JPS63139608U - - Google Patents
Info
- Publication number
- JPS63139608U JPS63139608U JP2946987U JP2946987U JPS63139608U JP S63139608 U JPS63139608 U JP S63139608U JP 2946987 U JP2946987 U JP 2946987U JP 2946987 U JP2946987 U JP 2946987U JP S63139608 U JPS63139608 U JP S63139608U
- Authority
- JP
- Japan
- Prior art keywords
- position detection
- disc
- grooves
- main
- sub
- 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 8
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Position Or Direction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2946987U JPS63139608U (enExample) | 1987-02-28 | 1987-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2946987U JPS63139608U (enExample) | 1987-02-28 | 1987-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63139608U true JPS63139608U (enExample) | 1988-09-14 |
Family
ID=30833379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2946987U Pending JPS63139608U (enExample) | 1987-02-28 | 1987-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63139608U (enExample) |
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1987
- 1987-02-28 JP JP2946987U patent/JPS63139608U/ja active Pending