Camera focusing device and method

Abstract

The invention discloses a camera focusing device, which comprises a ranging sensor, a control module and a focusing module. The invention further discloses a camera focusing method. The method comprises the following steps that (1) the ranging sensor measures a distance from a tested object to the ranging sensor, and transmits the measured distance information to the control module; (2) the control module receives the distance information transmitted by using the ranging sensor, judges according to the distance information, and transmits a control signal to the focusing module; and (3) the focusing module focuses according to the control signal transmitted by using the control module. According to the camera focusing device and the camera focusing method, the focusing times are not required to be controlled through a focusing key, and the zooming magnitude is determined according to the distance of the tested object for adjusting a focal length, sensed by the range sensor, so that the defects of slow response, poor sensitivity and low accuracy of the focusing key used in the prior art are overcome, and camera focusing can be realized flexibly and rapidly.

Description

technical field [0001] The invention relates to the field of digital cameras, in particular to a camera focusing method and device. Background technique [0002] With the continuous improvement of people's living standards, household appliances such as computers, televisions, video cameras, and cameras are becoming more and more popular in people's daily life. Digital cameras have been widely used in ordinary families. At present, people always like to use digital cameras to record the required scenes, save the beautiful moments as souvenirs and show them to relatives and friends, and leave good memories of life around them. Digital cameras have become an indispensable part of people's lives. component. At the same time, as one of the most important communication tools in people's daily life, mobile phones are usually integrated with digital cameras, and are more and more widely used and developed in the field of digital photography. [0003] A digital camera in the prior ...

AI Technical Summary

Problems solved by technology

[0008] For the first method, physical buttons respond slowly and have poor sensitivity; virtual buttons rely on the accuracy and sensitivity of the touch screen, and the accuracy and sensitivity of different touch screens are uneven, which affects the response speed and accuracy of zooming;

[0009] For the second method, multi-touch can only be realized by capacitive touch screens, resistive touch screens do not support it, and the accuracy and sensitivity of capacitive screens are uneven, which will also affect the response speed and accuracy of zooming

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