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FR1331268A - Cartothèque à perforations marginales - Google Patents

Cartothèque à perforations marginales

Info

Publication number
FR1331268A
FR1331268A FR907548A FR907548A FR1331268A FR 1331268 A FR1331268 A FR 1331268A FR 907548 A FR907548 A FR 907548A FR 907548 A FR907548 A FR 907548A FR 1331268 A FR1331268 A FR 1331268A
Authority
FR
France
Prior art keywords
card library
marginal perforations
marginal
perforations
library
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
FR907548A
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.)
DOREC VERLAGS A G
Original Assignee
DOREC VERLAGS A G
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 DOREC VERLAGS A G filed Critical DOREC VERLAGS A G
Priority to FR907548A priority Critical patent/FR1331268A/fr
Application granted granted Critical
Publication of FR1331268A publication Critical patent/FR1331268A/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
    • G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
    • G06K21/04—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed optically, e.g. peek-a-boo system

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR907548A 1962-08-22 1962-08-22 Cartothèque à perforations marginales Expired FR1331268A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR907548A FR1331268A (fr) 1962-08-22 1962-08-22 Cartothèque à perforations marginales

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR907548A FR1331268A (fr) 1962-08-22 1962-08-22 Cartothèque à perforations marginales

Publications (1)

Publication Number Publication Date
FR1331268A true FR1331268A (fr) 1963-06-28

Family

ID=8785571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR907548A Expired FR1331268A (fr) 1962-08-22 1962-08-22 Cartothèque à perforations marginales

Country Status (1)

Country Link
FR (1) FR1331268A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3359985A (en) * 1961-08-23 1967-12-26 Dorec Verlags A G Perforated key word card

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3359985A (en) * 1961-08-23 1967-12-26 Dorec Verlags A G Perforated key word card

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