GB2021905B - Display systems and control systems therefor - Google Patents

Display systems and control systems therefor

Info

Publication number
GB2021905B
GB2021905B GB7916123A GB7916123A GB2021905B GB 2021905 B GB2021905 B GB 2021905B GB 7916123 A GB7916123 A GB 7916123A GB 7916123 A GB7916123 A GB 7916123A GB 2021905 B GB2021905 B GB 2021905B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
systems
therefor
display
control
control systems
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
GB7916123A
Other versions
GB2021905A (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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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
Grant date

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/20Function-generator circuits, e.g. circle generators line or curve smoothing circuits
GB7916123A 1978-05-12 1979-05-12 Display systems and control systems therefor Expired GB2021905B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1929678 1978-05-12
GB7916123A GB2021905B (en) 1978-05-12 1979-05-12 Display systems and control systems therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7916123A GB2021905B (en) 1978-05-12 1979-05-12 Display systems and control systems therefor

Publications (2)

Publication Number Publication Date
GB2021905A true GB2021905A (en) 1979-12-05
GB2021905B true GB2021905B (en) 1982-03-31

Family

ID=26253972

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7916123A Expired GB2021905B (en) 1978-05-12 1979-05-12 Display systems and control systems therefor

Country Status (1)

Country Link
GB (1) GB2021905B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479622B1 (en) * 1980-03-28 1985-08-23 Sfena Method of smoothing curves generated by television scanning
DE3587272T2 (en) * 1984-01-30 1993-07-29 Sextant Avionique A method and apparatus for forming a smooth curve in a rasterized display device.
US4616217A (en) * 1981-05-22 1986-10-07 The Marconi Company Limited Visual simulators, computer generated imagery, and display systems
JPH01116683A (en) * 1987-10-23 1989-05-09 Rockwell Internatl Corp Method for displaying dot of matrix display
US5440676A (en) * 1988-01-29 1995-08-08 Tektronix, Inc. Raster scan waveform display rasterizer with pixel intensity gradation

Also Published As

Publication number Publication date Type
GB2021905A (en) 1979-12-05 application

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990511