JPS62139562U - - Google Patents
Info
- Publication number
- JPS62139562U JPS62139562U JP2796986U JP2796986U JPS62139562U JP S62139562 U JPS62139562 U JP S62139562U JP 2796986 U JP2796986 U JP 2796986U JP 2796986 U JP2796986 U JP 2796986U JP S62139562 U JPS62139562 U JP S62139562U
- Authority
- JP
- Japan
- Prior art keywords
- light detection
- detection device
- predetermined area
- ball
- pitching
- 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 12
- 239000011295 pitch Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2796986U JPS62139562U (no) | 1986-02-27 | 1986-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2796986U JPS62139562U (no) | 1986-02-27 | 1986-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62139562U true JPS62139562U (no) | 1987-09-03 |
Family
ID=30830498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2796986U Pending JPS62139562U (no) | 1986-02-27 | 1986-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62139562U (no) |
-
1986
- 1986-02-27 JP JP2796986U patent/JPS62139562U/ja active Pending
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