FR1197440A - Device for erasing magnetic recordings - Google Patents

Device for erasing magnetic recordings

Info

Publication number
FR1197440A
FR1197440A FR1197440DA FR1197440A FR 1197440 A FR1197440 A FR 1197440A FR 1197440D A FR1197440D A FR 1197440DA FR 1197440 A FR1197440 A FR 1197440A
Authority
FR
France
Prior art keywords
erasing magnetic
magnetic recordings
recordings
erasing
magnetic
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
Other languages
French (fr)
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.)
Pye Electronic Products Ltd
Original Assignee
Pye 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 Pye Ltd filed Critical Pye Ltd
Application granted granted Critical
Publication of FR1197440A publication Critical patent/FR1197440A/en
Expired 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
    • G11B5/024—Erasing
    • G11B5/0245—Bulk erasing
    • 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
FR1197440D 1957-07-01 1958-06-25 Device for erasing magnetic recordings Expired FR1197440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1197440X 1957-07-01

Publications (1)

Publication Number Publication Date
FR1197440A true FR1197440A (en) 1959-12-01

Family

ID=10881630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1197440D Expired FR1197440A (en) 1957-07-01 1958-06-25 Device for erasing magnetic recordings

Country Status (1)

Country Link
FR (1) FR1197440A (en)

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