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 6671430 B1

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

Filed:

Oct. 12, 2001
Applicant:
Inventor:

Teruhiro Kubo, Richardson, TX (US);

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/28 ;
U.S. Cl.
CPC ...
G02B 6/28 ;
Abstract

There are provided an optical device, a terminal station apparatus and a system for wavelength division multiplex. An optical device comprises a WDM port, a specific port to which is allocated an intermediate wavelength between a long-wavelength group and a short-wavelength group, a plurality of ports to which are allocated those wavelength groups described above, and first to fourth optical filters.


Find Patent Forward Citations

Quick Actions:

Kubo, Teruhiro. (2003). Optical device, terminal apparatus, and system for wavelength division multiplexing (U.S. Patent No. 6671430). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6671430

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…