CH270700A - Process for punching cards, a combined machine for punching and counting for the implementation of the process and a punched card obtained by this process. - Google Patents

Process for punching cards, a combined machine for punching and counting for the implementation of the process and a punched card obtained by this process.

Info

Publication number
CH270700A
CH270700A CH270700DA CH270700A CH 270700 A CH270700 A CH 270700A CH 270700D A CH270700D A CH 270700DA CH 270700 A CH270700 A CH 270700A
Authority
CH
Switzerland
Prior art keywords
punching
counting
implementation
combined machine
cards
Prior art date
Application number
Other languages
French (fr)
Inventor
Joubin Louis-Daniel
Original Assignee
Joubin Louis Daniel
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 Joubin Louis Daniel filed Critical Joubin Louis Daniel
Publication of CH270700A publication Critical patent/CH270700A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
CH270700D 1946-04-01 1947-03-24 Process for punching cards, a combined machine for punching and counting for the implementation of the process and a punched card obtained by this process. CH270700A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR925901T 1946-04-01

Publications (1)

Publication Number Publication Date
CH270700A true CH270700A (en) 1950-09-15

Family

ID=9440264

Family Applications (1)

Application Number Title Priority Date Filing Date
CH270700D CH270700A (en) 1946-04-01 1947-03-24 Process for punching cards, a combined machine for punching and counting for the implementation of the process and a punched card obtained by this process.

Country Status (3)

Country Link
BE (1) BE472110A (en)
CH (1) CH270700A (en)
FR (1) FR925901A (en)

Also Published As

Publication number Publication date
FR925901A (en) 1947-09-17
BE472110A (en)

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