FR487201A - Improvements to punch machines for verifying perforated diagrams - Google Patents

Improvements to punch machines for verifying perforated diagrams

Info

Publication number
FR487201A
FR487201A FR487201DA FR487201A FR 487201 A FR487201 A FR 487201A FR 487201D A FR487201D A FR 487201DA FR 487201 A FR487201 A FR 487201A
Authority
FR
France
Prior art keywords
diagrams
punch machines
verifying
perforated
verifying perforated
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 FR487201A publication Critical patent/FR487201A/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
    • G06K5/00—Methods or arrangements for verifying the correctness of markings on a record carrier; Column detection devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Conveying Record Carriers (AREA)
FR487201D 1916-07-25 1917-07-20 Improvements to punch machines for verifying perforated diagrams Expired FR487201A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US108313XA 1916-07-25 1916-07-25

Publications (1)

Publication Number Publication Date
FR487201A true FR487201A (en) 1918-06-18

Family

ID=32823179

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487201D Expired FR487201A (en) 1916-07-25 1917-07-20 Improvements to punch machines for verifying perforated diagrams

Country Status (3)

Country Link
DE (1) DE378330C (en)
FR (1) FR487201A (en)
GB (1) GB108313A (en)

Also Published As

Publication number Publication date
GB108313A (en) 1918-06-27
DE378330C (en) 1923-07-10

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