JPS6491175A - Display device - Google Patents

Display device

Info

Publication number
JPS6491175A
JPS6491175A JP62249213A JP24921387A JPS6491175A JP S6491175 A JPS6491175 A JP S6491175A JP 62249213 A JP62249213 A JP 62249213A JP 24921387 A JP24921387 A JP 24921387A JP S6491175 A JPS6491175 A JP S6491175A
Authority
JP
Japan
Prior art keywords
display control
control part
color display
luminance
luminance signal
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.)
Pending
Application number
JP62249213A
Other languages
Japanese (ja)
Inventor
Minoru Jinnai
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.)
Fanuc Corp
Original Assignee
Fanuc 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 Fanuc Corp filed Critical Fanuc Corp
Priority to JP62249213A priority Critical patent/JPS6491175A/en
Priority to PCT/JP1988/001003 priority patent/WO1989003108A1/en
Publication of JPS6491175A publication Critical patent/JPS6491175A/en
Pending 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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/028—Circuits for converting colour display signals into monochrome display signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Digital Computer Display Output (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

PURPOSE: To plot a picture having a contrast by regarding red, green, and blue video signals from a color display control part as three-bit binary data and converting this data to an 8-stage luminance signal by a on converter and modulating the luminance of a monochromatic CRT. CONSTITUTION: Red, green, and blue video signals outputted from a color display control part 11 are regarded as three-bit binary data, and this data is converted to a luminance signal corresponding to 8-stage lightness by a DA converter 12, and the luminance of a monochromatic cathode-ray tube 13 is modulated by this luminance signal to plot a picture having a contrast. Thus, the existing color display control part can be used, and further, brightness is easily displayed, and three-dimensional graphics are vividly monochromatically plotted.
JP62249213A 1987-10-02 1987-10-02 Display device Pending JPS6491175A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62249213A JPS6491175A (en) 1987-10-02 1987-10-02 Display device
PCT/JP1988/001003 WO1989003108A1 (en) 1987-10-02 1988-09-30 Display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62249213A JPS6491175A (en) 1987-10-02 1987-10-02 Display device

Publications (1)

Publication Number Publication Date
JPS6491175A true JPS6491175A (en) 1989-04-10

Family

ID=17189597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62249213A Pending JPS6491175A (en) 1987-10-02 1987-10-02 Display device

Country Status (2)

Country Link
JP (1) JPS6491175A (en)
WO (1) WO1989003108A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0500327B1 (en) * 1991-02-20 1998-09-30 Canon Kabushiki Kaisha Image processing apparatus

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57188086A (en) * 1981-05-14 1982-11-18 Fujitsu Ltd Composite video signal synthesizing system
JPS57188087A (en) * 1981-05-14 1982-11-18 Fujitsu Ltd Composite video signal synthesizing system
JPS58195881A (en) * 1982-05-11 1983-11-15 株式会社日立製作所 Ct display
JPS5977487A (en) * 1983-09-19 1984-05-02 日本電気株式会社 Pattern display driver
JPS61130984A (en) * 1984-11-30 1986-06-18 株式会社東芝 Display controller
JPS61144689A (en) * 1984-12-19 1986-07-02 日本電気株式会社 Contrast level control system
JPS61198275A (en) * 1985-02-28 1986-09-02 株式会社東芝 Monochromatic contrast display unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS612693U (en) * 1984-06-12 1986-01-09 東芝オ−デイオ・ビデオエンジニアリング株式会社 color display device
JPS62102286A (en) * 1985-10-30 1987-05-12 株式会社日立製作所 Display unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57188086A (en) * 1981-05-14 1982-11-18 Fujitsu Ltd Composite video signal synthesizing system
JPS57188087A (en) * 1981-05-14 1982-11-18 Fujitsu Ltd Composite video signal synthesizing system
JPS58195881A (en) * 1982-05-11 1983-11-15 株式会社日立製作所 Ct display
JPS5977487A (en) * 1983-09-19 1984-05-02 日本電気株式会社 Pattern display driver
JPS61130984A (en) * 1984-11-30 1986-06-18 株式会社東芝 Display controller
JPS61144689A (en) * 1984-12-19 1986-07-02 日本電気株式会社 Contrast level control system
JPS61198275A (en) * 1985-02-28 1986-09-02 株式会社東芝 Monochromatic contrast display unit

Also Published As

Publication number Publication date
WO1989003108A1 (en) 1989-04-06

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