Timepiece including an electric power generator
December 4, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3849717 Analog electronic timepiece with charging function Mechanical-to-electrical energy converter Electronic wristwatch with generator Electronic wristwatch with generator Timepiece driven by a source of mechanical energy and regulated by an electric circuit Timepiece having a power reserve indicator Stabilising of an electronic circuit for regulating a mechanical movement of a timepiece Patent #: 5740131 InventorsAssigneeApplicationNo. 984992 filed on 12/04/1997US Classes:368/66, With power monitor368/204ElectricalExaminersPrimary: Miska, Vit W.Attorney, Agent or FirmForeign Patent References
International ClassesG04B 009/00G04B 001/00 Foreign Application Priority Data1996-12-09 CHAbstractTimepiece including:a spring (1a) housed in said barrel (1),an electric power generator (2) coupled to said barrel (1),a rectifier circuit (4) connected to said generator, anda regulator circuit (6) supplied by the direct voltage (Ua) from the rectifier circuit and intended to control the rotational speed of the generator (2).The rectifier circuit (4) comprises:a voltage doubler rectifier (20) connected to the output of the generator (2),a first capacitor (23) and a first diode (21) connected in series between said first output terminal (20a) of the rectifier (20) and the first output terminal (B2) of the generator (2), eta second capacitor (24) and a second diode (22) connected in series between the first output terminal (B2) of the generator (2) and the second output terminal (20a) of the rectifier (20)Other References
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