DE7715593U1 - Bandloeschspule - Google Patents

Bandloeschspule

Info

Publication number
DE7715593U1
DE7715593U1 DE19777715593U DE7715593U DE7715593U1 DE 7715593 U1 DE7715593 U1 DE 7715593U1 DE 19777715593 U DE19777715593 U DE 19777715593U DE 7715593 U DE7715593 U DE 7715593U DE 7715593 U1 DE7715593 U1 DE 7715593U1
Authority
DE
Germany
Prior art keywords
leg
angle
dabringhaus
meinke
dortmund
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.)
Expired
Application number
DE19777715593U
Other languages
German (de)
English (en)
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.)
AMOS OF EXETER Ltd EXWICK EXETER GB
Original Assignee
AMOS OF EXETER Ltd EXWICK EXETER GB
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 AMOS OF EXETER Ltd EXWICK EXETER GB filed Critical AMOS OF EXETER Ltd EXWICK EXETER GB
Publication of DE7715593U1 publication Critical patent/DE7715593U1/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/024Erasing
    • G11B5/0245Bulk erasing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00Apparatus or processes for magnetising or demagnetising
    • H01F13/006Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Heads (AREA)
  • Electromagnets (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • General Induction Heating (AREA)
  • Magnetic Treatment Devices (AREA)
DE19777715593U 1976-05-28 1977-05-17 Bandloeschspule Expired DE7715593U1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22374/76A GB1522548A (en) 1976-05-28 1976-05-28 Bulk tape eraser

Publications (1)

Publication Number Publication Date
DE7715593U1 true DE7715593U1 (de) 1982-07-15

Family

ID=10178347

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19777715593U Expired DE7715593U1 (de) 1976-05-28 1977-05-17 Bandloeschspule
DE19772722167 Ceased DE2722167A1 (de) 1976-05-28 1977-05-17 Bandloeschspule

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19772722167 Ceased DE2722167A1 (de) 1976-05-28 1977-05-17 Bandloeschspule

Country Status (5)

Country Link
US (1) US4136373A (enExample)
AU (1) AU505185B2 (enExample)
DE (2) DE7715593U1 (enExample)
FR (1) FR2353108A1 (enExample)
GB (1) GB1522548A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462055A (en) * 1982-01-04 1984-07-24 Ldj Electronics, Inc. Bulk tape erasing system
DE3736024C1 (en) * 1987-10-24 1989-03-23 Agfa Gevaert Ag Demagnetising device
JP2793735B2 (ja) * 1992-02-18 1998-09-03 富士通株式会社 磁気ディスク媒体の欠陥検出方法
US5721665A (en) * 1995-08-18 1998-02-24 Data Security, Inc. Modulated magnet field bulk degaussing system
US6731491B2 (en) 2001-06-15 2004-05-04 Data Security, Inc. Bulk degausser with fixed arrays of magnet poles
US7164569B1 (en) 2004-06-30 2007-01-16 Data Security, Inc. Mechanism for automated permanent magnet degaussing
US20060018075A1 (en) * 2004-07-23 2006-01-26 Data Security, Inc. Permanent magnet bulk degausser
DE102005032940B3 (de) * 2005-07-14 2006-10-12 Aktenmühle GmbH Entmagnetisierungsvorrichtung
US7701656B2 (en) * 2006-07-14 2010-04-20 Data Security, Inc. Method and apparatus for permanent magnet erasure of magnetic storage media
US7715166B2 (en) * 2006-07-14 2010-05-11 Data Security, Inc. Method and reciprocating apparatus for permanent magnet erasure of magnetic storage media
US20090284890A1 (en) * 2008-05-16 2009-11-19 Thiel Leroy D Mechanism and Method for Permanent Magnet Degaussing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2702835A (en) * 1945-08-25 1955-02-22 Armour Res Found Erase head for magnetic recorder
GB1020522A (en) * 1963-10-15 1966-02-16 Amos Of Exeter Ltd Bulk-tape eraser
US3660727A (en) * 1968-10-16 1972-05-02 Sony Corp Bulk eraser with permanent magnet flux produced obliquely to cassette movement

Also Published As

Publication number Publication date
AU505185B2 (en) 1979-11-08
DE2722167A1 (de) 1977-12-08
US4136373A (en) 1979-01-23
FR2353108A1 (fr) 1977-12-23
GB1522548A (en) 1978-08-23
AU2549777A (en) 1978-11-30
FR2353108B3 (enExample) 1981-03-20

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