Patent ID: 9591158
Date: 2017-03-07
CPC Classifications: H04N

Claim:
1. A method for determining a border of a hardcopy print placed on a platen of a document scanning device, the method comprising: placing a hardcopy print on a platen of a scanning device comprising, at least in part, a scan head with a first set of light emitting diodes (LEDs) as a normal scan light source for illuminating a front-side of said hardcopy print during a normal scan and optical sensors which sense an intensity of light at each sensor's respective X/Y location as said scan head moves beneath said platen; placing an acrylic sheet with a second set of LEDs as a pre-scan light source for illuminating a back-side of said hardcopy print during a pre-scan, wherein said acrylic sheet includes a handle and a hood to suspend said second set of LEDs above said back-side of said hardcopy print; and performing said pre-scan of said hardcopy print placed on said platen comprising: