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:
Nov. 10, 1998
Filed:
Aug. 09, 1996
Tetsuzo Yoshimura, Kawasaki, JP;
Wataru Sotoyama, Kawasaki, JP;
Takeshi Ishitsuka, Kawasaki, JP;
Koji Tsukamoto, Kawasaki, JP;
Shigenori Aoki, Kawasaki, JP;
Satoshi Tatsuura, Kawasaki, JP;
Katsusada Motoyoshi, Kawasaki, JP;
Yasuhiro Yoneda, Kawasaki, JP;
Fujitsu Limited, Kanagawa, JP;
Abstract
An active optical circuit sheet or active optical circuit board wherein an electro optical switch or optical modulator is driven with a voltage (SIGin) from an electronic device, the electrical signal (SIGin) is converted to an optical signal, transmitted and then converted to an electrical signal (SIGout) at an optical receiver element, and an electrical connection is formed between an optical wiring board and the electronic device for transmission of signals to another or the same electronic device, separating the electrical wiring at the electronic device end and the optical wiring at the optical wiring board end, or alternatively, SIGin and SIGout electrode pads are provided on the side of the optical wiring board on which the optical device is mounted or on the opposite side, for connection with the electronic device.