FR2393336B1 - - Google Patents

Info

Publication number
FR2393336B1
FR2393336B1 FR7816263A FR7816263A FR2393336B1 FR 2393336 B1 FR2393336 B1 FR 2393336B1 FR 7816263 A FR7816263 A FR 7816263A FR 7816263 A FR7816263 A FR 7816263A FR 2393336 B1 FR2393336 B1 FR 2393336B1
Authority
FR
France
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
FR7816263A
Other versions
FR2393336A1 (fr
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.)
Polaroid Corp
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 FR2393336A1 publication Critical patent/FR2393336A1/fr
Application granted granted Critical
Publication of FR2393336B1 publication Critical patent/FR2393336B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16Control 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
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08Control 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
    • G03B7/081Analogue circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutters For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
FR7816263A 1977-05-31 1978-05-31 Systeme de commande d'exposition pour un appareil de prise de vues photographiques Granted FR2393336A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/801,477 US4104653A (en) 1977-05-31 1977-05-31 Scanning shutter blade arrangement with ambient and flash ranges

Publications (2)

Publication Number Publication Date
FR2393336A1 FR2393336A1 (fr) 1978-12-29
FR2393336B1 true FR2393336B1 (fr) 1984-12-14

Family

ID=25181209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7816263A Granted FR2393336A1 (fr) 1977-05-31 1978-05-31 Systeme de commande d'exposition pour un appareil de prise de vues photographiques

Country Status (6)

Country Link
US (1) US4104653A (fr)
JP (1) JPS5916254B2 (fr)
CA (1) CA1105757A (fr)
DE (1) DE2823636C2 (fr)
FR (1) FR2393336A1 (fr)
GB (1) GB1596087A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191462A (en) * 1978-04-24 1980-03-04 Polaroid Corporation Fixed focus exposure control apparatus with reverse spherical aberration corrective characteristic
US4255030A (en) * 1979-09-13 1981-03-10 Polaroid Corporation Camera with proportional fill flash quench strobe
US4358186A (en) * 1979-12-31 1982-11-09 Polaroid Corporation Method and apparatus for controlling exposure by selective use of blocking visible filter
US4351593A (en) * 1979-12-31 1982-09-28 Polaroid Corporation Method and apparatus for selective positioning of spectral filter during exposure control
US4315675A (en) * 1979-12-31 1982-02-16 Polaroid Corporation Method and apparatus for selectively positioning spectral filter
US4491406A (en) * 1979-12-31 1985-01-01 Polaroid Corporation Method and apparatus employing dual photocells for removing spectral filter during strobe pulse
US4325616A (en) * 1980-01-10 1982-04-20 Polaroid Corporation Apparatus for varying the spectral filter over the photocell as a function of blade position
US4474441A (en) * 1980-03-04 1984-10-02 Polaroid Corporation Method and apparatus for controlling exposure by selective use of blocking visible filter
US4297016A (en) * 1980-07-07 1981-10-27 Polaroid Corporation Scanning shutter blade arrangement with dynamic apertures for ambient and flash exposures
US4542973A (en) * 1980-10-06 1985-09-24 Polaroid Corporation Dynamically controlled scene radiation leakage for exposure control
US4444479A (en) * 1981-01-05 1984-04-24 Polaroid Corporation Photographic system with slow burn flash bulb
US4410250A (en) * 1981-04-03 1983-10-18 Vivitar Corporation Flash adapater and system
US4431286A (en) * 1981-10-13 1984-02-14 Polaroid Corporation Photographic exposure control system having selectable ambient and flash modes
JPS61203431A (ja) * 1985-03-05 1986-09-09 Asahi Optical Co Ltd 自動焦点式カメラ
US4797700A (en) * 1985-06-28 1989-01-10 Canon Kabushiki Kaisha Diaphragm device
JP2525804B2 (ja) * 1987-04-15 1996-08-21 コニカ株式会社 露出調節機構を有するスチルビデオカメラ
US8275091B2 (en) 2002-07-23 2012-09-25 Rapiscan Systems, Inc. Compact mobile cargo scanning system
GB0803644D0 (en) 2008-02-28 2008-04-02 Rapiscan Security Products Inc Scanning systems

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318215A (en) * 1966-03-23 1967-05-09 Agfa Ag Flash-exposure structure for cameras
DE2163294C3 (de) * 1970-12-24 1981-06-11 Polaroid Corp., 02139 Cambridge, Mass. Photographischer Apparat
US3750543A (en) * 1971-04-19 1973-08-07 Polaroid Corp Focus responsive exposure control system
JPS492527A (fr) * 1972-04-18 1974-01-10
GB1450633A (en) * 1973-07-05 1976-09-22 Polaroid Corp Exposure control system
US3942183A (en) * 1974-07-02 1976-03-02 Polaroid Corporation Camera with pivoting blades
US3972058A (en) * 1975-03-03 1976-07-27 Polaroid Corporation Follow focus intercept actuating system for photographic apparatus
US3972057A (en) * 1975-03-03 1976-07-27 Polaroid Corporation Exposure control system with follow focus capability
US4023187A (en) * 1975-10-03 1977-05-10 Polaroid Corporation Exposure control system with fill flash race condition

Also Published As

Publication number Publication date
DE2823636A1 (de) 1978-12-07
JPS5916254B2 (ja) 1984-04-14
FR2393336A1 (fr) 1978-12-29
GB1596087A (en) 1981-08-19
JPS542121A (en) 1979-01-09
DE2823636C2 (de) 1983-02-24
CA1105757A (fr) 1981-07-28
US4104653A (en) 1978-08-01

Similar Documents

Publication Publication Date Title
CH638362GA3 (fr)
FR2377331B1 (fr)
FR2393336B1 (fr)
FR2376187B1 (fr)
DE2829770C2 (fr)
FR2377249B1 (fr)
DE2841894C3 (fr)
DE2706032C2 (fr)
AU3353778A (fr)
AR210643A1 (fr)
AU495917B2 (fr)
AU71461S (fr)
BG25852A1 (fr)
BG25841A1 (fr)
BE851449A (fr)
BG25837A1 (fr)
BE865722A (fr)
BE866391A (fr)
BE868323A (fr)
CH618822GA3 (fr)
CH610461A5 (fr)
BG25860A1 (fr)
BG25855A1 (fr)
BG25853A1 (fr)
BG25838A1 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse