Remote control signal receiving circuit capable of processing a

Details Remote control signal receiving circuit capable of processing a Remote control signal receiving circuit capable of processing a

1996-02-13

1998-05-12

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Remote control of receiver

4551511, 34082569, 34082572, H04B 106, H04B 118

Patent

active

057521840

ABSTRACT:
A plurality of remote control decoders are provided for decoding an encoded signal from a remote control receiving module, to generate remote control data, the remote control decoders each decoding a signal encoded in a different remote control data format. A key scanning circuit is provided for scanning a key matrix, to fetch key input data. A selection circuit is provided for selecting either the remote control data from the plurality of remote control decoders or key input data from the key scanning circuit. A transmission register is provided to store the selected data. The stored data are serially transmitted in synchronism with a synchronous signal. With this arrangement, a plurality of kinds of remote control transmitter can be used, in addition to the fact that any of the data from the remote control transmitters and the data from the key matrix can be transmitted via a common communication line.

REFERENCES:
patent: 3894176 (1975-07-01), Mellon
patent: 4065862 (1978-01-01), Meyer
patent: 4771283 (1988-09-01), Imoto
patent: 4817203 (1989-03-01), Tsurumoto et al.
patent: 5109420 (1992-04-01), Nonaka
patent: 5453738 (1995-09-01), Zirkl et al.
patent: 5481252 (1996-01-01), Kwon et al.

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