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Automatic focusing system of traditional camera and its automatic forcusing method

An automatic focus, camera technology, applied in cameras, focusing devices, optics, etc., can solve problems such as inconvenience

Inactive Publication Date: 2006-09-13
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As can be seen from the above, the above-mentioned known traditional camera auto-focus system and its auto-focus method obviously have inconvenience and defects in actual use, and can be improved.

Method used

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  • Automatic focusing system of traditional camera and its automatic forcusing method
  • Automatic focusing system of traditional camera and its automatic forcusing method
  • Automatic focusing system of traditional camera and its automatic forcusing method

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Embodiment Construction

[0023] see figure 2 As shown in , it is a schematic diagram of the traditional camera auto-focus system of the present invention. As can be seen from the figure, the present invention provides a traditional camera auto-focus system, including: a host computer 1, a slave computer 2, a focusing machine 3, a pneumatic switch 4 and an image capture device 5.

[0024] Wherein, the host computer 1 is a computer for controlling and processing data, and the host computer 1 further includes a control program written in a programming language, which is the VB (Visual Basic) programming language under the Microsoft EXCEL interface.

[0025] In addition, the lower computer 2 is connected to the upper computer 1 for receiving instructions from the upper computer 1, and the lower computer is an I / F (ITA / FIXTURE) fixture, and the focuser 3 is connected through the RS232 port (PORT) and the RS232 port (PORT) are respectively connected to the upper computer and the lower computer. The pneum...

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Abstract

An automatic focusing method of traditional camera includes providing a upper seat unit with control program and triggering focus command of control program for sending it to lower seat unit, driving pneumatic switch and connecting it with image pick - up component ( IPC ) of lower seat unit, sending position data of focusing point to IPC and sending response signal back to upper seat unit, sending focus command to focusing device for focusing IPC, sending focus data back to upper seat unit for calibration then sending calibrated focus data back to IPC for focusing. The focusing system for realizing said method is also disclosed.

Description

technical field [0001] The present invention relates to a traditional camera auto-focus system and its auto-focus method, especially to a simple computer interface to complete the auto-focus action, and can automatically test the reverse difference, automatically determine and store data, and pass the EXECL form Analyzed traditional camera autofocus systems and their autofocus methods. Background technique [0002] Generally speaking, focusing is the movement of the subject through the lens to obtain the clearest imaging. That is to say, the optical system of the camera is designed with infinity as the starting point. After the plane is unfolded, it will move forward and backward mechanically, and use the electronic polarimetric radar (Polarimetric Radar, PR) to detect the signal to drive the zoom lens (ZOOM) motor To move to the predetermined position, the electronic part is to control the step of the stepping motor to reach the position of the clearest point. However, it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B13/36
Inventor 洪育江
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD