JPS57105802A - Detector of center position of recording disc - Google Patents
Detector of center position of recording discInfo
- Publication number
- JPS57105802A JPS57105802A JP18081280A JP18081280A JPS57105802A JP S57105802 A JPS57105802 A JP S57105802A JP 18081280 A JP18081280 A JP 18081280A JP 18081280 A JP18081280 A JP 18081280A JP S57105802 A JPS57105802 A JP S57105802A
- Authority
- JP
- Japan
- Prior art keywords
- width
- pulse
- signal
- image
- response
- 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
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
Landscapes
- Rotational Drive Of Disk (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18081280A JPS57105802A (en) | 1980-12-20 | 1980-12-20 | Detector of center position of recording disc |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18081280A JPS57105802A (en) | 1980-12-20 | 1980-12-20 | Detector of center position of recording disc |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57105802A true JPS57105802A (en) | 1982-07-01 |
JPS6315650B2 JPS6315650B2 (enrdf_load_html_response) | 1988-04-05 |
Family
ID=16089780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18081280A Granted JPS57105802A (en) | 1980-12-20 | 1980-12-20 | Detector of center position of recording disc |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57105802A (enrdf_load_html_response) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002084660A1 (en) * | 2001-04-17 | 2002-10-24 | Thomson Licensing S.A. | Sensing disk centering |
-
1980
- 1980-12-20 JP JP18081280A patent/JPS57105802A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002084660A1 (en) * | 2001-04-17 | 2002-10-24 | Thomson Licensing S.A. | Sensing disk centering |
Also Published As
Publication number | Publication date |
---|---|
JPS6315650B2 (enrdf_load_html_response) | 1988-04-05 |
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