CA998756A - Display device with means for drawing vectors - Google Patents

Display device with means for drawing vectors

Info

Publication number
CA998756A
CA998756A CA173,510A CA173510A CA998756A CA 998756 A CA998756 A CA 998756A CA 173510 A CA173510 A CA 173510A CA 998756 A CA998756 A CA 998756A
Authority
CA
Canada
Prior art keywords
display device
drawing vectors
vectors
display
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
CA173,510A
Other languages
English (en)
Other versions
CA173510S (en
Inventor
Herve E. Lavoie
Leonard F. Halio
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.)
Digital Equipment Corp
Original Assignee
Digital Equipment 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
Application filed by Digital Equipment Corp filed Critical Digital Equipment Corp
Application granted granted Critical
Publication of CA998756A publication Critical patent/CA998756A/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

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)
  • Details Of Television Scanning (AREA)
  • Controls And Circuits For Display Device (AREA)
CA173,510A 1972-06-08 1973-06-07 Display device with means for drawing vectors Expired CA998756A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00260897A US3800183A (en) 1972-06-08 1972-06-08 Display device with means for drawing vectors

Publications (1)

Publication Number Publication Date
CA998756A true CA998756A (en) 1976-10-19

Family

ID=22991105

Family Applications (1)

Application Number Title Priority Date Filing Date
CA173,510A Expired CA998756A (en) 1972-06-08 1973-06-07 Display device with means for drawing vectors

Country Status (7)

Country Link
US (1) US3800183A (enrdf_load_stackoverflow)
JP (1) JPS4963344A (enrdf_load_stackoverflow)
CA (1) CA998756A (enrdf_load_stackoverflow)
DE (1) DE2329446A1 (enrdf_load_stackoverflow)
FR (1) FR2188877A5 (enrdf_load_stackoverflow)
GB (1) GB1393653A (enrdf_load_stackoverflow)
IE (1) IE38117B1 (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115863A (en) * 1976-12-07 1978-09-19 Sperry Rand Corporation Digital stroke display with vector, circle and character generation capability
US4199815A (en) 1978-05-12 1980-04-22 Electra Corporation Typesetter character generating apparatus
US4298945A (en) * 1978-05-12 1981-11-03 Eltra Corporation Character generating method and apparatus
US4218751A (en) * 1979-03-07 1980-08-19 International Business Machines Corporation Absolute difference generator for use in display systems
US4254468A (en) * 1979-05-03 1981-03-03 Eltra Corporation Typesetter character generating apparatus
US4365305A (en) * 1981-01-05 1982-12-21 Western Electric Company, Inc. Vector generator for computer graphics
US4491925A (en) * 1981-06-19 1985-01-01 Raytheon Company Precision time tracking line generator
US4500879A (en) * 1982-01-06 1985-02-19 Smith Engineering Circuitry for controlling a CRT beam
US4532504A (en) * 1982-09-09 1985-07-30 Sperry Corporation Slew length timer
US4686642A (en) * 1984-10-18 1987-08-11 Etak, Inc. Method and apparatus for generating a stroke on a display

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544835A (en) * 1966-04-15 1970-12-01 Ametek Inc Digitally controlled generation of a trace
US3582705A (en) * 1969-07-15 1971-06-01 Information Int Inc Vector display system
US3586874A (en) * 1969-08-13 1971-06-22 Gen Electric Integrated circuit periodic ramp generator

Also Published As

Publication number Publication date
GB1393653A (en) 1975-05-07
JPS4963344A (enrdf_load_stackoverflow) 1974-06-19
IE38117B1 (en) 1978-01-04
FR2188877A5 (enrdf_load_stackoverflow) 1974-01-18
IE38117L (en) 1973-12-08
DE2329446A1 (de) 1973-12-20
US3800183A (en) 1974-03-26

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