Telephone interconnected paging system with dial click to pulse

Details Telephone interconnected paging system with dial click to pulse Telephone interconnected paging system with dial click to pulse

1975-01-24

1976-11-30

Claffy, Kathleen H.

179 55, 179 6C, 179 18BF, H04Q 136

Patent

active

039951219

ABSTRACT:
A telephone paging system includes a central interconnect station responsive to phoned information for automatically transmitting the caller's verbal message to a designated portable paging receiver. The central station instructs the caller by means of a prerecorded message to provide a brief voice message preceded by touch tone or rotary dial digits identifying the receiver to be paged. The paging code digits and message are both tape-recorded by the central station. If the transmitter is free, the recorded paging code is automatically played back through a decoding circuit responsive to rotary dial clicks as well as touch tones. The output of the decoding circuit keys a radio transmitter which transmits a corresponding code followed by the recorded voice message. The central station employs a plurality of recorders. If one recorder is in operation, an incoming call is transferred to the next recorder. Recordings awaiting access to the transmitter are taken in a predetermined order.

REFERENCES:
patent: 2941043 (1960-06-01), Ham, Jr. et al.
patent: 2953647 (1960-09-01), Johanson
patent: 2998489 (1961-08-01), Riesz
patent: 3087999 (1963-04-01), Stewart et al.
patent: 3312784 (1967-04-01), Draper
patent: 3315039 (1967-04-01), Gebhardt et al.
patent: 3430002 (1969-02-01), Roscoe
patent: 3461241 (1969-08-01), Menke
patent: 3879583 (1975-04-01), Rooks
"Radio Paging Systems", Telephony, Ray Blain, Aug. 5, 1967, pp. 20, 26, 41 and 42.

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