FR872200A - Dispositif de calcul - Google Patents

Dispositif de calcul

Info

Publication number
FR872200A
FR872200A FR872200DA FR872200A FR 872200 A FR872200 A FR 872200A FR 872200D A FR872200D A FR 872200DA FR 872200 A FR872200 A FR 872200A
Authority
FR
France
Prior art keywords
calculation device
calculation
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)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Priority claimed from US286444A external-priority patent/US2272366A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR872200A publication Critical patent/FR872200A/fr
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
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
FR872200D 1939-07-25 1940-08-24 Dispositif de calcul Expired FR872200A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US286444A US2272366A (en) 1939-07-25 1939-07-25 Control element for statistical machines
US286448A US2325941A (en) 1939-07-25 1939-07-25 Statistical machine

Publications (1)

Publication Number Publication Date
FR872200A true FR872200A (fr) 1942-06-01

Family

ID=26963825

Family Applications (1)

Application Number Title Priority Date Filing Date
FR872200D Expired FR872200A (fr) 1939-07-25 1940-08-24 Dispositif de calcul

Country Status (4)

Country Link
US (1) US2325941A (fr)
DE (1) DE738171C (fr)
FR (1) FR872200A (fr)
GB (1) GB542608A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431024A (en) * 1940-06-12 1947-11-18 Ibm Statistical machine controlled by colored photographic film
US2427383A (en) * 1941-07-29 1947-09-16 Ibm Statistical machine controlled by magnetic, frequency coded records
NL73141C (fr) * 1943-04-17
US2704634A (en) * 1949-06-04 1955-03-22 Rauch
NL193551A (fr) * 1953-12-30
DE1085201B (de) * 1955-01-19 1960-07-14 Josef Dirr Schaltungsanordnung zur Auswertung von ueber abgeriegelte Leitungen uebertragenen, zeitlich versetzten Wechselstromimpulsen einer Frequenz fuer die Identifizierung von Leitungen zur Gebuehrenerfassung in Fernmelde-, insbesondere Fernsprechanlagen
US2860759A (en) * 1955-02-10 1958-11-18 Ibm Sensing control for tabulating mechanism
DE1057800B (de) * 1955-12-13 1959-05-21 Buchungsmaschinenwerk Veb Vorrichtung zum automatischen Saldenvortrag
US3052405A (en) * 1956-02-21 1962-09-04 Ibm High-speed column-by-column reading device
DE1100047B (de) * 1956-04-30 1961-02-23 Taylorix Organisation Einrichtung fuer automatische Zeilenwahl an Schreib-, Rechen- und Buchungs-maschinen
GB863971A (en) * 1956-07-17 1961-03-29 Burroughs Corp Improvements in or relating to automatic accounting machines
US3684889A (en) * 1970-02-11 1972-08-15 Electronic Transmission System Optical system for facsimile scanners and the like
US4143809A (en) * 1977-10-11 1979-03-13 Hewlett-Packard Company Optical bar code reader
US5362953A (en) * 1992-08-18 1994-11-08 Intermec Corporation Reading apparatus with separate illumination and detection optical axes

Also Published As

Publication number Publication date
GB542608A (en) 1942-01-19
US2325941A (en) 1943-08-03
DE738171C (de) 1943-08-05

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