CH575627A5 - - Google Patents

Info

Publication number
CH575627A5
CH575627A5 CH409874A CH409874A CH575627A5 CH 575627 A5 CH575627 A5 CH 575627A5 CH 409874 A CH409874 A CH 409874A CH 409874 A CH409874 A CH 409874A CH 575627 A5 CH575627 A5 CH 575627A5
Authority
CH
Switzerland
Application number
CH409874A
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Publication of CH575627A5 publication Critical patent/CH575627A5/xx

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
    • G06K19/08—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—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 using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • 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
    • G06K7/015—Aligning or centering of the sensing device with respect to the record carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Character Input (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Character Discrimination (AREA)
CH409874A 1973-05-08 1974-03-25 CH575627A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7306419A SE389413B (sv) 1973-05-08 1973-05-08 Kontrollsystem med maskinellt avlesbara persondokument.

Publications (1)

Publication Number Publication Date
CH575627A5 true CH575627A5 (de) 1976-05-14

Family

ID=20317394

Family Applications (1)

Application Number Title Priority Date Filing Date
CH409874A CH575627A5 (de) 1973-05-08 1974-03-25

Country Status (5)

Country Link
CH (1) CH575627A5 (de)
DE (1) DE2421440B2 (de)
FR (1) FR2229099B1 (de)
GB (1) GB1463903A (de)
SE (1) SE389413B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441218A1 (fr) * 1978-11-10 1980-06-06 Automatisme Cie Gle Procede d'utilisation d'un titre magnetique
DE2936409A1 (de) * 1979-09-08 1981-03-19 Hermann 7742 St. Georgen Stockburger Verfahren zum sichern von daten
US4663622A (en) * 1980-06-23 1987-05-05 Light Signatures, Inc. Non-counterfeitable document system
JPH0616312B2 (ja) * 1980-06-23 1994-03-02 ライト・シグネイチヤ−ズ、インコ−ポレテツド 偽造防止ドキュメントシステム
DE3038602C2 (de) * 1980-10-13 1986-09-25 COPYTEX GmbH Sicherheitssysteme, 7730 Villingen-Schwenningen Verfahren zum Erkennen der Echtheit eines Datenträgers
DE3043985A1 (de) * 1980-11-21 1982-06-03 Hermann 7742 St Georgen Stockburger Verfahren und vorrichtung zur kennzeichnung und/oder identifizierung eines datentraegers
AU8023787A (en) * 1986-10-07 1988-05-06 Mainframe Data Ltd. Apparatus and method for controlling transmission of defects

Also Published As

Publication number Publication date
DE2421440B2 (de) 1976-07-15
FR2229099B1 (de) 1978-01-13
DE2421440A1 (de) 1974-12-05
GB1463903A (en) 1977-02-09
SE389413B (sv) 1976-11-01
FR2229099A1 (de) 1974-12-06

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Legal Events

Date Code Title Description
PL Patent ceased