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:
Jan. 24, 1995
Filed:
Feb. 01, 1993
Applicant:
Inventors:
Michael W Putty, East Detroit, MI (US);
David S Eddy, Washington, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01P / ; G01P / ; G01P / ;
U.S. Cl.
CPC ...
73505 ; 73504 ;
Abstract
A control circuit for a resonating rotation sensor has a pair of closed loop controls for independently controlling component traveling waves of a resonant pattern in a ring shaped resonant member. Frequency and phase quantities of the independent traveling waves as well as time dependant quantities thereof indicate total rotation angle, rotation raze and rotation direction.