JPH0241727B2 - - Google Patents

Info

Publication number
JPH0241727B2
JPH0241727B2 JP19665481A JP19665481A JPH0241727B2 JP H0241727 B2 JPH0241727 B2 JP H0241727B2 JP 19665481 A JP19665481 A JP 19665481A JP 19665481 A JP19665481 A JP 19665481A JP H0241727 B2 JPH0241727 B2 JP H0241727B2
Authority
JP
Japan
Prior art keywords
blade
blades
shutter
light
lightening
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.)
Expired
Application number
JP19665481A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58174927A (ja
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 filed Critical
Priority to JP19665481A priority Critical patent/JPS58174927A/ja
Priority to US06/422,951 priority patent/US4486084A/en
Priority to DE19823240950 priority patent/DE3240950A1/de
Publication of JPS58174927A publication Critical patent/JPS58174927A/ja
Publication of JPH0241727B2 publication Critical patent/JPH0241727B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/18—More than two members

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • Shutters For Cameras (AREA)
JP19665481A 1981-12-07 1981-12-07 光制御装置用遮光羽根及び該遮光羽根を使用した光制御装置 Granted JPS58174927A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP19665481A JPS58174927A (ja) 1981-12-07 1981-12-07 光制御装置用遮光羽根及び該遮光羽根を使用した光制御装置
US06/422,951 US4486084A (en) 1981-12-07 1982-09-24 Light shield blades for light control device and light control device utilizing said light shield blades
DE19823240950 DE3240950A1 (de) 1981-12-07 1982-11-05 Abschirmlamellen fuer lichtsteuereinrichtungen und solche abschirmlamellen verwendende lichtsteuereinrichtungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19665481A JPS58174927A (ja) 1981-12-07 1981-12-07 光制御装置用遮光羽根及び該遮光羽根を使用した光制御装置

Publications (2)

Publication Number Publication Date
JPS58174927A JPS58174927A (ja) 1983-10-14
JPH0241727B2 true JPH0241727B2 (en, 2012) 1990-09-19

Family

ID=16361368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19665481A Granted JPS58174927A (ja) 1981-12-07 1981-12-07 光制御装置用遮光羽根及び該遮光羽根を使用した光制御装置

Country Status (1)

Country Link
JP (1) JPS58174927A (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62127532U (en, 2012) * 1986-02-04 1987-08-13
JPH073535B2 (ja) * 1986-09-10 1995-01-18 株式会社精工舎 分割羽根シヤツタの羽根支持装置
JP4003790B2 (ja) 2005-08-23 2007-11-07 セイコーエプソン株式会社 光学絞り装置、およびプロジェクタ

Also Published As

Publication number Publication date
JPS58174927A (ja) 1983-10-14

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