Processing circuit for input signal from key or remote-controlle

Details Processing circuit for input signal from key or remote-controlle Processing circuit for input signal from key or remote-controlle

1996-02-12

1999-04-06

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

34082569, 34082525, 34082522, 34082534, 34082507, 34082531, 34082556, 341176, 341 20, 341 22, 341 26, 348734, H04B 106

Patent

active

058924590

ABSTRACT:
A key scanning circuit scans a key matrix circuit to generate key input data as for key operations. A remote control decoder decodes an encoded signal, which has been output from a remote control transmitter and received by a remote control receiving circuit, to generate remote control data. A transmission register selectively stores either the key input data or remote control data. By transmitting the data stored in the single transmission register, it is possible to transmit any one of the key input data and remote control data to the microcomputer.

REFERENCES:
patent: 4246611 (1981-01-01), Davies
patent: 4408511 (1983-10-01), Deforeit
patent: 4857898 (1989-08-01), Smith
patent: 4866434 (1989-09-01), Keenan
patent: 5752184 (1998-05-01), Ishimura

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