GB315881A - Improvements in or relating to record-cards for use with statistical machines - Google Patents

Improvements in or relating to record-cards for use with statistical machines

Info

Publication number
GB315881A
GB315881A GB22286/29A GB2228629A GB315881A GB 315881 A GB315881 A GB 315881A GB 22286/29 A GB22286/29 A GB 22286/29A GB 2228629 A GB2228629 A GB 2228629A GB 315881 A GB315881 A GB 315881A
Authority
GB
United Kingdom
Prior art keywords
cards
record
statistical
relating
holes
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
GB22286/29A
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.)
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
Publication of GB315881A publication Critical patent/GB315881A/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
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
GB22286/29A 1928-07-20 1929-07-19 Improvements in or relating to record-cards for use with statistical machines Expired GB315881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US294110A US1772492A (en) 1928-07-20 1928-07-20 Record sheet for tabulating machines

Publications (1)

Publication Number Publication Date
GB315881A true GB315881A (en) 1930-10-20

Family

ID=23131924

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22286/29A Expired GB315881A (en) 1928-07-20 1929-07-19 Improvements in or relating to record-cards for use with statistical machines

Country Status (4)

Country Link
US (1) US1772492A (enrdf_load_stackoverflow)
BE (1) BE391216A (enrdf_load_stackoverflow)
FR (1) FR677427A (enrdf_load_stackoverflow)
GB (1) GB315881A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454711A (en) * 1948-11-23 Means for use in computing elapsed
US20050237580A1 (en) * 2004-04-16 2005-10-27 Dave Coleman Scanner read head for images and optical mark recognition
US20050238260A1 (en) * 2004-04-16 2005-10-27 Dave Coleman Image and optical mark scanner with encryption
USD519156S1 (en) * 2004-05-18 2006-04-18 Scantron Corporation Scannable form
EP3938778A4 (en) * 2019-07-26 2022-03-23 Hewlett-Packard Development Company, L.P. CONTROL OF CELL CONCENTRATION
WO2021061118A1 (en) * 2019-09-25 2021-04-01 Hewlett-Packard Development Company, L.P. Removing build material particles
US20220288852A1 (en) * 2019-09-27 2022-09-15 Hewlett-Packard Development Company, L.P. Build material loading

Also Published As

Publication number Publication date
US1772492A (en) 1930-08-12
BE391216A (enrdf_load_stackoverflow)
FR677427A (fr) 1930-03-07

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