FR969134A - Machine à poinçonner ou à perforer - Google Patents

Machine à poinçonner ou à perforer

Info

Publication number
FR969134A
FR969134A FR969134DA FR969134A FR 969134 A FR969134 A FR 969134A FR 969134D A FR969134D A FR 969134DA FR 969134 A FR969134 A FR 969134A
Authority
FR
France
Prior art keywords
punching
perforating machine
perforating
machine
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR969134A publication Critical patent/FR969134A/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
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/04—Methods or arrangements for sensing record carriers, e.g. for reading patterns by mechanical means, e.g. by pins operating electric contacts

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
FR969134D 1947-08-14 1948-07-12 Machine à poinçonner ou à perforer Expired FR969134A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US768559A US2490360A (en) 1947-08-14 1947-08-14 Perforated record sensing device

Publications (1)

Publication Number Publication Date
FR969134A true FR969134A (fr) 1950-12-14

Family

ID=25082842

Family Applications (1)

Application Number Title Priority Date Filing Date
FR969134D Expired FR969134A (fr) 1947-08-14 1948-07-12 Machine à poinçonner ou à perforer

Country Status (4)

Country Link
US (1) US2490360A (fr)
DE (1) DE937379C (fr)
FR (1) FR969134A (fr)
GB (1) GB653975A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007636A (en) * 1961-11-07 Vossen
US3059847A (en) * 1957-09-25 1962-10-23 Gen Time Corp Data transmission apparatus
DE1256926B (de) * 1964-03-07 1967-12-21 Olympia Werke Ag Abtastvorrichtung fuer gelochte Aufzeichnungstraeger

Also Published As

Publication number Publication date
US2490360A (en) 1949-12-06
GB653975A (en) 1951-05-30
DE937379C (de) 1956-01-05

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