JPS55117719A - Magnetic recorder - Google Patents

Magnetic recorder

Info

Publication number
JPS55117719A
JPS55117719A JP2411479A JP2411479A JPS55117719A JP S55117719 A JPS55117719 A JP S55117719A JP 2411479 A JP2411479 A JP 2411479A JP 2411479 A JP2411479 A JP 2411479A JP S55117719 A JPS55117719 A JP S55117719A
Authority
JP
Japan
Prior art keywords
value
output
recording current
current
amplitude
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
JP2411479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS638523B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Maejima
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 JP2411479A priority Critical patent/JPS55117719A/ja
Publication of JPS55117719A publication Critical patent/JPS55117719A/ja
Publication of JPS638523B2 publication Critical patent/JPS638523B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Digital Magnetic Recording (AREA)
JP2411479A 1979-02-28 1979-02-28 Magnetic recorder Granted JPS55117719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2411479A JPS55117719A (en) 1979-02-28 1979-02-28 Magnetic recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2411479A JPS55117719A (en) 1979-02-28 1979-02-28 Magnetic recorder

Publications (2)

Publication Number Publication Date
JPS55117719A true JPS55117719A (en) 1980-09-10
JPS638523B2 JPS638523B2 (enrdf_load_stackoverflow) 1988-02-23

Family

ID=12129290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2411479A Granted JPS55117719A (en) 1979-02-28 1979-02-28 Magnetic recorder

Country Status (1)

Country Link
JP (1) JPS55117719A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01144203A (ja) * 1987-11-30 1989-06-06 Fuji Xerox Co Ltd フレキシブルディスク装置
US5325242A (en) * 1991-09-30 1994-06-28 Kabushiki Kaisha Toshiba Magnetic recording/reproducing apparatus for decreasing an error rate in recording/reproducing a digital signal
EP0617406A3 (en) * 1993-03-26 1995-01-11 Minnesota Mining & Mfg Method and apparatus for training equalization with amplitude compensation.
US7280298B2 (en) 2002-08-09 2007-10-09 Fujitsu Limited Thin film magnetic head fit to recordation of higher frequency

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01144203A (ja) * 1987-11-30 1989-06-06 Fuji Xerox Co Ltd フレキシブルディスク装置
US5325242A (en) * 1991-09-30 1994-06-28 Kabushiki Kaisha Toshiba Magnetic recording/reproducing apparatus for decreasing an error rate in recording/reproducing a digital signal
EP0617406A3 (en) * 1993-03-26 1995-01-11 Minnesota Mining & Mfg Method and apparatus for training equalization with amplitude compensation.
US7280298B2 (en) 2002-08-09 2007-10-09 Fujitsu Limited Thin film magnetic head fit to recordation of higher frequency

Also Published As

Publication number Publication date
JPS638523B2 (enrdf_load_stackoverflow) 1988-02-23

Similar Documents

Publication Publication Date Title
JPS5394117A (en) Noise elimination circuit for solid state pickup device
JPS53149076A (en) Digital frequency detecting circuit
JPS539418A (en) Recording and reproducing unit
JPS54118210A (en) Bias current setting device
JPS55117719A (en) Magnetic recorder
JPS5288010A (en) Recording level setting apparatus for fm signal
JPS51145256A (en) Signal detecting circuit
JPS54137365A (en) Memory device of analog quantity
JPS558631A (en) Error indicator
JPS54102822A (en) Azimuth-recording still-picture reproducer
JPS51131307A (en) Tape recorder recording method
JPS55113136A (en) Signal reproducing device
JPS5247752A (en) Device for reading the maximum and minimum values of peak values of an alog signals
JPS5374068A (en) Time control system
JPS5661013A (en) Modulation/demodulation circuit for digital signal
JPS5330857A (en) Signal change detector circuit
JPS51131691A (en) Voltammetry apparatus
JPS52140302A (en) Magnetic tape life decision system
JPS5315858A (en) Spectrum analyzer
JPS5349910A (en) Video signal process system using rotary recording medium
JPS54122119A (en) Drop-out detecting circuit
JPS5629879A (en) Recording and reproduction method
JPS55155284A (en) Electronic timepiece
JPS54115120A (en) recording type detector of magnetic tapes
JPS5256579A (en) Magnetic field measuring method