Bidirectional remote control apparatus

Details Bidirectional remote control apparatus Bidirectional remote control apparatus

1997-07-11

1999-12-21

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

34082576, 34082569, 34082534, 348 7, 348 8, 348 12, 348734, 341176, 345169, 345170, H04N 544

Patent

active

060054905

ABSTRACT:
A CPU of controlled equipment generates an operating key information signal indicating operating key(s) to be depressed of a plurality of operating keys in the mode the controlled equipment is currently set, and sends it to a transmitting element. The transmitting element converts the signal into an infrared operating key information signal, and sends it to a remote control transmitter. A receiver of the remote control transmitter receives the infrared operating key information signal from the controlled equipment, converts it into an electric operating key information signal, and sends it to a CPU. The CPU generates a drive control signal which lights LED(s) (Light Emitting Diode(s)) provided on the operating keys specified by the operating key information signal and sends it to a LED driver. The LED driver lights LED(s) of the operating key(s) to be pressed.

REFERENCES:
patent: 4728949 (1988-03-01), Platte et al.
patent: 5410326 (1995-04-01), Goldstein

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