Conserving stored charge in apparatus having a charge coupled de

Details Conserving stored charge in apparatus having a charge coupled de Conserving stored charge in apparatus having a charge coupled de

1984-04-10

1986-06-24

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Charge transfer device

Charge-coupled device

377 58, 377 61, G11C 1928

Patent

active

045970920

ABSTRACT:
An apparatus having a charge coupled device which is used as a solid state type image pickup apparatus and prior to inversion of the level of drive pulses supplied to two electrode groups from among a plurality of electrode groups of a CCD, each electrode group is disconnected once electrically from each drive pulse generating circuit, in which period two electrode groups whose level of drive pulse are inverted are electrically short-circuited, whereby all the charges in capacitors formed between the electrodes and a substrate are not discharged but about half of the charges can be reused for charging another capacitor which is formed between the electrodes and the substrate and is to be charged next, thus enabling a saving of power consumption, a reduction of heat dissipation losses, and enabling the miniaturization of the image pickup apparatus using a charge coupled device.

REFERENCES:
patent: 3838293 (1974-09-01), Shah
patent: 3986176 (1976-10-01), Weimer

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