BACK FOCUS ADJUSTMENT MECHANISM AND VIDEO CAMERA PROVIDED WITH SAME

Title:

BACK FOCUS ADJUSTMENT MECHANISM AND VIDEO CAMERA PROVIDED WITH SAME

Document Type and Number:

WIPO Patent Application WO/2017/193508

Kind Code:

A1

Abstract:

A back focus adjustment mechanism and a video camera provided with the same. The back focus adjustment mechanism comprises a driving device (10) and a positioning and guiding device (20) that are separated disposed. The positioning and guiding device (20) comprises a positioning assembly (21) and a guiding assembly (22). The guiding assembly (22) is mounted on the positioning assembly (21). The driving device (10) is in driving connection with the guiding assembly (22) to drive the guiding assembly (22) to move. In the back focus adjustment mechanism and the video camera provided with the same, after the driving device (10) and the positioning and guiding device (20) are separately disposed, the structures of the back focus adjustment mechanism can be simpler, and the reliability of the structures in the back focus adjustment mechanism is improved in the same processing precision.

Inventors:

XIE QINGWEI (CN)

Application Number:

PCT/CN2016/097536

Publication Date:

November 16, 2017

Filing Date:

August 31, 2016

Export Citation:

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Assignee:

HANGZHOU HIKVISION DIGITAL TEC (CN)

International Classes:

G03B13/34

Foreign References:

CN203084398U	2013-07-24
CN103592736A	2014-02-19
CN203405656U	2014-01-22
CN102346351A	2012-02-08
JP2011004139A	2011-01-06
US6839086B1	2005-01-04

Other References: