Charge transfer device and a driving method thereof and a...

Details Charge transfer device and a driving method thereof and a... Charge transfer device and a driving method thereof and a...

2005-12-27

2005-12-27

Moe, Aung (Department: 2685)

Television

Camera, system and detail

Solid-state image sensor

C348S312000, C348S294000

Reexamination Certificate

active

06980245

ABSTRACT:
A driving method for a solid-state image sensing device having a plurality of sensor portions being disposed two-dimensionally in a horizontal and a vertical directions, and a vertical charge transfer portion being disposed between said plurality of sensor portions and being provided with transfer electrodes of a plurality of systems disposed along its disposed direction, including the steps of; selectively applying high level driving pulses to the transfer electrodes of said plurality of systems in respective sectional periods in a vertical transfer period, and transferring the signal charges read out from said plurality of sensor portions in the vertical direction, wherein a sectional period in a vertical transfer period, in which the number of systems of the transfer electrodes to be applied with high level driving pulses becomes minimum is set longer than that of the other sectional periods. It is thus made possible to increase the handling charge quantity in the vertical charge transfer portion without changing time for transfer in the vertical transfer period.

REFERENCES:
patent: 5239380 (1993-08-01), Yokoyama
patent: 5757427 (1998-05-01), Miyaguchi
patent: 5867212 (1999-02-01), Toma et al.
patent: 6075565 (2000-06-01), Tanaka et al.
patent: 6441851 (2002-08-01), Yonemoto
patent: 6515703 (2003-02-01), Suzuki et al.

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