CH388262A - Magnetische Kartei - Google Patents

Magnetische Kartei

Info

Publication number
CH388262A
CH388262A CH755360A CH755360A CH388262A CH 388262 A CH388262 A CH 388262A CH 755360 A CH755360 A CH 755360A CH 755360 A CH755360 A CH 755360A CH 388262 A CH388262 A CH 388262A
Authority
CH
Switzerland
Prior art keywords
magnetic card
card index
index
magnetic
card
Prior art date
Application number
CH755360A
Other languages
English (en)
Inventor
Steingroever Erich Ing Dr
Original Assignee
Steingroever Erich Ing Dr
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 Steingroever Erich Ing Dr filed Critical Steingroever Erich Ing Dr
Publication of CH388262A publication Critical patent/CH388262A/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
CH755360A 1959-08-25 1960-07-02 Magnetische Kartei CH388262A (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH388262A true CH388262A (de) 1965-02-28

Family

ID=7456749

Family Applications (1)

Application Number Title Priority Date Filing Date
CH755360A CH388262A (de) 1959-08-25 1960-07-02 Magnetische Kartei

Country Status (2)

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

Also Published As

Publication number Publication date
BE594344A (fr) 1960-12-16

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