Title:
A light volume adjustment and optical apparatus
Document Type and Number:
Japanese Patent JP6051033
Kind Code:
B2
Inventors:
Satoshi Kozu
Application Number:
JP2012274970A
Publication Date:
December 21, 2016
Filing Date:
December 17, 2012
Export Citation:
Assignee:
Canon Electronics Inc.
International Classes:
G03B9/02; G03B9/06
Domestic Patent References:
| JP2002051524A | ||||
| JP2004048874A | ||||
| JP2010281970A | ||||
| JP2012053492A | ||||
| JP2007500869A |
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsushi Mizumoto
Atsushi Mizumoto