JPS57143743A - Disk-like information recording medium and its reproducing system - Google Patents
Disk-like information recording medium and its reproducing systemInfo
- Publication number
- JPS57143743A JPS57143743A JP56029706A JP2970681A JPS57143743A JP S57143743 A JPS57143743 A JP S57143743A JP 56029706 A JP56029706 A JP 56029706A JP 2970681 A JP2970681 A JP 2970681A JP S57143743 A JPS57143743 A JP S57143743A
- Authority
- JP
- Japan
- Prior art keywords
- reproducing
- main information
- information signal
- pit
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
- G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56029706A JPS57143743A (en) | 1981-03-02 | 1981-03-02 | Disk-like information recording medium and its reproducing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56029706A JPS57143743A (en) | 1981-03-02 | 1981-03-02 | Disk-like information recording medium and its reproducing system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57143743A true JPS57143743A (en) | 1982-09-06 |
JPS6338774B2 JPS6338774B2 (enrdf_load_stackoverflow) | 1988-08-02 |
Family
ID=12283546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56029706A Granted JPS57143743A (en) | 1981-03-02 | 1981-03-02 | Disk-like information recording medium and its reproducing system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57143743A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5251200A (en) * | 1990-09-14 | 1993-10-05 | Canon Kabushiki Kaisha | Tracking method for memory apparatus |
US5404349A (en) * | 1990-02-09 | 1995-04-04 | Canon Kabushiki Kaisha | Position displacement detecting apparatus |
-
1981
- 1981-03-02 JP JP56029706A patent/JPS57143743A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5404349A (en) * | 1990-02-09 | 1995-04-04 | Canon Kabushiki Kaisha | Position displacement detecting apparatus |
US5251200A (en) * | 1990-09-14 | 1993-10-05 | Canon Kabushiki Kaisha | Tracking method for memory apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS6338774B2 (enrdf_load_stackoverflow) | 1988-08-02 |
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