FR2226075A5 - - Google Patents

Info

Publication number
FR2226075A5
FR2226075A5 FR7314655A FR7314655A FR2226075A5 FR 2226075 A5 FR2226075 A5 FR 2226075A5 FR 7314655 A FR7314655 A FR 7314655A FR 7314655 A FR7314655 A FR 7314655A FR 2226075 A5 FR2226075 A5 FR 2226075A5
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
FR7314655A
Other languages
French (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
Application granted granted Critical
Publication of FR2226075A5 publication Critical patent/FR2226075A5/fr
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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
    • G03B15/0452—Electrical ignition means connected to the shutter
    • 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
    • G03B7/091—Digital circuits
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
FR7314655A 1972-04-24 1973-04-20 Expired FR2226075A5 (ro)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24689172A 1972-04-24 1972-04-24
US00333331A US3820128A (en) 1972-04-24 1973-02-16 Flash photographic control system

Publications (1)

Publication Number Publication Date
FR2226075A5 true FR2226075A5 (ro) 1974-11-08

Family

ID=26938305

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7314655A Expired FR2226075A5 (ro) 1972-04-24 1973-04-20

Country Status (3)

Country Link
US (1) US3820128A (ro)
FR (1) FR2226075A5 (ro)
GB (1) GB1391293A (ro)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2326720A1 (fr) * 1975-10-03 1977-04-29 Polaroid Corp Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne
FR2326719A1 (fr) * 1975-10-03 1977-04-29 Polaroid Corp Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne
FR2326721A1 (fr) * 1975-10-03 1977-04-29 Polaroid Corp Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne
FR2338507A1 (fr) * 1976-01-13 1977-08-12 Polaroid Corp Appareil de prise de vues muni d'un verrouillage d'obturateur perfectionne

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005449A (en) * 1973-12-13 1977-01-25 Polaroid Corporation Flash photographic system with camera inhibit feature
US3896459A (en) * 1974-05-29 1975-07-22 Honeywell Inc Control circuit for an automatic photographic camera
US4017876A (en) * 1976-01-13 1977-04-12 Polaroid Corporation Shutter latch system with automatic release for shock damping member
US4182561A (en) * 1978-08-03 1980-01-08 Polaroid Corporation Fast charging electronic flash device
US4185144A (en) * 1978-09-05 1980-01-22 Polaroid Corporation Electrochemical cell with a cadmium patch electrode
US4184756A (en) * 1978-10-13 1980-01-22 Polaroid Corporation Strobe without primary storage capacitor
US4291964A (en) * 1980-01-28 1981-09-29 Polaroid Corporation Strobe switch with camera control feature

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2326720A1 (fr) * 1975-10-03 1977-04-29 Polaroid Corp Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne
FR2326719A1 (fr) * 1975-10-03 1977-04-29 Polaroid Corp Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne
FR2326721A1 (fr) * 1975-10-03 1977-04-29 Polaroid Corp Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne
FR2338507A1 (fr) * 1976-01-13 1977-08-12 Polaroid Corp Appareil de prise de vues muni d'un verrouillage d'obturateur perfectionne

Also Published As

Publication number Publication date
US3820128A (en) 1974-06-25
GB1391293A (en) 1975-04-23

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Legal Events

Date Code Title Description
ST Notification of lapse