FR1073529A - Système optique de commande de l'intensité de la lumière - Google Patents
Système optique de commande de l'intensité de la lumièreInfo
- Publication number
- FR1073529A FR1073529A FR1073529DA FR1073529A FR 1073529 A FR1073529 A FR 1073529A FR 1073529D A FR1073529D A FR 1073529DA FR 1073529 A FR1073529 A FR 1073529A
- Authority
- FR
- France
- Prior art keywords
- control system
- light intensity
- optical light
- intensity control
- optical
- 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
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/005—Diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Color Television Image Signal Generators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US283304A US2757232A (en) | 1952-04-21 | 1952-04-21 | Light intensity controlling optical system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1073529A true FR1073529A (fr) | 1954-09-27 |
Family
ID=23085402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1073529D Expired FR1073529A (fr) | 1952-04-21 | 1953-01-15 | Système optique de commande de l'intensité de la lumière |
Country Status (2)
Country | Link |
---|---|
US (1) | US2757232A (fr) |
FR (1) | FR1073529A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0488460A1 (fr) * | 1990-11-29 | 1992-06-03 | Koninklijke Philips Electronics N.V. | Temps d'intégration court, régulé par une lamelle d'obturateur principale et une lamelle auxilliaire |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB886016A (en) * | 1957-03-22 | 1962-01-03 | Emi Ltd | Improvements relating to colour television cameras |
GB835153A (en) * | 1957-09-02 | 1960-05-18 | Harries Television Res Ltd | Improvements in and relating to optical systems for use in television, radar and thelike |
NL253794A (fr) * | 1959-07-14 | |||
US3041924A (en) * | 1959-11-18 | 1962-07-03 | Strass Herbert Kurt | Motion picture camera for optical pyrometry |
BE630287A (fr) * | 1962-03-29 | |||
US3457364A (en) * | 1964-09-14 | 1969-07-22 | Julio B Carrillo | Color television system providing an illusion of depth |
DE2642975C2 (de) * | 1976-09-24 | 1978-09-07 | Gossen Gmbh, 8520 Erlangen | Vorrichtung zur Ermittlung der die korrekte Belichtung eines Films bei der Aufnahme eines Objekts gewährleistenden Belichtungsparameterwerte |
US4510529A (en) * | 1981-07-20 | 1985-04-09 | Panavision, Incorporated | Electronic cinema camera |
JPH0666906B2 (ja) * | 1984-01-31 | 1994-08-24 | キヤノン株式会社 | 光学装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1629974A (en) * | 1921-02-24 | 1927-05-24 | Russo Gioacchino | Optical apparatus, as photographic camera, for reproducing the objects with their natural colors |
US2391430A (en) * | 1942-12-02 | 1945-12-25 | Joseph J Macek | Camera and projector |
FR945960A (fr) * | 1946-05-07 | 1949-05-19 | Système optique pour le cinéma, la photographie et la télévision en couleur | |
US2510374A (en) * | 1946-11-29 | 1950-06-06 | Rca Corp | Optical assembly for projecting an image of luminous characteristics upon light responsive element |
US2536866A (en) * | 1947-01-16 | 1951-01-02 | Farrand Optical Co Inc | Reflex camera combination, including telephoto lens and telescope finder |
US2607845A (en) * | 1947-08-20 | 1952-08-19 | Technicolor Motion Picture | Motion-picture photography and monitoring system for color television |
NL142053B (nl) * | 1947-09-24 | Velsicol Chemical Corp | Werkwijze voor het bereiden van een herbicide preparaat. | |
US2672072A (en) * | 1951-03-15 | 1954-03-16 | Rca Corp | Color television optical system |
US2632370A (en) * | 1951-07-13 | 1953-03-24 | Rca Corp | Television camera turret lens selecting and focusing apparatus |
-
1952
- 1952-04-21 US US283304A patent/US2757232A/en not_active Expired - Lifetime
-
1953
- 1953-01-15 FR FR1073529D patent/FR1073529A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0488460A1 (fr) * | 1990-11-29 | 1992-06-03 | Koninklijke Philips Electronics N.V. | Temps d'intégration court, régulé par une lamelle d'obturateur principale et une lamelle auxilliaire |
Also Published As
Publication number | Publication date |
---|---|
US2757232A (en) | 1956-07-31 |
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