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.:
Date of Patent:
Sep. 15, 2009
Filed:
Dec. 20, 2006
Applicants:
Toshiki Sugawara, Kokuburji, JP;
Kazuhiko Hosomi, Tachikawa, JP;
Satoshi Makio, Kumagaya, JP;
Inventors:
Assignee:
Hitachi Metals Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/12 (2006.01); H04J 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides: (1) a compensator that compensates a wide range of amount of dispersion of light in a wide bandwidth band; and (2) a variable dispersion slope compensator applicable to the case where a transmission path suitable for a wavelength division multiplexing transmission system produces a wavelength dispersion slope.