Solid state imaging device having timing signal generation...

Details Solid state imaging device having timing signal generation... Solid state imaging device having timing signal generation...

2006-06-13

2006-06-13

Ho, Tuan (Department: 2612)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S689000, C358S539000

Reexamination Certificate

active

07061531

ABSTRACT:
An imaging device uses a solid state imaging element, during multi-field accumulation to prevent shading and oscillatory phenomena such as repeated black and white patterns. A signal is supplied from a timing signal generation circuit to switches, and controls the ON/OFF operation. During the H period of the signal, the switch is closed, and the output value of an amplifier is input to a capacitor. During the L period of the signal, the switch is opened, and the average value of the output of the amplifier is maintained in the capacitor. During the H period, the switch is open, while during the L period, the switch is in the ON state. At this time, the level of the capacitor C2and the output of the amplifier are input to an amplifier, and their difference is amplified and supplied to a capacitor C3via the switch.

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Official Translation of Japanese Publ. No. 04-291576 A, Ralph McElroy Translation Company, Feb. 2005.

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