Title:
A Zooming optical system for projecting and an image projection device
Document Type and Number:
Japanese Patent JP5988297
Kind Code:
B2
Inventors:
Sadaka Imamura
Katsuhiro Takamoto
Atsushi Masui
Katsuhiro Takamoto
Atsushi Masui
Application Number:
JP2012179416A
Publication Date:
September 07, 2016
Filing Date:
August 13, 2012
Export Citation:
Assignee:
Konica Minolta Co., Ltd.
International Classes:
G02B15/20; G02B13/24; G03B21/00; G03B21/14
Domestic Patent References:
| JP2007241184A | ||||
| JP2008242402A | ||||
| JP2010276746A | ||||
| JP2008257005A |
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Otani
Satoshi Sakurai
Masataka Otani
Satoshi Sakurai