Wireless infrared remote control extender

Details Wireless infrared remote control extender Wireless infrared remote control extender

1987-12-18

1989-09-05

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455601, 455606, 455617, H04B 900

Patent

active

048646474

ABSTRACT:
One or more infrared receiver units communicate by radio to an infrared transmitter unit in order to extend the operational range of an infrared remote control device that normally operates an electrical or electromechanical apparatus. The receiver converts the infrared radiation pattern produced by the infrared remote control device into a radio signal at a suitable frequency. The transmitter, located adjacent the apparatus, converts the radio signal back into the original infrared siganl used to operate the apparatus.

REFERENCES:
patent: 3513443 (1970-05-01), Andersen
patent: 4290043 (1981-09-01), Kaplan
patent: 4303855 (1981-12-01), Bapst
patent: 4509211 (1985-04-01), Robbins
patent: 4709412 (1987-11-01), Seymour

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