FR563835A - Improvements to tabulating devices - Google Patents

Improvements to tabulating devices

Info

Publication number
FR563835A
FR563835A FR563835DA FR563835A FR 563835 A FR563835 A FR 563835A FR 563835D A FR563835D A FR 563835DA FR 563835 A FR563835 A FR 563835A
Authority
FR
France
Prior art keywords
tabulating devices
tabulating
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 FR563835A publication Critical patent/FR563835A/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
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/06—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means which conduct current when a mark is sensed or absent, e.g. contact brush for a conductive mark
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Dc Machiner (AREA)
FR563835D 1921-12-30 1923-03-15 Improvements to tabulating devices Expired FR563835A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US525954A US1570264A (en) 1921-12-30 1921-12-30 Automatically-controlled tabulating machine

Publications (1)

Publication Number Publication Date
FR563835A true FR563835A (en) 1923-12-14

Family

ID=9834316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR563835D Expired FR563835A (en) 1921-12-30 1923-03-15 Improvements to tabulating devices

Country Status (4)

Country Link
US (1) US1570264A (en)
DE (1) DE500143C (en)
FR (1) FR563835A (en)
GB (1) GB197471A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL94418C (en) * 1949-02-03

Also Published As

Publication number Publication date
DE500143C (en) 1930-06-18
US1570264A (en) 1926-01-19
GB197471A (en) 1923-05-17

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