Education and demonstration – Language – Alphabet letter formation – recognition – or sequencing
Patent
1979-03-22
1982-02-16
Pinkham, Richard C.
Education and demonstration
Language
Alphabet letter formation, recognition, or sequencing
434178, D18 29, G09B 140, G09B 134
Patent
active
043157483
ABSTRACT:
An alphabetic device is set forth to facilitate an initial reading process by providing additional discrimination cues to letters of traditional written languages. Letters of a written language are reproduced on a substrate such as paper, plastic etc. and confined within a zone. The zone, also reproduced on the substrate, is made up of dots, dashes, or lines arranged in regular arrays. A different zone is used for each letter such that each letter is always associated with its characteristic zone.
REFERENCES:
patent: D9740 (1877-02-01), Dreyfuss et al.
patent: D12497 (1881-09-01), Muller
patent: D221718 (1971-08-01), Fishback
patent: 3571951 (1971-03-01), Siegel et al.
patent: 4045884 (1977-09-01), Zand
"The Ishihara Test for Color Blindness" The American Journal of Physiological Optics, Jul. 1924, pp. 269-276 and FIGS. 1,2.
Frascara Jorge
Jungkind Walter
Ladan Carol J.
Nelson Thomas M.
Brown Scott L.
Pinkham Richard C.
The Governors of the University of Alberta
Wymore Max L.
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