Power saving electronic counter circuit for tape recorder

Details Power saving electronic counter circuit for tape recorder Power saving electronic counter circuit for tape recorder

1980-05-09

1983-11-22

Gruber, Felix D.

Electrical pulse counters, pulse dividers, or shift registers: c

Applications

Position determining

377112, 377 24, 364707, 360 71, G11B 2734, H03K 2130

Patent

active

044171358

ABSTRACT:
In a tape recorder including a circuit for generating pulses according to the running of a tape, an electronic counter circuit is provided which includes a counter for counting pulses and a display section for displaying its count value. The electronic counter circuit further includes a control circuit for disconnecting a display section from a power supply source a predetermined time period after the running of the tape is stopped and a memory for storing the count value at all times.

REFERENCES:
patent: 3941989 (1976-03-01), McLaughlin et al.
patent: 3955185 (1976-05-01), Nishimura
patent: 3955355 (1976-05-01), Luce
patent: 4322765 (1982-03-01), Furuta
Foster: IBM Technical Disclosure Bulletin, Battery Powered Data Entry Unit, vol. 15, No. 11, Apr. 1973, pp. 3437/3438.

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