Title:
光学部材及び該光学部材を用いた光量調節装置
Document Type and Number:
Japanese Patent JP5567841
Kind Code:
B2
Inventors:
Takayuki Wakabayashi
Michio Yanagi
Michio Yanagi
Application Number:
JP2010010075A
Publication Date:
August 06, 2014
Filing Date:
January 20, 2010
Export Citation:
Assignee:
Canon Electronics Inc.
International Classes:
G03B9/02; G02B5/00; G03B9/10; G03B11/00
Domestic Patent References:
| JP2002327730A | ||||
| JP2009053620A | ||||
| JP2009287082A | ||||
| JP62004590A | ||||
| JP2007178823A |
Attorney, Agent or Firm:
Yasuhiko Hibiya