IE782256L - Camera - Google Patents

Camera

Info

Publication number
IE782256L
IE782256L IE782256A IE225678A IE782256L IE 782256 L IE782256 L IE 782256L IE 782256 A IE782256 A IE 782256A IE 225678 A IE225678 A IE 225678A IE 782256 L IE782256 L IE 782256L
Authority
IE
Ireland
Prior art keywords
camera
film camera
camera photographic
photographic
film
Prior art date
Application number
IE782256A
Other versions
IE47583B1 (en
Original Assignee
Polaroid Corp
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 US05/860,639 external-priority patent/US4174893A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of IE782256L publication Critical patent/IE782256L/en
Publication of IE47583B1 publication Critical patent/IE47583B1/en

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
    • G03B7/087—Analogue circuits for control of both exposure time and 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Diaphragms For Cameras (AREA)
  • Studio Devices (AREA)

Abstract

FILM CAMERA PHOTOGRAPHIC. [FR2410294A1]
IE2256/78A 1977-11-25 1978-11-15 An exposure control system for use in a photographic camera IE47583B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85469177A 1977-11-25 1977-11-25
US05/860,639 US4174893A (en) 1977-12-14 1977-12-14 Exposure control system for use in photographic camera apparatus

Publications (2)

Publication Number Publication Date
IE782256L true IE782256L (en) 1979-05-25
IE47583B1 IE47583B1 (en) 1984-05-02

Family

ID=27127248

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2256/78A IE47583B1 (en) 1977-11-25 1978-11-15 An exposure control system for use in a photographic camera

Country Status (5)

Country Link
JP (1) JPS5483425A (en)
DE (1) DE2850999A1 (en)
FR (1) FR2410294A1 (en)
GB (1) GB2008783B (en)
IE (1) IE47583B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2954241C2 (en) * 1978-04-21 1984-02-23 Copal Co. Ltd., Tokyo FAILURE EXPOSURE WARNING DEVICE FOR CAMERAS WITH A PROGRAMMABLE ELECTRICAL SHUTTER
JPS58154824A (en) * 1983-02-18 1983-09-14 Canon Inc Exposure controller
JPS59162514A (en) * 1983-03-08 1984-09-13 Dainippon Screen Mfg Co Ltd Focus adjusting method of image scanning and recording device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942183A (en) * 1974-07-02 1976-03-02 Polaroid Corporation Camera with pivoting blades
US4047190A (en) * 1975-10-10 1977-09-06 Polaroid Corporation Hybrid exposure control system employing dual maximum blade displacement
US4040072A (en) * 1976-01-13 1977-08-02 Polaroid Corporation Shutter latch arrangement releasable through shutter blade actuation and resettable through film advancement

Also Published As

Publication number Publication date
DE2850999A1 (en) 1979-05-31
FR2410294B1 (en) 1985-02-22
GB2008783A (en) 1979-06-06
JPS5483425A (en) 1979-07-03
GB2008783B (en) 1982-07-21
IE47583B1 (en) 1984-05-02
FR2410294A1 (en) 1979-06-22

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