JPS6112596Y2 - - Google Patents
Info
- Publication number
- JPS6112596Y2 JPS6112596Y2 JP17231280U JP17231280U JPS6112596Y2 JP S6112596 Y2 JPS6112596 Y2 JP S6112596Y2 JP 17231280 U JP17231280 U JP 17231280U JP 17231280 U JP17231280 U JP 17231280U JP S6112596 Y2 JPS6112596 Y2 JP S6112596Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- magnet
- yoke
- protrusions
- plate
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910000828 alnico Inorganic materials 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17231280U JPS6112596Y2 (zh) | 1980-12-01 | 1980-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17231280U JPS6112596Y2 (zh) | 1980-12-01 | 1980-12-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5794632U JPS5794632U (zh) | 1982-06-10 |
| JPS6112596Y2 true JPS6112596Y2 (zh) | 1986-04-19 |
Family
ID=29530625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17231280U Expired JPS6112596Y2 (zh) | 1980-12-01 | 1980-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6112596Y2 (zh) |
-
1980
- 1980-12-01 JP JP17231280U patent/JPS6112596Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5794632U (zh) | 1982-06-10 |
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