G - Physics – 06 – K
Patent
G - Physics
06
K
350/19, 354/65
G06K 9/62 (2006.01)
Patent
CA 1207431
Title of the invention Optical Character Reader Abstract of the Disclosure An optical character reader in which analog electrical signals produced by a photoelectrical conversion device are converted into binary signals representative of a background region and a character region, the characters or the like being recognized by a discrimination circuit according to the predescribed binary signals, the discrimi- nation circuit being into operation only when one complete view of the character or the like is detected within a range of a scope of the image sensor used. For detecting the image-formation picture of the image sensor positioned completely to mate with the form, a base of reflection factor lower than that of the form is used for fixing the form to thereby utilize different reflection factors of the form and base, or a difference between the reflection factors thereof, so that when the image-formation picture is positioned even in part corresponding to the base, the read command signal is not given, thereby preventing the edge of form and characters or symbols not entered therein from being read by mistake.
453940
Riches Mckenzie & Herbert Llp
Sumitomo Electric Industries Ltd.
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