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:
Oct. 19, 1999

Filed:

Mar. 27, 1997
Applicant:
Inventors:

Michio Oba, Tokyo, JP;

Yasunari Kawabata, Tokyo, JP;

Mitsuzo Arii, Tokyo, JP;

Kuniaki Jinnai, Tokyo, JP;

Nobuhiko Tsuji, Yokosuka, JP;

Takeshi Kobayashi, Hino, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 47 ; 385 24 ;
Abstract

A reflective type optical signal distributor comprising, in a housing (2), a plurality of optical input/output units (3) functioning as input and output terminals for an optical signal, an optical circuit assembly (6) for reflecting and separating the optical signal, and a plurality of guide optical fibers (8) for connecting the plurality of optical signals entering any one of the plurality of optical input/output units (3) and the optical circuit assembly (6), whereby an optical input/output units (3) is substantially equally distributed to all other ones of the plurality of optical input and output units (3), the optical circuit assembly (6) comprising an optical circuit in which a plurality of independent branched optical waveguides (22) merge into a single main optical waveguide (21), a reflective surface (4) formed at an end of the main waveguide (21), and the plurality of guide optical fibers (8) being connected to the corresponding plurality of independent branched optical waveguides (22).


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