GB905057A - Photo-electric reading device for an information bearer with marking-grid areas - Google Patents

Photo-electric reading device for an information bearer with marking-grid areas

Info

Publication number
GB905057A
GB905057A GB274961A GB274961A GB905057A GB 905057 A GB905057 A GB 905057A GB 274961 A GB274961 A GB 274961A GB 274961 A GB274961 A GB 274961A GB 905057 A GB905057 A GB 905057A
Authority
GB
United Kingdom
Prior art keywords
photo
cells
space
marking
sensing
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
GB274961A
Other languages
English (en)
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
Publication of GB905057A publication Critical patent/GB905057A/en
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
    • 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)
  • Optical Recording Or Reproduction (AREA)
  • Credit Cards Or The Like (AREA)
GB274961A 1960-02-03 1961-01-24 Photo-electric reading device for an information bearer with marking-grid areas Expired GB905057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL248047 1960-02-03

Publications (1)

Publication Number Publication Date
GB905057A true GB905057A (en) 1962-09-05

Family

ID=19752153

Family Applications (1)

Application Number Title Priority Date Filing Date
GB274961A Expired GB905057A (en) 1960-02-03 1961-01-24 Photo-electric reading device for an information bearer with marking-grid areas

Country Status (2)

Country Link
GB (1) GB905057A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2) NL121019C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1225909B (de) * 1963-12-31 1966-09-29 Nederlanden Staat Photoelektrische Abtasteinrichtung fuer Aufzeichnungstraeger mit manuell schwaerzbaren Merkrasterflaechen
DE1234063B (de) * 1965-07-17 1967-02-09 Siemens Ag Einrichtung zur Abtastkontrolle fuer schrittweise arbeitende Streifenabtaster

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1225909B (de) * 1963-12-31 1966-09-29 Nederlanden Staat Photoelektrische Abtasteinrichtung fuer Aufzeichnungstraeger mit manuell schwaerzbaren Merkrasterflaechen
DE1234063B (de) * 1965-07-17 1967-02-09 Siemens Ag Einrichtung zur Abtastkontrolle fuer schrittweise arbeitende Streifenabtaster

Also Published As

Publication number Publication date
NL248047A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL121019C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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