JPS53110504A - Optical reproducing device - Google Patents
Optical reproducing deviceInfo
- Publication number
- JPS53110504A JPS53110504A JP2559477A JP2559477A JPS53110504A JP S53110504 A JPS53110504 A JP S53110504A JP 2559477 A JP2559477 A JP 2559477A JP 2559477 A JP2559477 A JP 2559477A JP S53110504 A JPS53110504 A JP S53110504A
- Authority
- JP
- Japan
- Prior art keywords
- reproducing device
- optical reproducing
- tracking
- gain
- ensure
- 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
Abstract
PURPOSE:To ensure a highly stable and accurate tracking servo by controlling the gain of the tracking deflection control circuit in accordance with the output which detected the change of the tracking shift amount detecting sensitivity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2559477A JPS6032264B2 (en) | 1977-03-08 | 1977-03-08 | optical reproduction device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2559477A JPS6032264B2 (en) | 1977-03-08 | 1977-03-08 | optical reproduction device |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28470186A Division JPS63100623A (en) | 1986-11-28 | 1986-11-28 | Optical reproducing device |
JP28470386A Division JPS63100624A (en) | 1986-11-28 | 1986-11-28 | Optical reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53110504A true JPS53110504A (en) | 1978-09-27 |
JPS6032264B2 JPS6032264B2 (en) | 1985-07-26 |
Family
ID=12170223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2559477A Expired JPS6032264B2 (en) | 1977-03-08 | 1977-03-08 | optical reproduction device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6032264B2 (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2517153A1 (en) * | 1981-11-26 | 1983-05-27 | Philips Nv | DEVICE FOR OPTICALLY EXPLORING A DISK-SHAPED INFORMATION MEDIUM |
JPS58211336A (en) * | 1982-06-01 | 1983-12-08 | Pioneer Electronic Corp | Controller for pickup output level of recording information reader |
JPS5998324A (en) * | 1982-11-27 | 1984-06-06 | Canon Inc | Information recording and reproducing device |
JPS59116939A (en) * | 1982-12-23 | 1984-07-06 | Olympus Optical Co Ltd | Optical recording and reproducing device |
JPS59171088A (en) * | 1983-03-18 | 1984-09-27 | Pioneer Electronic Corp | Tracking servo device |
JPS59157226U (en) * | 1983-04-07 | 1984-10-22 | 三洋電機株式会社 | Recording beam limiting circuit |
JPS6095736A (en) * | 1983-10-29 | 1985-05-29 | Sony Corp | Tracking servo device of optical disc player |
JPS60243829A (en) * | 1984-05-18 | 1985-12-03 | Sony Corp | Tracking controller of optical disk player |
JPS60246027A (en) * | 1984-05-21 | 1985-12-05 | Matsushita Electric Ind Co Ltd | Focus controller |
JPS60247833A (en) * | 1984-05-23 | 1985-12-07 | Sony Corp | Tracking servocontrol device for optical disk player |
JPS6132224A (en) * | 1984-07-23 | 1986-02-14 | Hitachi Ltd | Optical information recording and reproducing device |
JPS6132225A (en) * | 1984-07-23 | 1986-02-14 | Hitachi Ltd | Optical recording and reproducing device |
JPS61172228A (en) * | 1984-05-21 | 1986-08-02 | Matsushita Electric Ind Co Ltd | Tracking controller |
JPS6233341A (en) * | 1985-08-06 | 1987-02-13 | Canon Inc | Optical information recording and reproducing device |
US6741416B2 (en) | 1999-12-16 | 2004-05-25 | Matsushita Electric Industrial Co., Ltd. | Tracking signal generating device and method, and magnetic recording/reproducing system |
-
1977
- 1977-03-08 JP JP2559477A patent/JPS6032264B2/en not_active Expired
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2517153A1 (en) * | 1981-11-26 | 1983-05-27 | Philips Nv | DEVICE FOR OPTICALLY EXPLORING A DISK-SHAPED INFORMATION MEDIUM |
JPS58211336A (en) * | 1982-06-01 | 1983-12-08 | Pioneer Electronic Corp | Controller for pickup output level of recording information reader |
JPS5998324A (en) * | 1982-11-27 | 1984-06-06 | Canon Inc | Information recording and reproducing device |
JPH0566654B2 (en) * | 1982-11-27 | 1993-09-22 | Canon Kk | |
JPH0447893B2 (en) * | 1982-12-23 | 1992-08-05 | Olympus Optical Co | |
JPS59116939A (en) * | 1982-12-23 | 1984-07-06 | Olympus Optical Co Ltd | Optical recording and reproducing device |
JPS59171088A (en) * | 1983-03-18 | 1984-09-27 | Pioneer Electronic Corp | Tracking servo device |
JPS59157226U (en) * | 1983-04-07 | 1984-10-22 | 三洋電機株式会社 | Recording beam limiting circuit |
JPH0110752Y2 (en) * | 1983-04-07 | 1989-03-28 | ||
JPS6095736A (en) * | 1983-10-29 | 1985-05-29 | Sony Corp | Tracking servo device of optical disc player |
JPH059854B2 (en) * | 1983-10-29 | 1993-02-08 | Sony Corp | |
JPS60243829A (en) * | 1984-05-18 | 1985-12-03 | Sony Corp | Tracking controller of optical disk player |
JPS60246027A (en) * | 1984-05-21 | 1985-12-05 | Matsushita Electric Ind Co Ltd | Focus controller |
JPS61172228A (en) * | 1984-05-21 | 1986-08-02 | Matsushita Electric Ind Co Ltd | Tracking controller |
JPS60247833A (en) * | 1984-05-23 | 1985-12-07 | Sony Corp | Tracking servocontrol device for optical disk player |
JPS6132225A (en) * | 1984-07-23 | 1986-02-14 | Hitachi Ltd | Optical recording and reproducing device |
JPH0542737B2 (en) * | 1984-07-23 | 1993-06-29 | Hitachi Ltd | |
JPH0548532B2 (en) * | 1984-07-23 | 1993-07-21 | Hitachi Ltd | |
JPS6132224A (en) * | 1984-07-23 | 1986-02-14 | Hitachi Ltd | Optical information recording and reproducing device |
JPS6233341A (en) * | 1985-08-06 | 1987-02-13 | Canon Inc | Optical information recording and reproducing device |
US6741416B2 (en) | 1999-12-16 | 2004-05-25 | Matsushita Electric Industrial Co., Ltd. | Tracking signal generating device and method, and magnetic recording/reproducing system |
Also Published As
Publication number | Publication date |
---|---|
JPS6032264B2 (en) | 1985-07-26 |
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