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 8897644 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 25, 2014

Filed:

Jun. 28, 2012
Applicants:

Jun Sugawa, Kamakura, JP;

Daisuke Mashimo, Tachikawa, JP;

Hiroki Ikeda, Hachioji, JP;

Inventors:

Jun Sugawa, Kamakura, JP;

Daisuke Mashimo, Tachikawa, JP;

Hiroki Ikeda, Hachioji, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/00 (2013.01); H04J 3/16 (2006.01); H04J 14/02 (2006.01); H04B 10/272 (2013.01);
U.S. Cl.
CPC ...
H04J 3/1694 (2013.01); H04J 14/025 (2013.01); H04J 14/0246 (2013.01); H04J 14/0267 (2013.01); H04B 10/272 (2013.01); H04J 14/0221 (2013.01);
Abstract

Technology to provide linked control of bandwidth allocation to a plurality of optical network units among the plural wavelengths by a bandwidth allocation section coupled to the plural optical network units.


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