JPS5039940A - - Google Patents
Info
- Publication number
- JPS5039940A JPS5039940A JP7813174A JP7813174A JPS5039940A JP S5039940 A JPS5039940 A JP S5039940A JP 7813174 A JP7813174 A JP 7813174A JP 7813174 A JP7813174 A JP 7813174A JP S5039940 A JPS5039940 A JP S5039940A
- 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
- G03B7/081—Analogue circuits
- G03B7/085—Analogue circuits for control of aperture
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Diaphragms For Cameras (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732335914 DE2335914C3 (de) | 1973-07-14 | Kamera, insbesondere einäugige Spiegelreflexkamera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5039940A true JPS5039940A (ja) | 1975-04-12 |
Family
ID=5886934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7813174A Pending JPS5039940A (ja) | 1973-07-14 | 1974-07-08 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5039940A (ja) |
| GB (1) | GB1436972A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155827A (zh) * | 2014-08-25 | 2014-11-19 | 中山联合光电科技有限公司 | 一种带光电检测装置的步进光圈装置 |
-
1974
- 1974-04-29 GB GB1867874A patent/GB1436972A/en not_active Expired
- 1974-07-08 JP JP7813174A patent/JPS5039940A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155827A (zh) * | 2014-08-25 | 2014-11-19 | 中山联合光电科技有限公司 | 一种带光电检测装置的步进光圈装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1436972A (en) | 1976-05-26 |
| DE2335914A1 (de) | 1975-01-30 |
| DE2335914B2 (de) | 1977-05-26 |