JPS51137405A - Write current control system for magnetic disc device - Google Patents

Write current control system for magnetic disc device

Info

Publication number
JPS51137405A
JPS51137405A JP6207075A JP6207075A JPS51137405A JP S51137405 A JPS51137405 A JP S51137405A JP 6207075 A JP6207075 A JP 6207075A JP 6207075 A JP6207075 A JP 6207075A JP S51137405 A JPS51137405 A JP S51137405A
Authority
JP
Japan
Prior art keywords
write current
control system
current control
magnetic disc
disc device
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
JP6207075A
Other languages
Japanese (ja)
Inventor
Yuji Inoue
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 JP6207075A priority Critical patent/JPS51137405A/en
Publication of JPS51137405A publication Critical patent/JPS51137405A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To control write current in correspondence to the absolute position of the head only in a disc pack device by detecting analog information indicating the absolute position of the head recorded in servo position information.
COPYRIGHT: (C)1976,JPO&Japio
JP6207075A 1975-05-23 1975-05-23 Write current control system for magnetic disc device Pending JPS51137405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6207075A JPS51137405A (en) 1975-05-23 1975-05-23 Write current control system for magnetic disc device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6207075A JPS51137405A (en) 1975-05-23 1975-05-23 Write current control system for magnetic disc device

Publications (1)

Publication Number Publication Date
JPS51137405A true JPS51137405A (en) 1976-11-27

Family

ID=13189450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6207075A Pending JPS51137405A (en) 1975-05-23 1975-05-23 Write current control system for magnetic disc device

Country Status (1)

Country Link
JP (1) JPS51137405A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113302A (en) * 1983-11-24 1985-06-19 Rohm Co Ltd Floppy disk device
JPS6325803A (en) * 1986-07-17 1988-02-03 Rohm Co Ltd Magnetic recording circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113302A (en) * 1983-11-24 1985-06-19 Rohm Co Ltd Floppy disk device
JPS6325803A (en) * 1986-07-17 1988-02-03 Rohm Co Ltd Magnetic recording circuit

Similar Documents

Publication Publication Date Title
JPS5280007A (en) Video disc
JPS51137405A (en) Write current control system for magnetic disc device
JPS5211011A (en) Control signal erasing unit
JPS5284708A (en) Magnetic disc apparatus
JPS5373119A (en) Positioning system for magnetic disk apparatus
JPS51127709A (en) Magnetic-field orientation method of magnetic disc
JPS5226815A (en) Magnetic head
JPS527619A (en) Magnetic tape record playback system
JPS53100214A (en) Magnetic recording system
JPS522703A (en) Magnetic recording and reproducing device
JPS522708A (en) Magnetic recording and reproducing device
JPS549376A (en) Servo control system
JPS51120389A (en) Position defining device
JPS52106708A (en) Speed control system for head positioning
JPS5245316A (en) Reading system for magnetic tape device
JPS5240108A (en) Controlling method for recording medium
JPS5275306A (en) Signal recording position retrieval apparatus
JPS5279916A (en) Information recording system
JPS5279914A (en) Track positioning device
JPS522706A (en) Magnetic recording and reproducing device
JPS51120390A (en) Position defining device
JPS52146204A (en) Magnetic tape recording position detector
JPS5378818A (en) Magnetic disc system
JPS5238207A (en) Magnetic tape control system
JPS525507A (en) Method of recording data