Optical communications – Transmitter and receiver system – Passive system
Reexamination Certificate
2005-02-01
2005-02-01
Phan, Hanh (Department: 2633)
Optical communications
Transmitter and receiver system
Passive system
C398S058000, C398S067000, C398S069000, C398S070000, C398S071000, C398S072000, C398S098000, C398S100000, C370S468000, C370S395100, C370S395430, C370S442000, C370S447000, C370S229000, C370S230000, C370S432000, C370S437000, C725S138000, C725S105000
Reexamination Certificate
active
06850711
ABSTRACT:
A passive optical network (PON) including an optical line termination (OLT) and a plurality of optical network units (ONUs) which are connected. The optical line termination includes a band setting control section; an upstream control cell receiving section; a use right transmitting section; and a downstream control cell transmitting section. Each of the plurality of optical network units includes a downstream control cell receiving section; a use right acquisition determining section; and an upstream control cell transmitting section.
REFERENCES:
patent: 6633541 (2003-10-01), Hijikata et al.
patent: 6747990 (2004-06-01), Umayabashi et al.
patent: 0 961 522 (1999-12-01), None
patent: 11-98151 (1999-04-01), None
patent: 11-187037 (1999-07-01), None
patent: 11-215146 (1999-08-01), None
patent: 11-355301 (1999-12-01), None
patent: 2000-4461 (2000-01-01), None
patent: 2000-188603 (2000-07-01), None
patent: WO 99 23791 (1999-05-01), None
NEC Corporation
Phan Hanh
Sughrue & Mion, PLLC
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