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:
Dec. 11, 2001
Filed:
Apr. 22, 1999
Jean-Jacques Born, Morges, CH;
Pierre-André Farine, Neuchâtel, CH;
Philippe Passeraub, Oberrief, CH;
Asulab S.A., Bienne, CH;
Abstract
Timepiece including a clockwork movement (,) provided with an analogue display (,). The wheel (,) includes a plate (,) with a toothing (,) defined by its external edge and a shaft (,). A device for detecting the angular position of the wheel (,) includes a magnetic or capacitive sensor (,) whose detection element, in particular a flat spiral coil (,), is used for detecting a variation in presence of the material, in particular a non magnetic conductive metal, forming the plate (,). The plate has at least one opening (,) situated in the intermediate region thereof between a central hole (,), and the tooth (,). The opening (,) defines a reference geometric semi-axis of the wheel (,) whose angular position is determined by the detection device provided.