FR1294792A - Perfectionnements aux cartes perforées pour machines calculatrices et analogues - Google Patents

Perfectionnements aux cartes perforées pour machines calculatrices et analogues

Info

Publication number
FR1294792A
FR1294792A FR858917A FR858917A FR1294792A FR 1294792 A FR1294792 A FR 1294792A FR 858917 A FR858917 A FR 858917A FR 858917 A FR858917 A FR 858917A FR 1294792 A FR1294792 A FR 1294792A
Authority
FR
France
Prior art keywords
punch cards
calculating machines
machines
calculating
punch
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
FR858917A
Other languages
English (en)
Inventor
Maurice Alexandre
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 filed Critical
Priority to FR858917A priority Critical patent/FR1294792A/fr
Priority to GB1151262A priority patent/GB940106A/en
Application granted granted Critical
Publication of FR1294792A publication Critical patent/FR1294792A/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
    • G06K19/06—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
    • G06K19/063—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 the carrier being marginally punched or notched, e.g. having elongated slots

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
FR858917A 1961-04-17 1961-04-17 Perfectionnements aux cartes perforées pour machines calculatrices et analogues Expired FR1294792A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR858917A FR1294792A (fr) 1961-04-17 1961-04-17 Perfectionnements aux cartes perforées pour machines calculatrices et analogues
GB1151262A GB940106A (en) 1961-04-17 1962-03-26 Improvements in or relating to perforatable cards for calculating machines and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR858917A FR1294792A (fr) 1961-04-17 1961-04-17 Perfectionnements aux cartes perforées pour machines calculatrices et analogues

Publications (1)

Publication Number Publication Date
FR1294792A true FR1294792A (fr) 1962-06-01

Family

ID=8753172

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858917A Expired FR1294792A (fr) 1961-04-17 1961-04-17 Perfectionnements aux cartes perforées pour machines calculatrices et analogues

Country Status (2)

Country Link
FR (1) FR1294792A (fr)
GB (1) GB940106A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600447A1 (fr) * 1986-06-20 1987-12-24 Deveaux Isidore Cartes perforees pour micro-ordinateur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350800A (en) * 1965-09-15 1967-11-07 Edward A Witt Credit card identification

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600447A1 (fr) * 1986-06-20 1987-12-24 Deveaux Isidore Cartes perforees pour micro-ordinateur

Also Published As

Publication number Publication date
GB940106A (en) 1963-10-23

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