JPH0355906B2 - - Google Patents
Info
- Publication number
- JPH0355906B2 JPH0355906B2 JP5487984A JP5487984A JPH0355906B2 JP H0355906 B2 JPH0355906 B2 JP H0355906B2 JP 5487984 A JP5487984 A JP 5487984A JP 5487984 A JP5487984 A JP 5487984A JP H0355906 B2 JPH0355906 B2 JP H0355906B2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- cylindrical member
- tape
- light
- cassette pack
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 17
- 239000012780 transparent material Substances 0.000 claims description 10
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5487984A JPS60197989A (ja) | 1984-03-21 | 1984-03-21 | カセツトパツク |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5487984A JPS60197989A (ja) | 1984-03-21 | 1984-03-21 | カセツトパツク |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60197989A JPS60197989A (ja) | 1985-10-07 |
| JPH0355906B2 true JPH0355906B2 (zh) | 1991-08-26 |
Family
ID=12982868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5487984A Granted JPS60197989A (ja) | 1984-03-21 | 1984-03-21 | カセツトパツク |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60197989A (zh) |
-
1984
- 1984-03-21 JP JP5487984A patent/JPS60197989A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60197989A (ja) | 1985-10-07 |
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