JPS6074123A - 光ディスク装置 - Google Patents

光ディスク装置

Info

Publication number
JPS6074123A
JPS6074123A JP58181009A JP18100983A JPS6074123A JP S6074123 A JPS6074123 A JP S6074123A JP 58181009 A JP58181009 A JP 58181009A JP 18100983 A JP18100983 A JP 18100983A JP S6074123 A JPS6074123 A JP S6074123A
Authority
JP
Japan
Prior art keywords
frequency
objective lens
signal
disk
band
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
JP58181009A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0467255B2 (enExample
Inventor
Kanji Nishii
西井　完治
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 JP58181009A priority Critical patent/JPS6074123A/ja
Publication of JPS6074123A publication Critical patent/JPS6074123A/ja
Publication of JPH0467255B2 publication Critical patent/JPH0467255B2/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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP58181009A 1983-09-28 1983-09-28 光ディスク装置 Granted JPS6074123A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58181009A JPS6074123A (ja) 1983-09-28 1983-09-28 光ディスク装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58181009A JPS6074123A (ja) 1983-09-28 1983-09-28 光ディスク装置

Publications (2)

Publication Number Publication Date
JPS6074123A true JPS6074123A (ja) 1985-04-26
JPH0467255B2 JPH0467255B2 (enExample) 1992-10-27

Family

ID=16093144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58181009A Granted JPS6074123A (ja) 1983-09-28 1983-09-28 光ディスク装置

Country Status (1)

Country Link
JP (1) JPS6074123A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7701836B2 (en) 2001-11-27 2010-04-20 Hewlett-Packard Development Company, L.P. Re-writable optical disk having reference clock information permanently formed on the disk
USRE41881E1 (en) * 1997-07-24 2010-10-26 Hewlett-Packard Development Company, L.P. Re-writable optical disk having reference clock information permanently formed on the disk

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE41881E1 (en) * 1997-07-24 2010-10-26 Hewlett-Packard Development Company, L.P. Re-writable optical disk having reference clock information permanently formed on the disk
USRE43788E1 (en) 1997-07-24 2012-11-06 Hewlett-Packard Development Company, L.P. Re-writable optical disk having reference clock information permanently formed on the disk
US7701836B2 (en) 2001-11-27 2010-04-20 Hewlett-Packard Development Company, L.P. Re-writable optical disk having reference clock information permanently formed on the disk

Also Published As

Publication number Publication date
JPH0467255B2 (enExample) 1992-10-27

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