ATA100081A - Photographisches belichtungssteuersystem, insbesondere fuer blitzlichtaufnahmen - Google Patents

Photographisches belichtungssteuersystem, insbesondere fuer blitzlichtaufnahmen

Info

Publication number
ATA100081A
ATA100081A AT0100081A AT100081A ATA100081A AT A100081 A ATA100081 A AT A100081A AT 0100081 A AT0100081 A AT 0100081A AT 100081 A AT100081 A AT 100081A AT A100081 A ATA100081 A AT A100081A
Authority
AT
Austria
Prior art keywords
control system
exposure control
photographic exposure
flash lighting
lighting
Prior art date
Application number
AT0100081A
Other languages
English (en)
Other versions
AT376815B (de
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 ATA100081A publication Critical patent/ATA100081A/de
Application granted granted Critical
Publication of AT376815B publication Critical patent/AT376815B/de

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
    • G03B7/089—Analogue circuits for storage of exposure value in mirror reflex cameras
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Camera Data Copying Or Recording (AREA)
AT0100081A 1980-03-04 1981-03-04 Photographisches belichtungssteuersystem, insbesondere fuer blitzlichtaufnahmen AT376815B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12712080A 1980-03-04 1980-03-04
US06/204,045 US4474441A (en) 1980-03-04 1980-11-04 Method and apparatus for controlling exposure by selective use of blocking visible filter

Publications (2)

Publication Number Publication Date
ATA100081A true ATA100081A (de) 1984-05-15
AT376815B AT376815B (de) 1985-01-10

Family

ID=26825354

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0100081A AT376815B (de) 1980-03-04 1981-03-04 Photographisches belichtungssteuersystem, insbesondere fuer blitzlichtaufnahmen

Country Status (7)

Country Link
US (1) US4474441A (de)
AT (1) AT376815B (de)
CA (1) CA1160494A (de)
DE (1) DE3107856A1 (de)
FR (1) FR2482317B1 (de)
GB (1) GB2071346A (de)
IE (1) IE52063B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4444478A (en) * 1982-11-16 1984-04-24 Polaroid Corporation Hybrid camera arrangement
US4687926A (en) * 1984-12-20 1987-08-18 Polaroid Corporation Spectrally filtered lens producing plural f-numbers with different spectral characteristics
US5229808A (en) * 1992-01-22 1993-07-20 Eastman Kodak Company Camera viewfinder
US5444236A (en) * 1994-03-09 1995-08-22 Loral Infrared & Imaging Systems, Inc. Multicolor radiation detector method and apparatus

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US27461A (en) * 1860-03-13 Hot-aib register
US1866581A (en) * 1931-06-16 1932-07-12 Luther G Simjian Self-focusing camera
US2086791A (en) * 1932-11-19 1937-07-13 Dresler Albert Composite filter for photoelectric cells
US2585245A (en) * 1949-07-15 1952-02-12 William H Harrison Color temperature and exposure meter
DE1141093B (de) * 1956-05-11 1962-12-13 Rollei Werke Franke Heidecke Photoelektrischer Belichtungsmesser
US3045124A (en) * 1958-02-21 1962-07-17 Bell & Howell Co Light responsive means
US3035503A (en) * 1959-05-18 1962-05-22 Eastman Kodak Co Automatic exposure control for photographic cameras
US3173347A (en) * 1963-03-06 1965-03-16 Eastman Kodak Co Autoamtic exposure control for a camera
US3270638A (en) * 1963-07-22 1966-09-06 Eastman Kodak Co Photometric system
US3208363A (en) * 1964-05-11 1965-09-28 Eastman Kodak Co Automatic film sensitivity compensation
US3314349A (en) * 1964-08-14 1967-04-18 Bell & Howell Co Light source controlled filter actuating mechanism for motion picture camera
US3397023A (en) * 1964-12-16 1968-08-13 Polaroid Corp Light apertures
DE1472688A1 (de) * 1965-08-04 1969-03-06 Niezoldi & Kraemer Gmbh Kamera mit eingebauten,in den Strahlengang des Aufnahmelichtes bewegbaren Farbfiltern
DE1489293B2 (de) * 1965-10-28 1970-09-10 Agfa-Gevaert AG, 5O9O Leverkusen Elektronenblitzgerät zur Erzeugung eines Vorblitzes und eines Aufnahmeblitzes
US3468228A (en) * 1966-09-02 1969-09-23 Polaroid Corp Color compensated shutter
GB1184216A (en) * 1966-09-30 1970-03-11 Fuji Photo Film Co Ltd Filter Control Device for a Photographic Camera
US3536408A (en) * 1967-04-14 1970-10-27 Donald W Norwood Compatible photoelectric device having greater response to a prime portion of a scene
US3547017A (en) * 1968-04-02 1970-12-15 Eastman Kodak Co Automatic exposure control system
DE1772999A1 (de) * 1968-07-31 1971-07-08 Agfa Gevaert Ag Vorrichtung zur Messung von Helligkeiten
US3583299A (en) * 1968-10-07 1971-06-08 Polaroid Corp Environmentally compensated follow-focus flash photography
AT301331B (de) * 1968-11-25 1972-08-25 Eumig Einrichtung zur Entfernungsmessung
US3709615A (en) * 1969-02-28 1973-01-09 Calumet Photographic Inc Integrating light meter with movable meter mechanism
US3672281A (en) * 1970-04-15 1972-06-27 Polaroid Corp Reflex camera
US3708631A (en) * 1970-06-08 1973-01-02 Columbia Broadcasting Syst Inc Quadraphonic reproducing system with gain control
US3661466A (en) * 1970-06-25 1972-05-09 Eastman Kodak Co Photometric system for cameras
US3832722A (en) * 1971-08-03 1974-08-27 Polaroid Corp Apparatus and system for flash photography
DE2210958A1 (de) * 1972-03-07 1973-09-20 Siemens Ag Belichtungsautomatik fuer kameras
US3792649A (en) * 1972-10-25 1974-02-19 Polaroid Corp Automatic return mechanism for an exposure trim assembly
US3963333A (en) * 1973-06-20 1976-06-15 Polaroid Corporation Camera control system
US3856418A (en) * 1973-06-25 1974-12-24 I Levine Light metering and controlling device
US3917395A (en) * 1973-06-28 1975-11-04 Honeywell Inc Control circuit for photographic apparatus
US3896458A (en) * 1973-07-05 1975-07-22 Polaroid Corp Automatic exposure control system
US3903413A (en) * 1973-12-06 1975-09-02 Polaroid Corp Glass-filled polymeric filter element
US3942183A (en) * 1974-07-02 1976-03-02 Polaroid Corporation Camera with pivoting blades
US3942184A (en) * 1975-03-31 1976-03-02 Polaroid Corporation Means and method for calibrating light responsive exposure control system
JPS5262022A (en) * 1975-11-17 1977-05-23 Bell & Howell Co Closed loop automatic focusing system
US4040072A (en) * 1976-01-13 1977-08-02 Polaroid Corporation Shutter latch arrangement releasable through shutter blade actuation and resettable through film advancement
US4040070A (en) * 1976-04-05 1977-08-02 Eastman Kodak Company Optimized flash exposure
US4065778A (en) * 1976-06-17 1977-12-27 Eastman Kodak Company Automatic rangefinder and focusing apparatus
JPS53116150A (en) * 1977-03-18 1978-10-11 West Electric Co Electrooflashing device for increasing lamps
US4156564A (en) * 1977-05-25 1979-05-29 Canon Kabushiki Kaisha Photometric device
US4104653A (en) * 1977-05-31 1978-08-01 Polaroid Corporation Scanning shutter blade arrangement with ambient and flash ranges
DE2752929A1 (de) * 1977-11-26 1979-05-31 Agfa Gevaert Ag Fotografische kamera mit einer belichtungssteuerschaltung und mit einer fokussiervorrichtung
JPS54128734A (en) * 1978-03-29 1979-10-05 Minolta Camera Co Ltd Flash discharger enabled to effect preparatory flash
US4160588A (en) * 1978-03-30 1979-07-10 Eastman Kodak Company Exposure control apparatus
JPS5533152A (en) * 1978-08-30 1980-03-08 Minolta Camera Co Ltd Shutter control system of electric shutter camera
DE3036522A1 (de) * 1979-10-01 1981-04-16 Eastman Kodak Co., Rochester, N.Y. Photographische kamera
US4304476A (en) * 1979-10-01 1981-12-08 Eastman Kodak Company Partial infrared filter exposure compensation apparatus
US4316659A (en) * 1979-10-01 1982-02-23 Eastman Kodak Company Infrared filter exposure compensation apparatus
US4358186A (en) * 1979-12-31 1982-11-09 Polaroid Corporation Method and apparatus for controlling exposure by selective use of blocking visible filter

Also Published As

Publication number Publication date
IE52063B1 (en) 1987-06-10
IE810459L (en) 1981-09-04
AT376815B (de) 1985-01-10
FR2482317B1 (fr) 1985-11-29
FR2482317A1 (fr) 1981-11-13
US4474441A (en) 1984-10-02
DE3107856A1 (de) 1981-12-24
GB2071346A (en) 1981-09-16
CA1160494A (en) 1984-01-17

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee