Telephone message recording device with displays to indicate the

Details Telephone message recording device with displays to indicate the Telephone message recording device with displays to indicate the

1987-09-30

1989-01-31

Cardillo, Raymond F.

Telephonic communications

Audio message storage, retrieval, or synthesis

Dynamic audio signal recording or reproduction

H04M 165

Patent

active

048022039

ABSTRACT:
A telephone message recording device for recording messages from a caller on an incoming telephone line, including a recording memory for recording of calls and incoming messages, an announcement memory, a detector responsive to incoming telephone calls and producing a start signal for the announcement memory, a voice detector switch for detecting whether there are voice signals on the incoming line and supplying a start signal to the recording memory and a pair of numeric displays indicating that a call or calls have been received, one display for indicating the number of calls received and a second display for indicating the number of calls which have been recorded on the recording memory. First and second counters are provided for the displays formed by two-digit BCD counters whose output signals are applied via multiplexers and drive circuits to the associated display.

REFERENCES:
patent: 3937893 (1976-02-01), Muller et al.
patent: 4302630 (1981-11-01), Ingegnoli et al.
patent: 4309571 (1982-01-01), Chamberlin
Bringol, Functional VOR for Telephone Recording Systems, IBM Technical Disclosure Bulletin, vol. 17, No. 3, Aug. '74, p. 831.

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