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.

Date of Patent:
Apr. 25, 2006

Filed:

Mar. 17, 2003
Applicants:

Tsutomu Hamada, Kanagawa, JP;

Takeshi Kamimura, Kanagawa, JP;

Kazuhiro Suzuki, Kanagawa, JP;

Kazuhiro Sakai, Kanagawa, JP;

Masashi Hisada, Kanagawa, JP;

Inventors:

Tsutomu Hamada, Kanagawa, JP;

Takeshi Kamimura, Kanagawa, JP;

Kazuhiro Suzuki, Kanagawa, JP;

Kazuhiro Sakai, Kanagawa, JP;

Masashi Hisada, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/28 (2006.01); H04B 10/20 (2006.01); H04B 7/212 (2006.01);
U.S. Cl.
CPC ...
Abstract

Master node #and a plurality of slave nodes #to #are connected to one another via a plurality of optical couplers. Each of the nodes is controlled so that signal transmission between the nodes by a bus connection and a link connection is conducted via the optical couplers. In the link connection, the master node transmits bit signals corresponding to the number of the slave nodes. Each of the slave nodes transmits a bit signal with allocating the signal to a predetermined bit.


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