Title:
羽根駆動装置及び光学機器
Document Type and Number:
Japanese Patent JP5113712
Kind Code:
B2
Abstract:
A blade drive device includes: a board including an optical path opening; first and second blades cooperatively defining an amount of light passing through the optical path opening to a given amount of light. The first blade includes a first opening. The second blade includes: a first cutout portion defining the amount of light in cooperation with the first opening; and a second cutout portion defining the amount of light in cooperation with the first opening. The second cutout portion overlaps the first blade when the first cutout portion and the first opening cooperatively define the amount of light.
Inventors:
Worachai Jaitham
Plapas Chalong Simpta Khun
Plapas Chalong Simpta Khun
Application Number:
JP2008265792A
Publication Date:
January 09, 2013
Filing Date:
October 14, 2008
Export Citation:
Assignee:
Seiko Precision Co., Ltd.
International Classes:
G03B9/02
Domestic Patent References:
| JP7234437A | ||||
| JP10090748A | ||||
| JP63257731A | ||||
| JP1154134A | ||||
| JP2007233054A | ||||
| JP2002055375A |
Attorney, Agent or Firm:
Shuhei Katayama
Kikuchi
Kikuchi