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Patent Searching and Data


Title:
LENS UNIT, CAMERA AND ELECTRONIC APPARATUS
Document Type and Number:
Japanese Patent JP2017040814
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lens unit including blades extending between lenses, capable of driving the lens in an optical axis direction, and reduced in length in the optical axis direction.SOLUTION: A lens unit 103 comprises a lens barrel 11, a pair of bottom plates 12, a diaphragm blade 13, a blade driving unit 14, an outer frame 15, and a lens barrel driving unit 16. The lens barrel 11 holds a plurality of lenses 104, and has a first circumferential slit 17A on its side face. The pair of bottom plates 12 include a blade chamber 23 formed between respective apertures 22 overlapped with one another, the apertures 22 arranged between the lenses 104, and in part protrude from the first slit 17A. The diaphragm blade 13 is arranged in the blade chamber 23, and actuated to reciprocate to progress to the aperture 22. The blade driving unit 14 holds the part of the pair of bottom plates 12 protruding from the first slit 17A, and actuates the diaphragm blade 13 to reciprocate. The outer frame 15 holds the lens barrel 11 so as to slide in the optical axis direction. The lens barrel driving unit 16 drives the lens barrel 11 in the optical axis direction.SELECTED DRAWING: Figure 2

Inventors:
IMAI KENZO
WATABE NOBUAKI
Application Number:
JP2015162985A
Publication Date:
February 23, 2017
Filing Date:
August 20, 2015
Export Citation:
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Assignee:
NIDEC COPAL CORP
International Classes:
G02B7/02; G02B7/04; G02B7/08; G03B9/02; G03B9/12; G03B11/00; H04N5/225
Domestic Patent References:
JP2007271670A2007-10-18
JP2011102823A2011-05-26
JP2012255972A2012-12-27
JP2005062315A2005-03-10
JP2012002837A2012-01-05
JPH11142906A1999-05-28
Foreign References:
WO2005036251A12005-04-21
Attorney, Agent or Firm:
Kimura Mitsuru
Taiji Morikawa
Kenro Shirai
Hirase Minoru