FR722091A - Perfectionnements aux machines à perforer les cartes - Google Patents

Perfectionnements aux machines à perforer les cartes

Info

Publication number
FR722091A
FR722091A FR722091DA FR722091A FR 722091 A FR722091 A FR 722091A FR 722091D A FR722091D A FR 722091DA FR 722091 A FR722091 A FR 722091A
Authority
FR
France
Prior art keywords
card punching
punching machines
machines
card
punching
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.)
Accounting & Tabulating Mach
Original Assignee
Accounting & Tabulating Mach
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 Mach filed Critical Accounting & Tabulating Mach
Application granted granted Critical
Publication of FR722091A publication Critical patent/FR722091A/fr
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)
FR722091D 1931-05-16 1931-08-07 Perfectionnements aux machines à perforer les cartes Expired FR722091A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US537831A US2044707A (en) 1931-05-16 1931-05-16 Card punching machine
DEA62657D DE682781C (de) 1931-05-16 1931-07-12 Kartenlochmaschine
FR722091T 1931-08-07
NL58210A NL40814C (fr) 1931-05-16 1931-08-24

Publications (1)

Publication Number Publication Date
FR722091A true FR722091A (fr) 1932-03-18

Family

ID=25964534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722091D Expired FR722091A (fr) 1931-05-16 1931-08-07 Perfectionnements aux machines à perforer les cartes

Country Status (4)

Country Link
US (1) US2044707A (fr)
DE (1) DE682781C (fr)
FR (1) FR722091A (fr)
NL (1) NL40814C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2677543A (en) * 1950-06-08 1954-05-04 Container Corp Sheet feeding mechanism
US2684718A (en) * 1950-06-15 1954-07-27 Ibm Card punching machine
BE569596A (fr) * 1957-07-22
US3204845A (en) * 1963-06-03 1965-09-07 Burroughs Corp Tape apparatus
US3263914A (en) * 1964-01-03 1966-08-02 Electronic Assistance Corp Punching device
DE10328776B3 (de) * 2003-06-25 2005-01-27 Groz-Beckert Kg Stanzvorrichtung für flächige Gegenstände

Also Published As

Publication number Publication date
NL40814C (fr) 1937-06-15
DE682781C (de) 1939-10-23
US2044707A (en) 1936-06-16

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