CH214652A - Löschkopf in Stahltonmaschinen. - Google Patents

Löschkopf in Stahltonmaschinen.

Info

Publication number
CH214652A
CH214652A CH214652DA CH214652A CH 214652 A CH214652 A CH 214652A CH 214652D A CH214652D A CH 214652DA CH 214652 A CH214652 A CH 214652A
Authority
CH
Switzerland
Prior art keywords
erase head
steel sound
sound machines
machines
steel
Prior art date
Application number
Other languages
English (en)
Inventor
Aktiengesellschaft C Lorenz
Original Assignee
Lorenz C Ag
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 Lorenz C Ag filed Critical Lorenz C Ag
Publication of CH214652A publication Critical patent/CH214652A/de

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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/028—Magnetic recording digest

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
CH214652D 1938-08-11 1939-08-07 Löschkopf in Stahltonmaschinen. CH214652A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE214652X 1938-08-11

Publications (1)

Publication Number Publication Date
CH214652A true CH214652A (de) 1941-05-15

Family

ID=5819856

Family Applications (1)

Application Number Title Priority Date Filing Date
CH214652D CH214652A (de) 1938-08-11 1939-08-07 Löschkopf in Stahltonmaschinen.

Country Status (3)

Country Link
US (1) US2276200A (de)
CH (1) CH214652A (de)
FR (1) FR858677A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526358A (en) * 1946-10-18 1950-10-17 Indiana Steel Products Co Demagnetizing device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2574747B2 (ja) * 1985-11-20 1997-01-22 株式会社日立製作所 光磁気記録装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526358A (en) * 1946-10-18 1950-10-17 Indiana Steel Products Co Demagnetizing device

Also Published As

Publication number Publication date
US2276200A (en) 1942-03-10
FR858677A (fr) 1940-11-30

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