DE2009091B2 - Automatische belichtungszeit-steuervorrichtung fuer kameras - Google Patents

Automatische belichtungszeit-steuervorrichtung fuer kameras

Info

Publication number
DE2009091B2
DE2009091B2 DE19702009091 DE2009091A DE2009091B2 DE 2009091 B2 DE2009091 B2 DE 2009091B2 DE 19702009091 DE19702009091 DE 19702009091 DE 2009091 A DE2009091 A DE 2009091A DE 2009091 B2 DE2009091 B2 DE 2009091B2
Authority
DE
Germany
Prior art keywords
cameras
control device
exposure control
automatic exposure
automatic
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
DE19702009091
Other languages
English (en)
Other versions
DE2009091A1 (de
DE2009091C3 (de
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 DE2009091A1 publication Critical patent/DE2009091A1/de
Publication of DE2009091B2 publication Critical patent/DE2009091B2/de
Application granted granted Critical
Publication of DE2009091C3 publication Critical patent/DE2009091C3/de
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
    • G03B7/083—Analogue circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
DE2009091A 1969-02-26 1970-02-26 Automatische Belichtungszeit-Steuervorrichtung für Kameras Expired DE2009091C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1398069 1969-02-26

Publications (3)

Publication Number Publication Date
DE2009091A1 DE2009091A1 (de) 1970-09-10
DE2009091B2 true DE2009091B2 (de) 1973-09-06
DE2009091C3 DE2009091C3 (de) 1974-03-28

Family

ID=11848354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2009091A Expired DE2009091C3 (de) 1969-02-26 1970-02-26 Automatische Belichtungszeit-Steuervorrichtung für Kameras

Country Status (10)

Country Link
US (1) US3731603A (de)
BE (1) BE746571A (de)
CA (1) CA936731A (de)
CH (1) CH506802A (de)
DE (1) DE2009091C3 (de)
ES (1) ES377232A1 (de)
FR (1) FR2037428A5 (de)
GB (1) GB1311323A (de)
NL (1) NL151518B (de)
SE (1) SE354128B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE28942E (en) * 1970-04-07 1976-08-24 Minolta Camera Kabushiki Kaisha Exposure time control device for a through the lens type single reflex camera
JPS5312808B2 (de) * 1972-02-07 1978-05-04
JPS5442704Y2 (de) * 1972-04-14 1979-12-11
JPS4916423A (de) * 1972-05-22 1974-02-13
JPS5724528B2 (de) * 1972-05-22 1982-05-25
JPS4921139A (de) * 1972-06-15 1974-02-25
JPS5016933U (de) * 1973-04-10 1975-02-22
US4037234A (en) * 1973-04-28 1977-07-19 Canon Kabushiki Kaisha Exposure control system stabilized against temperature variation
JPS56110921A (en) * 1980-02-05 1981-09-02 Sharp Corp Electronic control shutter circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3528350A (en) * 1966-08-24 1970-09-15 Gossen & Co Gmbh P Photoresistor circuit for light measuring arrangements
US3520597A (en) * 1967-03-29 1970-07-14 Elmo Co Ltd Control circuit for automatic stop device
NL6708603A (de) * 1967-06-21 1968-12-23
US3641890A (en) * 1967-10-31 1972-02-15 Nippon Kogaku Kk Exposure-measuring device for cameras provided with electronic shutter

Also Published As

Publication number Publication date
ES377232A1 (es) 1972-06-01
GB1311323A (en) 1973-03-28
CA936731A (en) 1973-11-13
SE354128B (de) 1973-02-26
NL151518B (nl) 1976-11-15
CH506802A (de) 1971-04-30
US3731603A (en) 1973-05-08
NL7002762A (de) 1970-08-28
BE746571A (fr) 1970-07-31
DE2009091A1 (de) 1970-09-10
DE2009091C3 (de) 1974-03-28
FR2037428A5 (de) 1970-12-31

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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