JPS62137744A - 光デイスク - Google Patents

光デイスク

Info

Publication number
JPS62137744A
JPS62137744A JP60276717A JP27671785A JPS62137744A JP S62137744 A JPS62137744 A JP S62137744A JP 60276717 A JP60276717 A JP 60276717A JP 27671785 A JP27671785 A JP 27671785A JP S62137744 A JPS62137744 A JP S62137744A
Authority
JP
Japan
Prior art keywords
rom
information
ram
optical disk
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.)
Granted
Application number
JP60276717A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0559494B2 (enrdf_load_html_response
Inventor
Nobuhiro Tokujiyuku
徳宿　伸弘
Yoshie Kodera
小寺　喜衛
Takashi Takeuchi
崇 竹内
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP60276717A priority Critical patent/JPS62137744A/ja
Publication of JPS62137744A publication Critical patent/JPS62137744A/ja
Publication of JPH0559494B2 publication Critical patent/JPH0559494B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
JP60276717A 1985-12-11 1985-12-11 光デイスク Granted JPS62137744A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60276717A JPS62137744A (ja) 1985-12-11 1985-12-11 光デイスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60276717A JPS62137744A (ja) 1985-12-11 1985-12-11 光デイスク

Publications (2)

Publication Number Publication Date
JPS62137744A true JPS62137744A (ja) 1987-06-20
JPH0559494B2 JPH0559494B2 (enrdf_load_html_response) 1993-08-31

Family

ID=17573348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60276717A Granted JPS62137744A (ja) 1985-12-11 1985-12-11 光デイスク

Country Status (1)

Country Link
JP (1) JPS62137744A (enrdf_load_html_response)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02132657A (ja) * 1988-07-30 1990-05-22 Taiyo Yuden Co Ltd 光情報記録媒体とそれを用いた光情報記録方法
JPH02289937A (ja) * 1989-02-08 1990-11-29 Fujitsu Ltd 光ディスク及び光ディスク装置
JPH0354744A (ja) * 1989-07-24 1991-03-08 Taiyo Yuden Co Ltd 光情報記録媒体及びそれを用いた光情報記録方法
JPH0462519U (enrdf_load_html_response) * 1990-09-30 1992-05-28
JPH04176059A (ja) * 1990-11-07 1992-06-23 Matsushita Graphic Commun Syst Inc 記憶媒体
US5321673A (en) * 1991-04-12 1994-06-14 Matsushita Electric Industrial Co., Ltd. Partial ROM type optical disk and its recording and reproducing apparatus
EP0741383A3 (en) * 1988-07-30 1996-11-20 Taiyo Yuden Co., Ltd. Optical information recording medium
EP0841658A3 (en) * 1996-11-12 1998-10-28 Victor Company Of Japan, Ltd. Optical disc, optical disc recording reproducing apparatus and production method of the optical disc
US5914928A (en) * 1996-03-25 1999-06-22 Kabushiki Kaisha Toshiba Information recording disk having replacement area

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02132657A (ja) * 1988-07-30 1990-05-22 Taiyo Yuden Co Ltd 光情報記録媒体とそれを用いた光情報記録方法
EP0741383A3 (en) * 1988-07-30 1996-11-20 Taiyo Yuden Co., Ltd. Optical information recording medium
JPH02289937A (ja) * 1989-02-08 1990-11-29 Fujitsu Ltd 光ディスク及び光ディスク装置
JPH0354744A (ja) * 1989-07-24 1991-03-08 Taiyo Yuden Co Ltd 光情報記録媒体及びそれを用いた光情報記録方法
JPH0462519U (enrdf_load_html_response) * 1990-09-30 1992-05-28
JPH04176059A (ja) * 1990-11-07 1992-06-23 Matsushita Graphic Commun Syst Inc 記憶媒体
US5321673A (en) * 1991-04-12 1994-06-14 Matsushita Electric Industrial Co., Ltd. Partial ROM type optical disk and its recording and reproducing apparatus
US5914928A (en) * 1996-03-25 1999-06-22 Kabushiki Kaisha Toshiba Information recording disk having replacement area
EP0841658A3 (en) * 1996-11-12 1998-10-28 Victor Company Of Japan, Ltd. Optical disc, optical disc recording reproducing apparatus and production method of the optical disc

Also Published As

Publication number Publication date
JPH0559494B2 (enrdf_load_html_response) 1993-08-31

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