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Laser focusing test device

A test device and laser focusing technology, applied in optics, television, instruments, etc., can solve the problems of low test accuracy, unstable weak light environment, and low test efficiency

Inactive Publication Date: 2017-02-22
SHENZHEN GIONEE COMM EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the conventional laser focusing test mainly uses manual testing one by one, and the existing disadvantages include: manual operation steps are cumbersome, and the test efficiency is low; the weak light environment in which the manual test is located is unstable, and the test accuracy is low; cause wear and tear

Method used

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] For details, please refer to figure 1 and figure 2 , which is a structural diagram of a laser focus testing device provided by a preferred embodiment of the present invention. The laser focus test device is used for focus test of the product to be tested. The test product is used to emit and receive laser light. As a preference, the product to be tested is a mobile terminal. The mobile terminal includes, but is not limited to, a tablet computer, a mobile phone...

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Abstract

The embodiment of the invention provides a laser focusing test device. The laser focusing test device is used for testing laser focusing of a product to be tested and comprises a fixed part, a first reflection plate, a second reflection part, a rotation device and a processing module, wherein the first reflection plate and the second reflection part are used for reflecting laser, and the rotation device is used for driving the first reflection plate and the second reflection plate to rotate. The first reflection plate and the second reflection plate are driven to rotate by the rotation device, and the processing module is used for respectively acquiring a test distance between the product to be tested and a reflection unit and a test distance between the product to be tested and the second reflection plate, calculating a distance difference value between the test distance and the actual distance and judging the accuracy of a laser focusing function of the product to be tested. By the laser focusing device, high-efficiency and high-accuracy detection on the laser focusing function of the product to be tested can be achieved.

Description

technical field [0001] The invention relates to the technical field of test instruments, in particular to a laser focus test device. Background technique [0002] Near-infrared laser ranging technology can quickly measure the distance from the measured object to the sensor based on the time-of-flight of photons. The laser ranging sensor can measure the target distance by emitting and receiving near-infrared rays, and then by emitting photons and receiving photons TOF (time of fly, time of flight). When the ranging technology is applied to a mobile terminal with a camera function, such as a mobile phone, a digital camera, and the like. This technology speeds up autofocus and helps focus on nearby objects in low-light conditions for a better photo experience. [0003] Therefore, various mobile terminals gradually use the near-infrared laser ranging technology to realize the laser focusing function during the shooting process. The mobile terminal using this technology needs ...

Claims

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Application Information

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IPC IPC(8): G03B43/00H04N17/00
CPCG03B43/00H04N17/002
Inventor 喻鹤陈锦涛卓仁全余长增
Owner SHENZHEN GIONEE COMM EQUIP