JPS5376813A - Positioning system for head - Google Patents

Positioning system for head

Info

Publication number
JPS5376813A
JPS5376813A JP15202376A JP15202376A JPS5376813A JP S5376813 A JPS5376813 A JP S5376813A JP 15202376 A JP15202376 A JP 15202376A JP 15202376 A JP15202376 A JP 15202376A JP S5376813 A JPS5376813 A JP S5376813A
Authority
JP
Japan
Prior art keywords
head
positioning system
positional information
recording
continuous
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
JP15202376A
Other languages
Japanese (ja)
Inventor
Takao Suzuki
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP15202376A priority Critical patent/JPS5376813A/en
Publication of JPS5376813A publication Critical patent/JPS5376813A/en
Pending legal-status Critical Current

Links

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)

Abstract

PURPOSE: To make possible the large capacity recording and highly accurate positioning, by synthesizing continuous positional information from the positional informations scatteringly arranged in every recording plane of the magnetic disk, so as to actuate the positioning according to this continuous positional information.
COPYRIGHT: (C)1978,JPO&Japio
JP15202376A 1976-12-20 1976-12-20 Positioning system for head Pending JPS5376813A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15202376A JPS5376813A (en) 1976-12-20 1976-12-20 Positioning system for head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15202376A JPS5376813A (en) 1976-12-20 1976-12-20 Positioning system for head

Publications (1)

Publication Number Publication Date
JPS5376813A true JPS5376813A (en) 1978-07-07

Family

ID=15531359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15202376A Pending JPS5376813A (en) 1976-12-20 1976-12-20 Positioning system for head

Country Status (1)

Country Link
JP (1) JPS5376813A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55150161A (en) * 1979-05-04 1980-11-21 Nippon Telegr & Teleph Corp <Ntt> Magnetic disk unit
JPS60193176A (en) * 1984-03-13 1985-10-01 Toshiba Corp Head positioning system
JPS6224485A (en) * 1985-07-24 1987-02-02 Fujitsu Ltd Position signal demodulating system
US4807063A (en) * 1986-05-27 1989-02-21 Fuji Electric Company Ltd. Head position control system with multiple servo areas staggered on various disks
US4833551A (en) * 1987-02-24 1989-05-23 Konishiroku Photo Industries Co., Ltd. Dual head servo system and method for a magnetic disk
US4896228A (en) * 1986-06-06 1990-01-23 Matsushita Electric Industrial Co., Ltd. Magnetic disc apparatus having improved head position control
US5132854A (en) * 1988-09-19 1992-07-21 Hitachi, Ltd. High speed seek sector servo magnetic disk drive unit
WO2004075195A1 (en) * 2003-02-20 2004-09-02 Fujitsu Limited Information recorder and its data writing controller
US7245448B2 (en) * 2003-02-20 2007-07-17 Fujitsu Limited Information recording apparatus and data writing control device therefor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55150161A (en) * 1979-05-04 1980-11-21 Nippon Telegr & Teleph Corp <Ntt> Magnetic disk unit
JPS60193176A (en) * 1984-03-13 1985-10-01 Toshiba Corp Head positioning system
JPS6224485A (en) * 1985-07-24 1987-02-02 Fujitsu Ltd Position signal demodulating system
US4807063A (en) * 1986-05-27 1989-02-21 Fuji Electric Company Ltd. Head position control system with multiple servo areas staggered on various disks
US4896228A (en) * 1986-06-06 1990-01-23 Matsushita Electric Industrial Co., Ltd. Magnetic disc apparatus having improved head position control
US4833551A (en) * 1987-02-24 1989-05-23 Konishiroku Photo Industries Co., Ltd. Dual head servo system and method for a magnetic disk
US5132854A (en) * 1988-09-19 1992-07-21 Hitachi, Ltd. High speed seek sector servo magnetic disk drive unit
WO2004075195A1 (en) * 2003-02-20 2004-09-02 Fujitsu Limited Information recorder and its data writing controller
US7245448B2 (en) * 2003-02-20 2007-07-17 Fujitsu Limited Information recording apparatus and data writing control device therefor

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