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:
Feb. 17, 2004
Filed:
Oct. 17, 2000
Tetsuzo Yoshimura, Kawasaki, JP;
Takeshi Ishitsuka, Kawasaki, JP;
Katsusada Motoyoshi, Kawasaki, JP;
Satoshi Tatsuura, Kawasaki, JP;
Wataru Sotoyama, Kawasaki, JP;
Koji Tsukamoto, Kawasaki, JP;
Yasuhiro Yoneda, Kawasaki, JP;
Tomoaki Hayano, Kawasaki, JP;
Azuma Matsuura, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An optical circuit system which takes out at least a portion of the light of a light power source corresponding to at least one type of output voltage of an IC, board, multichip module, electronic element, or opto-electronic element and produces an optical signal, wherein the light power source is an optical waveguide into which light has been introduced, a waveguide laser, or a waveguide optical amplifier, light reflecting portions are provided at its ends and/or middle, a signal transmission waveguide is formed in contact with the side surface and/or top or bottom surface of the optical waveguide or in proximity to the same at a certain distance, and the optical signal corresponding to at least one type of output voltage of the IC, board, multichip module, electronic element, or opto-electronic element is made to propagate to the signal transmission waveguide, which optical circuit system is rich in flexibility and enables complicated optical interconnections to be handled, and components of the same.