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

G - Physics

06

K

G06K 7/01 (2006.01) G02B 26/10 (2006.01) G06K 7/10 (2006.01) H05B 3/84 (2006.01) H05K 7/20 (2006.01) H01C 7/02 (2006.01)

Patent

CA 2591147

The invention relates to a window for an optical scanning device comprising a panel having a pair of oppositely directed light transmitting surfaces. A PTC heater wire preferably of a diameter less than the width of the smallest permissible indicia of a barcode is used to regulate the temperature of the panel. A conductive layer comprising carbon nanotubes is also provided for regulating the temperature of the device window. A window intrinsically comprising carbon nanotubes is also provided.

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