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:
Apr. 25, 1989
Filed:
Jun. 25, 1982
Applicant:
Inventors:
Wah L Lim, Anaheim, CA (US);
Francis H Zeman, New Brighton, MN (US);
Assignee:
Honeywell Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
356350 ; 372 33 ; 372107 ;
Abstract
Disclosed is an improved method and apparatus for providing lock-in error reduction in ring laser angular rate sensors. Two independent feed back control systems are employed to independently alter the laser path of a ring laser angular rate sensor so as to obtain a minimum lock-in rate.