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:
Oct. 28, 2003
Filed:
Nov. 09, 2000
Applicant:
Inventor:
Takahiro Numai, Naka-gun, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 1/966 ;
U.S. Cl.
CPC ...
G01C 1/966 ;
Abstract
To make a time averaged value of a driving current small. After a current I of a first current value not less than an oscillation threshold is injected to a semiconductor laser gyro, a current I of a second current value smaller than the first current value is injected.
Numai, Takahiro. (2003). Ring laser gyro and driving method therefor with improved driving current (U.S. Patent No. 6639680). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6639680
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile