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Lens focusing device and electronic equipment

A focus device and lens technology, applied in the field of photography, can solve problems such as incoherent focus, image jumps, and a large number of components

Pending Publication Date: 2022-04-15
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing cameras use multiple modules, resulting in a large number of components and a complex structure; and when focusing, they will switch between different modules, resulting in incoherent focusing, which will cause image jumps

Method used

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  • Lens focusing device and electronic equipment
  • Lens focusing device and electronic equipment
  • Lens focusing device and electronic equipment

Examples

Experimental program
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Embodiment Construction

[0027] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application.

[0028] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as used herein re...

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Abstract

The invention provides a lens focusing device and electronic equipment. The lens focusing device comprises a lens assembly, a piezoelectric motor, a multi-pole magnet and a positioning sensor. The piezoelectric motor is provided with a driving shaft connected with the lens assembly, and the driving shaft drives the lens assembly to do linear motion so as to achieve focusing. The driving shaft extends along the linear motion direction of the lens assembly, and the length of the driving shaft covers the linear motion stroke of the lens assembly. The multi-pole magnet is arranged on the lens assembly and moves along with the lens assembly. The positioning sensor is arranged opposite to the multi-pole magnet and used for detecting the movement position of the multi-pole magnet. According to the lens focusing device, the piezoelectric motor is adopted to drive the lens to move, large-stroke and high-precision driving can be achieved, and meanwhile, the multi-pole magnet and the positioning sensor are matched to achieve lens movement position detection in the large-stroke movement process. The electronic equipment provided by the invention comprises the lens focusing device.

Description

technical field [0001] The present application relates to the field of camera technology, and in particular to a lens focusing device and electronic equipment. Background technique [0002] With the continuous upgrading of smart phones, the camera functions of smart phones are becoming more and more powerful. Correspondingly, the number of camera-related components on smart phones is also increasing synchronously, and the structure is becoming more and more complex. In order to realize the functions covering long-range, medium-range and close-range shooting at the same time, existing cameras are usually realized by a combination of a telephoto module, a main camera module and a macro module. However, existing cameras use multiple modules, resulting in a large number of components and complex structures; moreover, when focusing, they switch between different modules, resulting in incoherent focusing and image jumps. In view of this, the prior art needs to be improved. Cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232G02B7/09G03B13/36G03B30/00
Inventor 王剑锋杨宗保
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD