Apparatus for reading a line marking fixed to a carrier

Details Apparatus for reading a line marking fixed to a carrier Apparatus for reading a line marking fixed to a carrier

1983-09-30

1985-06-18

Pitts, Harold I.

Registers

Records

Particular code pattern

235462, G06K 1906

Patent

active

045242704

ABSTRACT:
The apparatus comprises an optical arrangement which displays longitudinal extending short or long elements of a marking in time sequence on a reading surface. The surface is divided into more than three consecutive sectors and a pulse signal indicating an element of any length is produced if an element is displayed on at least one sector. A code signal indicating a long element is produced if an element is displayed simultaneously on at least two sectors which are separated from each other by at least one other sector.

REFERENCES:
patent: 4488768 (1984-12-01), Hara

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