FR1047378A - Perfectionnements aux machines à cartes perforées et similaires - Google Patents

Perfectionnements aux machines à cartes perforées et similaires

Info

Publication number
FR1047378A
FR1047378A FR1047378DA FR1047378A FR 1047378 A FR1047378 A FR 1047378A FR 1047378D A FR1047378D A FR 1047378DA FR 1047378 A FR1047378 A FR 1047378A
Authority
FR
France
Prior art keywords
punch card
card machines
machines
punch
card
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
English (en)
Inventor
Robert-Henri-Frederi Mathely
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.)
Societe dElectronique et dAutomatisme SA
Original Assignee
Societe dElectronique et dAutomatisme SA
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 Societe dElectronique et dAutomatisme SA filed Critical Societe dElectronique et dAutomatisme SA
Application granted granted Critical
Publication of FR1047378A publication Critical patent/FR1047378A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/08—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers from or to individual record carriers, e.g. punched card, memory card, integrated circuit [IC] card or smart card
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/01—Details
    • G06K7/016—Synchronisation of sensing process
    • G06K7/0163—Synchronisation of sensing process by means of additional timing marks on the record-carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
FR1047378D 1951-12-29 1951-12-29 Perfectionnements aux machines à cartes perforées et similaires Expired FR1047378A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1047378T 1951-12-29

Publications (1)

Publication Number Publication Date
FR1047378A true FR1047378A (fr) 1953-12-14

Family

ID=9592828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1047378D Expired FR1047378A (fr) 1951-12-29 1951-12-29 Perfectionnements aux machines à cartes perforées et similaires

Country Status (1)

Country Link
FR (1) FR1047378A (fr)

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