Master cards for hectographic printing

Details Master cards for hectographic printing Master cards for hectographic printing

1978-04-17

1980-07-15

Kilgore, Robert M.

Registers

Records

1014631, 235488, 235493, 360 2, G06K 1900, G11B 2504, B41M 500, G06K 1902

Patent

active

042130417

ABSTRACT:
A master card for use in a hectographic printing machine, comprises two layers of snythetic plastics material, having respective apertures therein which are aligned with each other to form a window, and a layer of carbon-receiving material between the synthetic plastics layers and closing the window. The card has an information-carrying zone including opaque areas into which holes can be punched to form transparent areas arranged in predetermined positions to provide information readable by light transmission, and a strip of magnetic material which is machine programmable by magnetization and machine readable.

REFERENCES:
patent: 2673033 (1954-03-01), Gruver
patent: 3669019 (1972-06-01), Barbouh
patent: 3689742 (1972-09-01), Kagari
patent: 3800124 (1974-03-01), Walsh
patent: 3800315 (1974-03-01), Budrose
patent: 3804005 (1974-04-01), Burger
patent: 3935430 (1976-01-01), Anderson
patent: 4058839 (1977-11-01), Darjany

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