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 photographiquesInfo
- 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
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)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Indication In Cameras, And Counting Of Exposures (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.
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)
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)
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 |
-
1977
- 1977-12-27 FR FR7739319A patent/FR2413681A1/fr active Granted
-
1978
- 1978-12-15 US US05/969,667 patent/US4264165A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4264165A (en) | 1981-04-28 |
FR2413681B1 (fr) | 1980-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |