CH411421A - Vorrichtung zum optischen Abtasten von Zeichen mittels einer Kathodenstrahlröhre - Google Patents

Vorrichtung zum optischen Abtasten von Zeichen mittels einer Kathodenstrahlröhre

Info

Publication number
CH411421A
CH411421A CH1606263A CH1606263A CH411421A CH 411421 A CH411421 A CH 411421A CH 1606263 A CH1606263 A CH 1606263A CH 1606263 A CH1606263 A CH 1606263A CH 411421 A CH411421 A CH 411421A
Authority
CH
Switzerland
Prior art keywords
ray tube
cathode ray
optically scanning
scanning characters
characters
Prior art date
Application number
CH1606263A
Other languages
German (de)
English (en)
Inventor
Constantine Grenias Evon
Original Assignee
Ibm
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 US248585A external-priority patent/US3229100A/en
Priority claimed from US305254A external-priority patent/US3267285A/en
Application filed by Ibm filed Critical Ibm
Publication of CH411421A publication Critical patent/CH411421A/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/144—Image acquisition using a slot moved over the image; using discrete sensing elements at predetermined points; using automatic curve following means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K11/00—Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signal
    • G06K11/02—Automatic curve followers, i.e. arrangements in which an exploring member or beam is forced to follow the curve
    • G06K11/04—Automatic curve followers, i.e. arrangements in which an exploring member or beam is forced to follow the curve using an auxiliary scanning pattern
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
    • G09G1/08—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam directly tracing characters, the information to be displayed controlling the deflection and the intensity as a function of time in two spatial co-ordinates, e.g. according to a cartesian co-ordinate system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Artificial Intelligence (AREA)
  • Multimedia (AREA)
  • Remote Sensing (AREA)
  • Machine Tool Copy Controls (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Character Discrimination (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Character Input (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Studio Circuits (AREA)
CH1606263A 1962-12-31 1963-12-30 Vorrichtung zum optischen Abtasten von Zeichen mittels einer Kathodenstrahlröhre CH411421A (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US248585A US3229100A (en) 1962-12-31 1962-12-31 Electronic servo system
US305254A US3267285A (en) 1963-08-29 1963-08-29 Variable resolution curve following apparatus
US377749A US3387138A (en) 1962-12-31 1964-06-24 Radiant energy sensitive electronic curve follower

Publications (1)

Publication Number Publication Date
CH411421A true CH411421A (de) 1966-04-15

Family

ID=63721178

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1606263A CH411421A (de) 1962-12-31 1963-12-30 Vorrichtung zum optischen Abtasten von Zeichen mittels einer Kathodenstrahlröhre

Country Status (8)

Country Link
US (1) US3387138A (en:Method)
BE (1) BE641906A (en:Method)
CH (1) CH411421A (en:Method)
DE (2) DE1205745B (en:Method)
FR (2) FR1393325A (en:Method)
GB (4) GB996509A (en:Method)
NL (2) NL302499A (en:Method)
SE (1) SE313685B (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514753A (en) * 1966-01-12 1970-05-26 Ibm Character recognition system
DE1549880B1 (de) * 1967-08-29 1971-01-21 Siemens Ag Anordnung zur optischen Abtastung von Zeichen
US3629828A (en) * 1969-05-07 1971-12-21 Ibm System having scanner controlled by video clipping level and recognition exception routines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL269949A (en:Method) * 1957-05-17
DE1090890B (de) * 1958-10-15 1960-10-13 Standard Elektrik Lorenz Ag Verfahren und Anordnung zur automatischen Zeichenerkennung
FR1312707A (fr) * 1961-01-12 1962-12-21 Thomson Houston Comp Francaise Perfectionnements aux dispositifs d'identification de caractères
US3267285A (en) * 1963-08-29 1966-08-16 Ibm Variable resolution curve following apparatus
US3229100A (en) * 1962-12-31 1966-01-11 Ibm Electronic servo system
US3289004A (en) * 1963-09-03 1966-11-29 Ibm Photosensitive electronic servo apparatus for curve following

Also Published As

Publication number Publication date
GB1044246A (en) 1966-09-28
NL145071B (nl) 1975-02-17
DE1211009B (de) 1966-02-17
GB1008560A (en) 1965-10-27
SE313685B (en:Method) 1969-08-18
FR1409557A (fr) 1965-08-27
US3387138A (en) 1968-06-04
NL302499A (en:Method) 1965-10-25
DE1205745B (de) 1965-11-25
BE641906A (en:Method) 1964-04-16
GB996509A (en) 1965-06-30
GB1039948A (en) 1966-08-24
FR1393325A (fr) 1965-03-26

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