Charge transfer apparatus

Details Charge transfer apparatus Charge transfer apparatus

G - Physics

11

C

352/48, 352/82.2

G11C 11/34 (2006.01) H01L 27/148 (2006.01) H04N 3/15 (2006.01)

Patent

CA 1163368

- 21 - Abstract of the Disclosure A charge transfer apparatus comprises a pulse generator, a drive circuit for sending forth drive signals having a plurality of voltage levels in accordance with the pulse signals produced from the pulse generator, and a charge coupled device of the frame transfer type which is actuated by the drive signals and in which bias charges are previously injected into the potential wells of the light receiving section. The drive circuit comprises an analog multiplexer for selectively sending forth a D.C. voltage signal in accordance with the pulse signal, during the vertical blanking period, injects an excess amount of bias charges into the potential wells and raises the bottoms of the potential wells to let an excess amount of bias charges overflow the potential wells for combination with holes.

369183

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