JPS6459642A - Autotracking controller - Google Patents
Autotracking controllerInfo
- Publication number
- JPS6459642A JPS6459642A JP21544987A JP21544987A JPS6459642A JP S6459642 A JPS6459642 A JP S6459642A JP 21544987 A JP21544987 A JP 21544987A JP 21544987 A JP21544987 A JP 21544987A JP S6459642 A JPS6459642 A JP S6459642A
- Authority
- JP
- Japan
- Prior art keywords
- abnormality
- mode
- sensitivity
- autotracking
- tracking
- 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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62215449A JPH0778897B2 (ja) | 1987-08-31 | 1987-08-31 | 光学式情報記録再生装置 |
EP88307626A EP0306179B1 (en) | 1987-08-31 | 1988-08-17 | Information recording and/or reproducing apparatus provided with means for detecting any abnormality of tracking servo |
DE3887601T DE3887601T2 (de) | 1987-08-31 | 1988-08-17 | Informationsaufnahme- und/oder -wiedergabegerät mit Mitteln zur Feststellung aller Spurfolgefehler. |
US07/233,489 US4982393A (en) | 1987-08-31 | 1988-08-17 | Information recording and/or reproducing apparatus provided with means for detecting abnormality of tracking servo |
CA000575302A CA1311557C (en) | 1987-08-31 | 1988-08-19 | Information recording and/or reproducing apparatus provided with meansfor detecting any abnormality of tracking servo |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62215449A JPH0778897B2 (ja) | 1987-08-31 | 1987-08-31 | 光学式情報記録再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6459642A true JPS6459642A (en) | 1989-03-07 |
JPH0778897B2 JPH0778897B2 (ja) | 1995-08-23 |
Family
ID=16672547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62215449A Expired - Fee Related JPH0778897B2 (ja) | 1987-08-31 | 1987-08-31 | 光学式情報記録再生装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0778897B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7095690B2 (en) | 2001-05-30 | 2006-08-22 | Fujitsu Limited | Write and/or erase method and storage apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5677018U (ja) * | 1979-11-19 | 1981-06-23 |
-
1987
- 1987-08-31 JP JP62215449A patent/JPH0778897B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5677018U (ja) * | 1979-11-19 | 1981-06-23 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7095690B2 (en) | 2001-05-30 | 2006-08-22 | Fujitsu Limited | Write and/or erase method and storage apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPH0778897B2 (ja) | 1995-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |