Data input device

Details Data input device Data input device

1978-12-01

1981-02-10

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

235 92SH, 235 92DP, H03K 2130

Patent

active

042504015

ABSTRACT:
A data input device for effecting the entry of numerical values into a data processing device includes a data key which is tapped for a number of times corresponding to the number appearing in each digit of the numerical value, a counter for counting the number of taps applied on the data key and for generating a signal indicative of the counted number, a shift key and a shift register for successively memorizing the generated signal from the counter means upon manipulation of the shift key.

REFERENCES:
patent: 3681574 (1972-08-01), Caulkin
patent: 3786475 (1974-01-01), Staar
patent: 3976859 (1976-08-01), Christie et al.
patent: 4120040 (1978-10-01), A ihara

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