Title:
CAMERA MODULE DRIVE MECHANISM AND LEAF SPRING FOR THE SAME
Document Type and Number:
Japanese Patent JP2014062976
Kind Code:
A
Abstract:
To move a holder holding a lens unit stably with respect to a housing.
A camera module drive mechanism 1 includes; a housing 2A, a holder 9 which is movably located in the housing 2 and accommodates a lens unit 26A, a coil 8 mounted on the holder 9, a yoke 6 and a magnet piece 7 mounted on the housing 2A, and a pair of leaf springs 5, 11 located between the housing 2A and the holder 9. A spring constant k1 of one of the pair of leaf springs 5, 11 and a spring constant k2 of the other of the pair of leaf springs 5, 11 satisfy conditions expressed as: k1≥k2, (k1-k2)/k1≤0.1.
Inventors:
IKENAGA CHIKAO
Application Number:
JP2012207120A
Publication Date:
April 10, 2014
Filing Date:
September 20, 2012
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G02B7/04
Domestic Patent References:
| JP2004280031A | 2004-10-07 | |||
| JP2008131554A | 2008-06-05 | |||
| JP2006201525A | 2006-08-03 | |||
| JP2008033252A | 2008-02-14 | |||
| JP2010151007A | 2010-07-08 | |||
| JP2006227100A | 2006-08-31 |
Attorney, Agent or Firm:
Hirohito Katsunuma
Hiroyuki Nagai
Katsuomi Isogai
Yukihiro Hotta
Hiroyuki Nagai
Katsuomi Isogai
Yukihiro Hotta
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