Title:
LIGHT CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/073236
Kind Code:
A1
Abstract:
A light control device (1) is provided with: a driving part (2) having an axial magnet (11), a coil core (12), and coils (13); a first base plate (3) that has a light passage opening (3c), and a first notch (3d) for inserting the axial magnet (11), and whereon the coils (13) and the coil core (12) are disposed on one side; a second base plate (4) that has a light passage opening (4c), and a second notch (4d) for inserting the axial magnet (11), and is formed at a prescribed interval from the first base plate (3); an incident light control part (6); and an axial magnet support member (21) that has a distance-maintaining part (21b), which maintains the distance between the coil core (12) and the axial magnet (11) in a fixed range, and a dropout-preventing part (21c), which prevents the axial magnet (11) from dropping out from the first notch (3d), and that is secured to the coil core (12). The incident light control part (6) is rotated by the driving part (2) so as to be displaced to a retraction position and an insertion position, thereby controlling incident light.
Inventors:
MATSUKI KAORU (JP)
SUGA TAKESHI
SUGA TAKESHI
Application Number:
PCT/JP2013/066682
Publication Date:
May 15, 2014
Filing Date:
June 18, 2013
Export Citation:
Assignee:
OLYMPUS CORP (JP)
OLYMPUS MEDICAL SYSTEMS CORP (JP)
MATSUKI KAORU (JP)
SUGA TAKESHI
OLYMPUS MEDICAL SYSTEMS CORP (JP)
MATSUKI KAORU (JP)
SUGA TAKESHI
International Classes:
G03B9/02
Foreign References:
| JP2011033910A | 2011-02-17 | |||
| JP2009008719A | 2009-01-15 | |||
| JP2007060730A | 2007-03-08 | |||
| JPH0922042A | 1997-01-21 | |||
| JP2010186168A | 2010-08-26 |
Other References:
See also references of EP 2919065A4
Attorney, Agent or Firm:
ITOH SUSUMU (JP)
Susumu Ito (JP)
Susumu Ito (JP)
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