the secondary winding is connected, the voltage controller being connected to a load and controlling a voltage across the terminals of the load. Directions of the currents flowing through the primary and secondary windings are the reverse of one another, and the voltage converter stops the supply to the primary winding when the supply voltage is less than a threshold voltage and resumes the supply to the primary winding when the supply voltage is greater than a threshold voltage.
    Type: Application
    Filed: September 3, 2020
    Publication date: September 15, 2022
    Applicant: SAFRAN ELECTRONICS & DEFENSE
    Inventor: Louis GRIMAUD
  • Publication number: 20220290745
    Abstract: A cam includes a cylindrical ring having a substantially circular outer section and, externally, a helical running track. The ring has a conduit that connects two ends of the external helical running track, and the conduit includes a track for recirculation between the ends of the running track.
    Type: Application
    Filed: September 2, 2020
    Publication date: September 15, 2022
    Applicant: SAFRAN ELECTRONICS & DEFENSE ACTUATION
    Inventors: Joffrey DELONG, Daniel HORS
  • Patent number: 11444543
    Abstract: An electrical power module comprising power components and supports, each including at least one metal portion, the metal portions of the supports forming a substrate of the electrical power module, at least one support comprising two angled metal portions that are angled relative to each other at an angle that is greater than 0°, each power component being fastened to two metal portions of two distinct supports by being positioned between said two metal portions, the electrical power module being arranged in such a manner that electrical power currents going to or coming from the power components flow in the metal portions of the supports.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: September 13, 2022
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Jean-Christophe Riou, Eric Bailly, Nawres Sridi-Convers
  • Patent number: 11435433
    Abstract: A method for locating an element which can be transported by aircraft includes, for a first position of an aircraft: a) transmitting, from an antenna located in the aircraft, a first message intended for the transportable element; b) receiving, on the antenna, a second message transmitted by the transportable element upon receipt of the first message; c) obtaining a travel time of the first and second messages; d) determining a distance from the travel times; e) determining that the element is inside the aircraft if the distance is less than a value and that the element is outside the aircraft if the distance is greater than the value.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: September 6, 2022
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Louis Théophile Thirion, Nicolas Paris
  • Patent number: 11433989
    Abstract: The present invention relates to a force application device for a control stick of an aircraft, wherein the control stick comprises a control lever (1) rotating a shaft (A1) about a first axis (A), the device comprising a magnetic brake (5a) which comprises a magnetisable element (50a) mounted on the shaft and a magnetic transmitter (51a) which is opposite the magnetisable element and free to rotate about the first axis relative to the magnetisable element, the magnetic transmitter having an activated state in which the magnetic transmitter is supplied with current and generates a magnetic field in a volume occupied by the magnetisable element, and a deactivated state in which the magnetic transmitter is not supplied with current and does not generate a magnetic field, so as to prevent the magnetisable element from rotating about the shaft relative to the magnetic transmitter.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: September 6, 2022
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Rémi-Louis Lawniczak, Yannick Attrazic
  • Publication number: 20220276023
    Abstract: Disclosed is a decision assistance system (8) for firing a projectile at a target (4) mounted on a mobile carrier (1), the system comprising: a first simulator (10) for applying a process repeatedly to simulated data that represent a configuration of the carrier and a trajectory of the carrier between a first (T1) and a second (T2) instant, to develop a precision of a navigation solution of the associated carrier at the second instant (T2); a second simulator (12) for: a) being initialized with said precision, b) applying a process repeatedly to simulated data that represent a trajectory of the projectile between the second and a third instant (T3), in order to develop a precision of a navigation solution of the projectile (4) associated with the third instant (T3), and a selector (14) for either selecting the projectile or not (4) in order to fire on the target, according to the precision developed in step b).
    Type: Application
    Filed: July 22, 2020
    Publication date: September 1, 2022
    Applicant: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Alexandre BOUVET, Laurent GOUMY, Yoann CHEVALIER