JPH0516011B2 - - Google Patents
Info
- Publication number
- JPH0516011B2 JPH0516011B2 JP58047536A JP4753683A JPH0516011B2 JP H0516011 B2 JPH0516011 B2 JP H0516011B2 JP 58047536 A JP58047536 A JP 58047536A JP 4753683 A JP4753683 A JP 4753683A JP H0516011 B2 JPH0516011 B2 JP H0516011B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light source
- reference value
- reflected light
- signal corresponding
- 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 - Lifetime
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
- G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
-
- 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
- G03B7/089—Analogue circuits for storage of exposure value in mirror reflex cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Stroboscope Apparatuses (AREA)
- Endoscopes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58047536A JPS59172630A (ja) | 1983-03-22 | 1983-03-22 | 自動露出制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58047536A JPS59172630A (ja) | 1983-03-22 | 1983-03-22 | 自動露出制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59172630A JPS59172630A (ja) | 1984-09-29 |
| JPH0516011B2 true JPH0516011B2 (enrdf_load_stackoverflow) | 1993-03-03 |
Family
ID=12777847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58047536A Granted JPS59172630A (ja) | 1983-03-22 | 1983-03-22 | 自動露出制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59172630A (enrdf_load_stackoverflow) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54145527A (en) * | 1978-05-04 | 1979-11-13 | Fuji Photo Optical Co Ltd | Exposure correcting method in close-up photography of camera |
| JPS56151920A (en) * | 1980-04-25 | 1981-11-25 | Minolta Camera Co Ltd | Control device for photographic flash discharge tube |
| JPS5794733A (en) * | 1980-12-03 | 1982-06-12 | Olympus Optical Co Ltd | Stroboscopic lamp light emission control device of t.t.l. direct photometric camera |
-
1983
- 1983-03-22 JP JP58047536A patent/JPS59172630A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59172630A (ja) | 1984-09-29 |