FR2413681A1 - Perfectionnements apportes aux appareils de prise de vues tels que cameras cinematographiques et appareils photographiques - Google Patents

Perfectionnements apportes aux appareils de prise de vues tels que cameras cinematographiques et appareils photographiques

Info

Publication number
FR2413681A1
FR2413681A1 FR7739319A FR7739319A FR2413681A1 FR 2413681 A1 FR2413681 A1 FR 2413681A1 FR 7739319 A FR7739319 A FR 7739319A FR 7739319 A FR7739319 A FR 7739319A FR 2413681 A1 FR2413681 A1 FR 2413681A1
Authority
FR
France
Prior art keywords
cameras
cinematographic
shooting devices
photographic
measurement
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.)
Granted
Application number
FR7739319A
Other languages
English (en)
Other versions
FR2413681B1 (fr
Inventor
Jean-Pierre Beauviala
J P Charras
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.)
Aaton SA
Original Assignee
Aaton 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 Aaton SA filed Critical Aaton SA
Priority to FR7739319A priority Critical patent/FR2413681A1/fr
Priority to US05/969,667 priority patent/US4264165A/en
Publication of FR2413681A1 publication Critical patent/FR2413681A1/fr
Application granted granted Critical
Publication of FR2413681B1 publication Critical patent/FR2413681B1/fr
Granted 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

A.L'INVENTION CONCERNE DES PERFECTIONNEMENTS APPORTES AUX APPAREILS DE PRISE DE VUES TELS QUE CAMERAS CINEMATOGRAPHIQUES. B.SELON L'INVENTION LA CAMERA QUI COMPORTE UN DISPOSITIF D'AFFICHAGE INDIQUANT LA VARIATION D'UN PARAMETRE MESURE COMPREND UN DISPOSITIF D'AFFICHAGE COMPORTANT LUI-MEME UNE SUCCESSION DE DIODES ELECTROLUMINESCENTES ADJACENTES LES UNES DES AUTRES, DETERMINANT L'ECHELLE DE MESURE, CES DIODES ETANT EXCITEES ET PAR CONSEQUENT LUMINEUSES EN PERMANENCE A L'EXCEPTION D'UNE D'ENTRE ELLES QUI, ETEINTE, CONSTITUE LE REPERE DONNANT LE RESULTAT DE LA MESURE. C.APPLICATION AUX DISPOSITIFS D'AFFICHAGE POUR CAMERAS POUR MESURER LA QUANTITE DE LUMIERE.
FR7739319A 1977-12-27 1977-12-27 Perfectionnements apportes aux appareils de prise de vues tels que cameras cinematographiques et appareils photographiques Granted FR2413681A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7739319A FR2413681A1 (fr) 1977-12-27 1977-12-27 Perfectionnements apportes aux appareils de prise de vues tels que cameras cinematographiques et appareils photographiques
US05/969,667 US4264165A (en) 1977-12-27 1978-12-15 Film exposing equipment utilizing a succession of diodes for a luminous display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7739319A FR2413681A1 (fr) 1977-12-27 1977-12-27 Perfectionnements apportes aux appareils de prise de vues tels que cameras cinematographiques et appareils photographiques

Publications (2)

Publication Number Publication Date
FR2413681A1 true FR2413681A1 (fr) 1979-07-27
FR2413681B1 FR2413681B1 (fr) 1980-06-06

Family

ID=9199375

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7739319A Granted FR2413681A1 (fr) 1977-12-27 1977-12-27 Perfectionnements apportes aux appareils de prise de vues tels que cameras cinematographiques et appareils photographiques

Country Status (2)

Country Link
US (1) US4264165A (fr)
FR (1) FR2413681A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6186741A (ja) * 1984-10-04 1986-05-02 Nippon Kogaku Kk <Nikon> カメラの表示装置
US5239339A (en) * 1988-08-05 1993-08-24 Ziegler William R Alignment technique for a photographic enlarger

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149795A (en) * 1974-08-07 1979-04-17 Canon Kabushiki Kaisha Digital information transmitting and displaying system for a photographic camera
US4140378A (en) * 1975-08-09 1979-02-20 Canon Kabushiki Kaisha View finder device having liquid crystal cell
JPS5945970B2 (ja) * 1975-10-25 1984-11-09 アサヒコウガクコウギヨウ カブシキガイシヤ Ｌｅｄオモチイタフアインダ−ナイヒヨウジソウチ
JPS6029931B2 (ja) * 1976-02-25 1985-07-13 株式会社日立製作所 表示装置制御回路

Also Published As

Publication number Publication date
FR2413681B1 (fr) 1980-06-06
US4264165A (en) 1981-04-28

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse