Optical reading and displaying device

Details Optical reading and displaying device Optical reading and displaying device

1984-04-10

1987-08-04

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 57, 250566, 250358, 235462, G06K 958

Patent

active

046851470

ABSTRACT:
An optical reading device provided with an exclusive display section for displaying character patterns and the like in response to electrical signals applied from deflection control circuits. The deflection control circuits include a scanning pattern memory for storing those data which correspond to the scanning patterns of the deflected light, and a character pattern memory for storing those data which correspond to character patterns of the deflected light, wherein a character pattern is displayed in the display section according to a scanning pattern based on the recognition of data detected by a photoelectric converter.

REFERENCES:
patent: 3520586 (1970-07-01), Bousky
patent: 4006343 (1977-02-01), Izura et al.
patent: 4455485 (1984-06-01), Hosaka et al.
patent: 4575623 (1986-03-01), Cononi
patent: 4577932 (1986-03-01), Gelbart
"Pattern Optimization for UPC Supermarket Scanner", B. U. Braunecker, IBM J. Res. Develop, vol. 24, No. 1, 1/80, p. 89.

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