JP2001228508A - バリア装置及びカメラ - Google Patents

バリア装置及びカメラ

Info

Publication number
JP2001228508A
JP2001228508A JP2000040841A JP2000040841A JP2001228508A JP 2001228508 A JP2001228508 A JP 2001228508A JP 2000040841 A JP2000040841 A JP 2000040841A JP 2000040841 A JP2000040841 A JP 2000040841A JP 2001228508 A JP2001228508 A JP 2001228508A
Authority
JP
Japan
Prior art keywords
barrier
barrier member
lens
tip
distal end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP2000040841A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001228508A5 (enExample
Inventor
Takayuki Tsuboi
孝之 坪井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2000040841A priority Critical patent/JP2001228508A/ja
Priority to US09/543,658 priority patent/US6443634B1/en
Publication of JP2001228508A publication Critical patent/JP2001228508A/ja
Publication of JP2001228508A5 publication Critical patent/JP2001228508A5/ja
Withdrawn legal-status Critical Current

Links

Landscapes

  • Blocking Light For Cameras (AREA)
JP2000040841A 1999-04-09 2000-02-18 バリア装置及びカメラ Withdrawn JP2001228508A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000040841A JP2001228508A (ja) 2000-02-18 2000-02-18 バリア装置及びカメラ
US09/543,658 US6443634B1 (en) 1999-04-09 2000-04-05 Optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000040841A JP2001228508A (ja) 2000-02-18 2000-02-18 バリア装置及びカメラ

Publications (2)

Publication Number Publication Date
JP2001228508A true JP2001228508A (ja) 2001-08-24
JP2001228508A5 JP2001228508A5 (enExample) 2007-04-05

Family

ID=18564164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000040841A Withdrawn JP2001228508A (ja) 1999-04-09 2000-02-18 バリア装置及びカメラ

Country Status (1)

Country Link
JP (1) JP2001228508A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005292531A (ja) * 2004-04-01 2005-10-20 Nisca Corp 光量調節装置及びこれを用いたプロジェクタ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005292531A (ja) * 2004-04-01 2005-10-20 Nisca Corp 光量調節装置及びこれを用いたプロジェクタ

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