DE1538625B2 - Selbsttaetige auf licht ansprechende elektrische stellfor richtung - Google Patents

Selbsttaetige auf licht ansprechende elektrische stellfor richtung

Info

Publication number
DE1538625B2
DE1538625B2 DE19661538625 DE1538625A DE1538625B2 DE 1538625 B2 DE1538625 B2 DE 1538625B2 DE 19661538625 DE19661538625 DE 19661538625 DE 1538625 A DE1538625 A DE 1538625A DE 1538625 B2 DE1538625 B2 DE 1538625B2
Authority
DE
Germany
Prior art keywords
light
independent electrical
electrical positioning
positioning
independent
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
DE19661538625
Other languages
German (de)
English (en)
Other versions
DE1538625A1 (de
DE1538625C (fr
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
Publication of DE1538625A1 publication Critical patent/DE1538625A1/de
Publication of DE1538625B2 publication Critical patent/DE1538625B2/de
Application granted granted Critical
Publication of DE1538625C publication Critical patent/DE1538625C/de
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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Diaphragms For Cameras (AREA)
DE19661538625 1965-11-06 1966-08-12 Selbsttaetige auf licht ansprechende elektrische stellfor richtung Granted DE1538625B2 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP6817265 1965-11-06
JP6817265 1965-11-06
JP3412866 1966-05-27
JP3412866 1966-05-27
JP6634066 1966-07-13
JP6634066 1966-07-13
JP6667166 1966-07-14
JP6667166 1966-07-14
DEK0060018 1966-08-12

Publications (3)

Publication Number Publication Date
DE1538625A1 DE1538625A1 (de) 1970-07-30
DE1538625B2 true DE1538625B2 (de) 1971-11-04
DE1538625C DE1538625C (fr) 1973-01-25

Family

ID=27459896

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661538625 Granted DE1538625B2 (de) 1965-11-06 1966-08-12 Selbsttaetige auf licht ansprechende elektrische stellfor richtung

Country Status (4)

Country Link
CH (1) CH461262A (fr)
DE (1) DE1538625B2 (fr)
FR (1) FR1602264A (fr)
GB (1) GB1143739A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2225699A1 (de) * 1971-05-28 1972-12-14 Canon Kk Elektrische Schaltung fur ein Servo system sowie eine solche Schaltung ver wendendes Servosystem

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5919471A (ja) * 1982-07-24 1984-01-31 Asahi Optical Co Ltd ビデオカメラのアイリス制御回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2225699A1 (de) * 1971-05-28 1972-12-14 Canon Kk Elektrische Schaltung fur ein Servo system sowie eine solche Schaltung ver wendendes Servosystem

Also Published As

Publication number Publication date
DE1538625A1 (de) 1970-07-30
GB1143739A (en) 1969-02-26
CH461262A (fr) 1968-08-15
FR1602264A (fr) 1970-11-02

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee