System for extending the effective operational range of an infrared remote control system
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United States of America Patent
Stats
-
Feb 28, 1989
Grant Date -
N/A
app pub date -
Dec 24, 1986
filing date -
Dec 24, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for extending the effective operational range of an infrared remote control system of the type having a remote control unit with an infrared transmitter and a controlled device having an infrared receiver. The system includes a first repeater positioned physically in the area where the remote contol unit will be used. An infrared receiver is contained within the first repeater and generates an electrical output signal representative of the infrared signal received from the remote control unit. A radio transmitter at the first repeater then transmits a radio signal to a radio receiver at a second repeater which is physically adjacent the controlled device(s). The radio receiver generates a second electrical signal representative of the received radio signal and this second electrical signal activates an infrared transmitter which transmits an infrared signal to the controlled device(s).
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