JPH0384920U - - Google Patents
Info
- Publication number
- JPH0384920U JPH0384920U JP14562289U JP14562289U JPH0384920U JP H0384920 U JPH0384920 U JP H0384920U JP 14562289 U JP14562289 U JP 14562289U JP 14562289 U JP14562289 U JP 14562289U JP H0384920 U JPH0384920 U JP H0384920U
- Authority
- JP
- Japan
- Prior art keywords
- information reading
- reproducing mechanism
- recording surface
- information
- change
- 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 10
- 241001422033 Thestylus Species 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14562289U JPH0384920U ( ) | 1989-12-18 | 1989-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14562289U JPH0384920U ( ) | 1989-12-18 | 1989-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0384920U true JPH0384920U ( ) | 1991-08-28 |
Family
ID=31692249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14562289U Pending JPH0384920U ( ) | 1989-12-18 | 1989-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0384920U ( ) |
-
1989
- 1989-12-18 JP JP14562289U patent/JPH0384920U/ja active Pending
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