FR1279777A - Photoelectric reading device for an information carrier with marking grids - Google Patents

Photoelectric reading device for an information carrier with marking grids

Info

Publication number
FR1279777A
FR1279777A FR851155A FR851155A FR1279777A FR 1279777 A FR1279777 A FR 1279777A FR 851155 A FR851155 A FR 851155A FR 851155 A FR851155 A FR 851155A FR 1279777 A FR1279777 A FR 1279777A
Authority
FR
France
Prior art keywords
reading device
information carrier
photoelectric reading
marking grids
grids
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
FR851155A
Other languages
French (fr)
Inventor
Petrus Ludovicus Maria Berkel
Arie Adriaan Spanjersberg
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.)
Nederlanden Staat
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Priority to FR851155A priority Critical patent/FR1279777A/en
Application granted granted Critical
Publication of FR1279777A publication Critical patent/FR1279777A/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
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/01—Details
    • G06K7/016—Synchronisation of sensing process
    • G06K7/0163—Synchronisation of sensing process by means of additional timing marks on the record-carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR851155A 1960-02-03 1961-01-30 Photoelectric reading device for an information carrier with marking grids Expired FR1279777A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR851155A FR1279777A (en) 1960-02-03 1961-01-30 Photoelectric reading device for an information carrier with marking grids

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL248047 1960-02-03
FR851155A FR1279777A (en) 1960-02-03 1961-01-30 Photoelectric reading device for an information carrier with marking grids

Publications (1)

Publication Number Publication Date
FR1279777A true FR1279777A (en) 1961-12-22

Family

ID=26189116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR851155A Expired FR1279777A (en) 1960-02-03 1961-01-30 Photoelectric reading device for an information carrier with marking grids

Country Status (1)

Country Link
FR (1) FR1279777A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253493B (en) * 1962-06-21 1967-11-02 Svenska Dataregister Ab Device for scanning data recorded on recording media

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253493B (en) * 1962-06-21 1967-11-02 Svenska Dataregister Ab Device for scanning data recorded on recording media

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