Communication-recorder system

Details Communication-recorder system Communication-recorder system

1975-11-05

1978-01-31

Claffy, Kathleen H.

179 18AD, 179 1H, 179 1CN, H04M 906

Patent

active

040717100

ABSTRACT:
An improved inter-communication system is disclosed wherein master stations are selectively interconnected to a plurality of shared amplifiers and are characterized by such features as: means for selectively securing and reserving an amplifier automatically in the course of making a call; locator-status indicator means adapted to indicate automatically the status condition of any one of several selected master stations (e.g. out of office) when a set is interrogated; automatic privacy means adapted to allow a called person to decide whether to respond by voice or by an alternate reply signal, and to prevent eavesdropping; a simplified, rapid means for setting up a conference; a recorder selectively connectable for one-way or two-way recording; automatic call-cancellation; single-carrier carriage of encoded status, or other signals, and the like.

REFERENCES:
patent: 2883457 (1959-04-01), Carter et al.
patent: 3024310 (1962-03-01), Montor
patent: 3126448 (1964-03-01), Millett
patent: 3219761 (1965-11-01), Schmitthenner
patent: 3278690 (1966-10-01), Van Horn
patent: 3297824 (1967-01-01), Montor
patent: 3562430 (1971-02-01), Faust et al.
patent: 3573375 (1971-04-01), Kinzer
patent: 3740487 (1973-06-01), Ter Veen

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