Device for electroconductive connection and reading

Details Device for electroconductive connection and reading Device for electroconductive connection and reading

1976-01-14

1977-08-23

Kilgore, Robert M.

Registers

Calculators

Input-output calculator to indicator, printer, etc.

35 48A, 200 46, 235 6112C, G06K 706, G06K 1906, G09B 706, H01H 4308

Patent

active

040442292

ABSTRACT:
A device for electrical connection of marks produced by means of an electroconductive writing substance to a readout device, by applying said marks in electroconductive relationship with pairs of mutually isolated conductive paths on at least one isolating substrate. Said substrate with its pairs of paths is removably connectable to the readout device by means of separate connection elements for each path. A mark bridges the conductive paths in one pair and closes an electric circuit on at least one substrate, whereby readout can take place without mechanical motion, and all electric circuits on such a marked substrate exist at the same time and the marks are readable electrically as well as visually.

REFERENCES:
patent: 2377783 (1945-06-01), Hood
patent: 2484642 (1949-10-01), Paris
patent: 3212203 (1965-10-01), Atkinson
patent: 3678251 (1972-07-01), Delpino

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