ES342385A1 - Dispositivo para graduar la exposicion en un obturador fo- tografico. - Google Patents

Dispositivo para graduar la exposicion en un obturador fo- tografico.

Info

Publication number
ES342385A1
ES342385A1 ES342385A ES342385A ES342385A1 ES 342385 A1 ES342385 A1 ES 342385A1 ES 342385 A ES342385 A ES 342385A ES 342385 A ES342385 A ES 342385A ES 342385 A1 ES342385 A1 ES 342385A1
Authority
ES
Spain
Prior art keywords
switch
shutter
flip
circuit
controlled
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
ES342385A
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.)
Bertram Fab Ernst & Wilhelm
Original Assignee
Bertram Fab Ernst & Wilhelm
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 Bertram Fab Ernst & Wilhelm filed Critical Bertram Fab Ernst & Wilhelm
Publication of ES342385A1 publication Critical patent/ES342385A1/es
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)
  • Shutters For Cameras (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)
ES342385A 1966-06-27 1967-06-27 Dispositivo para graduar la exposicion en un obturador fo- tografico. Expired ES342385A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0087735 1966-06-27

Publications (1)

Publication Number Publication Date
ES342385A1 true ES342385A1 (es) 1968-07-16

Family

ID=6983922

Family Applications (1)

Application Number Title Priority Date Filing Date
ES342385A Expired ES342385A1 (es) 1966-06-27 1967-06-27 Dispositivo para graduar la exposicion en un obturador fo- tografico.

Country Status (9)

Country Link
US (1) US3504601A (es)
AT (1) AT276063B (es)
BE (1) BE700571A (es)
CH (1) CH450150A (es)
DE (1) DE1497946A1 (es)
ES (1) ES342385A1 (es)
GB (1) GB1159533A (es)
NL (1) NL6708386A (es)
SE (1) SE315197B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1806484A1 (de) * 1968-10-31 1970-05-14 Agfa Gevaert Ag Fotografische Kamera
US3651744A (en) * 1969-01-13 1972-03-28 Copal Co Ltd Photographic camera
US3657979A (en) * 1969-07-05 1972-04-25 Asahi Optical Co Ltd Automatic exposure controls for cameras
US3684917A (en) * 1969-09-22 1972-08-15 Asahi Optical Co Ltd Photo flash intensity control with preparatory flash controlling partial discharge of main capacitor
US3675548A (en) * 1969-11-12 1972-07-11 Copal Co Ltd Exposure time indicating device for photographic cameras equipped with an electronically controlled shutter
US3688657A (en) * 1969-12-08 1972-09-05 Minolta Camera Kk Automatic exposure indication apparatus for a camera
US3646859A (en) * 1970-01-27 1972-03-07 Asahi Optical Co Ltd Camera provided with automatic exposure and battery-checking circuits
JPS4917370B1 (es) * 1970-07-07 1974-04-30
JPS4847331A (es) * 1971-10-15 1973-07-05
JPS5456826A (en) * 1977-10-14 1979-05-08 Canon Inc Exposure state display device of cameras
JPS5589822A (en) * 1978-12-28 1980-07-07 Canon Inc Bulb photography control system of camera

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978970A (en) * 1956-08-23 1961-04-11 Compur Werk Friedrich Deckel Photographic shutter construction
US3063354A (en) * 1959-05-23 1962-11-13 Meopta Narodni Podnik Device for automatically controlling the exposure time for photographic purposes
US3257919A (en) * 1962-04-09 1966-06-28 Copal Co Ltd Photographic shutter with automatic control means for exposure time
US3292516A (en) * 1963-05-17 1966-12-20 Copal Co Ltd Photographic camera with automatic exposure control
US3245332A (en) * 1963-05-31 1966-04-12 Polaroid Corp Shutter timing apparatus
US3336850A (en) * 1963-08-23 1967-08-22 Asahi Optical Co Ltd Camera shutter mechanism
DE1223693B (de) * 1963-11-19 1966-08-25 Compur Werk Gmbh & Co Photographische Kamera mit einer Schalt-anordnung zur elektrischen Steuerung der Belichtungsdauer
US3324779A (en) * 1964-05-26 1967-06-13 Asahi Optical Co Ltd Photoelectric time control shutter circuit for photographic camera

Also Published As

Publication number Publication date
DE1497946A1 (de) 1969-03-27
US3504601A (en) 1970-04-07
SE315197B (es) 1969-09-22
NL6708386A (es) 1967-12-28
CH450150A (de) 1968-01-15
AT276063B (de) 1969-11-10
GB1159533A (en) 1969-07-30
BE700571A (es) 1967-12-01

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