Patents by Inventor Pierre Rolland
Pierre Rolland 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: 11456671Abstract: A controller is disclosed for a voltage regulator module including a power unit and providing an output current, Iout, at an output voltage, Vout, from an input current/voltage and being configured for use in a multi-module voltage regulator having a neighbouring voltage regulator module having a respective output connected in parallel, the controller comprising: a reference voltage source for providing a reference voltage; a current balancing unit, configured to receive a respective output current from the or each neighbouring voltage regulator module and to determine an adjusted reference voltage, from the reference voltage and for balancing the output current with the at least one respective output current; and a control unit configured to use the adjusted reference voltage to control the voltage regulator module, to provide the output current at the output voltage from the input current at the input voltage, based on adaptive voltage positioning regulation.Type: GrantFiled: December 2, 2020Date of Patent: September 27, 2022Assignees: NXP USA, Inc., L'INSTITUT NATIONAL POLYTECHNIQUE DE TOULOUSEInventors: Guillaume Jacques Léon Aulagnier, Miguel Mannes Hillesheim, Eric Pierre Rolland, Philippe Goyhenetche, Marc Michel Cousineau
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Patent number: 11334108Abstract: A power management integrated circuit comprises a modular interleaved clock generator comprising a plurality of interconnected modular elements, each element constructed to generate and output a clock signal, and each one comprising: a phase port high input; a phase port low input; a clock input; and a bypass switch coupled between the phase port high input and the phase port low input, wherein in response to the bypass switch of at least one of the plurality of elements in a closed state, the phase port high inputs or the phase port low inputs of the remaining elements absent the at least one interleaving controller having the bypass switch in the closed state each receives a voltage that interleaves the clock signals output from the remaining active elements to have an interleaving arrangement that includes equal phase delays.Type: GrantFiled: March 18, 2021Date of Patent: May 17, 2022Assignee: NXP USA, INC.Inventors: Miguel Mannes Hillesheim, Marc Michel Cousineau, Eric Pierre Rolland, Philippe Goyhenetche, Guillaume Jacques Léon Aulagnier
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Patent number: 11316519Abstract: A controller for a switched mode power converter (SMPC) module for use in a multiphase SCMP is disclosed, comprising: a signal generator, configured to generate a periodic signal and a clock, both having a frequency and a signal phase, and for controlling the switched mode power converter module; a first-clock and second-clock inputs configured to receive respective first-clock and second-clock signal having the frequency and respective first and second phases from neighbouring controllers; and wherein the signal generator comprises a phase adjustment circuit configured to adjust the phase of the periodic signal so as to be equidistant from the first and second phase, wherein the phase adjustment circuit determines an error signal in dependence on an offset between the phase and a mid-point between the first phase and the second phase, and a feedback circuit configured to adjust the phase in dependence on the error signal.Type: GrantFiled: December 2, 2020Date of Patent: April 26, 2022Assignee: NXP USA, INC.Inventors: Miguel Mannes Hillesheim, Marc Michel Cousineau, Eric Pierre Rolland, Philippe Goyhenetche, Guillaume Jacques Léon Aulagnier
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Publication number: 20210333819Abstract: A power management integrated circuit comprises a modular interleaved clock generator comprising a plurality of interconnected modular elements, each element constructed to generate and output a clock signal, and each one comprising: a phase port high input; a phase port low input; a clock input; and a bypass switch coupled between the phase port high input and the phase port low input, wherein in response to the bypass switch of at least one of the plurality of elements in a closed state, the phase port high inputs or the phase port low inputs of the remaining elements absent the at least one interleaving controller having the bypass switch in the closed state each receives a voltage that interleaves the clock signals output from the remaining active elements to have an interleaving arrangement that includes equal phase delays.Type: ApplicationFiled: March 18, 2021Publication date: October 28, 2021Inventors: Miguel Mannes Hillesheim, Marc Michel Cousineau, Eric Pierre Rolland, Philippe Goyhenetche, Guillaume Jacques Léon Aulagnier
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Patent number: 11045085Abstract: An optometry device for testing an individual's eye includes: a casing; an imaging module located in the casing and adapted to produce a light beam directed to the individual's eye; and a refraction module adapted to provide a variable optical correction to the individual's eye looking there through into the casing. The optometry device includes an illumination system adapted to produce a variable ambient light level inside the casing.Type: GrantFiled: September 20, 2017Date of Patent: June 29, 2021Assignee: Essilor InternationalInventors: Michel Nauche, Stéphane Boutinon, Vincent Tejedor Del Rio, Joel Batisse, Christophe Condat, Pierre Rolland, Didier Grand-Clement
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Publication number: 20210175806Abstract: A controller is disclosed for a voltage regulator module including a power unit and providing an output current, Iout, at an output voltage, Vout, from an input current/voltage and being configured for use in a multi-module voltage regulator having a neighbouring voltage regulator module having a respective output connected in parallel, the controller comprising: a reference voltage source for providing a reference voltage; a current balancing unit, configured to receive a respective output current from the or each neighbouring voltage regulator module and to determine an adjusted reference voltage, from the reference voltage and for balancing the output current with the at least one respective output current; and a control unit configured to use the adjusted reference voltage to control the voltage regulator module, to provide the output current at the output voltage from the input current at the input voltage, based on adaptive voltage positioning regulation.Type: ApplicationFiled: December 2, 2020Publication date: June 10, 2021Inventors: Guillaume Jacques Léon Aulagnier, Miguel Mannes Hillesheim, Eric Pierre Rolland, Philippe Goyhenetche, Marc Michel Cousineau
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Publication number: 20210167780Abstract: A controller for a switched mode power converter (SMPC) module for use in a multiphase SCMP is disclosed, comprising: a signal generator, configured to generate a periodic signal and a clock, both having a frequency and a signal phase, and for controlling the switched mode power converter module; a first-clock and second-clock inputs configured to receive respective first-clock and second-clock signal having the frequency and respective first and second phases from neighbouring controllers; and wherein the signal generator comprises a phase adjustment circuit configured to adjust the phase of the periodic signal so as to be equidistant from the first and second phase, wherein the phase adjustment circuit determines an error signal in dependence on an offset between the phase and a mid-point between the first phase and the second phase, and a feedback circuit configured to adjust the phase in dependence on the error signal.Type: ApplicationFiled: December 2, 2020Publication date: June 3, 2021Inventors: Miguel Mannes Hillesheim, Marc Michel Cousineau, Eric Pierre Rolland, Philippe Goyhenetche, Guillaume Jacques Léon Aulagnier
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Publication number: 20200393204Abstract: The invention is directed to devices and methods to a heat storage capacity device having at least one body having an encapsulation made of one or more polymer layers defining a hollowed volume filled with PCM and at least one coaxial device surrounding the entire length of the at least one PCM filled body; and uses thereof.Type: ApplicationFiled: December 21, 2018Publication date: December 17, 2020Inventor: Loic Pierre Rolland
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Patent number: 10766231Abstract: Disclosed is a multilayer film comprising a first surface layer comprising a cross-linked, partially neutralized copolymer of ethylene and one or more ?,?-unsaturated C3 to C8 carboxylic acid, and a second surface layer comprising a polyamide; a use of such multilayer film for, for example, decorating a substrate such as for example a ski, snowboard or skate board; as well as a ski comprising such coextruded multilayer film. Also disclosed is a process for decorating a substrate comprising coextruding a multilayer film comprising the first surface layer and the second surface layer comprising a polyamide; irradiating the coextruded multilayer film to cross-link the film; printing a decorative element on the second surface layer comprising a polyamide; cutting the multilayer film; contacting the second surface layer of the multilayer film with a surface to be decorated on a substrate; laminating, e.g., by heat, the multilayer film to the surface to be decorated.Type: GrantFiled: October 25, 2013Date of Patent: September 8, 2020Assignee: PERFORMANCE MATERIALS NA, INC.Inventors: Loic Pierre Rolland, Aurelien Barrois
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Patent number: 10606329Abstract: An integrated circuit comprising: an input terminal configured to receive a failure-event-signal representative of a failure event; a first output terminal configured to provide a first-failure-signal; and a second output terminal configured to provide a second-failure-signal; and a processing block configured to: set the first-failure-signal based on the failure-event-signal; and set the second-failure-signal, at a predetermined time interval after the first-failure-signal is set. The processing block further comprises a switch configured selectively, based on a received digital-error-signal to either: set the second-failure-signal based on a digital-counter-output-signal; or set the second-failure-signal based on an analogue-trigger-signal.Type: GrantFiled: March 17, 2017Date of Patent: March 31, 2020Assignee: NXP USA, Inc.Inventors: Philippe Mounier, Eric Pierre Rolland, Guillaume Founaud, Maxime Clairet
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Publication number: 20200071587Abstract: The invention provides processes for making a coaxial device by simultaneously extruding a polymer encapsulation layer defining a hollowed area and filling the hollowed area with PCM composition in liquid form. The invention is useful for thermal management in a variety of applications in such as, for example, automotive, building, packaging, garments, and footwear.Type: ApplicationFiled: May 1, 2018Publication date: March 5, 2020Inventors: Loic Pierre ROLLAND, Laurent CHARREL
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Publication number: 20200015672Abstract: An optometry device for testing an individual's eye includes: a casing; an imaging module located in the casing and adapted to produce a light beam directed to the individual's eye; and a refraction module adapted to provide a variable optical correction to the individual's eye looking there through into the casing. The optometry device includes an illumination system adapted to produce a variable ambient light level inside the casing.Type: ApplicationFiled: September 20, 2017Publication date: January 16, 2020Inventors: Michel NAUCHE, Stéphane BOUTINON, Vincent TEJEDOR DEL RIO, Joel BATISSE, Christophe CONDAT, Pierre ROLLAND, Didier GRAND-CLEMENT
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Publication number: 20190330508Abstract: The invention provides processes for making a coaxial device by simultaneously extruding a polymer encapsulation layer defining a hollowed area and filling the hollowed area with PCM composition in liquid form. The invention is useful for thermal management in a variety of applications in such as, for example, automotive, building, packaging, garments, and footwear.Type: ApplicationFiled: April 30, 2018Publication date: October 31, 2019Inventors: Loic Pierre Rolland, Laurent Charrel
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Patent number: 10435606Abstract: Disclosed is a cable comprising a core and a PCM layer surrounding the core wherein the PCM layer consists of a PCM composition wherein the PCM composition comprises a PCM and an ethylene copolymer; and the core consists of a yarn, strand, or wire each made of a natural or synthetic polymeric material or a metal. The invention is useful for thermal management in a variety of applications in such as, for example, automotive, building, packaging, garments, and footwear.Type: GrantFiled: April 28, 2015Date of Patent: October 8, 2019Assignee: Performance Materials NA, INC.Inventors: Loic Pierre Rolland, Jacques Andre, Jacques Roulin
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Patent number: 10435550Abstract: Disclosed is a vapor permeable composition comprising a copolymer comprising copolymerized units of ethylene and copolymerized units of a comonomer providing an amine-reactive site; a short chain polymer having one primary amine active amine site, and comprising propylene oxide, ethylene oxide, or mixture thereof. The composition is useful as a vapor barrier for moisture control of buildings. Also disclosed are articles comprising the vapor permeable composition and methods of their use.Type: GrantFiled: December 18, 2014Date of Patent: October 8, 2019Assignee: PERFORMANCE MATERIALS NA, INC.Inventors: Richard T Chou, Loic Pierre Rolland
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Publication number: 20190299740Abstract: The present invention relates to the field of Phase Change Material (PCM) for thermal management in different applications like for example automotive, building, packaging, garments and footwear. The cable of the present invention comprises at least two sections wherein a first section A of the cable comprises a core, a PCM layer surrounding the core and one or more layer(s) of a protective polymer surrounding the PCM layer and a section B comprising a core, a thermoplastic polymer layer and one or more layer(s) of a protective polymer surrounding the thermoplastic polymer layer wherein the PCM layer consists of a PCM composition; the core consists of a filament, yarn, strand or wire made of a natural or synthetic polymeric material or a metal; and the thermoplastic polymer layer consists of a thermoplastic polymer composition.Type: ApplicationFiled: June 8, 2017Publication date: October 3, 2019Inventor: Loic Pierre Rolland
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Publication number: 20180334775Abstract: A phase change material (PCM) is useful for thermal management in various applications such as automotive, building, packaging, garments, and footwear, and in devices such as wires and cables. The cable described herein comprises a core and a PCM layer surrounding the core. The PCM layer comprises a PCM composition, which in turn comprises a 1,3-propanediol fatty acid ester. The core consists of a yarn, strand or wire made of a natural or synthetic polymeric material or a metal.Type: ApplicationFiled: November 3, 2015Publication date: November 22, 2018Inventor: Loic Pierre Rolland
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Patent number: 10014289Abstract: An ESD protection circuit and device structure comprises five transistors, two PNP and three NPN. The five transistors are coupled together so that a first NPN and PNP pair constitute a first silicon controlled rectifier, SCR. The NPN transistor 102 of the first SCR and a third transistor of NPN type are coupled so that they constitute a Darlington pair. A further NPN and PNP pair are coupled together to form a second SCR with the collector of the PNP transistor of the first SCR being coupled with the emitter of the PNP transistor of the second SCR. The circuit is particularly suitable for high voltage triggering applications and two or more devices may be cascaded in series in order to further increase the triggering voltage.Type: GrantFiled: November 22, 2013Date of Patent: July 3, 2018Assignee: NXP USA, Inc.Inventors: Patrice Besse, Jean-Philippe Laine, Eric Pierre Rolland
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Publication number: 20170344089Abstract: An integrated circuit comprising: an input terminal configured to receive a failure-event-signal representative of a failure event; a first output terminal configured to provide a first-failure-signal; and a second output terminal configured to provide a second-failure-signal; and a processing block configured to: set the first-failure-signal based on the failure-event-signal; and set the second-failure-signal, at a predetermined time interval after the first-failure-signal is set. The processing block further comprises a switch configured selectively, based on a received digital-error-signal to either: set the second-failure-signal based on a digital-counter-output-signal; or set the second-failure-signal based on an analogue-trigger-signal.Type: ApplicationFiled: March 17, 2017Publication date: November 30, 2017Inventors: Philippe MOUNIER, Eric Pierre ROLLAND, Guillaume FOUNAUD, Maxime CLAIRET
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Publication number: 20170045301Abstract: Disclosed is a cable comprising a core and a PCM layer surrounding the core wherein the PCM layer consists of a PCM composition wherein the PCM composition comprises a PCM and an ethylene copolymer; and the core consists of a yarn, strand, or wire each made of a natural or synthetic polymeric material or a metal. The invention is useful for thermal management in a variety of applications in such as, for example, automotive, building, packaging, garments, and footwear.Type: ApplicationFiled: April 28, 2015Publication date: February 16, 2017Inventors: Loic Pierre ROLLAND, Jacques ROULIN, Jacques ANDRE