JPH0353698B2 - - Google Patents

Info

Publication number
JPH0353698B2
JPH0353698B2 JP57095754A JP9575482A JPH0353698B2 JP H0353698 B2 JPH0353698 B2 JP H0353698B2 JP 57095754 A JP57095754 A JP 57095754A JP 9575482 A JP9575482 A JP 9575482A JP H0353698 B2 JPH0353698 B2 JP H0353698B2
Authority
JP
Japan
Prior art keywords
focus
disk
voltage
circuit
output 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.)
Expired - Lifetime
Application number
JP57095754A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58212630A (ja
Inventor
Akira Katsuyama
Shuichi Kimura
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP9575482A priority Critical patent/JPS58212630A/ja
Priority to DE8383901732T priority patent/DE3380426D1/de
Priority to PCT/JP1983/000183 priority patent/WO1983004329A1/ja
Priority to EP83901732A priority patent/EP0111010B1/en
Publication of JPS58212630A publication Critical patent/JPS58212630A/ja
Priority to US07/020,230 priority patent/US4723234A/en
Publication of JPH0353698B2 publication Critical patent/JPH0353698B2/ja
Granted legal-status Critical Current

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
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP9575482A 1982-06-04 1982-06-04 光学式デイスク再生装置 Granted JPS58212630A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP9575482A JPS58212630A (ja) 1982-06-04 1982-06-04 光学式デイスク再生装置
DE8383901732T DE3380426D1 (en) 1982-06-04 1983-06-04 Optical disc reproducer
PCT/JP1983/000183 WO1983004329A1 (en) 1982-06-04 1983-06-04 Optical disc reproducer
EP83901732A EP0111010B1 (en) 1982-06-04 1983-06-04 Optical disc reproducer
US07/020,230 US4723234A (en) 1982-06-04 1987-03-02 Optical disc player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9575482A JPS58212630A (ja) 1982-06-04 1982-06-04 光学式デイスク再生装置

Publications (2)

Publication Number Publication Date
JPS58212630A JPS58212630A (ja) 1983-12-10
JPH0353698B2 true JPH0353698B2 (en, 2012) 1991-08-15

Family

ID=14146282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9575482A Granted JPS58212630A (ja) 1982-06-04 1982-06-04 光学式デイスク再生装置

Country Status (1)

Country Link
JP (1) JPS58212630A (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60123763U (ja) * 1984-01-30 1985-08-21 パイオニア株式会社 記録情報再生装置
JPH0614242B2 (ja) * 1985-02-28 1994-02-23 パイオニア株式会社 ディスクプレーヤ
JPS62259230A (ja) * 1986-05-06 1987-11-11 Pioneer Electronic Corp 車載用デイスクプレ−ヤ
JP2577310B2 (ja) * 1993-11-15 1997-01-29 パイオニア株式会社 オートローディングディスクプレーヤ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5833126B2 (ja) * 1975-11-10 1983-07-18 ニホンラヂエ−タ− カブシキガイシヤ ジドウシヤヨウクウチヨキノ ジドウオンドセイギヨソウチ
JPS6017364Y2 (ja) * 1980-04-21 1985-05-28 本田技研工業株式会社 自動車用空気調和装置における自動温度制御装置
JPS56154311A (en) * 1980-05-02 1981-11-28 Hitachi Ltd Automatic method of air-conditioning
JPS56163910A (en) * 1980-05-19 1981-12-16 Nippon Radiator Co Ltd Air conditioner for automobile

Also Published As

Publication number Publication date
JPS58212630A (ja) 1983-12-10

Similar Documents

Publication Publication Date Title
EP0294490B1 (en) Optical disc discriminating device
EP0111010B1 (en) Optical disc reproducer
JP3553241B2 (ja) 光ディスク装置
US4750163A (en) Pick-up head abnormality detector for optical recording/reproducing apparatus
EP0064671B1 (en) Optical disk apparatus
US5363358A (en) Optical disc apparatus with selection of three-beam and push-pull systems
US5161144A (en) System for recording information on an optical recording medium
US5101396A (en) Information recording system capable of preventing overwriting
JPH0410129B2 (en, 2012)
JPH0353697B2 (en, 2012)
JPH0353698B2 (en, 2012)
KR980011124A (ko) 광학식디스크 재생시템의 씨디/디브이디 판별장치
JPH09161388A (ja) 光ディスク判別器
JPH0359491B2 (en, 2012)
JP2598165B2 (ja) 光ディスク記録再生装置
JPH07118155B2 (ja) 光メモリ装置のオートゲインコントロール装置
JPH0821192B2 (ja) 光学式ディスク再生装置
JPH0855419A (ja) ディスク再生装置の保護装置
JP3235504B2 (ja) 光ディスク装置
JP3130422B2 (ja) フォーカス引込み装置
KR970002925A (ko) 광디스크의 기록밀도판별장치
KR940002576B1 (ko) 트랙위치 조절회로
JP2556751Y2 (ja) ディスク再生装置
KR100513336B1 (ko) 광픽업의 초기위치 제어방법
JPS59191140A (ja) 情報記録円盤の表裏判別装置