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. 22, 1991
Filed:
Aug. 02, 1990
Applicant:
Inventor:
Eiichi Nishimura, Tokyo, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
359179 ; 359156 ; 359122 ;
Abstract
In a system of optical repeated transmission having a signal transmission path for transmitting signal light, and an optical repeater disposed in the signal transmission path, and directly amplifying the signal light, the amplification factor of the repeater is not dependent on the direction of polarization of the signal light that is input to it.
Nishimura, Eiichi. (1991). Optical repeated transmission method and system (U.S. Patent No. 5060301). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5060301
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile