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. 10, 2000
Filed:
Sep. 29, 1998
Tae Su Yang, Incheon, KR;
Daewoo Telecom Ltd., Incheon, KR;
Abstract
A bidirectional optical fiber amplifier includes a first and a second transmitters for generating a first and a second signal lights, respectively, a first and a second receivers for receiving the first and the second signal lights, respectively, a fiber amplifier for amplifying the first and the second signal lights, a first optical circulator for transmitting the first signal light from the first transmitter to the fiber amplifier and for transmitting the second signal light from the fiber amplifier to the second receiver, a second optical circulator for transmitting the first signal light from the fiber amplifier to the first receiver and for transmitting the second signal light from the second transmitter to the fiber amplifier and a pair of optical pumps for pumping the fiber amplifier.