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:
Nov. 17, 2015
Filed:
Sep. 20, 2013
Applicant:
The Swatch Group Research and Development Ltd, Marin, CH;
Inventors:
Thierry Hessler, St-Aubin, CH;
Francois Gueissaz, Wavre, CH;
Michel Willemin, Preles, CH;
Jean-Claude Martin, Montmollin, CH;
Assignee:
The Swatch Group Research and Development Ltd, Marin, CH;
Primary Examiner:
Int. Cl.
CPC ...
G04B 17/06 (2006.01);
U.S. Cl.
CPC ...
G04B 17/06 (2013.01); G04B 17/066 (2013.01);
Abstract
A watch or timepiece regulating member includes a balance, a balance-cock, at least one light energy source, and at least one balance spring attached between the balance and the balance-cock. The balance spring is made of quartz or of glass or of ceramic or is partially transparent to visible and/or ultraviolet wavelengths or made of an at least partially amorphous material and transmits and diffuses light emitted by the light energy source.