CH479917A - Method and device for generating characters on the screen of a cathode ray tube - Google Patents

Method and device for generating characters on the screen of a cathode ray tube

Info

Publication number
CH479917A
CH479917A CH455469A CH455469A CH479917A CH 479917 A CH479917 A CH 479917A CH 455469 A CH455469 A CH 455469A CH 455469 A CH455469 A CH 455469A CH 479917 A CH479917 A CH 479917A
Authority
CH
Switzerland
Prior art keywords
screen
ray tube
cathode ray
generating characters
characters
Prior art date
Application number
CH455469A
Other languages
German (de)
Inventor
Roger Lamoureux William
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
Application filed by Ibm filed Critical Ibm
Publication of CH479917A publication Critical patent/CH479917A/en

Links

Classifications

    • 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
    • G09G1/10—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 the deflection signals being produced by essentially digital means, e.g. incrementally

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Details Of Television Scanning (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
CH455469A 1968-04-15 1969-03-26 Method and device for generating characters on the screen of a cathode ray tube CH479917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72147768A 1968-04-15 1968-04-15

Publications (1)

Publication Number Publication Date
CH479917A true CH479917A (en) 1969-10-15

Family

ID=24898147

Family Applications (1)

Application Number Title Priority Date Filing Date
CH455469A CH479917A (en) 1968-04-15 1969-03-26 Method and device for generating characters on the screen of a cathode ray tube

Country Status (8)

Country Link
US (1) US3609745A (en)
AT (1) AT297106B (en)
BE (1) BE731529A (en)
CH (1) CH479917A (en)
FR (1) FR2006224A1 (en)
GB (1) GB1244084A (en)
NL (1) NL163642C (en)
SE (1) SE339582B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090322655A1 (en) * 2008-06-26 2009-12-31 Honeywell International Inc. Systems and methods for modifying an intensity of a cathode ray tube stroke signal within a digital display system

Also Published As

Publication number Publication date
NL163642C (en) 1980-09-15
US3609745A (en) 1971-09-28
SE339582B (en) 1971-10-11
DE1918372A1 (en) 1970-01-15
BE731529A (en) 1969-09-15
AT297106B (en) 1972-03-10
FR2006224A1 (en) 1969-12-26
DE1918372B2 (en) 1972-10-19
GB1244084A (en) 1971-08-25
NL163642B (en) 1980-04-15
NL6905592A (en) 1969-10-17

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Legal Events

Date Code Title Description
PL Patent ceased