Heated protective window for an optical scanning device

Details Heated protective window for an optical scanning device Heated protective window for an optical scanning device

2006-06-13

2006-06-13

Le, Thien M. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S462010, C235S472010

Reexamination Certificate

active

07059530

ABSTRACT:
The invention relates to a window for an optical scanning device having a panel having a pair of oppositely directed light transmitting surfaces. A heater wire of a diameter less than the width of the smallest permissible indicia of a barcode is embedded between the first and second light transmitting surfaces. The heater wire being entirely contained within the perimeter of the optical scanning device window except for a length of both of its extremities.

REFERENCES:
patent: 5508505 (1996-04-01), Walts et al.
patent: 5729003 (1998-03-01), Briggs, III
patent: 6321990 (2001-11-01), Giodano et al.
patent: 6612493 (2003-09-01), DeGiovine et al.
patent: 2002/0060247 (2002-05-01), Krishnaswamy et al.

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