FR1520509A - Dispositif de réglage automatique de la lumination et ses applications - Google Patents
Dispositif de réglage automatique de la lumination et ses applicationsInfo
- Publication number
- FR1520509A FR1520509A FR93754A FR93754A FR1520509A FR 1520509 A FR1520509 A FR 1520509A FR 93754 A FR93754 A FR 93754A FR 93754 A FR93754 A FR 93754A FR 1520509 A FR1520509 A FR 1520509A
- Authority
- FR
- France
- Prior art keywords
- lumination
- automatic
- applications
- adjustment device
- adjustment
- 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
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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR93754A FR1520509A (fr) | 1967-02-06 | 1967-02-06 | Dispositif de réglage automatique de la lumination et ses applications |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR93754A FR1520509A (fr) | 1967-02-06 | 1967-02-06 | Dispositif de réglage automatique de la lumination et ses applications |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1520509A true FR1520509A (fr) | 1968-04-12 |
Family
ID=8624834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR93754A Expired FR1520509A (fr) | 1967-02-06 | 1967-02-06 | Dispositif de réglage automatique de la lumination et ses applications |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1520509A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2065556A1 (fr) * | 1970-10-27 | 1971-07-30 | Canon Kk |
-
1967
- 1967-02-06 FR FR93754A patent/FR1520509A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2065556A1 (fr) * | 1970-10-27 | 1971-07-30 | Canon Kk |
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