FR677427A - Improvements to recording cards for tabulating machines - Google Patents

Improvements to recording cards for tabulating machines

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
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/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
    • 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
FR677427D 1928-07-20 1929-06-25 Improvements to recording cards for tabulating machines Expired FR677427A (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
FR677427A true FR677427A (en) 1930-03-07

Family

ID=23131924

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677427D Expired FR677427A (en) 1928-07-20 1929-06-25 Improvements to recording cards for tabulating machines

Country Status (4)

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

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
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
WO2021021071A1 (en) * 2019-07-26 2021-02-04 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
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 (en)
GB315881A (en) 1930-10-20

Similar Documents

Publication Publication Date Title
FR709798A (en) Tabulator printing machine
FR677086A (en) Improvements to printing mechanisms for tabulating machines
FR677427A (en) Improvements to recording cards for tabulating machines
FR721465A (en) Improvements to tabulating machines or printing tabulators
FR736325A (en) Improvements to tabulating machines
FR737976A (en) Improvements to tabulating machines
FR682270A (en) Improvements to tabulating machines
FR43094E (en) Improvements to recording cards for tabulating machines
FR575645A (en) Improvements to tabulating mechanisms for typewriters
FR723025A (en) Improvements to tabulating machines
FR611205A (en) Improvements to tabulating machines
FR724142A (en) Improvements to tabulating machines
FR701300A (en) Improvements to tabulating machines
FR734186A (en) Improvements to tabulating machines
FR714898A (en) Improvements to tabulating machines controlled by register cards
BE353701A (en) Improvements to machines for printing and recording tickets
FR630896A (en) Improvements to tabulating and calculating machines
FR657742A (en) Improvements to flying machines
FR748454A (en) Improvements to tabulator machines controlled by recording cards
FR714507A (en) Improvements to tabulating machines
FR673455A (en) Improvements to talking machines
FR675443A (en) Improvements made to electromagnetic readers for phonographs
FR688397A (en) Improvements to accounting and tabulating machines
FR729624A (en) Improvements to tabulating machines
FR736082A (en) Improvements to tabulating machines