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Mems-based zoom lens system

A technology of zoom lens and lens, applied in the field of zoom lens system

Active Publication Date: 2014-08-13
NAT UNIV OF SINGAPORE +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Implementing these functions in a miniaturized digital camera therefore presents challenging technical problems

Method used

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  • Mems-based zoom lens system
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Embodiment Construction

[0048] In this application, in a particular drawing or reference corresponding to the descriptive material, describing a given element or considering or using a particular element number can contain the same, equivalent or similar element, or that identified in another drawing The component number or descriptive material associated with it.

[0049] In this application, the word "exemplary" is used to mean serving as an example, instance or illustration. Any embodiment or design described herein as "exemplary" is not necessarily to be construed as a preference or preference over other embodiments or designs. Rather, use of the word "exemplary" is intended to present concepts in a concrete manner.

[0050] Unless otherwise specified, in the following descriptions, the recitation of a specific value or range of values ​​is considered to be the recitation of a specific approximate value or range of approximate values. Accordingly, given values ​​or ranges of values ​​provided b...

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Abstract

The present application provides a micromechanical (MEMS) based zoom lens system, for use in miniature device applications, such as miniature electronic imaging devices. The MEMS-based zoom lens system comprises at least four optical elements, or two Alvarez or Lohmann lenses, that are configured for passage of optical signals therethrough along an optical signal path. Each optical element is MEMS-driven and displaceable in a direction substantially transverse to the optical signal path. In use, the transverse displacement of the optical elements vary an overall focal length of the MEMS zoom lens system such as to provide an optical zoom function. A method of manufacturing a MEMS zoom lens system is also provided in a further aspect.

Description

technical field [0001] The present application generally relates to a zoom lens system, equipment, device and structure. In particular, embodiments of the present application relate to a micro-electro-mechanical (MEMS)-based micro zoom lens system or device. Furthermore, embodiments of the present application are directed to electronic imaging devices including MEMS-based zoom lens systems. Background technique [0002] With the continuous and rapid development of science and technology, more and more new technologies and associated products have been successfully presented in the commercial market in various fields, greatly enhancing / promoting human life and improving the quality of life. In the field of communications, mobile or cellular telephones provide an example of this technology. Before its invention, people had to stay close to landlines to avoid missing important calls. With the invention of mobile phones, such problems are easily solved. Users can stay connec...

Claims

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Application Information

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IPC IPC(8): G02B15/00G02B15/14G02B7/10G03B3/00
CPCG02B13/0075G02B7/102G03B2205/0084B81B5/00G02B15/00G02B26/0833G03B2205/0046G02B13/0065G03B5/02G02B13/009Y10T29/49826Y10T29/4978G02B15/1421G02B15/1425G02B15/16G02B7/09B81B2203/06H04N23/69G02B7/10
Inventor 周光亚余洪斌曹福祥
Owner NAT UNIV OF SINGAPORE
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