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.

Date of Patent:
Jun. 04, 2019

Filed:

Dec. 23, 2016
Applicant:

Eta SA Manufacture Horlogere Suisse, Grenchen, CH;

Inventors:

Pascal Lagorgette, Bienne, CH;

Matthieu Tardivon, Renens, CH;

Rene Rufener, Bienne, CH;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04C 3/00 (2006.01); G04C 3/14 (2006.01); G01D 5/241 (2006.01); G01D 5/24 (2006.01); G01R 27/26 (2006.01);
U.S. Cl.
CPC ...
G04C 3/14 (2013.01); G01D 5/2412 (2013.01); G04C 3/002 (2013.01); G04C 3/146 (2013.01); G01D 5/24 (2013.01); G01D 5/241 (2013.01); G01R 27/26 (2013.01);
Abstract

A timepiece includes a timepiece movement provided with an analog display and at least one wheel rotating integrally with a rotary indicator of the analog display. The wheel includes an electrically conductive plate pierced with at least one aperture. The timepiece also includes a device for detection of a reference angular position of the aperture. The detection device includes a first electrode, a second electrode, and a common electrode which are planar and arranged in a plane parallel to the wheel. The common electrode is arranged along portions of the first electrode and of the second electrode. The aperture is at least partially above or below: the first electrode in a first position of disequilibrium; the first electrode and the second electrode in a position of equilibrium; and the second electrode in a second position of disequilibrium.


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