Video transmission and control system utilizing internal...

H - Electricity – 04 – M

Patent

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H04M 11/00 (2006.01) H04H 20/81 (2009.01) H04M 11/06 (2006.01) H04N 7/10 (2006.01) H04N 7/14 (2006.01) H04N 7/18 (2006.01)

Patent

CA 2020841

ABSTRACT OF THE DISCLOSURE A video transmission system for facilitating transmission of video and control signals, particularly infrared remote control signals, between different locations in a residence using existing telephone wiring. Simultaneous transmission of signals of both types over active telephone lines is possible without interference with telephone communications. Transmis- sion succeeds without requiring special treatement of the video signals beyond RF conversion, despite signal attenuation inherent in transmission over the telephone line media. Two or more video sources may be tied into the system, and selected as desired. Remote control signals generated in one room may be utilized without requiring a clear line of sight between the remote control device and the receiver.

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