FR842513A - Perfectionnements aux appareils photographiques - Google Patents

Perfectionnements aux appareils photographiques

Info

Publication number
FR842513A
FR842513A FR842513DA FR842513A FR 842513 A FR842513 A FR 842513A FR 842513D A FR842513D A FR 842513DA FR 842513 A FR842513 A FR 842513A
Authority
FR
France
Prior art keywords
cameras
Prior art date
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
Other languages
English (en)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR842513A publication Critical patent/FR842513A/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
    • 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
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR842513D 1937-08-24 1938-08-23 Perfectionnements aux appareils photographiques Expired FR842513A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US842513XA 1937-08-24 1937-08-24

Publications (1)

Publication Number Publication Date
FR842513A true FR842513A (fr) 1939-06-14

Family

ID=22183766

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842513D Expired FR842513A (fr) 1937-08-24 1938-08-23 Perfectionnements aux appareils photographiques

Country Status (1)

Country Link
FR (1) FR842513A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1188931B (de) * 1957-06-22 1965-03-11 Agfa Ag Fotoelektrische Einrichtung zur selbsttaetigen Steuerung einer im Objektivstrahlengang eines fotografischen Geraetes angeordneten Blende

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1188931B (de) * 1957-06-22 1965-03-11 Agfa Ag Fotoelektrische Einrichtung zur selbsttaetigen Steuerung einer im Objektivstrahlengang eines fotografischen Geraetes angeordneten Blende

Similar Documents

Publication Publication Date Title
FR860167A (fr) Perfectionnements aux appareils photographiques
FR822377A (fr) Perfectionnements aux appareils photographiques
FR841412A (fr) Perfectionnements aux appareils photographiques
FR845607A (fr) Perfectionnements aux appareils photographiques
FR842513A (fr) Perfectionnements aux appareils photographiques
FR840955A (fr) Perfectionnements aux appareils photographiques
FR798215A (fr) Perfectionnements aux appareils photographiques
FR837010A (fr) Perfectionnements aux appareils de projection cinématographiques
FR765541A (fr) Perfectionnements aux appareils photographiques
FR837579A (fr) Perfectionnements aux appareils photographiques
FR838022A (fr) Perfectionnements apportés aux appareils photographiques
FR48480E (fr) Perfectionnements aux appareils photographiques
FR836703A (fr) Perfectionnements aux appareils photographiques
FR836546A (fr) Perfectionnements aux appareils photographiques
FR870126A (fr) Perfectionnements aux appareils photographiques
FR815588A (fr) Perfectionnements aux appareils photographiques
FR834380A (fr) Perfectionnements aux appareils photographiques
FR867527A (fr) Perfectionnements aux appareils photographiques
FR834281A (fr) Perfectionnements aux appareils photographiques pliants
FR835749A (fr) Perfectionnements aux appareils photographiques à main
FR755448A (fr) Perfectionnements aux appareils photographiques
FR817976A (fr) Perfectionnements apportés aux appareils photographiques
FR808362A (fr) Perfectionnements aux appareils photographiques
FR825151A (fr) Perfectionnements aux appareils photographiques
FR820339A (fr) Perfectionnements aux appareils photographiques