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FR711575A - Improvements to machines used to punch statistics cards - Google Patents

Improvements to machines used to punch statistics cards

Info

Publication number
FR711575A
FR711575A FR711575DA FR711575A FR 711575 A FR711575 A FR 711575A FR 711575D A FR711575D A FR 711575DA FR 711575 A FR711575 A FR 711575A
Authority
FR
France
Prior art keywords
punch
statistics
cards
machines used
machines
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
French (fr)
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.)
Accounting & Tabulating Corp
Original Assignee
Accounting & Tabulating Corp
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 Accounting & Tabulating Corp filed Critical Accounting & Tabulating Corp
Application granted granted Critical
Publication of FR711575A publication Critical patent/FR711575A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/02—Methods or arrangements for marking the record carrier in digital fashion by punching

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
FR711575D 1930-02-28 1931-02-19 Improvements to machines used to punch statistics cards Expired FR711575A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6710/30A GB350518A (en) 1930-02-28 1930-02-28 Improvements in or relating to keyboard controlled machines

Publications (1)

Publication Number Publication Date
FR711575A true FR711575A (en) 1931-09-12

Family

ID=9819356

Family Applications (1)

Application Number Title Priority Date Filing Date
FR711575D Expired FR711575A (en) 1930-02-28 1931-02-19 Improvements to machines used to punch statistics cards

Country Status (3)

Country Link
US (1) US1870184A (en)
FR (1) FR711575A (en)
GB (1) GB350518A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB703315A (en) * 1952-03-25 1954-02-03 Powers Samas Account Mach Ltd Improvements in or relating to keyboard-operated mechanical machines for perforatingcards

Also Published As

Publication number Publication date
US1870184A (en) 1932-08-02
GB350518A (en) 1931-05-28

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