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:
Jul. 04, 2006
Filed:
Apr. 25, 2001
Kuninori Shino, Tokyo, JP;
Yoshinobu Kure, Kanagawa, JP;
Kazuyoshi Horie, Tokyo, JP;
Youichi Toriumi, Tokyo, JP;
Yoshifumi Masuda, Nara, JP;
Kazuhito Nagura, Nara, JP;
Kuninori Shino, Tokyo, JP;
Yoshinobu Kure, Kanagawa, JP;
Kazuyoshi Horie, Tokyo, JP;
Youichi Toriumi, Tokyo, JP;
Yoshifumi Masuda, Nara, JP;
Kazuhito Nagura, Nara, JP;
Sony Corporation, , JP;
Sharp Kabushiki Kaisha, , JP;
Abstract
An optical communication apparatus in which bidirectional communication may be made over a sole optical fiber. A light emitting device () radiates light through an optical system () to an optical fiber (). The light transmitted from the optical fiber () is received over optical system () by a light receiving device (). In the optical system (), such a relationship S−2QN≧M>S/2Q−N is set, where M is the light volume of the stray light emitted, Q is the value of a Q-value representing the communication quality as required, S is the light volume of a received signal from a communication partner and N is the sum total of the Gaussian noise.