Data storage apparatus

Details Data storage apparatus Data storage apparatus

1989-07-21

1991-01-01

Brown, Thomas W.

Telephonic communications

Supervisory or control line signaling

Substation originated

379355, 379444, H04M 127, H04M 156

Patent

active

049824236

ABSTRACT:
A large number of name and telephone number numerical data can be stored in a RAM, and a reservation flag which represents whether a call is made or not can be set for each telephone number numerical data. A time mode for displaying time, a search mode for sequentially displaying all telephone number data stored in the RAM, or a reservation mode for displaying only the telephone number data having a reservation flag can be selectively set upon operations of switches SW1 and SW3. A dialing tones generator and a speaker are arranged to convert the displayed telephone number data into dialing tones and output the converted dialing tones.

REFERENCES:
patent: 4117542 (1978-09-01), Klausner et al.
patent: 4751668 (1988-06-01), Aihara
patent: 4769836 (1988-09-01), Aihara

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