Data introducing arrangement

Details Data introducing arrangement Data introducing arrangement

1979-03-27

1981-03-10

Jackmon, Edith S.

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

368188, 235 92PE, G04F 306, G04C 908

Patent

active

042558050

ABSTRACT:
A countdown device such as a timer employing a digital display is provided ith a plurality of up/down counters, one for each digit column. A single control switch is provided which may be in the form of a push-button and the signal obtained therefrom acts on each counter until a predetermined count is reached and then on the succeeding counter. Thereby digital data may be rapidly introduced, precision of the representation diminishing however as the interval increases.

REFERENCES:
patent: 3976859 (1979-08-01), Christie et al.
patent: 4005571 (1977-02-01), Wolff
patent: 4022017 (1977-05-01), Aoki et al.
patent: 4123896 (1978-11-01), Asano

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