JPS5253423A - Exposure control device - Google Patents
Exposure control deviceInfo
- Publication number
- JPS5253423A JPS5253423A JP50129111A JP12911175A JPS5253423A JP S5253423 A JPS5253423 A JP S5253423A JP 50129111 A JP50129111 A JP 50129111A JP 12911175 A JP12911175 A JP 12911175A JP S5253423 A JPS5253423 A JP S5253423A
- Authority
- JP
- Japan
- Prior art keywords
- control device
- exposure control
- determining
- shutter blade
- standard voltage
- 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.)
- Granted
Links
- 238000005286 illumination Methods 0.000 abstract 1
Landscapes
- Exposure Control For Cameras (AREA)
Abstract
PURPOSE: To enable a long time exposure at alow illumination by determining an opening quantity of the shutter blade by the first standard voltage, and determining a closing time of the shutter blade by the second standard voltage at the time of the largest oepning quantity.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50129111A JPS6015932B2 (en) | 1975-10-27 | 1975-10-27 | exposure control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50129111A JPS6015932B2 (en) | 1975-10-27 | 1975-10-27 | exposure control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5253423A true JPS5253423A (en) | 1977-04-30 |
JPS6015932B2 JPS6015932B2 (en) | 1985-04-23 |
Family
ID=15001327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50129111A Expired JPS6015932B2 (en) | 1975-10-27 | 1975-10-27 | exposure control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6015932B2 (en) |
-
1975
- 1975-10-27 JP JP50129111A patent/JPS6015932B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6015932B2 (en) | 1985-04-23 |
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