Image sensor and method for driving an image sensor for...

Television – Camera – system and detail – Combined image signal generator and general image signal...

Reexamination Certificate

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Reexamination Certificate

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06950132

ABSTRACT:
There is provided a method of driving an image sensor which can remove FPN resulting from inter-chip variations without requiring any dark correction. A semiconductor photosensor chip has a plurality of sensor modules mounted on a mounting substrate, and a semiconductor device in which at least an N signal input buffer circuit for receiving N signals, an S signal input buffer circuit for receiving S signals, a differential circuit for calculating any difference between the outputs from the N and S signal input buffer circuits, and a voltage clamping circuit for clamping the output from the differential circuit are formed on a single semiconductor substrate, and the voltage clamping circuit clamps the reset state of S and N signal common output line.

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Shin Kikuchi et al. “High Speed, High Gradation Contact Type Linear Sensor BASIS Multi-Chip Contact Sensor”, Journal of Television Society, vol. 47, No. 9, (1993), pp. 1177-1182, in Japanese with English Abstract.

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