JPS5430746A - High-speed access control system to rotary memory unit - Google Patents

High-speed access control system to rotary memory unit

Info

Publication number
JPS5430746A
JPS5430746A JP9662277A JP9662277A JPS5430746A JP S5430746 A JPS5430746 A JP S5430746A JP 9662277 A JP9662277 A JP 9662277A JP 9662277 A JP9662277 A JP 9662277A JP S5430746 A JPS5430746 A JP S5430746A
Authority
JP
Japan
Prior art keywords
memory unit
control system
access control
speed access
rotary memory
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.)
Pending
Application number
JP9662277A
Other languages
Japanese (ja)
Inventor
Toshiro Nakazuru
Kenji Tomizawa
Nobuyoshi Yanagisawa
Mutsuhiro Tsutsui
Kazuo Shibata
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP9662277A priority Critical patent/JPS5430746A/en
Publication of JPS5430746A publication Critical patent/JPS5430746A/en
Pending legal-status Critical Current

Links

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE: To make high-speed reading or writing possible with a trifle alterations of an original lift and read constitution of the rotary memory unit such as a magnetic disc pack device.
COPYRIGHT: (C)1979,JPO&Japio
JP9662277A 1977-08-12 1977-08-12 High-speed access control system to rotary memory unit Pending JPS5430746A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9662277A JPS5430746A (en) 1977-08-12 1977-08-12 High-speed access control system to rotary memory unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9662277A JPS5430746A (en) 1977-08-12 1977-08-12 High-speed access control system to rotary memory unit

Publications (1)

Publication Number Publication Date
JPS5430746A true JPS5430746A (en) 1979-03-07

Family

ID=14169931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9662277A Pending JPS5430746A (en) 1977-08-12 1977-08-12 High-speed access control system to rotary memory unit

Country Status (1)

Country Link
JP (1) JPS5430746A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH037087A (en) * 1989-06-01 1991-01-14 Hitachi Ltd Rotary storage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4839127A (en) * 1971-09-22 1973-06-08
JPS499568U (en) * 1972-04-25 1974-01-26
JPS5167117A (en) * 1974-12-09 1976-06-10 Hitachi Ltd KAITENTAIKI OKUSOCHINO JOHOTENSOSOCHI

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4839127A (en) * 1971-09-22 1973-06-08
JPS499568U (en) * 1972-04-25 1974-01-26
JPS5167117A (en) * 1974-12-09 1976-06-10 Hitachi Ltd KAITENTAIKI OKUSOCHINO JOHOTENSOSOCHI

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH037087A (en) * 1989-06-01 1991-01-14 Hitachi Ltd Rotary storage

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