JPS5224526A - Program shutter - Google Patents
Program shutterInfo
- Publication number
- JPS5224526A JPS5224526A JP10140975A JP10140975A JPS5224526A JP S5224526 A JPS5224526 A JP S5224526A JP 10140975 A JP10140975 A JP 10140975A JP 10140975 A JP10140975 A JP 10140975A JP S5224526 A JPS5224526 A JP S5224526A
- Authority
- JP
- Japan
- Prior art keywords
- shutter blade
- program shutter
- opening
- driving
- stepping motor
- 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
Landscapes
- Exposure Control For Cameras (AREA)
Abstract
PURPOSE: To control an exposure quantity resulting from a proper combination of opening value of the shutter blade and an opening maintaining time by driving the shutter blade combined with plural stops owing to an electric drive source, such as, a numerically driven stepping motor.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10140975A JPS5224526A (en) | 1975-08-20 | 1975-08-20 | Program shutter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10140975A JPS5224526A (en) | 1975-08-20 | 1975-08-20 | Program shutter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5224526A true JPS5224526A (en) | 1977-02-24 |
JPS5748771B2 JPS5748771B2 (en) | 1982-10-18 |
Family
ID=14299905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10140975A Granted JPS5224526A (en) | 1975-08-20 | 1975-08-20 | Program shutter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5224526A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57173294A (en) * | 1981-04-20 | 1982-10-25 | Sony Corp | Speaker system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5017635A (en) * | 1973-05-22 | 1975-02-25 |
-
1975
- 1975-08-20 JP JP10140975A patent/JPS5224526A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5017635A (en) * | 1973-05-22 | 1975-02-25 |
Also Published As
Publication number | Publication date |
---|---|
JPS5748771B2 (en) | 1982-10-18 |
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