METHODS AND APPARATUS FOR VARIABLE MODE DRIVERS

摘要

In one aspect, a method of transferring charge from a photosensitive array using a plurality of vertical shift registers each having a plurality of vertical elements including a first vertical element and a last vertical element, each of the plurality of vertical elements capable of storing charge, the plurality of vertical shifter registers, when operated, are capable of transferring charge from each of the plurality of vertical elements to a respective adjacent one of the plurality of vertical elements in a first direction from the first vertical element to the last vertical element, and using at least one horizontal shift register having a plurality of horizontal elements, each of the plurality of horizontal elements of the at least one horizontal shift register arranged to receive charge transferred from the last vertical element of a respective one of the plurality of vertical shift registers, the at least one horizontal shift register, when operated, capable of transferring charge from each of the plurality of horizontal elements to a respective adjacent one of the plurality of horizontal elements is provided. The method comprises operating the at least one horizontal shift register during a plurality of horizontal operating intervals and operating the plurality of vertical shift registers during at least a portion of the plurality of horizontal operating intervals.