JPH01164432U - - Google Patents
Info
- Publication number
- JPH01164432U JPH01164432U JP5876288U JP5876288U JPH01164432U JP H01164432 U JPH01164432 U JP H01164432U JP 5876288 U JP5876288 U JP 5876288U JP 5876288 U JP5876288 U JP 5876288U JP H01164432 U JPH01164432 U JP H01164432U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- detection mark
- blade position
- optical sensor
- detection
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000000295 complement effect Effects 0.000 claims 1
Landscapes
- Diaphragms For Cameras (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5876288U JPH01164432U (sh) | 1988-04-30 | 1988-04-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5876288U JPH01164432U (sh) | 1988-04-30 | 1988-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01164432U true JPH01164432U (sh) | 1989-11-16 |
Family
ID=31284560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5876288U Pending JPH01164432U (sh) | 1988-04-30 | 1988-04-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01164432U (sh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0590458U (ja) * | 1992-05-21 | 1993-12-10 | オリンパス光学工業株式会社 | 光量制御装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5951304A (ja) * | 1982-09-17 | 1984-03-24 | Ono Sokki Co Ltd | 変位測定装置 |
JPS5951305A (ja) * | 1982-09-17 | 1984-03-24 | Ono Sokki Co Ltd | 変位測定装置 |
JPS5968605A (ja) * | 1982-10-14 | 1984-04-18 | Toshiba Corp | 物体の移動状態検出装置 |
-
1988
- 1988-04-30 JP JP5876288U patent/JPH01164432U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5951304A (ja) * | 1982-09-17 | 1984-03-24 | Ono Sokki Co Ltd | 変位測定装置 |
JPS5951305A (ja) * | 1982-09-17 | 1984-03-24 | Ono Sokki Co Ltd | 変位測定装置 |
JPS5968605A (ja) * | 1982-10-14 | 1984-04-18 | Toshiba Corp | 物体の移動状態検出装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0590458U (ja) * | 1992-05-21 | 1993-12-10 | オリンパス光学工業株式会社 | 光量制御装置 |
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