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:
Dec. 25, 2012
Filed:
Sep. 18, 2008
Junichi Kani, Makuhari, JP;
Yukihiro Fujimoto, Makuhari, JP;
Ryogo Kubo, Makuhari, JP;
Mitsumasa Okada, Makuhari, JP;
Junichi Kani, Makuhari, JP;
Yukihiro Fujimoto, Makuhari, JP;
Ryogo Kubo, Makuhari, JP;
Mitsumasa Okada, Makuhari, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
ONUA for P-P includes a signal-type discriminating unitA that discriminates whether a type of a downstream signal transmitted from OLT is for the P-P or not, and outputs an enable/disable control signal that controls an optical transmitter to an enable state or a disable state, and a control unitthat controls the optical transmitter to the enable state or the disable state according to the enable/disable control signal, wherein the signal-type discriminating unitA outputs to the control unita disable control signal that controls the optical transmitter to the disable state under an initial state before the type of the downstream signal is discriminated, and outputs to the control unitan enable control signal that controls the optical transmitter to the enable state after the downstream signal is discriminated to be for the P-P.