JPS6446703U - - Google Patents
Info
- Publication number
- JPS6446703U JPS6446703U JP14173987U JP14173987U JPS6446703U JP S6446703 U JPS6446703 U JP S6446703U JP 14173987 U JP14173987 U JP 14173987U JP 14173987 U JP14173987 U JP 14173987U JP S6446703 U JPS6446703 U JP S6446703U
- Authority
- JP
- Japan
- Prior art keywords
- optical disc
- optical
- light beam
- beam sensor
- runout
- 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
- 230000003287 optical effect Effects 0.000 claims description 18
- 238000007689 inspection Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14173987U JPS6446703U (de) | 1987-09-17 | 1987-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14173987U JPS6446703U (de) | 1987-09-17 | 1987-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6446703U true JPS6446703U (de) | 1989-03-22 |
Family
ID=31407072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14173987U Pending JPS6446703U (de) | 1987-09-17 | 1987-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6446703U (de) |
-
1987
- 1987-09-17 JP JP14173987U patent/JPS6446703U/ja active Pending
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