FR990590A - Perfectionnements aux mécanismes de perforation pour cartes - Google Patents

Perfectionnements aux mécanismes de perforation pour cartes

Info

Publication number
FR990590A
FR990590A FR990590DA FR990590A FR 990590 A FR990590 A FR 990590A FR 990590D A FR990590D A FR 990590DA FR 990590 A FR990590 A FR 990590A
Authority
FR
France
Prior art keywords
card punching
punching mechanisms
mechanisms
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.)
Unisys Corp
Original Assignee
Remington Rand Inc
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 Remington Rand Inc filed Critical Remington Rand Inc
Application granted granted Critical
Publication of FR990590A publication Critical patent/FR990590A/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
    • G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
    • G06K21/06—Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards

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)
FR990590D 1948-07-17 1949-07-13 Perfectionnements aux mécanismes de perforation pour cartes Expired FR990590A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39275A US2642940A (en) 1948-07-17 1948-07-17 Perforating and slotting punch

Publications (1)

Publication Number Publication Date
FR990590A true FR990590A (fr) 1951-09-24

Family

ID=21904598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990590D Expired FR990590A (fr) 1948-07-17 1949-07-13 Perfectionnements aux mécanismes de perforation pour cartes

Country Status (5)

Country Link
US (1) US2642940A (fr)
CH (1) CH291053A (fr)
FR (1) FR990590A (fr)
GB (1) GB662268A (fr)
NL (1) NL147621B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762434A (en) * 1953-12-04 1956-09-11 Royal Mcbee Corp Punching and notching machine
US3452925A (en) * 1967-05-31 1969-07-01 Mosler Safe Co Card punching and notching method and apparatus
US3625416A (en) * 1969-03-09 1971-12-07 Randomatic Data Systems Inc Apparatus for the selection of coded elements filed at random

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1773155A (en) * 1923-11-06 1930-08-19 Regan Safety Devices Co Inc Induction train-control system
GB441779A (en) * 1934-07-26 1936-01-27 Christopher Henry Ellis An apparatus for punching index cards
US2035777A (en) * 1935-02-06 1936-03-31 Mcbee Co Key punch
US2062155A (en) * 1935-10-02 1936-11-24 Mcbee Co Double row key punch
US2392082A (en) * 1941-01-13 1946-01-01 Addressograph Multigraph Printing machine
US2342361A (en) * 1942-07-27 1944-02-22 Robert A Niclas Statistical card system
US2439029A (en) * 1945-05-14 1948-04-06 Mcbee Co Combined card punching and slotting machine
US2439030A (en) * 1945-06-14 1948-04-06 Mcbee Co Key-punch slotting machine
US2521118A (en) * 1946-02-16 1950-09-05 Addressograph Multigraph Card punching machine

Also Published As

Publication number Publication date
GB662268A (en) 1951-12-05
CH291053A (fr) 1953-05-31
US2642940A (en) 1953-06-23
NL147621B (nl)

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