Image sensor

Details Image sensor Image sensor

2011-05-31

2011-05-31

Aggarwal, Yogesh K (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C348S297000, C348S298000, C348S302000, C348S308000

Reexamination Certificate

active

07952629

ABSTRACT:
The invention relates to an image sensor for cameras which includes a plurality of pixels arranged in lines and columns. The pixels each include a light-sensitive detector element to generate electrical charge from incident light, a transfer gate, a readout node which is charge-coupled to the detector element via the transfer gate, a converter circuit to generate a measurement signal which is proportional to a charge present in the readout node, and a reset device to reset a charge present in the readout node to a reference value. The image sensor furthermore includes a control device for the control of the transfer gate and of the of the reset device of the respective pixel. The control device is configured such that the charge generated during a single exposure procedure in the respective detector element is transferred from the detector element to the readout node in a plurality of portions. The invention furthermore relates to a method for the reading out of an image sensor.

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