GB201021154D0 - Scaling of graphical data - Google Patents

Scaling of graphical data

Info

Publication number
GB201021154D0
GB201021154D0 GB201021154A GB201021154A GB201021154D0 GB 201021154 D0 GB201021154 D0 GB 201021154D0 GB 201021154 A GB201021154 A GB 201021154A GB 201021154 A GB201021154 A GB 201021154A GB 201021154 D0 GB201021154 D0 GB 201021154D0
Authority
GB
United Kingdom
Prior art keywords
scaling
graphical data
display
data
display device
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.)
Granted
Application number
GB201021154A
Other versions
GB2486431A (en
GB2486431B (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.)
DisplayLink UK Ltd
Original Assignee
DisplayLink UK Ltd
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 DisplayLink UK Ltd filed Critical DisplayLink UK Ltd
Priority to GB201021154A priority Critical patent/GB2486431B/en
Publication of GB201021154D0 publication Critical patent/GB201021154D0/en
Publication of GB2486431A publication Critical patent/GB2486431A/en
Application granted granted Critical
Publication of GB2486431B publication Critical patent/GB2486431B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/006—Details of the interface to the display terminal
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Information Transfer Systems (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

A display system comprises a data processing device 10, a display device 12b and a display control device 22 connected to the data processing device, such as via a USB connection, and to the display device, for example by a VGA connection. The data processing device performs a scaling of graphical data to an integer divisor of a display area dimension of the display device. The scaled graphical data is transmitted to the display control device which performs a second scaling of the received scaled graphical data, thereby scaling the scaled graphical data to the display area dimension and transmits the twice scaled graphical data to the display device. The display device receives and displays the twice scaled graphical data. The scaling performed by the data processing device may be non-linear downscaling to reduce the amount of graphical data to below the USB connection bandwidth. The second scaling may be simple linear upscaling.
GB201021154A 2010-12-14 2010-12-14 Scaling of graphical data Active GB2486431B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201021154A GB2486431B (en) 2010-12-14 2010-12-14 Scaling of graphical data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201021154A GB2486431B (en) 2010-12-14 2010-12-14 Scaling of graphical data

Publications (3)

Publication Number Publication Date
GB201021154D0 true GB201021154D0 (en) 2011-01-26
GB2486431A GB2486431A (en) 2012-06-20
GB2486431B GB2486431B (en) 2013-10-09

Family

ID=43567136

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201021154A Active GB2486431B (en) 2010-12-14 2010-12-14 Scaling of graphical data

Country Status (1)

Country Link
GB (1) GB2486431B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10657674B2 (en) 2016-06-17 2020-05-19 Immersive Robotics Pty Ltd. Image compression method and apparatus
US11150857B2 (en) 2017-02-08 2021-10-19 Immersive Robotics Pty Ltd Antenna control for mobile device communication
US11553187B2 (en) 2017-11-21 2023-01-10 Immersive Robotics Pty Ltd Frequency component selection for image compression
TW201926992A (en) 2017-11-21 2019-07-01 澳大利亞商伊門斯機器人控股有限公司 Image compression for digital reality

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7203788B2 (en) * 2002-12-11 2007-04-10 Magic Control Technology Corporation USB-to-VGA converter
JP5148505B2 (en) * 2005-12-14 2013-02-20 ▲聯▼想（北京）有限公司 Display system and method
KR101005094B1 (en) * 2006-09-06 2010-12-30 노키아 코포레이션 Mobile terminal device, dongle and external display device having an enhanced video display interface
JP4543116B1 (en) * 2009-03-10 2010-09-15 株式会社東芝 Image processing apparatus and image processing method

Also Published As

Publication number Publication date
GB2486431A (en) 2012-06-20
GB2486431B (en) 2013-10-09

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Legal Events

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732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20121004 AND 20121010