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. 18, 2007
Filed:
May. 12, 2003
Applicants:
Masao Kato, Atsugi, JP;
Kazuo Fujiura, Atsugi, JP;
Takashi Kurihara, Atsugi, JP;
Shunichi Souma, Yamato, JP;
Inventors:
Masao Kato, Atsugi, JP;
Kazuo Fujiura, Atsugi, JP;
Takashi Kurihara, Atsugi, JP;
Shunichi Souma, Yamato, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 4/00 (2006.01); H04J 14/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an optical multiplexing communication system, a frequency conversion of the optical multiplexed signals having different amplitudes for different communication channels into a plurality of optical pulse sequences having different carrier frequencies for different communication channels is carried out, and the plurality of optical pulse sequences obtained by the frequency conversion are demultiplexed into optical pulse sequences for different communication channels.