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.:

US 6626583 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 30, 2003

Filed:

Feb. 21, 2002
Applicant:
Inventors:

Keizo Sakamoto, Kawasaki, JP;

Takashi Shiotani, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/38 ;
U.S. Cl.
CPC ...
G02B 6/38 ;
Abstract

An optical multiplexer/demultiplexer module including a first ferrule assembly having a first sleeve and a first ferrule inserted and fixed in the first sleeve, the first ferrule having first and second optical fibers; a first element fixed to the first ferrule assembly, the first element having a first lens and a bandpass filter; and a second element fixed to the first element, the second element having a wedge plate for optical path correction, the wedge plate being formed of glass. The optical multiplexer/demultiplexer module further includes a third element fixed to the second element, the third element having a second lens; and a second ferrule assembly fixed to the third element, the second ferrule assembly having a second sleeve and a second ferrule inserted and fixed in the second sleeve, the second ferrule having a third optical fiber.


Find Patent Forward Citations

Sakamoto, Keizo. (2003). Optical multiplexer/demultiplexer module and production method therefor (U.S. Patent No. 6626583). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6626583

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