GB1433992A - Camera diaphragms - Google Patents

Camera diaphragms

Info

Publication number
GB1433992A
GB1433992A GB1390074A GB1390074A GB1433992A GB 1433992 A GB1433992 A GB 1433992A GB 1390074 A GB1390074 A GB 1390074A GB 1390074 A GB1390074 A GB 1390074A GB 1433992 A GB1433992 A GB 1433992A
Authority
GB
United Kingdom
Prior art keywords
ring
pin
value
mark
pointer
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
GB1390074A
Other languages
English (en)
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.)
FRANKE HEIDECKE GmbH
ROLLEI-WERKE FRANKE HEIDECKE
Original Assignee
FRANKE HEIDECKE GmbH
ROLLEI-WERKE FRANKE HEIDECKE
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
Priority claimed from DE19732318432 external-priority patent/DE2318432C3/de
Application filed by FRANKE HEIDECKE GmbH, ROLLEI-WERKE FRANKE HEIDECKE filed Critical FRANKE HEIDECKE GmbH
Publication of GB1433992A publication Critical patent/GB1433992A/en
Expired 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/085—Analogue circuits for control of aperture
    • 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
    • G03B9/07—Diaphragms with means for presetting the diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Diaphragms For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Exposure Control For Cameras (AREA)
  • Accessories Of Cameras (AREA)
GB1390074A 1973-04-12 1974-03-28 Camera diaphragms Expired GB1433992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732318432 DE2318432C3 (de) 1973-04-12 Vorrichtung zum Anzeigen von manueller oder automatischer Blendeneinstellung sowie der eingestellten Blendenwerte

Publications (1)

Publication Number Publication Date
GB1433992A true GB1433992A (en) 1976-04-28

Family

ID=5877842

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1390074A Expired GB1433992A (en) 1973-04-12 1974-03-28 Camera diaphragms

Country Status (3)

Country Link
JP (1) JPS5817937B2 (enrdf_load_stackoverflow)
DD (1) DD110364A5 (enrdf_load_stackoverflow)
GB (1) GB1433992A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51147422U (enrdf_load_stackoverflow) * 1975-05-21 1976-11-26
JPH0348567Y2 (enrdf_load_stackoverflow) * 1980-02-25 1991-10-17
JPS5888246U (ja) * 1981-12-02 1983-06-15 株式会社東芝 露光量調節装置
JP5166597B1 (ja) 2011-12-27 2013-03-21 株式会社コシナ レンズの絞り装置

Also Published As

Publication number Publication date
DE2318432A1 (de) 1974-10-24
JPS509423A (enrdf_load_stackoverflow) 1975-01-30
JPS5817937B2 (ja) 1983-04-11
DE2318432B2 (de) 1977-03-10
DD110364A5 (enrdf_load_stackoverflow) 1974-12-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee