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Patent Searching and Data


Title:
MOTOR DRIVING DEVICE AND CAMERA MODULE
Document Type and Number:
WIPO Patent Application WO/2023/151666
Kind Code:
A1
Abstract:
A motor driving device and a camera module. The motor driving device comprises a focusing driving mechanism (8) for driving an optical lens to move along an optical axis; a variable aperture mechanism (10) for adjusting the light flux of the optical lens; an upper circuit system (4) located on the upper portion of the motor driving device, and being respectively in communication with the focusing driving mechanism (8) and the variable aperture mechanism (10); and a lower circuit system (5) located at the lower portion of the motor driving device, being in communication with the upper circuit system (4), and being suitable for communication with an external power supply apparatus. The circuit design is simple, the connection between the motor driving device and an external power supply apparatus can be simplified, and the power supply problem of the variable aperture mechanism (10) can be solved.

Inventors:
HE LIANGTING (CN)
WU ZONGHAN (CN)
XU NAIWEN (CN)
Application Number:
PCT/CN2023/075483
Publication Date:
August 17, 2023
Filing Date:
February 10, 2023
Export Citation:
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Assignee:
NINGBO SUNNY OPOTECH CO LTD (CN)
International Classes:
G02B7/04; G03B9/06; G03B5/00
Foreign References:
CN110858870A2020-03-03
CN113515001A2021-10-19
CN213210673U2021-05-14
CN112886788A2021-06-01
JP2021021846A2021-02-18
CN103676402A2014-03-26
Attorney, Agent or Firm:
SHANGHAI LIANYI INTELLECTUAL PROPERTY FIRM (CN)
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