Radio transmitter time out timer

Details Radio transmitter time out timer Radio transmitter time out timer

1978-03-01

1980-12-30

Bookbinder, Marc E.

Pulse or digital communications

Repeaters

Testing

375 71, 455115, 455116, 455117, H04B 104, H04L 2704

Patent

active

042427533

ABSTRACT:
A mobile data terminal system is capable of voice or microprocessor controlled data transmission over a keyed transmitter. The improved timer apparatus disables further transmission if the transmission duration or the average duty cycle over a predetermined time period of repeated transmitter keying exceed predetermined limits. Where the disable mode resulted from a microprocessor fault, the transmitter continues to be disabled until the microprocessor is reset.

REFERENCES:
patent: 3191066 (1965-06-01), Staudenmayer
patent: 3230454 (1966-01-01), Van Burkleo
patent: 3328696 (1967-06-01), Schunemann
patent: 3469191 (1969-09-01), Russell, Jr. et al.
patent: 3500458 (1970-03-01), Cannalte
patent: 3500459 (1970-03-01), Battin et al.
patent: 4034297 (1977-07-01), Giorgi et al.
patent: 4117348 (1978-09-01), Newman

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