Registers – Record controlled calculators – With printing
Patent
1988-07-15
1991-05-21
Trafton, David
Registers
Record controlled calculators
With printing
235470, 382 1, 382 9, 434353, G06F 312
Patent
active
050177630
ABSTRACT:
Apparatus for scanning answer sheets with a series of closely-spaced parallel scan lines to produce scan signals for spots closely-spaced along each scan line, thereby producing a rectilinear data array of binary (black/white) representations at the intersections of a rectangular coordinate grid. Marks on the answer sheets are detected and processed to develop and print-out a score for the examinee by means of a dot-matrix printer. Scan spot signals representing the examinee's name written in prior to the tests are used to directly control the dot-matrix printer to reproduce the examinee's name. The scan spot signals representing the name are stored with and physically accompany the test results, so that at any time the score data can be printed out together with the examinee's name.
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patent: 4264808 (1981-04-01), Owens et al.
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Cognitronics Corp.
Trafton David
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