The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 25, 2007
Filed:
Dec. 15, 2004
Francois Gueissaz, Wavre, CH;
Francois Gueissaz, Wavre, CH;
Asulab S.A., Marin, CH;
Abstract
The invention concerns a timepiece including a mechanical power source () coupled, on the one hand, to first means () displaying time related information and, on the other hand, to a generator (), a regulator circuit () for enslaving the generator frequency to a reference frequency, said regulator circuit including switching means () arranged for electrically braking the generator when the generator frequency is higher than the reference frequency, and second power-reserve display means () controlled by means for measuring the power-reserve (), said timepiece being characterized in that it further includes means () for accumulating the electrical energy dissipated during the generator braking periods and means () for actuating said second display means to display the power-reserve by means of the electrical energy accumulated.