JPS54126515A - Magnetic disc apparatus - Google Patents

Magnetic disc apparatus

Info

Publication number
JPS54126515A
JPS54126515A JP3382878A JP3382878A JPS54126515A JP S54126515 A JPS54126515 A JP S54126515A JP 3382878 A JP3382878 A JP 3382878A JP 3382878 A JP3382878 A JP 3382878A JP S54126515 A JPS54126515 A JP S54126515A
Authority
JP
Japan
Prior art keywords
speed
target
automatically
control mode
switch
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
JP3382878A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6117061B2 (enrdf_load_stackoverflow
Inventor
Kazuyoshi Nakabayashi
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.)
NIPPON SHIYUUHENKI KK
Fujitsu Ltd
Hitachi Ltd
Original Assignee
NIPPON SHIYUUHENKI KK
Fujitsu Ltd
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 NIPPON SHIYUUHENKI KK, Fujitsu Ltd, Hitachi Ltd filed Critical NIPPON SHIYUUHENKI KK
Priority to JP3382878A priority Critical patent/JPS54126515A/ja
Publication of JPS54126515A publication Critical patent/JPS54126515A/ja
Publication of JPS6117061B2 publication Critical patent/JPS6117061B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Control Of Position Or Direction (AREA)
JP3382878A 1978-03-24 1978-03-24 Magnetic disc apparatus Granted JPS54126515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3382878A JPS54126515A (en) 1978-03-24 1978-03-24 Magnetic disc apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3382878A JPS54126515A (en) 1978-03-24 1978-03-24 Magnetic disc apparatus

Publications (2)

Publication Number Publication Date
JPS54126515A true JPS54126515A (en) 1979-10-01
JPS6117061B2 JPS6117061B2 (enrdf_load_stackoverflow) 1986-05-06

Family

ID=12397339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3382878A Granted JPS54126515A (en) 1978-03-24 1978-03-24 Magnetic disc apparatus

Country Status (1)

Country Link
JP (1) JPS54126515A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS576901A (en) * 1980-05-08 1982-01-13 Storage Technology Corp Automatic constant band width gain controller
JPS60106082A (ja) * 1983-11-14 1985-06-11 Nec Corp 磁気デイスク装置
JPH02183313A (ja) * 1989-01-10 1990-07-17 Fujitsu Ltd サーボ回路
JPH02183312A (ja) * 1989-01-10 1990-07-17 Fujitsu Ltd サーボ位置決め回路

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS576901A (en) * 1980-05-08 1982-01-13 Storage Technology Corp Automatic constant band width gain controller
JPS60106082A (ja) * 1983-11-14 1985-06-11 Nec Corp 磁気デイスク装置
JPH02183313A (ja) * 1989-01-10 1990-07-17 Fujitsu Ltd サーボ回路
JPH02183312A (ja) * 1989-01-10 1990-07-17 Fujitsu Ltd サーボ位置決め回路

Also Published As

Publication number Publication date
JPS6117061B2 (enrdf_load_stackoverflow) 1986-05-06

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