FTTH system for broadcast/communication convergence using...

Details FTTH system for broadcast/communication convergence using... FTTH system for broadcast/communication convergence using...

2008-03-04

2008-03-04

Phan, Hanh (Department: 2613)

Optical communications

Multiplex

Broadcast and distribution system

C398S066000, C398S067000, C398S068000, C398S069000, C398S070000, C398S071000, C398S079000, C398S059000, C398S100000, C398S135000, C398S163000, C398S164000, C370S352000, C370S353000, C370S390000, C370S392000, C370S480000, C370S463000, C725S109000, C725S110000, C725S111000, C725S121000, C725S127000, C725S129000, C710S105000, C710S106000, C710S107000

Reexamination Certificate

active

07340171

ABSTRACT:
A broadcast/communication convergence system, and an FTTH (Fiber To The Home) system that can accommodate broadcast signals of various channels and variable band signals by converging broadcast and communication signals and transmitting the converged broadcast and communication signals using an IEEE 1394 transmission method serving as a standard interface in the FTTH system for broadcast/communication convergence. An OLT (Optical Line Terminal) transfers a plurality of broadcast signals and a communication signal received from external broadcast and communication providers through a single optical signal (A). An ONU (Optical Network Unit) receives the optical signal (A) from the OLT, separates the received optical signal into the plurality of broadcast signals and the communication signal, opto-electrically converts the plurality of broadcast signals and the communication signal, switches the converted broadcast signals subscriber by subscriber, combines the converted communication signal with the switched converted broadcast signals. The result is transferred to a corresponding subscriber through a single optical signal (B). A gateway at each subscriber is implemented by IEEE 1394 protocol to receive the optical signal (B) from the ONU, separate the received optical signal into the broadcast signals and the communication signal, and transfer the broadcast signals and the communication signal to a corresponding subscriber device.

REFERENCES:
patent: 6510152 (2003-01-01), Gerszberg et al.
patent: 7079717 (2006-07-01), Liu et al.
patent: 2000-013786 (2000-01-01), None

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