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JPS53110504A - Optical reproducing device - Google Patents

Optical reproducing device

Info

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
Application number
JP2559477A
Other languages
Japanese (ja)
Other versions
JPS6032264B2 (en
Inventor
Masahiro Deguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2559477A priority Critical patent/JPS6032264B2/en
Publication of JPS53110504A publication Critical patent/JPS53110504A/en
Publication of JPS6032264B2 publication Critical patent/JPS6032264B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)

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.
JP2559477A 1977-03-08 1977-03-08 optical reproduction device Expired JPS6032264B2 (en)

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
JP28470386A Division JPS63100624A (en) 1986-11-28 1986-11-28 Optical reproducing device
JP28470186A Division JPS63100623A (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)

* Cited by examiner, † Cited by third party
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

Cited By (15)

* Cited by examiner, † Cited by third party
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
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
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
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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