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:
Jun. 04, 1996
Filed:
Aug. 04, 1994
Shin'ichi Nakatsuka, Hino, JP;
Susumu Saito, Hachioji, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
A laser diode capable of having the position and emitting direction of its laser beam readily varied as desired through control over injected currents. The laser diode has an independent current injecting region in a waveguide (intermediate region) near the mirror facet of the laser diode, the center axis of the current injecting region differing from that of another waveguide (straight region). Suitably modulating the currents injected into the current injecting region generates a desired refractive index profile, whereby beam scan is obtained as desired.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile