Registers – Calculators – Input-output calculator to indicator – printer – etc.
Patent
1972-05-26
1977-01-04
Cook, Daryl W.
Registers
Calculators
Input-output calculator to indicator, printer, etc.
235 6112N, G06K 1906
Patent
active
040015491
ABSTRACT:
An optically scannable document having columns of marking areas thereon where the vertically adjacent marking areas in a column are horizontally staggered. Also, a template for the document and having columns of horizontally staggered marking openings therein corresponding to the marking areas on the document. The horizontal staggering arrangement assures that an unskilled user will make a sufficiently long mark in the marking area on the document so that the mark can be scanned by commercially available optical scanning equipment. Furthermore, the staggered openings in the template assure the structural strength of the template. Also, a template assembly including the template and a base plate designed to hold the document and accurately align it with the template. Also, a method of mass-producing the template assemblies.
REFERENCES:
patent: R23385 (1951-07-01), Knutsen
patent: 2525837 (1950-10-01), Simplair
patent: 2535125 (1950-12-01), Ferry
patent: 2873545 (1959-02-01), Noel
patent: 2964374 (1960-12-01), Miller
patent: 3576430 (1971-04-01), Fickenscher et al.
patent: 3602696 (1971-08-01), Joyce
patent: 3610893 (1971-10-01), Clark et al.
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