DE2324804A1 - Irisblende - Google Patents

Irisblende

Info

Publication number
DE2324804A1
DE2324804A1 DE2324804A DE2324804A DE2324804A1 DE 2324804 A1 DE2324804 A1 DE 2324804A1 DE 2324804 A DE2324804 A DE 2324804A DE 2324804 A DE2324804 A DE 2324804A DE 2324804 A1 DE2324804 A1 DE 2324804A1
Authority
DE
Germany
Prior art keywords
lamella
iris diaphragm
arc
beam path
lamellas
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.)
Pending
Application number
DE2324804A
Other languages
German (de)
English (en)
Inventor
John Leonard Farnsworth
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.)
Rank Organization Ltd
Original Assignee
Rank Organization Ltd
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 Rank Organization Ltd filed Critical Rank Organization Ltd
Publication of DE2324804A1 publication Critical patent/DE2324804A1/de
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • Microscoopes, Condenser (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
DE2324804A 1972-05-17 1973-05-16 Irisblende Pending DE2324804A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2309672A GB1386310A (en) 1972-05-17 1972-05-17 Fully closing iris diaphragm

Publications (1)

Publication Number Publication Date
DE2324804A1 true DE2324804A1 (de) 1973-12-06

Family

ID=10190046

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2324804A Pending DE2324804A1 (de) 1972-05-17 1973-05-16 Irisblende

Country Status (4)

Country Link
US (1) US3836234A (US20100056889A1-20100304-C00004.png)
DE (1) DE2324804A1 (US20100056889A1-20100304-C00004.png)
FR (1) FR2185253A5 (US20100056889A1-20100304-C00004.png)
GB (1) GB1386310A (US20100056889A1-20100304-C00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10309340B3 (de) * 2003-03-03 2004-07-22 Leica Microsystems Wetzlar Gmbh Irisblenden-Einrichtung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113359A (en) * 1977-03-16 1978-09-12 Hiroshi Koike Automatic diaphragm assembly
US5923913A (en) * 1998-02-04 1999-07-13 Eastman Kodak Company Iris diaphragm
KR101988330B1 (ko) * 2012-10-08 2019-06-13 삼성전자주식회사 공기조화기의 실내기 및 그 제어방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US622592A (en) * 1899-04-04 Ernst max berger
US745313A (en) * 1902-02-24 1903-12-01 John Walton Ventilator.
US1388938A (en) * 1920-05-19 1921-08-30 Enders Hugo Dissolving shutter for cameras
US3098421A (en) * 1959-03-30 1963-07-23 Ohara Naoyuki Depth of field verifying device
DE1815349A1 (de) * 1968-12-18 1970-06-25 Schneider Co Optische Werke Blende mit mehreren bogenfoermigen,durch ein Gelenk miteinander verbundenen Lamellenpaaren

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10309340B3 (de) * 2003-03-03 2004-07-22 Leica Microsystems Wetzlar Gmbh Irisblenden-Einrichtung
US6980376B2 (en) 2003-03-03 2005-12-27 Leica Microsystems Wetzlar Gmbh Iris diaphragm device

Also Published As

Publication number Publication date
GB1386310A (en) 1975-03-05
US3836234A (en) 1974-09-17
FR2185253A5 (US20100056889A1-20100304-C00004.png) 1973-12-28

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Legal Events

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