GB2237713A - Display controller - Google Patents

Display controller

Info

Publication number
GB2237713A
GB2237713A GB8928519A GB8928519A GB2237713A GB 2237713 A GB2237713 A GB 2237713A GB 8928519 A GB8928519 A GB 8928519A GB 8928519 A GB8928519 A GB 8928519A GB 2237713 A GB2237713 A GB 2237713A
Authority
GB
United Kingdom
Prior art keywords
display
data
display controller
setting
indicate
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
GB8928519A
Other versions
GB2237713B (en
GB8928519D0 (en
Inventor
Fumitaka Nishikawa
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of GB8928519D0 publication Critical patent/GB8928519D0/en
Publication of GB2237713A publication Critical patent/GB2237713A/en
Application granted granted Critical
Publication of GB2237713B publication Critical patent/GB2237713B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • 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
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/391—Resolution modifying circuits, e.g. variable screen formats
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0232—Special driving of display border areas
    • 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
    • G09G2340/0464—Positioning
    • G09G2340/0471—Vertical positioning
    • 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
    • G09G2340/0464—Positioning
    • G09G2340/0478—Horizontal positioning
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/02—Graphics controller able to handle multiple formats, e.g. input or output formats

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of El Displays (AREA)

Abstract

A display controller for controlling the display comprising first setting means for setting first data that indicate a first display size with which the display can be made, second setting means for setting second data that indicate a second display size used for the display, and control means which produces display data to produce display on said display region defined based on said first and second data.
GB8928519A 1988-04-27 1989-12-18 Display controller Expired - Lifetime GB2237713B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10483188 1988-04-27
JP1074226A JPH0234894A (en) 1988-04-27 1989-03-27 Display controller
PCT/JP1989/000405 WO1989010609A1 (en) 1988-04-27 1989-04-14 Display controller

Publications (3)

Publication Number Publication Date
GB8928519D0 GB8928519D0 (en) 1990-07-04
GB2237713A true GB2237713A (en) 1991-05-08
GB2237713B GB2237713B (en) 1992-08-12

Family

ID=26415350

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8928519A Expired - Lifetime GB2237713B (en) 1988-04-27 1989-12-18 Display controller

Country Status (5)

Country Link
JP (1) JPH0234894A (en)
KR (1) KR970008783B1 (en)
GB (1) GB2237713B (en)
HK (1) HK171795A (en)
WO (1) WO1989010609A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0502600A2 (en) * 1991-03-05 1992-09-09 nVIEW CORPORATION Method and apparatus for displaying RGB and sync video without auxiliary frame storage memory
EP0540294A2 (en) * 1991-10-28 1993-05-05 Canon Kabushiki Kaisha Display control device and display apparatus with display control device
US5406308A (en) * 1993-02-01 1995-04-11 Nec Corporation Apparatus for driving liquid crystal display panel for different size images
US5442372A (en) * 1993-01-05 1995-08-15 Nec Corporation Apparatus for driving liquid crystal display panel for small size image
US5592194A (en) * 1988-04-27 1997-01-07 Seiko Epson Corporation Display controller

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5818417A (en) * 1992-06-22 1998-10-06 Vlsi Technology, Inc. Automatic virtual display panning circuit for providing VGA display data to a lower resolution display and method therefor
US5859649A (en) * 1995-05-15 1999-01-12 Motorola, Inc. Data processing system having display controller with bursting direct memory access
JP3572473B2 (en) 1997-01-30 2004-10-06 株式会社ルネサステクノロジ Liquid crystal display control device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859490A (en) * 1981-10-06 1983-04-08 株式会社東芝 Display controller
JPS5922585A (en) * 1983-03-04 1984-02-04 アップリカ葛西株式会社 Block toy

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922585Y2 (en) * 1979-07-11 1984-07-05 株式会社日立製作所 Display device control circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859490A (en) * 1981-10-06 1983-04-08 株式会社東芝 Display controller
JPS5922585A (en) * 1983-03-04 1984-02-04 アップリカ葛西株式会社 Block toy

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592194A (en) * 1988-04-27 1997-01-07 Seiko Epson Corporation Display controller
EP0502600A2 (en) * 1991-03-05 1992-09-09 nVIEW CORPORATION Method and apparatus for displaying RGB and sync video without auxiliary frame storage memory
EP0502600A3 (en) * 1991-03-05 1993-02-03 Nview Corporation Method and apparatus for displaying rgb and sync video without auxiliary frame storage memory
EP0540294A2 (en) * 1991-10-28 1993-05-05 Canon Kabushiki Kaisha Display control device and display apparatus with display control device
EP0540294A3 (en) * 1991-10-28 1993-12-15 Canon Kk Display control device and display apparatus with display control device
US5805149A (en) * 1991-10-28 1998-09-08 Canon Kabushiki Kaisha Display control device and display apparatus with display control device
US5442372A (en) * 1993-01-05 1995-08-15 Nec Corporation Apparatus for driving liquid crystal display panel for small size image
US5406308A (en) * 1993-02-01 1995-04-11 Nec Corporation Apparatus for driving liquid crystal display panel for different size images

Also Published As

Publication number Publication date
KR970008783B1 (en) 1997-05-29
GB2237713B (en) 1992-08-12
HK171795A (en) 1995-11-17
KR900700985A (en) 1990-08-17
JPH0234894A (en) 1990-02-05
WO1989010609A1 (en) 1989-11-02
GB8928519D0 (en) 1990-07-04

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Legal Events

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

Expiry date: 20090413