Title:
LINEAR ACTUATOR, INTERCHANGEABLE LENS, AND IMAGE CAPTURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/053542
Kind Code:
A1
Abstract:
This linear actuator is provided with: a fixed rod having at least two magnets and at least one inner yoke, wherein the magnets and the inner yoke are alternately connected and the same poles of the magnets positioned on both sides are connected to the inner yoke; and a plurality of cylindrical movable coils into which the fixed rod is inserted and which is movable with respect to the fixed rod in a direction in which the magnets and the inner yoke are connected, the plurality of movable coils being individually movable with respect to the fixed rod.
Inventors:
FUJII KATSUYA (JP)
TANAKA TETSU (JP)
TANAKA TETSU (JP)
Application Number:
PCT/JP2023/031740
Publication Date:
March 14, 2024
Filing Date:
August 31, 2023
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
H02K41/03; G02B7/04
Foreign References:
| JP2000166215A | 2000-06-16 | |||
| JP2016086617A | 2016-05-19 | |||
| JP2015173580A | 2015-10-01 | |||
| JPH06207945A | 1994-07-26 | |||
| JP2010072062A | 2010-04-02 | |||
| JP2016180977A | 2016-10-13 |
Attorney, Agent or Firm:
TECHNOPEER PATENTS & TRADEMARKS (JP)
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