Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Reexamination Certificate
2006-03-31
2009-12-08
Edouard, Patrick N. (Department: 2617)
Telecommunications
Transmitter
Power control, power supply, or bias voltage supply
C455S130000, C455S101000, C455S102000, C455S103000
Reexamination Certificate
active
07630694
ABSTRACT:
Disclosed is a remote access unit for transmitting and receiving upstream and downstream data in which channels having different transmission scheme are multiplexed, and an optical network for bi-directional wireless communication using same. The remote access unit includes an antenna for receiving the downstream data and wirelessly transmitting same and for receiving the upstream data and providing same to the remote access unit, a switch for outputting downstream time division channels of the downstream data to the antenna and for receiving upstream time division channels of the upstream data from the antenna, and a controller for controlling the switch in order to prevent the upstream and downstream time division channels from overlapping.
REFERENCES:
patent: 6018520 (2000-01-01), Okada
Hwang Seong-Taek
Kim Byung-Jik
Kim Hoon
Kim Sang-Ho
Kim Sung-Kee
Cha & Reiter LLC
Edouard Patrick N.
Phuong Dai A
Samsung Electronics Co,. Ltd.
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