Pen-type bar code reader

Details Pen-type bar code reader Pen-type bar code reader

1985-07-09

1987-07-21

Trafton, David L.

Registers

Coded record sensors

Particular sensor structure

235472, 250555, 250566, G06K 710

Patent

active

046820167

ABSTRACT:
A pen-type bar code reader uses a reflector formed on a concave lens surface of a convex lens system with respect to a bar code detector, except a region for transmitting a light flux. The convex lens system is mounted so that its optical axis is angled with respect to the light flux from the detector, and a bar code illuminating light source is provided in a position between the detector and the convex lens system and opposite to the light flux from the detector with respect to the optical axis of the convex lens system.

REFERENCES:
patent: 4346292 (1982-08-01), Routt et al.
patent: 4431912 (1984-02-01), Dickson et al.
patent: 4570057 (1986-02-01), Chadima et al.

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