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Pick-up head module and system using image sensor for automatic focusing

An image sensor and sensor module technology, applied in the field of cameras, can solve the problems of complex lens design and difficult optical application.

Inactive Publication Date: 2008-06-04
田小丰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the autofocus system on the market realizes autofocus by moving the lens, which makes the lens design more complicated, and it is more difficult in some optical applications.

Method used

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  • Pick-up head module and system using image sensor for automatic focusing
  • Pick-up head module and system using image sensor for automatic focusing

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Embodiment Construction

[0016] The principle, characteristics and purpose of the present invention using an image sensor auto-focus camera module and system will be further described below in conjunction with the accompanying drawings.

[0017] figure 1 Utilize the structural representation of image sensor autofocus camera module for the present invention, as figure 1 As shown, the module includes:

[0018] - lens module 11, focusing the image;

[0019] - the image sensor 12, which converts the image into a digital signal for output;

[0020] ——The main control chip board, which is used to process images and transmit images;

[0021] - The controller 14 is used to control the movement of the image sensor, so as to change its total optical path difference and focus the image information.

[0022] figure 2 Utilize the movement of image sensor for the present invention to realize the principle flowchart of autofocus camera system, its steps include:

[0023] A. The sensor module of the camera cap...

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PUM

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Abstract

The present invention relates to a camera module and system utilizing image sensor for automatic focusing. The module comprises a sensor module and a controller, wherein, focusing is realized through the movement of the sensor module; the controller is used to control the movement of the sensor module, so as to change the total optical path difference and focus image information. The present invention is characterized in overcoming the defect that the prior art realizes automatic focusing by moving lenses, realizing focusing by moving the sensor module or a PCB plate of a fixed sensor, realizing automatic focal length regulation and leading cameras to be more flexible.

Description

【Technical field】 [0001] The present invention relates to a camera, and in particular to an autofocus camera module and system utilizing an image sensor. 【Background technique】 [0002] At present, the autofocus systems on the market realize autofocus by moving the lens, which makes the lens design more complicated, and it is more difficult in some optical applications. 【Content of invention】 [0003] In view of the above existing problems, the object of the present invention is to provide focusing by using a mobile image sensor or a PCB board with a mobile fixed sensor, so that the existing lens does not need to be changed. [0004] In order to achieve the above purpose, the camera module using the image sensor to automatically focus includes: [0005] An image sensor module, capturing image information; [0006] A controller is used to control the movement of the image sensor so as to change its total optical path difference and focus the image information. [0007] T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B13/36H04N5/232
Inventor 田小丰
Owner 田小丰