Optical reader for information pattern representing coded data

Details Optical reader for information pattern representing coded data Optical reader for information pattern representing coded data

1996-05-14

1998-06-09

Pitts, Harold

Registers

Coded record sensors

Particular sensor structure

235454, G06K 710

Patent

active

057638667

ABSTRACT:
An optical reader having a reading head which includes a light source, an optical system and in imaging device such as a CCD. An opening is formed in a tip portion of the reading head which forms an area in which an information pattern to be read is positioned. The information pattern is illuminated by the light source, and the light reflected from the information pattern is sensed by the CCD. A closing plate is slidably supported by guide grooves provided on edge portions of the opening. The opening is opened and closed by the closing plate. The closing plate has a plurality of notches to provide flexibility.

REFERENCES:
patent: 4805175 (1989-02-01), Knowles
patent: 5428212 (1995-06-01), Tani et al.
patent: 5589678 (1996-12-01), Atsumi et al.

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