JPS5379333A - Memory unit - Google Patents

Memory unit

Info

Publication number
JPS5379333A
JPS5379333A JP15484876A JP15484876A JPS5379333A JP S5379333 A JPS5379333 A JP S5379333A JP 15484876 A JP15484876 A JP 15484876A JP 15484876 A JP15484876 A JP 15484876A JP S5379333 A JPS5379333 A JP S5379333A
Authority
JP
Japan
Prior art keywords
information
memory unit
disc
recording
groove
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
JP15484876A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6217288B2 (enrdf_load_stackoverflow
Inventor
Takeshi Maeda
Kazuo Shigematsu
Zenji Tsutsumi
Seiji Yonezawa
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 JP15484876A priority Critical patent/JPS5379333A/ja
Publication of JPS5379333A publication Critical patent/JPS5379333A/ja
Publication of JPS6217288B2 publication Critical patent/JPS6217288B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP15484876A 1976-12-24 1976-12-24 Memory unit Granted JPS5379333A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15484876A JPS5379333A (en) 1976-12-24 1976-12-24 Memory unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15484876A JPS5379333A (en) 1976-12-24 1976-12-24 Memory unit

Publications (2)

Publication Number Publication Date
JPS5379333A true JPS5379333A (en) 1978-07-13
JPS6217288B2 JPS6217288B2 (enrdf_load_stackoverflow) 1987-04-16

Family

ID=15593211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15484876A Granted JPS5379333A (en) 1976-12-24 1976-12-24 Memory unit

Country Status (1)

Country Link
JP (1) JPS5379333A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS647860A (en) * 1987-06-30 1989-01-11 Takara Co Ltd Drawn video synthesizer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101001A (enrdf_load_stackoverflow) * 1973-01-19 1974-09-25
JPS49113601A (enrdf_load_stackoverflow) * 1973-02-09 1974-10-30
JPS5190807A (enrdf_load_stackoverflow) * 1975-01-31 1976-08-09

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101001A (enrdf_load_stackoverflow) * 1973-01-19 1974-09-25
JPS49113601A (enrdf_load_stackoverflow) * 1973-02-09 1974-10-30
JPS5190807A (enrdf_load_stackoverflow) * 1975-01-31 1976-08-09

Also Published As

Publication number Publication date
JPS6217288B2 (enrdf_load_stackoverflow) 1987-04-16

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