Patent ID: 6179208
Filing Date: 2001-01-30
Classification: G06K

Abstract:
A portable data collection device comprising:a) a camera assembly, including an array of photosensor elements generating a signal representative of an image of a target area, the image including a dataform positioned in the target area; andb) an optic assembly positioned to focus illumination reflected from a generally rectangular target area onto the array of photosensor elements, the optic assembly including a focusing optic through which reflected illumination from the target area passes, the focusing optic having a moveable lens, movement of the moveable lens changing a thickness of the focusing optic through which the reflected light passes and correspondingly changing a best focus distance of the optic assembly wherein the best focus distance corresponds to a distance between the device and the dataform which results in a clear image of the dataform being focused onto the array of photosensor elements.