Title:
投光範囲を変更可能な投光光学系及びそれを備えた投光装置
Document Type and Number:
Japanese Patent JP4931137
Kind Code:
B2
Inventors:
Shigeyuki Minami
Toshihide Nozawa
Seiji Ohashi
Toshihide Nozawa
Seiji Ohashi
Application Number:
JP2007142885A
Publication Date:
May 16, 2012
Filing Date:
May 30, 2007
Export Citation:
Assignee:
Olympus Imaging Corporation
International Classes:
F21S2/00; F21V14/06; G02B13/00; G02B13/18; F21Y101/02
Domestic Patent References:
JP2119002A | ||||
JP2119001A | ||||
JP56059401A | ||||
JP7192504A | ||||
JP8321205A | ||||
JP2007115474A | ||||
JP2007109561A | ||||
JP2003217309A | ||||
JP2007012530A |
Attorney, Agent or Firm:
Keisuke Saito