Infrared remote control system for activating and deactivating o

Details Infrared remote control system for activating and deactivating o Infrared remote control system for activating and deactivating o

1987-07-01

1989-07-18

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

H04B 900

Patent

active

048500402

ABSTRACT:
An infrared remote control system for allowing a console to control the operation of a plurality of remote devices all situated in the same substantially enclosed space, for example, a hotel room. The console includes several simultaneously-operated infrared transmitters, the transmitters being aimed in different directions. Remote devices respond to respective codes, but some also retransmit received radiation so that the console can gain access even to remote devices which are not along a line of sight.

REFERENCES:
patent: 4402090 (1983-08-01), Gfeller et al.
patent: 4673911 (1987-06-01), Yoshida
patent: 4706412 (1987-11-01), Seymour et al.
patent: 4717913 (1988-01-01), Elcar

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