JPS4979528A - - Google Patents
Info
- Publication number
- JPS4979528A JPS4979528A JP12184472A JP12184472A JPS4979528A JP S4979528 A JPS4979528 A JP S4979528A JP 12184472 A JP12184472 A JP 12184472A JP 12184472 A JP12184472 A JP 12184472A JP S4979528 A JPS4979528 A JP S4979528A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G03B7/091—Digital circuits
- G03B7/093—Digital circuits for control of exposure time
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- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/58—Means for varying duration of "open" period of shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12184472A JPS4979528A (zh) | 1972-12-05 | 1972-12-05 | |
| AR24635673A AR197111A1 (es) | 1972-02-07 | 1973-01-31 | Proceso para producir un acido 5-(haloalquil)picolinico |
| DE19732360377 DE2360377C3 (de) | 1972-12-05 | 1973-12-04 | Elektronischer Verschluß für eine einäugige Spiegelreflexkamera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12184472A JPS4979528A (zh) | 1972-12-05 | 1972-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4979528A true JPS4979528A (zh) | 1974-08-01 |
Family
ID=14821320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12184472A Pending JPS4979528A (zh) | 1972-02-07 | 1972-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4979528A (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60166932A (ja) * | 1985-01-23 | 1985-08-30 | Copal Co Ltd | 露出補正回路 |
-
1972
- 1972-12-05 JP JP12184472A patent/JPS4979528A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60166932A (ja) * | 1985-01-23 | 1985-08-30 | Copal Co Ltd | 露出補正回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2360377B2 (de) | 1975-10-30 |
| DE2360377A1 (de) | 1974-06-20 |