Electronic calculating device with faculties of detecting reprod

Details Electronic calculating device with faculties of detecting reprod Electronic calculating device with faculties of detecting reprod

1980-02-27

1985-04-16

Zache, Raulfe B.

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

Applications

Determining machine or apparatus operating time or...

G07C 300

Patent

active

045120277

ABSTRACT:
An electronic calculating machine includes a control circuit for receiving digital calculation information recorded in an audio tape to be applied to the machine. The control circuit comprises a circuit for forming the information to pulse signals, a circuit for counting the pulse width in a time period, a circuit for comparing the pulse width with a certain value preset therein, and a display for showing the comparison results by letter information.

REFERENCES:
patent: 3705386 (1972-12-01), Gueldenpfennig et al.
patent: 3774156 (1973-11-01), Marsalka et al.
patent: 3886463 (1975-05-01), Caprio
patent: 3961271 (1976-06-01), Zlydak et al.
patent: 3996586 (1976-12-01), Dillon et al.
patent: 4112501 (1978-09-01), nnestam
patent: 4117542 (1978-09-01), Klausner
patent: 4135161 (1979-01-01), Torrieri
patent: 4152651 (1979-05-01), Lampert
patent: 4173756 (1979-11-01), Kawagai
patent: 4207524 (1980-06-01), Purchase et al.

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