Anti-interference relay device for signal transmission

Details Anti-interference relay device for signal transmission Anti-interference relay device for signal transmission

2005-12-06

2005-12-06

Horabik, Michael (Department: 2635)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S425100, C398S126000

Reexamination Certificate

active

06972661

ABSTRACT:
An anti-interference relay device has a receiving module and a transmitting module. The receiving module modulates a received IR signal from a remote controller and an identification (ID) code of the receiving module to an RF signal and then broadcasts the RF signal. When the RF signal is demodulated by the transmitting module, the demodulated ID code is compared with a preset ID code. If the two ID codes are matched, the demodulated IR signal is allowed to output to control an appliance, otherwise the IR signal is ignored.

REFERENCES:
patent: 4864647 (1989-09-01), Harrington
patent: 5142397 (1992-08-01), Dockery
patent: 5815108 (1998-09-01), Terk
patent: 6400968 (2002-06-01), White et al.
patent: 6812594 (2004-11-01), Face et al.

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