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Image-sensing device and image-sensing method

A technology of image sensing and image capture, which is applied in image communication, TV, color TV parts, etc. It can solve the problems affecting the quality of image data and achieve the effect of reducing power supply noise

Active Publication Date: 2012-10-17
PIXART IMAGING INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the above problems, the present invention provides an image sensing device and an image sensing method to solve the problem in the prior art that the noise generated by the noise source affects the quality of the captured image data in the process of capturing images

Method used

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  • Image-sensing device and image-sensing method

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Embodiment Construction

[0045] refer to figure 1 , which shows an image sensing device according to an embodiment of the present invention.

[0046] The image sensing device includes an image capture circuit 110 , a plurality of logic circuits, a timing generator 150 and an interrupt circuit 190 .

[0047] In this way, in the image sensing device, all related logic circuits can be divided into logic circuits related to reading of image data (ie, the first logic circuit 130) and logic circuits not related to reading of image data ( That is, the second logic circuit 170). In other words, the image sensing process can be roughly divided into a sensing period and a reading period.

[0048] The first logic circuit 130 is electrically connected between the image capture circuit 110 and the timing generator 150 . The second logic circuit 170 is electrically connected to the image capture circuit 110 . Moreover, the interruption circuit 190 is electrically connected between the timing generator 150 and t...

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Abstract

The invention relates to an image-sensing device and an image-sensing method. Because an interrupt circuit is arranged, during the execution of image data reading, the interrupt circuit is utilized to interrupt the frequency signal inputted to a logic circuit irrelevant to the reading of image data, so that the operation of the logic circuit is temporarily interrupted, and thereby the power supply noise caused by the current generated by the logic circuit in operation is reduced.

Description

technical field [0001] The present invention relates to an image sensing system, in particular to an image sensing device and an image sensing method. Background technique [0002] In a modern society with advanced information, image transmission has become one of the important ways for people to transmit information. With the advancement of technology, image sensing systems have been widely used in many fields, such as medical, space, military, and people's livelihood and other fields. [0003] In an image sensing system, an image sensor is mainly used to capture images. The basic principle of the image sensing system is to project the image onto the image array of the image sensor, then capture the image through the image array, and then obtain the digital image data corresponding to the image through the signal processing of the electronic circuit. Then the obtained digital image signal is stored in the storage medium. [0004] Common image sensors currently on the mar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/335H04N5/341H04N25/00
Inventor 何乐群颜文正张耿豪
Owner PIXART IMAGING INC