FR617136A - Improvements to card-punching devices - Google Patents

Improvements to card-punching devices

Info

Publication number
FR617136A
FR617136A FR617136DA FR617136A FR 617136 A FR617136 A FR 617136A FR 617136D A FR617136D A FR 617136DA FR 617136 A FR617136 A FR 617136A
Authority
FR
France
Prior art keywords
card
punching devices
punching
devices
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.)
Tabulating Machine Co
Original Assignee
Tabulating Machine Co
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 Tabulating Machine Co filed Critical Tabulating Machine Co
Application granted granted Critical
Publication of FR617136A publication Critical patent/FR617136A/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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
FR617136D 1925-07-01 1926-06-07 Improvements to card-punching devices Expired FR617136A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40714A US1845001A (en) 1925-07-01 1925-07-01 Punch action

Publications (1)

Publication Number Publication Date
FR617136A true FR617136A (en) 1927-02-14

Family

ID=21912518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR617136D Expired FR617136A (en) 1925-07-01 1926-06-07 Improvements to card-punching devices

Country Status (3)

Country Link
US (1) US1845001A (en)
FR (1) FR617136A (en)
GB (1) GB254721A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394882A (en) * 1966-10-31 1968-07-30 Ncr Co Card punch mechanism

Also Published As

Publication number Publication date
GB254721A (en) 1927-09-30
US1845001A (en) 1932-02-16

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