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:
Jul. 07, 2009
Filed:
Oct. 13, 2005
Applicants:
Keiji Tanaka, Saitama, JP;
Noboru Edagawa, Saitama, JP;
Inventors:
Keiji Tanaka, Saitama, JP;
Noboru Edagawa, Saitama, JP;
Assignee:
KDDI Corporation, Toyko, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 14/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention is applied to a PON system including an optical line terminal (OLT) at a center station, a plurality of optical network units (ONUs) at subscribers' sites, and an optical transmission line shared by the plurality ONUs to optically connect between the OLT and the plurality of ONUs. Each of the ONUs requests the OLT to assign a logical link according to start-up of an application.