JPS4975327A - - Google Patents
Info
- Publication number
- JPS4975327A JPS4975327A JP47116572A JP11657272A JPS4975327A JP S4975327 A JPS4975327 A JP S4975327A JP 47116572 A JP47116572 A JP 47116572A JP 11657272 A JP11657272 A JP 11657272A JP S4975327 A JPS4975327 A JP S4975327A
- 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.)
- Granted
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11657272A JPS539527B2 (en, 2012) | 1972-11-22 | 1972-11-22 | |
| DE19732356967 DE2356967C3 (de) | 1972-11-22 | 1973-11-15 | Anordnung zur automatischen Belichtungszeitsteuerung für photographische Kameras, insbesondere für einäugige Spiegelreflexkameras |
| US00417130A US3852776A (en) | 1972-11-22 | 1973-11-19 | Control arrangement for a camera shutter |
| GB5407973A GB1423274A (en) | 1972-11-22 | 1973-11-21 | Camera exposure time and shutter control circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11657272A JPS539527B2 (en, 2012) | 1972-11-22 | 1972-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4975327A true JPS4975327A (en, 2012) | 1974-07-20 |
| JPS539527B2 JPS539527B2 (en, 2012) | 1978-04-06 |
Family
ID=14690416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11657272A Expired JPS539527B2 (en, 2012) | 1972-11-22 | 1972-11-22 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3852776A (en, 2012) |
| JP (1) | JPS539527B2 (en, 2012) |
| GB (1) | GB1423274A (en, 2012) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59122466U (ja) * | 1983-02-04 | 1984-08-17 | 株式会社明石製作所 | ロ−タリ式直動型サ−ボバルブ |
| CN103335711A (zh) * | 2013-06-24 | 2013-10-02 | 太原科技大学 | 一种太阳光辐照度测量装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025336B1 (en, 2012) * | 1967-11-28 | 1975-08-22 | ||
| JPS4831253B1 (en, 2012) * | 1968-11-06 | 1973-09-27 | ||
| US3651744A (en) * | 1969-01-13 | 1972-03-28 | Copal Co Ltd | Photographic camera |
| US3657979A (en) * | 1969-07-05 | 1972-04-25 | Asahi Optical Co Ltd | Automatic exposure controls for cameras |
| US3682057A (en) * | 1969-10-27 | 1972-08-08 | Copal Co Ltd | Apparatus for adjusting the electronic shutter of a {37 through-the-lens{38 {0 type camera |
| JPS5038331B1 (en, 2012) * | 1971-03-03 | 1975-12-09 | ||
| US3678825A (en) * | 1971-05-19 | 1972-07-25 | Asahi Optical Co Ltd | Automatic exposure controls for cameras |
-
1972
- 1972-11-22 JP JP11657272A patent/JPS539527B2/ja not_active Expired
-
1973
- 1973-11-19 US US00417130A patent/US3852776A/en not_active Expired - Lifetime
- 1973-11-21 GB GB5407973A patent/GB1423274A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS539527B2 (en, 2012) | 1978-04-06 |
| DE2356967A1 (de) | 1974-05-30 |
| GB1423274A (en) | 1976-02-04 |
| US3852776A (en) | 1974-12-03 |
| DE2356967B2 (de) | 1975-10-23 |