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:
May. 02, 2006
Filed:
Sep. 21, 2005
Applicants:
Pascal Winkler, Saint-Blaise, CH;
Gian-carlo Poli, Les Geneveys-sur-Coffrane, CH;
Joachim Grupp, Enges, CH;
Inventors:
Pascal Winkler, Saint-Blaise, CH;
Gian-Carlo Poli, Les Geneveys-sur-Coffrane, CH;
Joachim Grupp, Enges, CH;
Assignee:
Asulab S.A., Marin, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 11/28 (2006.01); G04B 19/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light source () is housed in a housing () of a case, underneath the dial () opposite a guide () directing the light onto a reflector (), formed in a hollow in the internal or external face of a crystal () the thickness of which decreases regularly from the center to the periphery thereof for reorienting the light by total internal reflection into the crystal () until it emerges towards the dial () when the maximum refractive index is exceeded.