NL147262B - Op verschillende filmgevoeligheden instelbare belichtingsregelinrichting voor een fotografische camera. - Google Patents

Op verschillende filmgevoeligheden instelbare belichtingsregelinrichting voor een fotografische camera.

Info

Publication number
NL147262B
NL147262B NL646403286A NL6403286A NL147262B NL 147262 B NL147262 B NL 147262B NL 646403286 A NL646403286 A NL 646403286A NL 6403286 A NL6403286 A NL 6403286A NL 147262 B NL147262 B NL 147262B
Authority
NL
Netherlands
Prior art keywords
adjustable
control device
exposure control
photographic camera
different film
Prior art date
Application number
NL646403286A
Other languages
English (en)
Other versions
NL6403286A (nl
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
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of NL6403286A publication Critical patent/NL6403286A/xx
Publication of NL147262B publication Critical patent/NL147262B/nl

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)
  • Diaphragms For Cameras (AREA)
NL646403286A 1963-03-29 1964-03-26 Op verschillende filmgevoeligheden instelbare belichtingsregelinrichting voor een fotografische camera. NL147262B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US268880A US3205797A (en) 1963-03-29 1963-03-29 Illumination responsive photographic shutter apparatus

Publications (2)

Publication Number Publication Date
NL6403286A NL6403286A (nl) 1964-09-30
NL147262B true NL147262B (nl) 1975-09-15

Family

ID=23024908

Family Applications (1)

Application Number Title Priority Date Filing Date
NL646403286A NL147262B (nl) 1963-03-29 1964-03-26 Op verschillende filmgevoeligheden instelbare belichtingsregelinrichting voor een fotografische camera.

Country Status (5)

Country Link
US (1) US3205797A (nl)
CH (1) CH421694A (nl)
DE (1) DE1291990B (nl)
GB (1) GB1041114A (nl)
NL (1) NL147262B (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1497924C3 (de) * 1966-09-30 1976-01-08 Agfa-Gevaert Ag, 5090 Leverkusen Fotografische Kamera mit einem durch einen Verzögerungsschaltkreis gesteuerten Verschluß
US3479935A (en) * 1969-02-10 1969-11-25 Eastman Kodak Co Automatic shutter control
JPS5548287B2 (nl) * 1972-10-28 1980-12-05
US4045806A (en) * 1976-08-23 1977-08-30 Polaroid Corporation Extended range exposure control system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877697A (en) * 1953-10-27 1959-03-17 Polaroid Corp Camera shutter mechanism
US2978970A (en) * 1956-08-23 1961-04-11 Compur Werk Friedrich Deckel Photographic shutter construction
US2969007A (en) * 1957-12-24 1961-01-24 Hora Werk G M B H Shutters for cameras and the like
US2999440A (en) * 1958-12-05 1961-09-12 Eastman Kodak Co Automatic exposure control for photographic camera
DE1145916B (de) * 1959-02-19 1963-03-21 Gauthier Gmbh A Photographische Kamera mit Belichtungswert-Einsteller

Also Published As

Publication number Publication date
NL6403286A (nl) 1964-09-30
GB1041114A (en) 1966-09-01
DE1291990B (de) 1969-04-03
US3205797A (en) 1965-09-14
CH421694A (de) 1966-09-30

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Legal Events

Date Code Title Description
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: INT POLAROID

V4 Discontinued because of reaching the maximum lifetime of a patent