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:
Sep. 02, 1997
Filed:
Feb. 09, 1996
Applicant:
Inventors:
Joseph E Killpatrick, Minneapolis, MN (US);
Theodore W Broberg, New Brighton, MN (US);
Timothy J Callaghan, Roseville, MN (US);
Leroy O Thielman, Shoreview, MN (US);
Rodney H Thorland, Shoreview, MN (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
356350 ; 372 19 ;
Abstract
Apparatus for improving the bias stability of a ring laser gyro by selecting a secondary transverse mode and controlling the path length of the gyro to maintain the selected mode.