Multiplex communications – Fault recovery
Reexamination Certificate
2006-07-25
2010-11-16
Nguyen, Hanh (Department: 2473)
Multiplex communications
Fault recovery
C398S001000
Reexamination Certificate
active
07835268
ABSTRACT:
An optical termination system is provided. The optical termination system includes a working Optical Line Terminal (OLT) that communicates with a plurality of Optical Network Units (ONUs) near end users through an optical transmission line. The OLT includes a control information storage to store control information of the plurality of ONUs. In addition, the optical termination system includes a standby OLT, which includes a storage to store the control information to be transmitted from the working OLT. Furthermore, the optical termination system includes a controller that controls switching from the working OLT to the standby OLT.
REFERENCES:
patent: 6438707 (2002-08-01), Ronstrom
patent: 7061858 (2006-06-01), Di Benedetto et al.
patent: 2002/0051455 (2002-05-01), Lee et al.
patent: 2002/0063918 (2002-05-01), Kaiser et al.
patent: 2004/0062256 (2004-04-01), Takeuchi et al.
patent: 2004/0141745 (2004-07-01), Han et al.
patent: 63-146626 (1988-06-01), None
patent: 04-003633 (1992-01-01), None
patent: 5-136733 (1993-06-01), None
patent: 2977344 (1999-09-01), None
patent: 11-275008 (1999-10-01), None
patent: 2002-222160 (2002-08-01), None
patent: 2002-281109 (2002-09-01), None
patent: 2003-051765 (2003-02-01), None
patent: 2003-244179 (2003-08-01), None
Abstract of Japanese Publication JP5136733, published Jun. 1, 1993 and, therefore, corresponding Japan Patent No. 2977344, in the name of Ikuo.
Office action cited in corresponding Japanese Application No. 2005-220033, dated Jun. 30, 2010, 2pp.
Japanese Office action dated Sep. 28, 2010, for corresponding Japanese Patent application 2005-220033, noting listed references in this IDS, as well as JP 04-003633 and JP 2002-222160, previously filed in an IDS dated Jul. 16, 2010.
Christie Parker & Hale LLP
KDDI Corporation
Nguyen Hanh
LandOfFree
Optical termination system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical termination system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical termination system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4246660