JPS5344444Y2 - - Google Patents
Info
- Publication number
- JPS5344444Y2 JPS5344444Y2 JP1972100837U JP10083772U JPS5344444Y2 JP S5344444 Y2 JPS5344444 Y2 JP S5344444Y2 JP 1972100837 U JP1972100837 U JP 1972100837U JP 10083772 U JP10083772 U JP 10083772U JP S5344444 Y2 JPS5344444 Y2 JP S5344444Y2
- 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.)
- 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
- G03B7/083—Analogue 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)
- Shutter-Related Mechanisms (AREA)
- Shutters For Cameras (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972100837U JPS5344444Y2 (en:Method) | 1972-08-29 | 1972-08-29 | |
| GB3963973A GB1398942A (en) | 1972-08-29 | 1973-08-21 | Camera exposure time control device |
| DE19732343384 DE2343384A1 (de) | 1972-08-29 | 1973-08-28 | Schaltungsanordnung zur elektrischen belichtungszeitsteuerung in fotografischen kameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972100837U JPS5344444Y2 (en:Method) | 1972-08-29 | 1972-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4958346U JPS4958346U (en:Method) | 1974-05-23 |
| JPS5344444Y2 true JPS5344444Y2 (en:Method) | 1978-10-25 |
Family
ID=14284414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1972100837U Expired JPS5344444Y2 (en:Method) | 1972-08-29 | 1972-08-29 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5344444Y2 (en:Method) |
| DE (1) | DE2343384A1 (en:Method) |
| GB (1) | GB1398942A (en:Method) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3683767A (en) * | 1970-06-22 | 1972-08-15 | Minolta Camera Kk | Electronic shutter system |
| US3742475A (en) * | 1971-03-16 | 1973-06-26 | Tif Instr Inc | Gaseous impurity detector employing corona discharge phenomenon |
-
1972
- 1972-08-29 JP JP1972100837U patent/JPS5344444Y2/ja not_active Expired
-
1973
- 1973-08-21 GB GB3963973A patent/GB1398942A/en not_active Expired
- 1973-08-28 DE DE19732343384 patent/DE2343384A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2343384A1 (de) | 1974-03-21 |
| JPS4958346U (en:Method) | 1974-05-23 |
| GB1398942A (en) | 1975-06-25 |