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Title:
EXTERNAL CONNECTION DEVICE, EYEPIECE MODULE AND HANDHELD APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/001180
Kind Code:
A1
Abstract:
Disclosed is an external connection device (300), an eyepiece module and a handheld apparatus. The external connection device (300) is used for externally connecting an eyepiece (100) to a functional component and comprises a main body part (310) and a locking mechanism (320), wherein the main body part (310) is a cylindrical structural part, the inner surface of the main body part (310) is provided with a separation portion (311) arranged in a ring shape, the separation portion (311) separates the main body part (310) into a connecting section (312) and a mounting section (313), and the main body part (310) is connected to the eyepiece (100) via the mounting section (313); a side wall of the connecting section (312) is provided with a notch region (312a) and a deformation gap (312b), the deformation gap (312b) is arranged in the circumferential direction of the connecting section (312), the notch region (312a) is in communication with the deformation gap (312b), the notch region (312a) extends to the end of the connecting section (312) away from the mounting section (313), and the connecting section (312) respectively forms a first hoop (312c) and a second hoop (312d) on two sides of the notch region (312a); and the locking mechanism (320) is separately connected to the first hoop (312c) and the second hoop (312d), and the locking mechanism (320) is used for locking the first hoop (312c) and the second hoop (312d) such that the connecting section (312) clamps and fixes the functional component.

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Inventors:
YANG JINHUA (CN)
YUAN WEIJUN (CN)
Application Number:
PCT/CN2021/080574
Publication Date:
January 06, 2022
Filing Date:
March 12, 2021
Export Citation:
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Assignee:
HANGZHOU HIKMICRO SENSING TECH CO LTD (CN)
International Classes:
G02B25/00; G02B7/00
Foreign References:
CN212135037U2020-12-11
CN2427822Y2001-04-25
CN111258020A2020-06-09
CN108845473A2018-11-20
CN207112322U2018-03-16
CN208588890U2019-03-08
CN203858404U2014-10-01
CN206332726U2017-07-14
JP2009251336A2009-10-29
US20180039165A12018-02-08
CN202021216078U2020-06-28
Other References:
See also references of EP 4174548A4
Attorney, Agent or Firm:
PATENTSINO IP FIRM (CN)
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