Patent ID: 8325225

Claim:
A web inspection system comprising: a web moving unit moving a web of material; a camera positioned adjacent the web moving unit, the camera configured to be in an image capture state or a non-image-capture state, wherein the camera includes a sensor which is active during the image capture state; a first illumination system positioned adjacent the web moving unit, the first illumination system illuminating the web of material; a second illumination system positioned adjacent the web moving unit; a control unit connected to the camera, the first illumination system, and the second illumination system, wherein the control unit is configured to control the second illumination system such that the second illumination system illuminates the web of material when the camera is in the image capture state and does not illuminate the web of material when the camera is in the non-image-capture state; and a velocity detection unit connected to the control unit for obtaining an actual velocity of the web of material, wherein the time period the sensor is active is related to the actual velocity of the web of material.