CH612022A5 - Method and device for reading prerecorded information on an information medium - Google Patents

Method and device for reading prerecorded information on an information medium

Info

Publication number
CH612022A5
CH612022A5 CH482476A CH482476A CH612022A5 CH 612022 A5 CH612022 A5 CH 612022A5 CH 482476 A CH482476 A CH 482476A CH 482476 A CH482476 A CH 482476A CH 612022 A5 CH612022 A5 CH 612022A5
Authority
CH
Switzerland
Prior art keywords
information
medium
read
registers
reader
Prior art date
Application number
CH482476A
Other languages
English (en)
Inventor
Heinz Lechner
Jean-Francois Taillens
Original Assignee
Heinz Lechner
Taillens Jean Francois
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 Heinz Lechner, Taillens Jean Francois filed Critical Heinz Lechner
Publication of CH612022A5 publication Critical patent/CH612022A5/xx

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
    • 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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CH482476A 1975-04-18 1976-04-15 Method and device for reading prerecorded information on an information medium CH612022A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7512171A FR2308147A1 (fr) 1975-04-18 1975-04-18 Procede et dispositif de lecture optoelectronique

Publications (1)

Publication Number Publication Date
CH612022A5 true CH612022A5 (en) 1979-06-29

Family

ID=9154164

Family Applications (1)

Application Number Title Priority Date Filing Date
CH482476A CH612022A5 (en) 1975-04-18 1976-04-15 Method and device for reading prerecorded information on an information medium

Country Status (2)

Country Link
CH (1) CH612022A5 (cs)
FR (1) FR2308147A1 (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA776221B (en) * 1976-11-24 1978-06-28 Access Control Syst Code identification apparatus
GB2009477B (en) * 1977-10-20 1982-06-09 Interflex Datensyst Optoelectronic apparatus for reading information contained in an information carrier
EP0111030A1 (de) * 1982-12-13 1984-06-20 Skidata Computerhandelsgesellschaft M.B.H. Abtastvorrichtung zur Ermittlung der Position einer einem Schreib- und/oder Lesegerät zugeführten Berechtigungskarte
FR2564892B1 (fr) * 1984-05-22 1986-09-05 Neiman Sa Verrou a commande mixte mecanique et electrique.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688269A (en) * 1971-01-15 1972-08-29 Constellation Science And Tech Electronic key lock having data coded key
US3763355A (en) * 1971-12-29 1973-10-02 Texas Instruments Inc Dynamic position-actuated card reader

Also Published As

Publication number Publication date
FR2308147B1 (cs) 1977-11-18
FR2308147A1 (fr) 1976-11-12

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased