JPS5439102A - Medium locating sytem for focus-servo - Google Patents
Medium locating sytem for focus-servoInfo
- Publication number
- JPS5439102A JPS5439102A JP10473877A JP10473877A JPS5439102A JP S5439102 A JPS5439102 A JP S5439102A JP 10473877 A JP10473877 A JP 10473877A JP 10473877 A JP10473877 A JP 10473877A JP S5439102 A JPS5439102 A JP S5439102A
- Authority
- JP
- Japan
- Prior art keywords
- servo
- sytem
- focus
- medium locating
- medium
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
PURPOSE:To locate a medium stably and highly accurately by interposing a reflecting mirror between a galvanomirror for tracking servo and an objective lens.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52104738A JPS6044727B2 (en) | 1977-09-02 | 1977-09-02 | Media position detection method in focus servo |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52104738A JPS6044727B2 (en) | 1977-09-02 | 1977-09-02 | Media position detection method in focus servo |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5439102A true JPS5439102A (en) | 1979-03-26 |
JPS6044727B2 JPS6044727B2 (en) | 1985-10-05 |
Family
ID=14388831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52104738A Expired JPS6044727B2 (en) | 1977-09-02 | 1977-09-02 | Media position detection method in focus servo |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6044727B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4546463A (en) * | 1981-04-21 | 1985-10-08 | U.S. Philips Corporation | Apparatus for recording and reading information tracks on an optical record carrier with a beam of radiation |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51144203A (en) * | 1975-06-06 | 1976-12-11 | Hitachi Ltd | Political device for information reproduction |
JPS5263614A (en) * | 1975-11-20 | 1977-05-26 | Sony Corp | Information detector |
-
1977
- 1977-09-02 JP JP52104738A patent/JPS6044727B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51144203A (en) * | 1975-06-06 | 1976-12-11 | Hitachi Ltd | Political device for information reproduction |
JPS5263614A (en) * | 1975-11-20 | 1977-05-26 | Sony Corp | Information detector |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4546463A (en) * | 1981-04-21 | 1985-10-08 | U.S. Philips Corporation | Apparatus for recording and reading information tracks on an optical record carrier with a beam of radiation |
Also Published As
Publication number | Publication date |
---|---|
JPS6044727B2 (en) | 1985-10-05 |
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