Communications: electrical – Continuously variable indicating – With meter reading
Patent
1986-11-05
1988-11-29
Caldwell, Sr., John W.
Communications: electrical
Continuously variable indicating
With meter reading
3408255, 455 58, 455 73, H04Q 700
Patent
active
047885432
ABSTRACT:
Apparatus in a transceiver for broadcasting priority rated messages on a channel shared by a multiplicity of similar transceivers, converts an analog audio frequency message to compressed digitalized format which is stored, encrypted, and encoded with a priority rating and recipient identity code. A central data processor prevents broadcast of the message while any other message of higher priority rating is being broadcast, or interrupts broadcast of the message when broadcast of another message of higher priority is detected, or interrupts broadcast of any other message of lower priority than that of a message waiting to be broadcast. Received messages bearing the recipient's identity code are stored and played back in order of their priority rating.
REFERENCES:
patent: 3026375 (1962-03-01), Graham
patent: 3190965 (1965-06-01), Zarouni
patent: 4384169 (1983-05-01), Mozer et al.
patent: 4503510 (1985-03-01), Weaver
patent: 4560832 (1985-12-01), Bond et al.
patent: 4611334 (1986-09-01), Engel et al.
patent: 4642630 (1987-02-01), Beckner et al.
patent: 4646358 (1987-02-01), Shanley
Caldwell Sr. John W.
Holloway III Edwin C.
Loveman Edward H.
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