JPH02140604U - - Google Patents
Info
- Publication number
- JPH02140604U JPH02140604U JP4620689U JP4620689U JPH02140604U JP H02140604 U JPH02140604 U JP H02140604U JP 4620689 U JP4620689 U JP 4620689U JP 4620689 U JP4620689 U JP 4620689U JP H02140604 U JPH02140604 U JP H02140604U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- magnetic field
- light
- receiving means
- driving
- 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 1
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4620689U JPH02140604U (en]) | 1989-04-21 | 1989-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4620689U JPH02140604U (en]) | 1989-04-21 | 1989-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140604U true JPH02140604U (en]) | 1990-11-26 |
Family
ID=31561083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4620689U Pending JPH02140604U (en]) | 1989-04-21 | 1989-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140604U (en]) |
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1989
- 1989-04-21 JP JP4620689U patent/JPH02140604U/ja active Pending