Compact-size image-sensing device and image-sensing element...

Details Compact-size image-sensing device and image-sensing element... Compact-size image-sensing device and image-sensing element...

2006-06-13

2006-06-13

Allen, Stephone B. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C348S302000

Reexamination Certificate

active

07060958

ABSTRACT:
The invention provides a compact-size image-sensing device and an image-sensing element thereof. The compact-size image-sensing device is composed of a plurality of image-sensing elements that are connected to one another and is connected to a signal output terminal bus. Each image-sensing element includes: a photosensitizing unit that is used to sense the light source and convert it into an electrical signal for outputting so as to generate an voltage difference; a reset circuit to charge the photosensitizing unit so that the photosensitizing unit can be reset back to its original voltage before photosensitizing; and a readout circuit, which is to store the electrical signal and read the electrical signal out to a signal output terminal bus. In addition, the reset circuit of a former image-sensing element is connected to the readout circuit of a latter image-sensing element so that every two image-sensing elements can perform reading-out and resetting simultaneously and respectively by using the same signal line. Therefore, the invention can achieve minimizing the chip size as well as lowering the production cost.

REFERENCES:
patent: 2001/0025912 (2001-10-01), Kole
patent: 2003/0133029 (2003-07-01), Booth
patent: 2003/0164441 (2003-09-01), Lyon et al.

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