Solid-state imaging device, driving control method thereof,...

Details Solid-state imaging device, driving control method thereof,... Solid-state imaging device, driving control method thereof,...

2008-09-23

2011-12-06

Aggarwal, Yogesh (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C348S297000, C348S302000, C348S301000, C348S312000

Reexamination Certificate

active

08072518

ABSTRACT:
A solid-state imaging includes a comparing circuit, an inverting circuit, and a masking circuit, and performs column parallel AD conversion processing of analog pixel signals outputted from a plurality of pixels arranged in a two-dimensional matrix form. The comparing circuit outputs a difference signal obtained by comparing each of the pixel signals outputted from the pixels with a reference signal having a ramp waveform. The inverting circuit inverts a logic of the difference signal outputted from the comparing circuit. The masking circuit masks an output of an output signal of the inverting circuit to a circuit in a subsequent stage during an input offset canceling period in which the comparing circuit is canceling an input offset between the pixel signal and the reference signal.

REFERENCES:
patent: 62292013 (1987-12-01), None
patent: 2005-278135 (2005-10-01), None

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