Title:
LENS-DRIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/044769
Kind Code:
A1
Abstract:
In the present invention, a first magnetic sensor (150) can detect a magnetic field imparted from a first position-detection-use magnet (140) that moves relative to a lens holder when the same moves in the optical axis direction. When viewed from the optical axis direction, the center of the first magnetic sensor (150) and the center of the first position-detection-use magnet (140) are positioned so as to be mutually offset in the circumferential direction of the optical axis (C).
More Like This:
| JP2801366 | [Title of Invention] Optical Control Device |
| JPH06235854 | LENS DEVICE |
| JP2006071901 | TELEVISION CAMERA |
Inventors:
SUGIMOTO TAKUYA (JP)
Application Number:
PCT/JP2020/029225
Publication Date:
March 11, 2021
Filing Date:
July 30, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
G02B7/08; G01D5/16; G02B7/04; H04N5/225
Domestic Patent References:
| WO2009147988A1 | 2009-12-10 |
Foreign References:
| JP2016080970A | 2016-05-16 | |||
| JP2017106954A | 2017-06-15 | |||
| JP2018180353A | 2018-11-15 | |||
| JP2016223894A | 2016-12-28 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
Download PDF: