EP0477843A3 - Image display system - Google Patents

Image display system Download PDF

Info

Publication number
EP0477843A3
EP0477843A3 EP19910116212 EP91116212A EP0477843A3 EP 0477843 A3 EP0477843 A3 EP 0477843A3 EP 19910116212 EP19910116212 EP 19910116212 EP 91116212 A EP91116212 A EP 91116212A EP 0477843 A3 EP0477843 A3 EP 0477843A3
Authority
EP
European Patent Office
Prior art keywords
image display
display system
image
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.)
Granted
Application number
EP19910116212
Other versions
EP0477843A2 (en
EP0477843B1 (en
Inventor
Takaharu Nakamura
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.)
NEC Corp
Original Assignee
NEC 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
Priority claimed from JP2254895A external-priority patent/JPH04132480A/en
Priority claimed from JP27991990A external-priority patent/JP2626232B2/en
Application filed by NEC Corp filed Critical NEC Corp
Publication of EP0477843A2 publication Critical patent/EP0477843A2/en
Publication of EP0477843A3 publication Critical patent/EP0477843A3/en
Application granted granted Critical
Publication of EP0477843B1 publication Critical patent/EP0477843B1/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
    • 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
    • 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

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)
EP91116212A 1990-09-25 1991-09-24 Image display system Expired - Lifetime EP0477843B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP254895/90 1990-09-25
JP2254895A JPH04132480A (en) 1990-09-25 1990-09-25 Picture display system
JP279919/90 1990-10-18
JP27991990A JP2626232B2 (en) 1990-10-18 1990-10-18 Image multi display method

Publications (3)

Publication Number Publication Date
EP0477843A2 EP0477843A2 (en) 1992-04-01
EP0477843A3 true EP0477843A3 (en) 1993-01-27
EP0477843B1 EP0477843B1 (en) 1996-07-10

Family

ID=26541899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91116212A Expired - Lifetime EP0477843B1 (en) 1990-09-25 1991-09-24 Image display system

Country Status (3)

Country Link
EP (1) EP0477843B1 (en)
CA (1) CA2052179C (en)
DE (1) DE69120755T2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9424809D0 (en) * 1994-12-08 1995-02-08 Philips Electronics Uk Ltd Variable display rate image coding
JP3377667B2 (en) * 1995-12-25 2003-02-17 株式会社日立製作所 Image display device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309700A (en) * 1980-05-22 1982-01-05 Technology Marketing, Inc. Cathode ray tube controller
EP0099989A2 (en) * 1982-06-28 1984-02-08 Kabushiki Kaisha Toshiba Image display control apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309700A (en) * 1980-05-22 1982-01-05 Technology Marketing, Inc. Cathode ray tube controller
EP0099989A2 (en) * 1982-06-28 1984-02-08 Kabushiki Kaisha Toshiba Image display control apparatus

Also Published As

Publication number Publication date
DE69120755T2 (en) 1996-11-07
EP0477843A2 (en) 1992-04-01
CA2052179C (en) 1996-01-16
DE69120755D1 (en) 1996-08-14
CA2052179A1 (en) 1992-03-26
EP0477843B1 (en) 1996-07-10

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