FR944101A - Perfectionnements apportés aux machines pour vérifier des cartes documentaires perforées - Google Patents

Perfectionnements apportés aux machines pour vérifier des cartes documentaires perforées

Info

Publication number
FR944101A
FR944101A FR944101DA FR944101A FR 944101 A FR944101 A FR 944101A FR 944101D A FR944101D A FR 944101DA FR 944101 A FR944101 A FR 944101A
Authority
FR
France
Prior art keywords
machines
document cards
checking
punched document
checking punched
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)
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.)
POWERS ACCOUNTING MACHINES Ltd
Original Assignee
POWERS ACCOUNTING MACHINES Ltd
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 POWERS ACCOUNTING MACHINES Ltd filed Critical POWERS ACCOUNTING MACHINES Ltd
Application granted granted Critical
Publication of FR944101A publication Critical patent/FR944101A/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)
  • Input From Keyboards Or The Like (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
FR944101D 1946-04-01 1947-03-27 Perfectionnements apportés aux machines pour vérifier des cartes documentaires perforées Expired FR944101A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10096/46A GB610224A (en) 1946-04-01 1946-04-01 Improvements in or relating to machines for verifying perforated record cards

Publications (1)

Publication Number Publication Date
FR944101A true FR944101A (fr) 1949-03-28

Family

ID=9961402

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944101D Expired FR944101A (fr) 1946-04-01 1947-03-27 Perfectionnements apportés aux machines pour vérifier des cartes documentaires perforées

Country Status (3)

Country Link
US (1) US2516033A (fr)
FR (1) FR944101A (fr)
GB (1) GB610224A (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2031569A (en) * 1930-09-15 1936-02-18 Maul Michael Verifying machine for perforated records
GB430251A (en) * 1933-12-15 1935-06-17 Arthur Thomas Improvements in or relating to machines for verifying perforated record cards
US2282072A (en) * 1939-05-06 1942-05-05 Firm Deutsche Hollerith Maschi Machine for operating upon record cards

Also Published As

Publication number Publication date
US2516033A (en) 1950-07-18
GB610224A (en) 1948-10-13

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