Patents by Inventor Olivier Hunziker
Olivier Hunziker 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: 11822289Abstract: Disclosed is a method including: a) obtaining a substrate extending in a predetermined plane with a first layer parallel to the plane; b) forming a through-hole in the first layer; c) depositing a second layer on the first, the second layer filling the a through-hole to form a bridge of material; d) etching a hairspring in an etching layer made up of the second layer or the substrate, the one of the second layer and the substrate in which the a hairspring is not etched constituting a support, the bridge of material connecting the hairspring to the support perpendicular to the predetermined plane; e) removing the first layer, the hairspring remaining attached to the support by the bridge of material; f) subjecting the hairspring to a thermal treatment; and g) detaching the hairspring from the support.Type: GrantFiled: February 21, 2019Date of Patent: November 21, 2023Assignee: CSEM CENTRE SUISSE D'ELECTRONIQUE ET DE MICROTECHNIQUE SA—RECHERCHE ET DEVELOPPEMENTInventors: Michel Despont, Frédéric Kohler, Olivier Hunziker, Jean-Luc Bucaille
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Publication number: 20230136065Abstract: The method for manufacturing a timepiece component is capable of thermocompensating a functional assembly including the timepiece component. The method includes at least the following actions: a) providing (e1) a substrate (1) of semiconductor or metallic material; b) proceeding with the deposition (e2) of a polycrystalline or monocrystalline silicon layer (5) on the substrate (1); c) releasing (e4) the timepiece component (10) from the substrate (1).Type: ApplicationFiled: February 18, 2021Publication date: May 4, 2023Applicant: ROLEX SAInventors: Jean-Luc Bucaille, Olivier Hunziker, Frédéric Kohler
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Patent number: 11073798Abstract: A bearing (1a) for guiding a timepiece shaft about an axis, notably a guide bearing for a portion of a timepiece resonator shaft, comprising at least one pressing element (13a) arranged in such a way as to constantly exert an action on the shaft, radially or substantially radially with respect to the axis.Type: GrantFiled: March 26, 2018Date of Patent: July 27, 2021Assignee: ROLEX SAInventors: Raphaël Cettour-Baron, Olivier Hunziker, Léonard Testori
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Publication number: 20200379408Abstract: Disclosed is a method including: a) obtaining a substrate extending in a predetermined plane with a first layer parallel to the plane; b) forming a through-hole in the first layer; c) depositing a second layer on the first, the second layer filling the a through-hole to form a bridge of material; d) etching a hairspring in an etching layer made up of the second layer or the substrate, the one of the second layer and the substrate in which the a hairspring is not etched constituting a support, the bridge of material connecting the hairspring to the support perpendicular to the predetermined plane; e) removing the first layer, the hairspring remaining attached to the support by the bridge of material; f) subjecting the hairspring to a thermal treatment; and g) detaching the hairspring from the support.Type: ApplicationFiled: February 21, 2019Publication date: December 3, 2020Inventors: Michel DESPONT, Frédéric KOHLER, Olivier HUNZIKER, Jean-Luc BUCAILLE
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Patent number: 10539926Abstract: A balance spring for an oscillator of a timepiece, wherein it comprises a component part, in particular at least a coil or a portion of a coil, provided with heavily doped silicon having an ion density greater than or equal to 1018 at/cm3, in order to permit the thermo-compensation of the oscillator.Type: GrantFiled: October 17, 2016Date of Patent: January 21, 2020Assignee: ROLEX SAInventors: Richard Bossart, Olivier Hunziker
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Publication number: 20190271946Abstract: A process for manufacturing a timepiece oscillator made up of a balance and of at least two spring portions that are arranged in parallel, which includes (a) choosing the frequency f of the oscillator, (b) choosing a balance and spring portions so that the inertia of the balance and the angular stiffnesses of the spring portions allow an oscillator of chosen frequency f to be formed and so that the variations in angular stiffness of the spring portions as a function of temperature are able to thermo-compensate the oscillator, and (c) assembling the chosen spring portions with the chosen balance.Type: ApplicationFiled: February 22, 2019Publication date: September 5, 2019Applicant: ROLEX SAInventor: Olivier Hunziker
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Method for fabrication of a balance spring of a predetermined stiffness by local removal of material
Patent number: 10338528Abstract: The invention relates to a method for fabrication of a balance spring of a predetermined stiffness comprising the steps of fabricating a balance spring in dimensions of increased thickness, determining the stiffness of the balance spring formed in step a) in order to remove, locally, a volume of material, in order to obtain the balance spring having the dimensions necessary for said predetermined stiffness.Type: GrantFiled: November 18, 2016Date of Patent: July 2, 2019Assignee: CSEM Centre Suisse d'Electronique et de Microtechnique SA—Recherche et developpementInventors: Frederic Kohler, Jean-Luc Bucaille, Olivier Hunziker -
Patent number: 10324418Abstract: The invention relates to a method for fabrication of a balance spring of a predetermined stiffness comprising the steps of fabricating a balance spring in dimensions to obtain a deliberately lower stiffness, determining the stiffness of the balance spring formed in step a) in order to compensate for said missing thickness of material required to obtain the balance spring having the dimensions necessary for said predetermined stiffness.Type: GrantFiled: December 8, 2016Date of Patent: June 18, 2019Assignee: CSEM Centre Suisse d'Electronique et de Microtechnique SA-Recherche et développementInventors: Frederic Kohler, Jean-Luc Bucaille, Olivier Hunziker
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Patent number: 10120341Abstract: A method for determining an imbalance characteristic of a hairspring (5) balance (4) oscillator (3) of a timepiece movement (2), the method comprising at least the following steps: —Setting the hairspring balance oscillator in an oscillating motion at at least two amplitudes, —Determining, for each amplitude and for at least two positions of the oscillator, a piece of data representative of the oscillation period of the oscillator, —Using the data from the previous step to calculate the imbalance characteristic of the hairspring balance oscillator.Type: GrantFiled: June 25, 2013Date of Patent: November 6, 2018Assignee: ROLEX SAInventors: Richard Bossart, Marc Cerutti, Frédéric Burger, Olivier Hunziker, Denis Favez
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Publication number: 20180284698Abstract: A bearing (1a) for guiding a timepiece shaft about an axis, notably a guide bearing for a portion of a timepiece resonator shaft, comprising at least one pressing element (13a) arranged in such a way as to constantly exert an action on the shaft, radially or substantially radially with respect to the axis.Type: ApplicationFiled: March 26, 2018Publication date: October 4, 2018Applicant: ROLEX SAInventors: Raphaël Cettour-Baron, Olivier Hunziker, Léonard Testori
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METHOD FOR FABRICATION OF A BALANCE SPRING OF A PREDETERMINED STIFFNESS BY LOCAL REMOVAL OF MATERIAL
Publication number: 20170176941Abstract: The invention relates to a method for fabrication of a balance spring of a predetermined stiffness comprising the steps of fabricating a balance spring in dimensions of increased thickness, determining the stiffness of the balance spring formed in step a) in order to remove, locally, a volume of material, in order to obtain the balance spring having the dimensions necessary for said predetermined stiffness.Type: ApplicationFiled: November 18, 2016Publication date: June 22, 2017Applicant: CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et developpementInventors: Frederic KOHLER, Jean-Luc BUCAILLE, Olivier HUNZIKER -
Publication number: 20170176942Abstract: The invention relates to a method for fabrication of a balance spring of a predetermined stiffness comprising the steps of fabricating a balance spring in dimensions to obtain a deliberately lower stiffness, determining the stiffness of the balance spring formed in step a) in order to compensate for said missing thickness of material required to obtain the balance spring having the dimensions necessary for said predetermined stiffness.Type: ApplicationFiled: December 8, 2016Publication date: June 22, 2017Applicant: CSEM Centre Suisse d'Electronique et de Microtechnique SA-Recherche et developpementInventors: Frederic KOHLER, Jean-Luc BUCAILLE, Olivier HUNZIKER
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Publication number: 20170108831Abstract: A balance spring for an oscillator of a timepiece, wherein it comprises a component part, in particular at least a coil or a portion of a coil, provided with heavily doped silicon having an ion density greater than or equal to 1018 at/cm3, in order to permit the thermo-compensation of the oscillator.Type: ApplicationFiled: October 17, 2016Publication date: April 20, 2017Applicant: ROLEX SAInventors: Richard Bossart, Olivier Hunziker
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Publication number: 20150338829Abstract: A method for determining an imbalance characteristic of a hairspring (5) balance (4) oscillator (3) of a timepiece movement (2), the method comprising at least the following steps: —Setting the hairspring balance oscillator in an oscillating motion at at least two amplitudes, —Determining, for each amplitude and for at least two positions of the oscillator, a piece of data representative of the oscillation period of the oscillator, —Using the data from the previous step to calculate the imbalance characteristic of the hairspring balance oscillator.Type: ApplicationFiled: June 25, 2013Publication date: November 26, 2015Applicant: ROLEX SAInventors: Richard Bossart, Marc Cerutti, Frédéric Burger, Olivier Hunziker, Denis Favez
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Patent number: 9081365Abstract: A regulating system (110) for a horology movement (12) comprising a first sub-system (11) including: a first oscillator (O111) which includes a first balance (B111) and a first balance spring (S111); a first element (M111) for displacement of the first balance spring (S111); and a first element (A111) for activation of the first displacement element (M111), at an instant, or substantially at an instant, when the speed of the first balance (B111) is zero.Type: GrantFiled: November 14, 2014Date of Patent: July 14, 2015Assignee: ROLEX SAInventors: Raoul Behrend, Fabiano Colpo, Olivier Hunziker
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Publication number: 20150138933Abstract: A regulating system (110) for a horology movement (12) comprising a first sub-system (11) including: a first oscillator (O111) which includes a first balance (B111) and a first balance spring (S111); a first element (M111) for displacement of the first balance spring (S111); and a first element (A111) for activation of the first displacement element (M111), at an instant, or substantially at an instant, when the speed of the first balance (B111) is zero.Type: ApplicationFiled: November 14, 2014Publication date: May 21, 2015Applicant: ROLEX SAInventors: Raoul Behrend, Fabiano Colpo, Olivier Hunziker