US Patent 7705288 Optical reading device with light blocking gasket

An optical reading device comprising a sensor array having pixels which are exposed to an image; an illumination generator for illuminating the image with light, the illumination generator being configured to have a front face; a housing for housing the sensor array, aiming pattern generator and illumination generator for hand held operation, the housing having a window disposed between the illumination generator and the image for permitting transmission of the illuminating light; a lens for focusing light to the sensor array, wherein the lens protrudes through the illumination generator; a gasket disposed around the lens for blocking light reflected off of the window from reaching the sensor array.