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. 25, 2004
Filed:
Jan. 11, 2002
Applicant:
Inventors:
Mark J. Miller, Grand Blanc, MI (US);
Raymond Lippmann, Howell, MI (US);
Ronald K. Selby, Flint, MI (US);
Gail M. Sylvester, Frankenmuth, MI (US);
Assignee:
Delphi Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 5/24 ; G01D 1/128 ;
U.S. Cl.
CPC ...
G08B 5/24 ; G01D 1/128 ;
Abstract
An apparatus and method sensing the absolute position of a gauge. A pointer having a predefined rotation with a circular travel pattern. At least one light emitting diode that generates an optical signal. An optical sensor placed in a fixed position along the circular travel pattern of the pointer. A pointer driver for driving the pointer.