Title:
OPTICAL LENS BARREL, OPTICAL CONTROL UNIT AND PHOTOGRAPHING DEVICE
Document Type and Number:
Japanese Patent JP2007127720
Kind Code:
A
Abstract:
To provide an optical lens barrel capable of surely avoiding failure that light, dust and water gets in from a gap between a plurality of barrels, and driven smoothly, and an optical control unit and a photographing device.
The optical lens barrel inside which an optical system is housed is equipped with: outer walls having a plurality of barrel members having barrel shape respectively, fit mutually in a nesting state, and moving mutually by receiving driving force; and a gap member provided between the plurality of barrel members and opening/closing the gap between the plurality of barrel members by being elongated and contracted by voltage application and release thereof.
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Inventors:
HAGIWARA TATSUHIKO
NISHIKAWA NAOYUKI
OKUMURA TETSUYA
NISHIKAWA NAOYUKI
OKUMURA TETSUYA
Application Number:
JP2005318630A
Publication Date:
May 24, 2007
Filing Date:
November 01, 2005
Export Citation:
Assignee:
FUJIFILM CORP
FUJINON CORP
FUJINON CORP
International Classes:
G02B7/02; G02B7/08; G02B7/10; G03B5/00; G03B17/02; G03B17/04; G03B17/08; H04N5/225
Attorney, Agent or Firm:
Masaki Yamada
Yoshio Kosugi
Mikami Yui
Yoshio Kosugi
Mikami Yui