レンズ駆動装置 - MITSUMI ELECTRIC CO.,LTD.

Title:

レンズ駆動装置

Document Type and Number:

Japanese Patent JP5821356

Kind Code:

B2

Abstract:

An AF unit of a lens holder driving device includes a lens holder, a focusing coil, a permanent magnet having a plurality of permanent magnet pieces having first surfaces opposed to the focusing coil, a magnet holder holding the permanent magnet, and first and second leaf springs supporting the lens holder in a direction of an optical axis shiftably. An image stabilizer portion includes a fixed portion disposed near the second leaf spring, a supporting member swingably supporting the AF unit with respect to the fixed portion, an image stabilizer coil having a plurality of image stabilizer coil portions disposed so as to oppose to second surfaces of the plurality of permanent magnet pieces that are perpendicular to the first surfaces, and a plurality of Hall elements. Each Hall element is disposed at a position where the image stabilizer coil portion is separated into a plurality of coil parts.

Inventors:

Masakichi Sugawara

Application Number:

JP2011157035A

Publication Date:

November 24, 2015

Filing Date:

July 15, 2011

Export Citation:

Click for automatic bibliography generation Help