JPS59129840A - カメラ等に於ける絞り装置 - Google Patents

カメラ等に於ける絞り装置

Info

Publication number
JPS59129840A
JPS59129840A JP58005592A JP559283A JPS59129840A JP S59129840 A JPS59129840 A JP S59129840A JP 58005592 A JP58005592 A JP 58005592A JP 559283 A JP559283 A JP 559283A JP S59129840 A JPS59129840 A JP S59129840A
Authority
JP
Japan
Prior art keywords
aperture
operating ring
electrostrictive element
blade
output
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.)
Granted
Application number
JP58005592A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0466006B2 (enrdf_load_stackoverflow
Inventor
Hiroyoshi Inaba
弘義 稲葉
Akiyasu Washimi
鷲見　明保
Hidefumi Notazu
英文 野田頭
Makoto Katsuma
勝間　真
Hiroyasu Murakami
村上　博泰
Akira Hiramatsu
平松　明
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 JP58005592A priority Critical patent/JPS59129840A/ja
Priority to US06/570,352 priority patent/US4491401A/en
Publication of JPS59129840A publication Critical patent/JPS59129840A/ja
Publication of JPH0466006B2 publication Critical patent/JPH0466006B2/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
    • G03B9/02—Diaphragms
    • G03B9/06—Two or more co-operating pivoted blades, e.g. iris type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
JP58005592A 1983-01-17 1983-01-17 カメラ等に於ける絞り装置 Granted JPS59129840A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58005592A JPS59129840A (ja) 1983-01-17 1983-01-17 カメラ等に於ける絞り装置
US06/570,352 US4491401A (en) 1983-01-17 1984-01-13 Diaphragm device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58005592A JPS59129840A (ja) 1983-01-17 1983-01-17 カメラ等に於ける絞り装置

Publications (2)

Publication Number Publication Date
JPS59129840A true JPS59129840A (ja) 1984-07-26
JPH0466006B2 JPH0466006B2 (enrdf_load_stackoverflow) 1992-10-21

Family

ID=11615503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58005592A Granted JPS59129840A (ja) 1983-01-17 1983-01-17 カメラ等に於ける絞り装置

Country Status (1)

Country Link
JP (1) JPS59129840A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0466006B2 (enrdf_load_stackoverflow) 1992-10-21

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