HK6081A - A degaussing device for magnetic recording heads - Google Patents

A degaussing device for magnetic recording heads

Info

Publication number
HK6081A
HK6081A HK6081A HK6081A HK6081A HK 6081 A HK6081 A HK 6081A HK 6081 A HK6081 A HK 6081A HK 6081 A HK6081 A HK 6081A HK 6081 A HK6081 A HK 6081A
Authority
HK
Hong Kong
Prior art keywords
magnetic recording
recording heads
degaussing device
degaussing
heads
Prior art date
Application number
HK6081A
Original Assignee
Tdk Electronics 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
Priority claimed from JP52024400A external-priority patent/JPS6053550B2/en
Priority claimed from JP1977126101U external-priority patent/JPS5740408Y2/ja
Application filed by Tdk Electronics Co Ltd filed Critical Tdk Electronics Co Ltd
Publication of HK6081A publication Critical patent/HK6081A/en

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
    • G11B5/465—Arrangements for demagnetisation of heads
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/338—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
    • H02M3/3382—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement in a push-pull circuit arrangement

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Dc-Dc Converters (AREA)
  • Magnetic Heads (AREA)
HK6081A 1977-03-08 1981-02-26 A degaussing device for magnetic recording heads HK6081A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP52024400A JPS6053550B2 (en) 1977-03-08 1977-03-08 capacitor charging circuit
JP1977126101U JPS5740408Y2 (en) 1977-09-21 1977-09-21

Publications (1)

Publication Number Publication Date
HK6081A true HK6081A (en) 1981-03-06

Family

ID=26361905

Family Applications (1)

Application Number Title Priority Date Filing Date
HK6081A HK6081A (en) 1977-03-08 1981-02-26 A degaussing device for magnetic recording heads

Country Status (5)

Country Link
DE (1) DE2808835B2 (en)
GB (1) GB1565036A (en)
HK (1) HK6081A (en)
MY (1) MY8300003A (en)
NL (1) NL182590C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS615622Y2 (en) * 1978-09-08 1986-02-20
DE3005927A1 (en) * 1980-02-16 1981-09-03 Erich Dr.-Ing. 5300 Bonn Steingroever DEMAGNETIZING PROCEDURE
US5837991A (en) * 1996-03-08 1998-11-17 Card Technology Corporation Card transport mechanism and method of operation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135219A (en) 1976-07-22 1979-01-16 Tdk Electronics Co., Ltd. Demagnetizer for a magnetic head of a recording-reproducing device

Also Published As

Publication number Publication date
NL182590B (en) 1987-11-02
DE2808835A1 (en) 1978-09-14
NL7802559A (en) 1978-09-12
NL182590C (en) 1988-04-05
DE2808835B2 (en) 1979-08-02
GB1565036A (en) 1980-04-16
MY8300003A (en) 1983-12-31

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Legal Events

Date Code Title Description
PE Patent expired