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:
Dec. 29, 2009

Filed:

Jan. 22, 2007
Applicants:

Taochuan Bruce Wang, Novi, MI (US);

Vyacheslav B. Birman, Auburn Hills, MI (US);

Werner Eckardt, Rochester, MI (US);

Inventors:

Taochuan Bruce Wang, Novi, MI (US);

Vyacheslav B. Birman, Auburn Hills, MI (US);

Werner Eckardt, Rochester, MI (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 11/28 (2006.01); G01D 11/00 (2006.01); G01D 13/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

An example light guide assembly for illuminating a display of an instrument cluster includes a light receiving portion, a light propagating portion and a reflective surface between the light receiving portion and the light propagating portion. The light receiving portion extends along a first axis, and the light propagating portion extends along a second axis which is transverse to the first axis. The reflective surface includes a stepped surface transverse to the reflective surface.


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