FR1140455A - Improvements in magnetic recording and reproduction devices - Google Patents

Improvements in magnetic recording and reproduction devices

Info

Publication number
FR1140455A
FR1140455A FR1140455DA FR1140455A FR 1140455 A FR1140455 A FR 1140455A FR 1140455D A FR1140455D A FR 1140455DA FR 1140455 A FR1140455 A FR 1140455A
Authority
FR
France
Prior art keywords
magnetic recording
reproduction devices
reproduction
devices
recording
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.)
PREC CINEMATOGRAPHIQUE
Original Assignee
PREC CINEMATOGRAPHIQUE
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 PREC CINEMATOGRAPHIQUE filed Critical PREC CINEMATOGRAPHIQUE
Application granted granted Critical
Publication of FR1140455A publication Critical patent/FR1140455A/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
    • G11B5/10—Structure or manufacture of housings or shields for heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR1140455D 1955-12-01 1955-12-01 Improvements in magnetic recording and reproduction devices Expired FR1140455A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1140455T 1955-12-01

Publications (1)

Publication Number Publication Date
FR1140455A true FR1140455A (en) 1957-07-23

Family

ID=9642136

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1140455D Expired FR1140455A (en) 1955-12-01 1955-12-01 Improvements in magnetic recording and reproduction devices

Country Status (1)

Country Link
FR (1) FR1140455A (en)

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