Patents by Inventor Alain Bailly
Alain Bailly 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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Patent number: 11916492Abstract: The present description concerns a device for delivering a voltage from an AC voltage, comprising a capacitive element (120), two switches (132H, 132L) in a half-bridge between terminals of the capacitive element (120); terminals (102, 104) of application of the AC voltage; a transformer (160), comprising a first winding (162) coupling to a junction node (136) between the switches (132H, 132L) one of the terminals (104) of application of the AC voltage; and one or a plurality of circuits (170, 180, 140), configured to switch the switches (132H, 132L) and receive an AC current (I164) flowing through a second winding (164) of the transformer (160) and regulate the voltage delivered by the device by acting on a frequency of said AC current and/or on a phase shift of said AC current with respect to its reception.Type: GrantFiled: June 16, 2020Date of Patent: February 27, 2024Assignee: Commissariat à l'Energie Atomique et aux Energies AlternativesInventors: Alain Bailly, Dominique Bergogne, Thierry Bouchet
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Publication number: 20240007020Abstract: The present invention concerns an electronic device comprising: a first switch (T1) having a single voltage blocking direction; a second switch (T2) electrically in series with the first switch between two nodes (15, 17) of application of a DC voltage; and a module configured to supply the second switch with a control signal, referenced to the potential (COM) of a midpoint (16) between the two switches.Type: ApplicationFiled: November 29, 2021Publication date: January 4, 2024Inventors: Alain BAILLY, Dominique BERGOGNE
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Publication number: 20220255454Abstract: The present description concerns a device for delivering a voltage from an AC voltage, comprising a capacitive element (120), two switches (132H, 132L) in a half-bridge between terminals of the capacitive element (120); terminals (102, 104) of application of the AC voltage; a transformer (160), comprising a first winding (162) coupling to a junction node (136) between the switches (132H, 132L) one of the terminals (104) of application of the AC voltage; and one or a plurality of circuits (170, 180, 140), configured to switch the switches (132H, 132L) and receive an AC current (I164) flowing through a second winding (164) of the transformer (160) and regulate the voltage delivered by the device by acting on a frequency of said AC current and/or on a phase shift of said AC current with respect to its reception.Type: ApplicationFiled: June 16, 2020Publication date: August 11, 2022Inventors: Alain BAILLY, Dominique BERGOGNE, Thierry BOUCHET
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Patent number: 11114940Abstract: A half-bridge electronic device comprises a high level switch and a low level switch in series that are connected at a central point, and a first and a second synchronization system: • the first system comprising a first detection circuit configured to interpret a variation, following a falling edge, of the voltage (Vm) at the central point, and the first system being configured to generate a first synchronization signal (ATON-LS) for activating the low level switch; • the second system comprising a second detection circuit configured to interpret a variation, following a rising edge, of the voltage (Vm) at the central point, and the second system being configured to generate a second synchronization signal (ATON-HS) for activating the high level switch.Type: GrantFiled: May 17, 2018Date of Patent: September 7, 2021Assignee: ExaganInventors: Laurent Guillot, Thierry Sutto, Alain Bailly
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Publication number: 20200403508Abstract: A half-bridge electronic device comprises a high level switch and a low level switch in series that are connected at a central point, and a first and a second synchronization system: •the first system comprising a first detection circuit configured to interpret a variation, following a falling edge, of the voltage (Vm) at the central point, and the first system 040-being configured to generate a first synchronization signal (ATON-LS) for activating the low level switch; •the second system comprising a second detection circuit configured to interpret a variation, following a rising edge, of the voltage (Vm) at the central point, and the second system being configured to generate a second synchronization signal (ATON-HS) for activating the high level switch.Type: ApplicationFiled: May 17, 2018Publication date: December 24, 2020Applicants: Exagan, ExaganInventors: Laurent Guillot, Thierry Sutto, Alain Bailly
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Patent number: 9847655Abstract: A system comprises an electric battery having at least four elementary cells in series and at least two balancing modules each having first and second nodes connected by at least three cells of the battery, and a third node connected to an intermediate point of the series-association of the at least three cells, in which at least one of the first and second nodes of each module is not common to a first or second node of another module.Type: GrantFiled: January 10, 2014Date of Patent: December 19, 2017Assignee: EnerstoneInventors: Alain Bailly, Alexandre Chureau
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Publication number: 20150357842Abstract: A system comprises an electric battery having at least four elementary cells in series and at least two balancing modules each having first and second nodes connected by at least three cells of the battery, and a third node connected to an intermediate point of the series-association of the at least three cells, in which at least one of the first and second nodes of each module is not common to a first or second node of another module.Type: ApplicationFiled: January 10, 2014Publication date: December 10, 2015Inventors: Alain BAILLY, Alexandre CHUREAU
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Publication number: 20100279582Abstract: A miniature vehicle and associated track set system including: a track formed of sections placed end-to-end, each section including, across its thickness, at least one conductor taking part in the generation of a magnetic field; at least one first circuit of power supply and of generation of A.C. electric signals for exciting the conductors; and at least one miniature vehicle comprising: a first winding and a second winding having different orientations, likely to detect a magnetic field generated by the track; and at least one second electronic circuit receiving the respective amplitudes measured across the windings, programmed to determine the lateral position of the vehicle on the track.Type: ApplicationFiled: April 29, 2010Publication date: November 4, 2010Applicant: ABCONSULTINGInventor: Alain BAILLY
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Patent number: 7825645Abstract: The invention concerns a circuit for detecting an overload in a load supplied by a switched-mode power supply, comprising: a first comparator of a first voltage based on the supply voltage of the load relative to a first threshold, supplying a regulating signal to a pulse generator controlling the switched-mode power supply; a second comparator of a second voltage relative to a second threshold, supplying a signal indicating the presence of an overload; and means for automatically controlling said second voltage by a third threshold lower than the second and higher than the first, and for deactivating the second comparator as long as said automatic control is maintained.Type: GrantFiled: February 6, 2007Date of Patent: November 2, 2010Assignee: STMicroelectronics SAInventor: Alain Bailly
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Publication number: 20070200610Abstract: The invention concerns a circuit for detecting an overload in a load supplied by a switched-mode power supply, comprising: a first comparator of a first voltage based on the supply voltage of the load relative to a first threshold, supplying a regulating signal to a pulse generator controlling the switched-mode power supply; a second comparator of a second voltage relative to a second threshold, supplying a signal indicating the presence of an overload; and means for automatically controlling said second voltage by a third threshold lower than the second and higher than the first, and for deactivating the second comparator as long as said automatic control is maintained.Type: ApplicationFiled: February 6, 2007Publication date: August 30, 2007Applicant: STMicroelectronics S.A.Inventor: Alain Bailly
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Patent number: 7054171Abstract: The invention concerns a control circuit (20) of a switch (6) chopping a voltage supply of a primary winding of a power converter transformer, comprising means (45) for detecting the current in the switch in closed state after a predetermined time following each closure of said switch, and a comparator (40) of said current relative to a threshold (Ilim), the result of said comparator being taken into account for a predetermined time interval close to the beginning of a closing cycle of said chopping switch.Type: GrantFiled: September 28, 2000Date of Patent: May 30, 2006Assignee: STMicroelectronics S.A.Inventors: Alain Bailly, Jean Barret
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Patent number: 6650179Abstract: An error amplifier providing an analog error signal, including an operational amplifier, an output terminal of which controls an active load of discharge of a resistive and capacitive network supplied by a reference current source, and circuitry for copying the reference current in an input resistor, a terminal of which receives a measurement signal and the other terminal of which is connected to a non-inverting input of the operational amplifier, the error signal being available across the resistive and capacitive network.Type: GrantFiled: October 5, 2001Date of Patent: November 18, 2003Assignee: STMicroelectronics S.A.Inventors: Alain Bailly, Lionel Esteve
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Patent number: 6590789Abstract: A voltage converter including a circuit for controlling a switch for providing current to a primary winding of a transformer with inverted phase points, a secondary winding of which is associated with a capacitor for providing a regulated D.C. output voltage and an auxiliary winding of which provides a supply voltage of the control circuit. The average value of the voltage across the auxiliary winding close to the end of its demagnetization periods.Type: GrantFiled: October 31, 2001Date of Patent: July 8, 2003Assignee: STMicroelectronics S.A.Inventor: Alain Bailly
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Publication number: 20020093839Abstract: A voltage converter including a circuit for controlling a switch for providing current to a primary winding of a transformer with inverted phase points, a secondary winding of which is associated with a capacitor for providing a regulated D.C. output voltage and an auxiliary winding of which provides a supply voltage of the control circuit. The average value of the voltage across the auxiliary winding close to the end of its demagnetization periods.Type: ApplicationFiled: October 31, 2001Publication date: July 18, 2002Inventor: Alain Bailly
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Publication number: 20020070800Abstract: An error amplifier providing an analog error signal, including an operational amplifier, an output terminal of which controls an active load of discharge of a resistive and capacitive network supplied by a reference current source, and circuitry for copying the reference current in an input resistor, a terminal of which receives a measurement signal and the other terminal of which is connected to a non-inverting input of the operational amplifier, the error signal being available across the resistive and capacitive network.Type: ApplicationFiled: October 5, 2001Publication date: June 13, 2002Inventors: Alain Bailly, Lionel Esteve
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Patent number: 6212082Abstract: The present invention relates to a supply circuit with a storage capacitor and a method of control of this circuit including, across a rectifying bridge, a storage capacitor associated with a charge path and with a discharge path, in which the duration of charge periods of the storage capacitor is set, at least at steady state, to a predetermined duration.Type: GrantFiled: June 17, 1998Date of Patent: April 3, 2001Assignee: SGS-Thomson Microelectronics S.A.Inventor: Alain Bailly
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Patent number: 6181972Abstract: A lead with an increased impedance for an active implantable medical device, in particular for a pacemaker. The lead comprises a cylindrical body (14) presenting at its distal end a contact surface (30) for making contact with the endocardium, which is electrically insulated, and a stimulation electrode (16), which is electrically conducting and which is connected to a conductor of the lead. The electrode (16) has at least one active element (22), for example, a plurality of protuberances (22), each one presenting at least an exposed extremity tip (26) having a hemispherical area, making a ledge compared to the contact surface (i.e., protruding) therefrom. The active element presents on at least a part of its exposed extremity to be placed in contact with the endocardium a radius of curvature less than 0.5 mm, more preferably less than or equal to 0.3 mm.Type: GrantFiled: April 12, 1999Date of Patent: January 30, 2001Inventors: Dominique Guedeney, Alain Bailly
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Patent number: 6046916Abstract: A device for providing a high d.c. voltage supply and a low d.c. voltage supply. The device includes, in parallel, a first diode connected in series with a capacitor, a rectifier having a polarity opposite to that of the first diode, and a breakover voltage limiter. The terminals of the low d.c. voltage source correspond to the terminals of the capacitor.Type: GrantFiled: July 25, 1997Date of Patent: April 4, 2000Assignee: SGS-Thomson Microelectronics S.A.Inventors: Luc Wuidart, Alain Bailly
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Patent number: 5998942Abstract: The present invention relates to a device for starting and supplying a fluorescent tube, including a resonant system connected to the tube and to a rectified supply circuit with a switch in series. A first detector controls the switch to turn off when the current provided by the supply exceeds a determined threshold; and a second detector controls the switch to turn on for each transition through zero of the voltage on a node of the resonant system and for each transition through a minimum of this voltage.Type: GrantFiled: September 4, 1997Date of Patent: December 7, 1999Assignee: SGS-Thomson Microelectronics S.A.Inventor: Alain Bailly
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Patent number: 5986417Abstract: A circuit and method for controlling the speed of a universal motor driven by an AC source is disclosed. The method includes the steps of measuring a value of a temporal property of a current through the motor and determining a speed of rotation of the universal motor using the temporal property. The method for controlling the speed of the universal motor further includes comparing the determined speed of rotation with a desired speed of rotation and adjusting the current through the motor so that the speed of the motor approaches the desired speed of rotation.Type: GrantFiled: April 25, 1996Date of Patent: November 16, 1999Assignee: SGS-Thomson Mocroelectronics S.A.Inventors: Jean Nicolai, Alain Bailly