Multiplexed central dictation system

Details Multiplexed central dictation system Multiplexed central dictation system

1978-09-11

1980-04-15

Cook, Daryl W.

179 6E, G11B 1900, H04M 1110

Patent

active

041985494

ABSTRACT:
A remote control dictation system is disclosed. The control of the system is implemented via a single transmission line tapped at various points to interface with recorders and dictate stations. A plurality of channels are defined in the system, each channel having two transmit-receive frequencies associated therewith. An embodiment of the invention includes a controller with decision making capability. Control signals from the dictate stations and the controller as well as audio signals are multiplexed onto the transmission line. Means for selectively or automatically changing channels for the recorders or the dictate stations are disclosed so that any dictate station may be operatively connected with any recorder in the system.

REFERENCES:
patent: 3328536 (1967-06-01), Bolick, Jr.
patent: 3527891 (1970-09-01), Johnston
patent: 3647985 (1972-03-01), Langendorf et al.
patent: 3671680 (1972-06-01), Nye et al.
patent: 3706858 (1972-12-01), Keitel
patent: 3712961 (1973-01-01), Nye et al.
patent: 3725589 (1973-04-01), Golden

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