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公开(公告)号：US20230185242A1
公开(公告)日：2023-06-15
申请号：US17939511
申请日：2022-09-07
CPC分类号： G04B17/063 , G04B17/066 , G04B17/227
摘要： The piezoelectric balance spring (3) is provided for a circuit (10) for self-regulating an oscillation frequency of an oscillating mechanical system (2, 3), or an energy recovery circuit or a motor circuit for actuating the movement or for the automatic maintenance thereof. The piezoelectric balance spring (3) comprises at least one piezoelectric layer (7, 7′, 17, 17′, 27, 27′) disposed on a top face (20) or bottom face of a certain number of coils of the spring in a plane, and at least two pairs of electrodes (8a, 8b, 8c, 8d), whereby the electrodes of each pair are disposed on two opposing faces of the same piezoelectric layer or respectively two piezoelectric layers so as to apply a reverse bias voltage on each pair of electrodes.
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公开(公告)号：US11415941B2
公开(公告)日：2022-08-16
申请号：US16061561
申请日：2016-12-14
申请人： NOVASORT SA
发明人： Karsten Fraessdorf
摘要： Some embodiments are directed to adjusting the oscillation frequency of an oscillating system for a watch movement, including: selecting a hairspring, selecting a balance belonging to a predetermined class, without a balance rim, at least two weight elements for balancing in a predetermined batch, pairing the hairspring with the balance and the at least two weight elements, measuring an oscillation frequency of the oscillating system including the hairspring, the balance and the at least two weight elements, and selecting at least one of a balance of another class or of the at least two weight elements of another batch if the measured oscillation frequency does not correspond to a desired oscillation frequency.
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公开(公告)号：US11334028B2
公开(公告)日：2022-05-17
申请号：US16831894
申请日：2020-03-27
申请人： Nivarox-FAR S.A.
发明人： Christian Charbon
摘要： A method for manufacturing a balance spring intended to equip a balance of a horological movement, including a step of producing a blank made of a Nb—Zr alloy including between 10 and 30 wt % Zr, a step of annealing and cooling the blank, at least one step of deforming the annealed blank in order to form a wire, wherein, before the deformation step, a step of depositing, on the blank, a layer of a ductile material chosen from copper, nickel, cupronickel, cupro-manganese, gold, silver, nickel-phosphorus Ni—P and nickel-boron Ni—B, in order to facilitate the wire shaping operation, the thickness of the ductile material layer deposited being chosen such that the ratio of the area of ductile material to the area of the alloy for a given wire cross-section is less than 1, preferably less than 0.5, and more preferably lies in the range 0.01 to 0.4.
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公开(公告)号：US11300926B2
公开(公告)日：2022-04-12
申请号：US16982418
申请日：2019-03-21
申请人： Nivarox-FAR S.A.
发明人： Pierre Cusin , Marco Verardo
摘要： A process for fabricating a hairspring having a final stiffness includes the steps of fabricating a hairspring to thickened dimensions, and determining the initial stiffness of the hairspring formed in order to remove the volume of material to obtain the hairspring having the dimensions required for said final stiffness.
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公开(公告)号：US20210018873A1
公开(公告)日：2021-01-21
申请号：US16931497
申请日：2020-07-17
发明人： Yutaka YAMAZAKI
摘要： A watch includes a chargeable power supply, a crystal oscillation circuit including a crystal oscillator and an oscillation circuit and configured to stop oscillating when a power supply voltage falls below an oscillation stop voltage and to start oscillating when the power supply voltage exceeds an oscillation start voltage, which is higher than the oscillation stop voltage, and a divider circuit that outputs a reference signal by dividing an oscillation signal output from the oscillation circuit. The watch also includes a temperature compensation circuit that performs a temperature compensation function operation that compensates for variation of the reference signal due to a temperature, a first voltage detection circuit that detects that the power supply voltage exceeded a first voltage that is set higher than the oscillation start voltage, and a control circuit that starts the temperature compensation function operation of the temperature compensation circuit when the first voltage detection circuit detects that the power supply voltage exceeded the first voltage, and subsequently continues the temperature compensation function operation even when the power supply voltage falls below the first voltage.
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公开(公告)号：US10795317B2
公开(公告)日：2020-10-06
申请号：US16012274
申请日：2018-06-19
申请人： Nivarox-FAR S.A.
发明人： Christian Charbon
IPC分类号： G04B17/06 , G04B1/14 , C21D1/18 , C21D9/02 , C22C14/00 , C22C27/02 , F16F1/02 , F16F1/10 , G04B17/22
摘要： A spiral timepiece spring with a two-phase structure, made of a niobium and titanium alloy, and method for manufacturing this spring, including producing a binary alloy containing niobium and titanium, with niobium: the remainder to 100%; titanium between 45.0% and 48.0% by mass of the total, traces of components among O, H, C, Fe, Ta, N, Ni, Si, Cu, Al, of between 0 and 1600 ppm by mass of the total individually, and less than 0.3% by mass combined; applying deformations alternated with heat treatments until a two-phase microstructure is obtained including a solid solution of niobium with β-phase titanium and a solid solution of niobium with α-phase titanium, the α-phase titanium content being greater than 10% by volume, with an elastic limit higher than 1000 MPa, and a modulus of elasticity higher than 60 GPa and less than 80 GPa; wire drawing to obtain wire able to be calendered; calendering or winding.
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公开(公告)号：US09903049B2
公开(公告)日：2018-02-27
申请号：US15045159
申请日：2016-02-16
发明人： Ho Ching , Pui Hang Ko
CPC分类号： C30B29/06 , C30B33/12 , G04B1/145 , G04B17/066 , G04B17/227
摘要： A torque-restoring element for an oscillator for a mechanical timepiece and having an oscillator frequency, said torque restoring element comprising a spiral spring body having a number N turnings with an inner terminal end for engagement with a rotational inertial element via a collet, and an outer terminal for engagement with a stationary cock element, and having a width, a height and a total arc length; wherein the spiral spring body includes a core formed from mono-crystalline silicon wafer oriented along the crystallographic axis ; and wherein the spiral spring body includes at least one peripheral coating of a material having a thermal elastic constant different from that of the core of the spiral spring body so as to maintain the oscillator frequency an oscillator including the torque-restoring element substantially insensitive to variations of ambient temperature.
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公开(公告)号：US20180004164A1
公开(公告)日：2018-01-04
申请号：US15536063
申请日：2015-12-18
申请人： Marc André JEANNERET
摘要： The invention concerns an oscillator for a timepiece movement, comprising a staff rigidly connected to a balance carrying first and second bipolar magnets spaced apart from the staff and capable, depending on the angular position of the balance, of being positioned alternately within range of a magnetic field produced by a fixed bipolar magnet, the latter being located on the trajectory of the first and second bipolar magnets and being arranged in such a way that, when one of the bipolar magnets approaches the fixed bipolar magnet, identical polarities are located opposite each other in order to produce a repulsive force. The oscillator further comprises a pallet assembly and an escape wheel for establishing a kinematic connection between a source of energy of the timepiece movement and the balance staff, and arranged in such a way that the balance is capable of having a sustained periodic oscillating movement of an amplitude greater than 90 degrees.
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公开(公告)号：US20170255164A1
公开(公告)日：2017-09-07
申请号：US15422671
申请日：2017-02-02
申请人： MONTRES BREGUET S.A.
发明人： ALAIN ZAUGG , DAVIDE SARCHI
CPC分类号： G04B17/222 , G04B17/063 , G04B17/227
摘要： A balance wheel including a rim connected to a hub with at least one arm, wherein the balance wheel includes an adjustable auxiliary temperature compensation system mounted in the space defined by the rim to allow adjustable temperature compensation of the balance wheel.
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10.发明授权Oscillating body, mechanical oscillating system for wristwatches with such an oscillating body and watch with such an oscillating system 有权振动体，具有这种摆动体的手表的机械摆动系统以及具有这种振荡系统的手表公开(公告)号：US09164485B2
公开(公告)日：2015-10-20
申请号：US14077636
申请日：2013-11-12
申请人： DAMASKO GMBH
发明人： Petra Damasko
CPC分类号： G04B17/063 , G04B17/227 , G04B18/006
摘要： An oscillating body made of a copper alloy such as a copper-beryllium alloy or a tungsten-copper alloy for mechanical oscillating systems of wristwatches, having several mass weights arranged at regular angle distances around an oscillating body middle axis that respectively can rotate or swivel on the oscillating body on an axis parallel to the oscillating body axis and have a mass center of gravity that is radially offset to their axis.
摘要翻译： 由诸如铜 - 铍合金或钨 - 铜合金的铜合金制成的用于手表机械振荡系统的振荡体，其具有围绕摆动体中轴线以规则的角度距离布置的几个质量重量，分别可旋转或旋转 所述振动体在平行于所述振动体轴线的轴线上并且具有径向偏离其轴线的质量重心。
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