JPS6273327U - - Google Patents
Info
- Publication number
- JPS6273327U JPS6273327U JP1985162537U JP16253785U JPS6273327U JP S6273327 U JPS6273327 U JP S6273327U JP 1985162537 U JP1985162537 U JP 1985162537U JP 16253785 U JP16253785 U JP 16253785U JP S6273327 U JPS6273327 U JP S6273327U
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- recording
- optical
- laser
- tracking control
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000001678 irradiating effect Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000010363 phase shift Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985162537U JPH0725863Y2 (ja) | 1985-10-23 | 1985-10-23 | 光記録再生装置用光ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985162537U JPH0725863Y2 (ja) | 1985-10-23 | 1985-10-23 | 光記録再生装置用光ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6273327U true JPS6273327U (enExample) | 1987-05-11 |
| JPH0725863Y2 JPH0725863Y2 (ja) | 1995-06-07 |
Family
ID=31089891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985162537U Expired - Lifetime JPH0725863Y2 (ja) | 1985-10-23 | 1985-10-23 | 光記録再生装置用光ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0725863Y2 (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58108040A (ja) * | 1981-12-21 | 1983-06-28 | Mitsubishi Electric Corp | 光ピツクアツプ |
| JPS5952439A (ja) * | 1983-08-15 | 1984-03-27 | Hitachi Ltd | 情報記録装置 |
-
1985
- 1985-10-23 JP JP1985162537U patent/JPH0725863Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58108040A (ja) * | 1981-12-21 | 1983-06-28 | Mitsubishi Electric Corp | 光ピツクアツプ |
| JPS5952439A (ja) * | 1983-08-15 | 1984-03-27 | Hitachi Ltd | 情報記録装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0725863Y2 (ja) | 1995-06-07 |
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