JPH031730B2 - - Google Patents

Info

Publication number
JPH031730B2
JPH031730B2 JP56032224A JP3222481A JPH031730B2 JP H031730 B2 JPH031730 B2 JP H031730B2 JP 56032224 A JP56032224 A JP 56032224A JP 3222481 A JP3222481 A JP 3222481A JP H031730 B2 JPH031730 B2 JP H031730B2
Authority
JP
Japan
Prior art keywords
waveform
information
address
signal
disk
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
JP56032224A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57147115A (en
Inventor
Haruo Yamashita
Tomio Yoshida
Tamotsu Matsuo
Noboru Wakami
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 JP56032224A priority Critical patent/JPS57147115A/ja
Publication of JPS57147115A publication Critical patent/JPS57147115A/ja
Publication of JPH031730B2 publication Critical patent/JPH031730B2/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
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing

Landscapes

  • Dc Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Television Signal Processing For Recording (AREA)
  • Digital Magnetic Recording (AREA)
  • Optical Recording Or Reproduction (AREA)
JP56032224A 1981-03-05 1981-03-05 Information carrier Granted JPS57147115A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56032224A JPS57147115A (en) 1981-03-05 1981-03-05 Information carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56032224A JPS57147115A (en) 1981-03-05 1981-03-05 Information carrier

Publications (2)

Publication Number Publication Date
JPS57147115A JPS57147115A (en) 1982-09-10
JPH031730B2 true JPH031730B2 (enrdf_load_stackoverflow) 1991-01-11

Family

ID=12352980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56032224A Granted JPS57147115A (en) 1981-03-05 1981-03-05 Information carrier

Country Status (1)

Country Link
JP (1) JPS57147115A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5107486A (en) * 1985-12-04 1992-04-21 Sharp Kabushiki Kaisha Optical memory device with grooves and pits in selected dimensional relationship

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57143945A (en) * 1981-03-02 1982-09-06 Nec Corp Receiving circuit for burst optical communication

Also Published As

Publication number Publication date
JPS57147115A (en) 1982-09-10

Similar Documents

Publication Publication Date Title
US5070496A (en) Laser reproducing apparatus
EP0051343B1 (en) Signal processing for digital optical disc players
JPS63205819A (ja) 光学式情報記録装置
JPH0243256B2 (enrdf_load_stackoverflow)
US5742578A (en) Information recording and reproducing apparatus using light beam modulation on a spiral guide groove disk
US5936921A (en) Optical disc apparatus for recording the RF signal component in a difference signal which contains both speed and time information
JPH11144255A (ja) 光情報再生装置及び光情報再生方法
JPS61104337A (ja) 光学的情報記録再生装置
ATE71467T1 (de) Geraet zur wiedergabe von daten.
JPH031730B2 (enrdf_load_stackoverflow)
JP2588161B2 (ja) 光情報検出装置
JPS62271237A (ja) 光学的再生方法
JPS61287037A (ja) デイスク
JP2810766B2 (ja) 光学的情報記録再生装置
JPS61156540A (ja) 光情報記録再生装置
JPH0792917B2 (ja) 光学的情報再生及び消去方法
JPS61153830A (ja) 光デイスク装置
JP2606436B2 (ja) レーザの出力制御装置
JPH0214435A (ja) 光学式記録再生媒体の記録制御方法
JPS59215027A (ja) 記録再生方式
JPS6217287B2 (enrdf_load_stackoverflow)
JPH0191343A (ja) マルチビ−ム光磁気ピックアップの半導体レ−ザ出力制御方法
JPS6038735A (ja) 記録再生装置
JPS6412013B2 (enrdf_load_stackoverflow)
JPS6019571B2 (ja) 光学的記録再生装置