FR677427A - Perfectionnements aux cartes enregistreuses pour machines tabulatrices - Google Patents

Perfectionnements aux cartes enregistreuses pour machines tabulatrices

Info

Publication number
FR677427A
FR677427A FR677427DA FR677427A FR 677427 A FR677427 A FR 677427A FR 677427D A FR677427D A FR 677427DA FR 677427 A FR677427 A FR 677427A
Authority
FR
France
Prior art keywords
recording cards
tabulating machines
tabulating
machines
cards
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)
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 FR677427A publication Critical patent/FR677427A/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
    • 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)
FR677427D 1928-07-20 1929-06-25 Perfectionnements aux cartes enregistreuses pour machines tabulatrices Expired FR677427A (fr)

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
FR677427A true FR677427A (fr) 1930-03-07

Family

ID=23131924

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677427D Expired FR677427A (fr) 1928-07-20 1929-06-25 Perfectionnements aux cartes enregistreuses pour machines tabulatrices

Country Status (4)

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

Families Citing this family (6)

* 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
US20050238260A1 (en) * 2004-04-16 2005-10-27 Dave Coleman Image and optical mark scanner with encryption
US20050237580A1 (en) * 2004-04-16 2005-10-27 Dave Coleman Scanner read head for images and optical mark recognition
US20220314212A1 (en) * 2019-07-26 2022-10-06 Hewlett-Packard Development Company, L.P. Control of cell concentration
US20220281171A1 (en) 2019-09-25 2022-09-08 Hewlett-Packard Development Company, L.P. Removing build material particles
EP3941722A4 (en) * 2019-09-27 2022-10-05 Hewlett-Packard Development Company, L.P. LOADING CONSTRUCTION MATERIAL

Also Published As

Publication number Publication date
US1772492A (en) 1930-08-12
GB315881A (en) 1930-10-20
BE391216A (xx)

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