GB191507800A - Improvements in Statistical Card Verifying Machines. - Google Patents

Improvements in Statistical Card Verifying Machines.

Info

Publication number
GB191507800A
GB191507800A GB191507800DA GB191507800A GB 191507800 A GB191507800 A GB 191507800A GB 191507800D A GB191507800D A GB 191507800DA GB 191507800 A GB191507800 A GB 191507800A
Authority
GB
United Kingdom
Prior art keywords
slides
cards
plate
perforations
coact
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)
Inventor
James Powers
John Isaac Waterbury
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191507800A publication Critical patent/GB191507800A/en
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
    • 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)
  • Credit Cards Or The Like (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
GB191507800D 1915-05-26 1915-05-26 Improvements in Statistical Card Verifying Machines. Expired GB191507800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191507800T 1915-05-26

Publications (1)

Publication Number Publication Date
GB191507800A true GB191507800A (en) 1915-11-18

Family

ID=34361417

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191507800D Expired GB191507800A (en) 1915-05-26 1915-05-26 Improvements in Statistical Card Verifying Machines.

Country Status (3)

Country Link
DE (1) DE295553C (https=)
FR (1) FR478808A (https=)
GB (1) GB191507800A (https=)

Also Published As

Publication number Publication date
DE295553C (https=)
FR478808A (fr) 1916-01-12

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