Optical communications – Multiplex – Broadcast and distribution system
Reexamination Certificate
2004-04-16
2008-08-12
Phan, Hanh (Department: 2613)
Optical communications
Multiplex
Broadcast and distribution system
C398S066000, C398S067000, C398S068000, C398S069000, C398S070000, C398S071000, C398S059000, C398S075000, C398S076000, C398S079000, C398S098000, C398S099000, C398S100000, C398S045000, C398S048000, C370S468000, C370S466000, C370S390000, C370S395300, C370S395530, C370S352000, C370S389000, C370S399000, C370S432000, C370S420000, C725S121000, C725S127000, C725S129000, C725S109000, C725S110000
Reexamination Certificate
active
07412169
ABSTRACT:
A fiber to the home FTTH network for convergence of broadcasting and communication is disclosed. The network includes: an OLT for receiving and converting a first predetermined number of broadcast signals and an Ethernet signal into a plurality of converted optical signals, combining the converted optical signals into converged optical signals for subsequent transmission by an optical wavelength division multiplexing method; and an optical network unit (ONU) for classifying the optical signal transmitted from the OLT into the first predetermined number of broadcast signals and the Ethernet signal, switching a second predetermined number of broadcasting signals of the first predetermined number of broadcasting signals according to each SIU by channel selection information contained in upstream Ethernet information, and switching the Ethernet signal to be transmitted to the SIU according to each SIU so as to transmit the switched signal.
REFERENCES:
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patent: 6931013 (2005-08-01), Saikusa
patent: 2006/0067691 (2006-03-01), Hirano et al.
patent: 05-206985 (1993-08-01), None
T. Shiozaki et al.; “The Examination of the Function Extension by a WDM in a ATM-PON;” Proceeding of the 2001 IEICE General Conference; Mar. 26-29, 2001.
Cho Jae-Hun
Joo Young-Hun
Kim Chan-Yul
Koh Jun-Ho
Cha & Reiter LLC
Phan Hanh
Samsung Electronics Co,. Ltd.
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