Patents by Inventor Francois Guillot
Francois Guillot has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20180275005Abstract: The invention relates to a pressure measurement device (1) comprising: a pressure sensor (3) for securing to an element having a pressure that is to be measured; and a stationary portion (5) facing a path of the sensor so as to be in resonant high frequency AC electrical relationship with the sensor in order to power the sensor and in order to receive measurements acquired by the sensor. The invention also relates to a measurement system including such a measurement device.Type: ApplicationFiled: September 16, 2016Publication date: September 27, 2018Applicant: SAFRAN ELECTRONICS & DEFENSEInventors: Olivier LEBORGNE, Patrice CHETANNEAU, Francois GUILLOT
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Patent number: 10044296Abstract: An electric motor device includes a rotor, a stator, and electrical means for driving rotation of the rotor relative to the stator, the device being characterized in that the stator includes a substantially spherical cavity receiving the rotor, which is itself substantially spherical, and in that the electrical means are arranged to drive the rotor in rotation about at least two axes.Type: GrantFiled: August 16, 2012Date of Patent: August 7, 2018Assignee: SAFRAN ELECTRONICS & DEFENSEInventors: Yann Vandenbaviere, Francois Guillot
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Patent number: 10038474Abstract: A power/data electrical coupler, designed to send over a two-wire bus or to receive therefrom data signals and to deliver to said two-wire bus or receive therefrom a power-supply potential. Such a coupler includes a transformer, a first winding of which and a second and third winding of which are connected in series with each other with a common terminal connected to a power supply line and the other two terminals to a two-wire bus. It also includes a second isolation transformer connected between said first transformer and said two-wire bus. According to the invention, said terminal common to said second and third windings is connected to said power supply line by means of a band-rejection filter rejecting one or more of the frequency bands including the resonant frequency or frequencies resulting from the association of the isolation transformer and the transformer.Type: GrantFiled: March 22, 2016Date of Patent: July 31, 2018Assignee: SAFRAN ELECTRONICS & DEFENSE SASInventor: François Guillot
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Publication number: 20180170528Abstract: The invention relates to an aircraft landing gear (2) comprising:—a leg (6) having a first leg portion (8) that can be pivotably connected to a load-bearing structure of the aircraft (1) in order for the landing gear (2) to be deployed and retracted, and a second leg portion (9) that is rotatable in relation to the first leg portion (8);—a wheel (13, 14) that is rotatable in relation to the second leg portion (9), and an electric motor (15, 16) that can rotate the wheel (13, 14) in relation to the second leg portion (9);—a transmission mechanism (17) designed to selectively transmit torque generated by the electric motor (15, 16) to the wheel (13, 14) in order to rotate the wheel in relation to the second leg portion (9) or to the second leg portion (9) in order to rotate the second leg portion (9) in relation to the first leg portion (8).Type: ApplicationFiled: June 16, 2016Publication date: June 21, 2018Inventors: Serge ROQUES, Francois GUILLOT
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Publication number: 20180170527Abstract: The invention relates to an aircraft landing gear (2) comprising: a leg (6) that can be pivotably connected to a load-bearing structure of the aircraft (1) in order for the landing gear (2) to be deployed and retracted; a wheel (13, 14) that is rotatable in relation to the leg (6), and an electric motor (15, 16) that can rotate the wheel (13, 14) in relation to the leg (6); a transmission mechanism (17) designed to selectively transmit torque generated by the electric motor (15, 16) to the wheel (13, 14) in order to rotate the wheel in relation to the leg (6) or to the leg (6) in order to rotate the leg (6) in relation to the load-bearing structure of the aircraft (1) in order to deploy or retract the landing gear (2).Type: ApplicationFiled: June 16, 2016Publication date: June 21, 2018Inventors: Serge ROQUES, Francois GUILLOT
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Publication number: 20180110149Abstract: The present invention concerns a backplane electronic board (20) having on inner face (142) suitable for bein g connected to electronic board connectors (12) and an outer face (143) suitable for being connected lo an outer connector (15), the backplane board (20) being characterised in that it has blind holes opening on ihe inner face (142) of some, and holes opening on the outer face (143) of same, the holes being suitable for receiving press-fit connection elements and forming therewith an electrical connection point.Type: ApplicationFiled: March 23, 2016Publication date: April 19, 2018Inventors: Francois GUILLOT, Pascal SPOOR, Patrice CHETANNEAU
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Patent number: 9948356Abstract: An electrical coupler includes: a sending transformer having a winding for receiving data signals and two windings connected in series with a common point and two terminals to be connected to a first wires pair of a bus to deliver the data signals at the first winding terminals to said wire pair; a receiving transformer having two windings connected in series with a common point and two terminals to be connected to a second pair of wires of said bus to receive data signals on the pair of wires and a winding for delivering said data signals; and a galvanic isolation transformer with a first winding, the terminals of which are connected to the coupler's power supply pins, and second and third windings connected in series with a common point connected to a mechanical ground and the respective free terminals connected to the common terminals of sending and receiving transformers.Type: GrantFiled: March 23, 2016Date of Patent: April 17, 2018Assignee: SAFRAN ELECTRONICS & DEFENSE SASInventor: François Guillot
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Publication number: 20180041249Abstract: An electrical coupler includes: a sending transformer having a winding for receiving data signals and two windings connected in series with a common point and two terminals to be connected to a first wires pair of a bus to deliver the data signals at the first winding terminals to said wire pair; a receiving transformer having two windings connected in series with a common point and two terminals to be connected to a second pair of wires of said bus to receive data signals on the pair of wires and a winding for delivering said data signals; and a galvanic isolation transformer with a first winding, the terminals of which are connected to the coupler's power supply pins, and second and third windings connected in series with a common point connected to a mechanical ground and the respective free terminals connected to the common terminals of sending and receiving transformers.Type: ApplicationFiled: March 23, 2016Publication date: February 8, 2018Applicant: SAFRAN ELECTRONICS & DEFENSE SASInventor: François GUILLOT
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Publication number: 20180041250Abstract: A power/data electrical coupler, designed to send over a two-wire bus or to receive therefrom data signals and to deliver to said two-wire bus or receive therefrom a power-supply potential. Such a coupler includes a transformer, a first winding of which and a second and third winding of which are connected in series with each other with a common terminal connected to a power supply line and the other two terminals to a two-wire bus. It also includes a second isolation transformer connected between said first transformer and said two-wire bus. According to the invention, said terminal common to said second and third windings is connected to said power supply line by means of a band-rejection filter rejecting one or more of the frequency bands including the resonant frequency or frequencies resulting from the association of the isolation transformer and the transformer.Type: ApplicationFiled: March 22, 2016Publication date: February 8, 2018Applicant: SAFRAN ELECTRONICS & DEFENSE SASInventor: François GUILLOT
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Patent number: 9873520Abstract: The invention provides an electrical power supply system for an aircraft, the system comprising: a first electrical power supply network (1) including a first alternator (10); a second electrical power supply network (2) including a second alternator (20); and secondary lines (40) united in at least a first group (41) such that they are connected via switches to a common first intermediate line (51), and in at least a second group (42) so as to be connected via switches to a common second intermediate line (52); the system including a control member (60) for controlling the electrical power supply networks, the control member being arranged to servo-control each of the alternators in current, the system being arranged in such a manner that the power supply outputs of the two electrical power supply networks are connected together prior to being connected to each intermediate line, each intermediate line thus being powered in parallel by the two electric power supply networks.Type: GrantFiled: July 20, 2015Date of Patent: January 23, 2018Assignee: Safran Electronics & DefenseInventor: François Guillot
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Patent number: 9783142Abstract: The invention relates to an electric circuit suitable for cutting off an electric power supply of an electrical device, said electric circuit receiving as input at least two discrete electrical signals, the values of which condition the power supply of the electrical device, the discrete electrical signals having a high state if the electrical device needs to be supplied: the electric circuit including a voltage source; a first cut-off unit connected between the electrical device and the voltage source, the first cut-off unit having an open or closed state in accordance with the discrete electrical signals; a second cut-off unit connected to the intersection between the electrical device and the first cut-off unit, and to an earth line, the second cut-off unit having a state that complements the first cut-off unit if the discrete electrical signals are in identical states, said first and second cut-off units being controlled such as to generate a short-circuit in the event of a divergence between the discreteType: GrantFiled: June 21, 2013Date of Patent: October 10, 2017Assignee: SAGEM DEFENSE SECURITEInventors: Patrick Valette, Francois Guillot
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Publication number: 20170225798Abstract: The invention provides an electrical power supply system for an aircraft, the system comprising: a first electrical power supply network (1) including a first alternator (10); a second electrical power supply network (2) including a second alternator (20); and secondary lines (40) united in at least a first group (41) such that they are connected via switches to a common first intermediate line (51), and in at least a second group (42) so as to be connected via switches to a common second intermediate line (52); the system including a control member (60) for controlling the electrical power supply networks, the control member being arranged to servo-control each of the alternators in current, the system being arranged in such a manner that the power supply outputs of the two electrical power supply networks are connected together prior to being connected to each intermediate line, each intermediate line thus being powered in parallel by the two electric power supply networks.Type: ApplicationFiled: July 20, 2015Publication date: August 10, 2017Inventor: François GUILLOT
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Patent number: 9520832Abstract: A connection device for connecting a first piece of electronic equipment to a second piece of electronic equipment, the device comprising two Ethernet type interfaces that are linked together by an up line and a down line and that are arranged for each of them to be linked to a respective one of the pieces of equipment and to transmit data in differential mode, two power supply modules, each associated with a respective one of the pieces of equipment and wired in common mode between the up and down lines in order to transmit a power supply carrier signal in alternating current, and two secondary transmission modules, each associated with a respective one of the power supply modules and arranged to enable data to be transmitted by modulating the power supply carrier signal.Type: GrantFiled: January 9, 2013Date of Patent: December 13, 2016Assignee: SAGEM DEFENSE SECURITEInventors: Christian Haury, Francois Guillot, Jean-Marie Courteille
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Patent number: 9459640Abstract: The invention concerns an electric circuit designed to control a power supply of a piece of electrical equipment, the electric circuit comprising a piece of electrical equipment and a source of supply voltage, and further having, as inputs, at least two discrete electrical signals of which the values condition the cutting off of the power supply to the piece of equipment, the circuit being characterized in that it further comprises:—a module for the redundant comparison of the discrete electric signals, comprising two branches for comparing said signals, parallel to one other, each branch being designed to supply, at the output, a control signal representative of each of the comparisons of said discrete electrical signals, and—a first module for cutting off the power supply to the piece of electrical equipment comprising two switches in series, each one being controlled respectively by one of the two control signals.Type: GrantFiled: December 11, 2013Date of Patent: October 4, 2016Assignee: SAGEM DEFENSE SECURITEInventors: Jean-Marie Courteille, Patrick Valette, Francois Guillot, Sonia Schindler
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Patent number: 9426913Abstract: Assembly for the electronic processing of data, comprising a central module and peripheral modules linked to the central module by electrical power supply and data links, the modules comprising: a processing unit, a memory, an input/output unit and an isolation of the power and data links; the central module furthermore comprising an electrical power supply unit for the peripheral modules, a common startup unit shared by the modules, and a star communication interface with the peripheral modules; each peripheral module furthermore comprising a serial link interface to the communication interface of the central module.Type: GrantFiled: April 3, 2012Date of Patent: August 23, 2016Assignee: SAGEM DEFENSE SECURITEInventors: Christian Haury, François Guillot, Jean-Marie Courteille
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Patent number: 9326410Abstract: The invention relates to a communication cartridge (1) characterized in that—it is adapted to be integrated in a removable manner into a recess (25) of a host equipment (2), during normal operation, an external front part (13) of the cartridge being intended to be external to the recess (25) of the host equipment (2), and in that—it comprises at least one front port, placed in an internal space of the cartridge (1) and intended to cooperate with a wireless communication module also placed in the internal space of the cartridge (1), during normal operation, the front port being moreover adapted to have an adjustable position in the internal space, so that the module is at least partially positioned in the external front part (13) of the cartridge (1), during normal operation. The invention also relates to an equipment, an assembly and a system corresponding thereto.Type: GrantFiled: July 12, 2012Date of Patent: April 26, 2016Assignee: SAGEM DEFENSE SECURITEInventors: Jean-Marie Courteille, Pierre Guivarch, Francois Guillot, Bruno Larois
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Patent number: 9276395Abstract: The invention relates to an electrical circuit adapted for cutting off an electrical supply to an electrical equipment, said electrical circuit receiving as input at least two discrete electrical signals xi, i=1, N, the electrical circuit comprising: —a voltage source; —a number N>1 cutoff units Ui connected together, i=1, . . . , N in series between the voltage source and the electrical equipment, and a last cutoff unit UN being connected to the electrical equipment, each cutoff unit Ui exhibiting an open or closed state as a function of an electrical control signal; the cutoff units Uj, j=1, N?1 upstream of the last cutoff unit UN each being controlled by a distinct discrete electrical signal xj, j=1, . . . , N?1, the last cutoff unit being controlled as a function of the state of the cutoff units Uj, j=1, . . . , N?1 upstream and a discrete electrical signal xN different from that controlling the upstream cutoff units Uj, j=1, N?1.Type: GrantFiled: June 21, 2013Date of Patent: March 1, 2016Assignee: SAGEM DEFENSE SECURITEInventors: Patrick Valette, Francois Guillot
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Patent number: 9257831Abstract: The invention relates to an electric circuit suitable for cutting off an electric power supply of an electric device, the circuit including an electrical device and a supply voltage source of the electrical device, also having as inputs at least two discrete electrical signals, the values of which condition the cutting off of the electric power supply of the device, the electric circuit being characterized in that same includes: at least two modules for cutting of the electric power supply connected between the voltage source and the electrical device, each module tar cutting off the electric power supply being controlled in accordance with the values of the discrete electrical signals; and at least two modules for comparing discrete electrical signals in parallel, in which at least one of the modules for cutting off the electric power supply is controlled by the outputs of the modules for comparing discrete signals.Type: GrantFiled: June 20, 2013Date of Patent: February 9, 2016Assignee: SAGEM DEFENSE SECURITEInventors: Patrick Valette, Francois Guillot
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Patent number: 9246466Abstract: A connection device for connecting an electrical member to a communications line comprising at least two conductors for carrying differential signals. The connection device includes at least one data exchange interface component connected to the line to send and/or receive data, and a connection for connecting the electrical member to the line.Type: GrantFiled: July 1, 2013Date of Patent: January 26, 2016Assignee: SAGEM DEFENSE SecuriteInventors: Francois Guillot, Jean-Marie Courteille, Maxime Goullier, Michel Nollet
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Publication number: 20150309519Abstract: The invention concerns an electric circuit designed to control a power supply of a piece of electrical equipment, the electric circuit comprising a piece of electrical equipment and a source of supply voltage, and further having, as inputs, at least two discrete electrical signals of which the values condition the cutting off of the power supply to the piece of equipment, the circuit being characterised in that it further comprises:—a module for the redundant comparison of the discrete electric signals, comprising two branches for comparing said signals, parallel to one other, each branch being designed to supply, at the output, a control signal representative of each of the comparisons of said discrete electrical signals, and—a first module for cutting off the power supply to the piece of electrical equipment comprising two switches in series, each one being controlled respectively by one of the two control signals.Type: ApplicationFiled: December 11, 2013Publication date: October 29, 2015Applicant: Sagem Defense SecuriteInventors: Jean-Marie Courteille, Patrick Valette, Francois Guillot, Sonia Schindler