Interface device

Details Interface device Interface device

1984-10-04

1989-02-28

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

358256, 375121, 455 73, 455 79, 455 88, H04N 142

Patent

active

048092975

ABSTRACT:
An interface device for connection between a facsimile reproduction machine and a simplex radio includes a receiving circuit and a transmitting circuit. A switch connects an appropriate one of the circuits to the machine. A control circuit monitors the change in the mode of operation of the machine and operates upon the switch to cause a corresponding change of connection to the machine. The control circuit also operates upon the transceiver to condition it to a transmit mode upon the transmit circuit being selected.

REFERENCES:
patent: 2599904 (1952-06-01), Evans
patent: 3441665 (1969-04-01), Wuensch
patent: 3592962 (1971-07-01), Matthews et al.
patent: 3609241 (1971-08-01), Riethmeier
patent: 3739338 (1973-06-01), Jacobson et al.
patent: 3783194 (1974-01-01), Vilips
patent: 4130840 (1978-12-01), Vandling
patent: 4199809 (1980-04-01), Pasahow
patent: 4227045 (1980-10-01), Chelcun
patent: 4384356 (1983-05-01), Beerbaum
patent: 4422098 (1983-12-01), Logie
patent: 4425663 (1984-01-01), Lam
patent: 4490746 (1984-12-01), Moriguchi

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