JPS57147115A - Information carrier - Google Patents

Information carrier

Info

Publication number
JPS57147115A
JPS57147115A JP56032224A JP3222481A JPS57147115A JP S57147115 A JPS57147115 A JP S57147115A JP 56032224 A JP56032224 A JP 56032224A JP 3222481 A JP3222481 A JP 3222481A JP S57147115 A JPS57147115 A JP S57147115A
Authority
JP
Japan
Prior art keywords
address signal
signal
digital
waveform
sag
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
JP56032224A
Other languages
English (en)
Japanese (ja)
Other versions
JPH031730B2 (enrdf_load_stackoverflow
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 true JPS57147115A (en) 1982-09-10
JPH031730B2 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)

Cited By (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

Citations (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

Patent Citations (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

Cited By (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

Also Published As

Publication number Publication date
JPH031730B2 (enrdf_load_stackoverflow) 1991-01-11

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