JPH0210491B2 - - Google Patents
Info
- Publication number
- JPH0210491B2 JPH0210491B2 JP55142910A JP14291080A JPH0210491B2 JP H0210491 B2 JPH0210491 B2 JP H0210491B2 JP 55142910 A JP55142910 A JP 55142910A JP 14291080 A JP14291080 A JP 14291080A JP H0210491 B2 JPH0210491 B2 JP H0210491B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- track
- photodetector
- lens
- signal
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 14
- 230000002093 peripheral effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55142910A JPS5769534A (en) | 1980-10-15 | 1980-10-15 | Optical track tracing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55142910A JPS5769534A (en) | 1980-10-15 | 1980-10-15 | Optical track tracing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5769534A JPS5769534A (en) | 1982-04-28 |
JPH0210491B2 true JPH0210491B2 (zh) | 1990-03-08 |
Family
ID=15326452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55142910A Granted JPS5769534A (en) | 1980-10-15 | 1980-10-15 | Optical track tracing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5769534A (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61216143A (ja) * | 1985-03-20 | 1986-09-25 | Matsushita Electric Ind Co Ltd | 光学ヘツド |
JP3267748B2 (ja) * | 1993-06-08 | 2002-03-25 | パイオニア株式会社 | 情報再生方法及び光検出器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4960702A (zh) * | 1972-08-25 | 1974-06-12 | ||
JPS502569A (zh) * | 1973-03-02 | 1975-01-11 | ||
JPS51134018A (en) * | 1975-05-16 | 1976-11-20 | Hitachi Ltd | Information regeneration method |
JPS5465007A (en) * | 1977-11-02 | 1979-05-25 | Matsushita Electric Ind Co Ltd | Disc form recording carrier reader |
-
1980
- 1980-10-15 JP JP55142910A patent/JPS5769534A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4960702A (zh) * | 1972-08-25 | 1974-06-12 | ||
JPS502569A (zh) * | 1973-03-02 | 1975-01-11 | ||
JPS51134018A (en) * | 1975-05-16 | 1976-11-20 | Hitachi Ltd | Information regeneration method |
JPS5465007A (en) * | 1977-11-02 | 1979-05-25 | Matsushita Electric Ind Co Ltd | Disc form recording carrier reader |
Also Published As
Publication number | Publication date |
---|---|
JPS5769534A (en) | 1982-04-28 |
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