FR478808A - Machine à vérifier les cartes ou fiches perforées - Google Patents

Machine à vérifier les cartes ou fiches perforées

Info

Publication number
FR478808A
FR478808A FR478808A FR478808DA FR478808A FR 478808 A FR478808 A FR 478808A FR 478808 A FR478808 A FR 478808A FR 478808D A FR478808D A FR 478808DA FR 478808 A FR478808 A FR 478808A
Authority
FR
France
Prior art keywords
card
checking machine
punched
punched card
machine
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
FR478808A
Other languages
English (en)
French (fr)
Inventor
John Isaac Waterbury
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR478808A publication Critical patent/FR478808A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K5/00—Methods or arrangements for verifying the correctness of markings on a record carrier; Column detection devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
FR478808A 1915-05-26 1915-05-26 Machine à vérifier les cartes ou fiches perforées Expired FR478808A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191507800T 1915-05-26

Publications (1)

Publication Number Publication Date
FR478808A true FR478808A (fr) 1916-01-12

Family

ID=34361417

Family Applications (1)

Application Number Title Priority Date Filing Date
FR478808A Expired FR478808A (fr) 1915-05-26 1915-05-26 Machine à vérifier les cartes ou fiches perforées

Country Status (3)

Country Link
DE (1) DE295553C (enrdf_load_stackoverflow)
FR (1) FR478808A (enrdf_load_stackoverflow)
GB (1) GB191507800A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB191507800A (en) 1915-11-18
DE295553C (enrdf_load_stackoverflow)

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