FR2289010A1 - Dispositif de lecture d'une information - Google Patents

Dispositif de lecture d'une information

Info

Publication number
FR2289010A1
FR2289010A1 FR7435418A FR7435418A FR2289010A1 FR 2289010 A1 FR2289010 A1 FR 2289010A1 FR 7435418 A FR7435418 A FR 7435418A FR 7435418 A FR7435418 A FR 7435418A FR 2289010 A1 FR2289010 A1 FR 2289010A1
Authority
FR
France
Prior art keywords
bit
read
reading device
information reading
gaps
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.)
Granted
Application number
FR7435418A
Other languages
English (en)
French (fr)
Other versions
FR2289010B1 (https=
Inventor
Jean-Max Drouot
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.)
Nokia Inc
Original Assignee
Nokia Inc
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 Nokia Inc filed Critical Nokia Inc
Priority to FR7435418A priority Critical patent/FR2289010A1/fr
Publication of FR2289010A1 publication Critical patent/FR2289010A1/fr
Application granted granted Critical
Publication of FR2289010B1 publication Critical patent/FR2289010B1/fr
Granted 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
    • G06K7/0166—Synchronisation of sensing process by means of clock-signals derived from the code marks, e.g. self-clocking code
    • 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
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
    • G06K7/084—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive sensing magnetic material by relative movement detecting flux changes without altering its magnetised state

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
FR7435418A 1974-10-22 1974-10-22 Dispositif de lecture d'une information Granted FR2289010A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7435418A FR2289010A1 (fr) 1974-10-22 1974-10-22 Dispositif de lecture d'une information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7435418A FR2289010A1 (fr) 1974-10-22 1974-10-22 Dispositif de lecture d'une information

Publications (2)

Publication Number Publication Date
FR2289010A1 true FR2289010A1 (fr) 1976-05-21
FR2289010B1 FR2289010B1 (https=) 1977-03-18

Family

ID=9144348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435418A Granted FR2289010A1 (fr) 1974-10-22 1974-10-22 Dispositif de lecture d'une information

Country Status (1)

Country Link
FR (1) FR2289010A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2837862A1 (de) * 1977-08-30 1979-03-15 Cii Honeywell Bull Vorrichtung zum lesen von gedruckten zeichen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413726A1 (fr) 1977-12-30 1979-07-27 Cii Hb Procede et dispositif de lecture d'une information codee sous forme d'intervalles de grandeurs predeterminees

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1264119B (de) * 1963-12-05 1968-03-21 Telefunken Patent Einrichtung zur maschinellen Erkennung von Zeichen mit Kantenabstands-Kodierung
FR1537810A (fr) * 1967-07-13 1968-08-30 Automatisme Cie Gle Dispositif optique de lecture de code
DE2151106A1 (de) * 1970-10-13 1972-04-20 Plessey Handel Und Invest Ag Datencodiersystem

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1264119B (de) * 1963-12-05 1968-03-21 Telefunken Patent Einrichtung zur maschinellen Erkennung von Zeichen mit Kantenabstands-Kodierung
FR1537810A (fr) * 1967-07-13 1968-08-30 Automatisme Cie Gle Dispositif optique de lecture de code
DE2151106A1 (de) * 1970-10-13 1972-04-20 Plessey Handel Und Invest Ag Datencodiersystem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2837862A1 (de) * 1977-08-30 1979-03-15 Cii Honeywell Bull Vorrichtung zum lesen von gedruckten zeichen

Also Published As

Publication number Publication date
FR2289010B1 (https=) 1977-03-18

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Legal Events

Date Code Title Description
TP Transmission of property