Portable optical scanning device with a recessed optical window

Details Portable optical scanning device with a recessed optical window Portable optical scanning device with a recessed optical window

1997-10-29

1999-08-10

Allen, Stephone B.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250566, 2502081, 358474, H01J 314, G06K 710

Patent

active

059362383

ABSTRACT:
A hand-held scanning device is disclosed in which the scanning device housing window has a recessed optical portion of the window formed such that the recessed optical portion of the window does not come into contact with the object being scanned while a scan is being performed. This recessed optical portion of the window eliminates damage caused by contact with the object being scanned to the optical portion of the window. The recessed portion of the window is formed without corners in such a manner that it may easily be wiped clean by the end user without dirt, dust and the like building up in corners of the recess. The recessed portion of the window is also formed in such a manner as to maintain the object in a relatively flat position under the scan window throughout the scanning process.

REFERENCES:
patent: 5272353 (1993-12-01), Barkan et al.
patent: 5412205 (1995-05-01), McVicar et al.
patent: 5739923 (1998-04-01), Kawahara

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