BE594344A - Magnetic file. - Google Patents

Magnetic file.

Info

Publication number
BE594344A
BE594344A BE594344A BE594344A BE594344A BE 594344 A BE594344 A BE 594344A BE 594344 A BE594344 A BE 594344A BE 594344 A BE594344 A BE 594344A BE 594344 A BE594344 A BE 594344A
Authority
BE
Belgium
Prior art keywords
magnetic file
file
magnetic
Prior art date
Application number
BE594344A
Other languages
French (fr)
Inventor
Erich Steingroever
Original Assignee
Erich Steingroever
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 Erich Steingroever filed Critical Erich Steingroever
Publication of BE594344A publication Critical patent/BE594344A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
    • G06K21/02—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed mechanically, e.g. by needle

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
BE594344A 1959-08-25 1960-08-23 Magnetic file. BE594344A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST015584 1959-08-25

Publications (1)

Publication Number Publication Date
BE594344A true BE594344A (en) 1960-12-16

Family

ID=7456749

Family Applications (1)

Application Number Title Priority Date Filing Date
BE594344A BE594344A (en) 1959-08-25 1960-08-23 Magnetic file.

Country Status (2)

Country Link
BE (1) BE594344A (en)
CH (1) CH388262A (en)

Also Published As

Publication number Publication date
CH388262A (en) 1965-02-28

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