Patent ID: 6348947
Filing Date: 2002-02-19
Classification: H04N,H05K

Abstract:
An image scanner comprising:a photosensitive element array having a plurality of photosensitive elements arranged in a primary scanning direction from a first end to a second end, for being exposed to light from an object to accumulate therein a plurality of charges respectively; a shift gate for receiving a transfer command signal and for receiving said plurality of charges accumulated in said plurality of photosensitive elements and simultaneously transferring said plurality of charges in response to the transfer command signal; a shift register for receiving said plurality of charges simultaneously transferred from said shift gate, and sequentially outputting said plurality of charges one by one, starting from one of the plurality of charges accumulated in one of the plurality of photosensitive elements which is disposed at said first end; and transfer command signal output means for supplying said transfer command signal to said shift gate at variable generation intervals of time in accordance with a length of said object in said primary scanning direction.