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Title:
LENS UNIT AND CAMERA WITH THE SAME
Document Type and Number:
WIPO Patent Application WO/2004/109388
Kind Code:
A1
Abstract:
A lens unit with a simple structure, of low cost, and having less possibility of failure. The lens unit enables a camera to be thin when the unit is retracted and a lens surface to be protected. A camera with the lens unit is also provided. A lens unit (11) has a shooting optical system and lens protection means for protecting the object side surface of the shooting optical system. The lens unit (11) is characterized in that the shooting optical system and the lens protection means are driven by the same drive source, and switching is made such that, when either of the shooting optical system or the lens protection means is at position (A) on a shooting optical axis, the other is at a different position evacuated from the position (A).

Inventors:
Matsugae, Masao c/o Konica, Minolta Opto (Inc. 2970, Ishikawa-mach, Hachioji-shi Tokyo 05, 19285, JP)
Shimazaki, Yoshio c/o Konica, Minolta Opto (Inc. 2970, Ishikawa-mach, Hachioji-shi Tokyo 05, 19285, JP)
Sato, Hiroshi c/o Konica, Minolta Opto (Inc. 2970, Ishikawa-mach, Hachioji-shi Tokyo 05, 19285, JP)
Imaizumi, Toshio c/o Konica, Minolta Opto (Inc. 2970, Ishikawa-mach, Hachioji-shi Tokyo 05, 19285, JP)
Application Number:
PCT/JP2004/007884
Publication Date:
December 16, 2004
Filing Date:
June 01, 2004
Export Citation:
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Assignee:
KONICA MINOLTA OPTO, INC. (2970, Ishikawa-machi Hachioji-shi, Tokyo 05, 19285, JP)
Matsugae, Masao c/o Konica, Minolta Opto (Inc. 2970, Ishikawa-mach, Hachioji-shi Tokyo 05, 19285, JP)
Shimazaki, Yoshio c/o Konica, Minolta Opto (Inc. 2970, Ishikawa-mach, Hachioji-shi Tokyo 05, 19285, JP)
Sato, Hiroshi c/o Konica, Minolta Opto (Inc. 2970, Ishikawa-mach, Hachioji-shi Tokyo 05, 19285, JP)
Imaizumi, Toshio c/o Konica, Minolta Opto (Inc. 2970, Ishikawa-mach, Hachioji-shi Tokyo 05, 19285, JP)
International Classes:
G02B7/02; G02B7/08; G03B11/04; G03B17/04; H04N5/225; H04N101/00; (IPC1-7): G03B17/04; G02B7/02; G02B7/08; G03B11/04; H04N5/225
Foreign References:
JPH02170148A
JP2003262908A
JPS59165040A
JP2003057705A
Attorney, Agent or Firm:
Suzuki, Hiroh (Suzuki International Patent Office, Chanokiya Bldg. 3-1, Nihonbashi-Honcho 2-chom, Chuo-ku Tokyo 23, 10300, JP)
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