FR1445798A - Lecteur électronique de courbes - Google Patents

Lecteur électronique de courbes

Info

Publication number
FR1445798A
FR1445798A FR21719A FR21719A FR1445798A FR 1445798 A FR1445798 A FR 1445798A FR 21719 A FR21719 A FR 21719A FR 21719 A FR21719 A FR 21719A FR 1445798 A FR1445798 A FR 1445798A
Authority
FR
France
Prior art keywords
electronic curve
reader
curve reader
electronic
curve
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
FR21719A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Priority claimed from US377749A external-priority patent/US3387138A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1445798A publication Critical patent/FR1445798A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K11/00Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signal
    • G06K11/02Automatic curve followers, i.e. arrangements in which an exploring member or beam is forced to follow the curve
    • G06K11/04Automatic curve followers, i.e. arrangements in which an exploring member or beam is forced to follow the curve using an auxiliary scanning pattern
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition
    • G06V30/14Image acquisition
    • G06V30/144Image acquisition using a slot moved over the image; using discrete sensing elements at predetermined points; using automatic curve following means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Hardware Design (AREA)
  • Multimedia (AREA)
FR21719A 1964-06-24 1965-06-22 Lecteur électronique de courbes Expired FR1445798A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US377749A US3387138A (en) 1962-12-31 1964-06-24 Radiant energy sensitive electronic curve follower

Publications (1)

Publication Number Publication Date
FR1445798A true FR1445798A (fr) 1966-07-15

Family

ID=26164254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR21719A Expired FR1445798A (fr) 1964-06-24 1965-06-22 Lecteur électronique de courbes

Country Status (1)

Country Link
FR (1) FR1445798A (fr)

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