Automatic radio telephone encoder/decoder

Patent

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Details

179 81R, 179 90K, 179 90BB, H04M 126, H04Q 704

Patent

active

044632215

ABSTRACT:
An automatic radio telephone encoder/decoder including a microcomputer programmed to decode incoming dial codes and generate outgoing radio telephone functions and dial codes in response to received signals or keypad activation is presented in combination with control circuitry activated by the microcomputer which is maintained in an off condition except when called upon to perform encoding or decoding functions by a keyboard input means or signals received by the radio telephone.

REFERENCES:
patent: 3336444 (1967-08-01), Piechocki
patent: 3470326 (1969-09-01), Gretteberg
patent: 3510777 (1970-05-01), Gordon
patent: 3778557 (1973-12-01), Frederiksen
patent: 3806663 (1974-04-01), Peek et al.
patent: 3808537 (1974-04-01), Sarati et al.
patent: 4039760 (1977-08-01), Gregory et al.
patent: 4053717 (1977-10-01), Snider
patent: 4179588 (1979-12-01), Oliveira

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