JPS5240962B2 - - Google Patents
Info
- Publication number
- JPS5240962B2 JPS5240962B2 JP4538473A JP4538473A JPS5240962B2 JP S5240962 B2 JPS5240962 B2 JP S5240962B2 JP 4538473 A JP4538473 A JP 4538473A JP 4538473 A JP4538473 A JP 4538473A JP S5240962 B2 JPS5240962 B2 JP S5240962B2
- Authority
- JP
- Japan
- 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
Landscapes
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4538473A JPS5240962B2 (de) | 1973-04-20 | 1973-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4538473A JPS5240962B2 (de) | 1973-04-20 | 1973-04-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49131127A JPS49131127A (de) | 1974-12-16 |
| JPS5240962B2 true JPS5240962B2 (de) | 1977-10-15 |
Family
ID=12717760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4538473A Expired JPS5240962B2 (de) | 1973-04-20 | 1973-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5240962B2 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5195860A (de) * | 1975-02-19 | 1976-08-23 | ||
| JPS5263793A (en) * | 1975-11-21 | 1977-05-26 | Pioneer Electronic Corp | Optical signal reader |
| JPS5266447A (en) * | 1975-11-28 | 1977-06-01 | Japanese National Railways<Jnr> | Focus adjusting device in optical measuring apparatus |
| JP2559006B2 (ja) * | 1993-01-13 | 1996-11-27 | 松下電器産業株式会社 | 光ヘッド |
| JP2636659B2 (ja) * | 1993-02-03 | 1997-07-30 | 日本電気株式会社 | フォーカシング誤差検出器 |
| JP2559011B2 (ja) * | 1993-08-25 | 1996-11-27 | 松下電器産業株式会社 | 光ヘッド |
-
1973
- 1973-04-20 JP JP4538473A patent/JPS5240962B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS49131127A (de) | 1974-12-16 |