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CA923591A - Character generator for producing characters on the screen of a cathode-ray tube - Google Patents

Character generator for producing characters on the screen of a cathode-ray tube

Info

Publication number
CA923591A
CA923591A CA106866A CA106866A CA923591A CA 923591 A CA923591 A CA 923591A CA 106866 A CA106866 A CA 106866A CA 106866 A CA106866 A CA 106866A CA 923591 A CA923591 A CA 923591A
Authority
CA
Canada
Prior art keywords
cathode
screen
ray tube
character generator
producing characters
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
CA106866A
Other versions
CA106866S (en
Inventor
Dandrel Pierre
Moreau Jean-Francois
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA923591A publication Critical patent/CA923591A/en
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Digital Computer Display Output (AREA)
CA106866A 1970-03-05 1971-03-04 Character generator for producing characters on the screen of a cathode-ray tube Expired CA923591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7007946A FR2044615A5 (en) 1970-03-05 1970-03-05

Publications (1)

Publication Number Publication Date
CA923591A true CA923591A (en) 1973-03-27

Family

ID=9051753

Family Applications (1)

Application Number Title Priority Date Filing Date
CA106866A Expired CA923591A (en) 1970-03-05 1971-03-04 Character generator for producing characters on the screen of a cathode-ray tube

Country Status (8)

Country Link
US (1) US3755805A (en)
CA (1) CA923591A (en)
CH (1) CH536520A (en)
DE (1) DE2107005A1 (en)
FR (1) FR2044615A5 (en)
GB (1) GB1350480A (en)
NL (1) NL7102660A (en)
SE (1) SE358494B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952297A (en) * 1974-08-01 1976-04-20 Raytheon Company Constant writing rate digital stroke character generator having minimal data storage requirements
JPS5537502A (en) * 1978-08-07 1980-03-15 Hitachi Ltd Electronic engine controller
US4239351A (en) * 1978-09-26 1980-12-16 Baylor College Of Medicine Apparatus for generating and displaying visual acuity targets
US4237458A (en) * 1979-06-25 1980-12-02 International Business Machines Corporation Stroke expansion apparatus
JPS59105685A (en) * 1982-12-09 1984-06-19 アルプス電気株式会社 Generation of character pattern
EP0130245B1 (en) * 1983-06-30 1989-01-18 International Business Machines Corporation Method of storing characters in a display system
US5233335A (en) * 1989-06-22 1993-08-03 Hughes Aircraft Company Symbol/raster generator for CRT display
US8594391B2 (en) * 2004-05-06 2013-11-26 Avago Technologies General Ip (Singapore) Pte. Ltd. Finger-based identification systems and methods

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329948A (en) * 1963-05-03 1967-07-04 Burroughs Corp Symbol generating apparatus
US3281831A (en) * 1964-07-02 1966-10-25 Burroughs Corp Character generator apparatus including function generator employing memory matrix
US3533096A (en) * 1967-09-01 1970-10-06 Sanders Associates Inc Character display system
US3539860A (en) * 1969-04-01 1970-11-10 Adage Inc Vector generator

Also Published As

Publication number Publication date
NL7102660A (en) 1971-09-07
DE2107005A1 (en) 1971-09-23
SE358494B (en) 1973-07-30
FR2044615A5 (en) 1971-02-19
GB1350480A (en) 1974-04-18
CH536520A (en) 1973-04-30
US3755805A (en) 1973-08-28

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