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FR2272445B3 - - Google Patents

Info

Publication number
FR2272445B3
FR2272445B3 FR7417678A FR7417678A FR2272445B3 FR 2272445 B3 FR2272445 B3 FR 2272445B3 FR 7417678 A FR7417678 A FR 7417678A FR 7417678 A FR7417678 A FR 7417678A FR 2272445 B3 FR2272445 B3 FR 2272445B3
Authority
FR
France
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
FR7417678A
Other languages
French (fr)
Other versions
FR2272445A1 (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.)
JEAN ANNE MARIE
Original Assignee
JEAN ANNE MARIE
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 JEAN ANNE MARIE filed Critical JEAN ANNE MARIE
Priority to FR7417678A priority Critical patent/FR2272445A1/fr
Publication of FR2272445A1 publication Critical patent/FR2272445A1/fr
Application granted granted Critical
Publication of FR2272445B3 publication Critical patent/FR2272445B3/fr
Granted 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)
  • Storage Device Security (AREA)
  • Credit Cards Or The Like (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
FR7417678A 1974-05-21 1974-05-21 Data or information classification system - uses notches in data cards to give negative selection indications Granted FR2272445A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7417678A FR2272445A1 (en) 1974-05-21 1974-05-21 Data or information classification system - uses notches in data cards to give negative selection indications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417678A FR2272445A1 (en) 1974-05-21 1974-05-21 Data or information classification system - uses notches in data cards to give negative selection indications

Publications (2)

Publication Number Publication Date
FR2272445A1 FR2272445A1 (en) 1975-12-19
FR2272445B3 true FR2272445B3 (sv) 1977-03-18

Family

ID=9139122

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417678A Granted FR2272445A1 (en) 1974-05-21 1974-05-21 Data or information classification system - uses notches in data cards to give negative selection indications

Country Status (1)

Country Link
FR (1) FR2272445A1 (sv)

Also Published As

Publication number Publication date
FR2272445A1 (en) 1975-12-19

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Legal Events

Date Code Title Description
ST Notification of lapse