Pulse or digital communications – Repeaters – Testing
Patent
1989-01-19
1990-11-20
Olms, Douglas W.
Pulse or digital communications
Repeaters
Testing
455 69, 379 63, 34082544, H04L 2902
Patent
active
049724398
ABSTRACT:
A transmitter, having controllable transmission functions is described for transmitting coded message signals to a plurality of portable communications receivers, the coded message signals including and message information interleaved with transmitter control signals synchornized with the message information. The transmitter includes a receiving section for receiving the coded message signals from an input source for transmission. A decoder which couples to the receiving section decodes the synchronized transmitter control signals to derive transmission control signals. A transmitter section, responsive to the transmission control signals, transmits the coded message signals. Additional transmission control signals may also be derived from one or more receiver control signals embedded in the coded message signals.
REFERENCES:
patent: 4449248 (1984-05-01), Leslie et al.
patent: 4518961 (1985-05-01), Davis et al.
patent: 4613990 (1986-09-01), Halpern
patent: 4642632 (1987-02-01), Ohyagi et al.
patent: 4758833 (1988-07-01), Dunkerton et al.
Kuznicki William J.
Schwendeman Robert J.
Huseman Marianne
Ingrassia Vincent B.
Macnak Philip P.
Motorola Inc.
Olms Douglas W.
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