FR2413836A1 - DIGITAL COLOR DISPLAY DEVICE - Google Patents

DIGITAL COLOR DISPLAY DEVICE

Info

Publication number
FR2413836A1
FR2413836A1 FR7836525A FR7836525A FR2413836A1 FR 2413836 A1 FR2413836 A1 FR 2413836A1 FR 7836525 A FR7836525 A FR 7836525A FR 7836525 A FR7836525 A FR 7836525A FR 2413836 A1 FR2413836 A1 FR 2413836A1
Authority
FR
France
Prior art keywords
memory
display device
color
color display
digital color
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
FR7836525A
Other languages
French (fr)
Other versions
FR2413836B1 (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.)
RCA Corp
Original Assignee
RCA 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 US05/864,765 external-priority patent/US4206457A/en
Priority claimed from US05/864,764 external-priority patent/US4149152A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2413836A1 publication Critical patent/FR2413836A1/en
Application granted granted Critical
Publication of FR2413836B1 publication Critical patent/FR2413836B1/en
Expired 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
    • G09G5/024—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 using colour registers, e.g. to control background, foreground, surface filling

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)
  • Processing Of Color Television Signals (AREA)
  • Digital Computer Display Output (AREA)

Abstract

L'INVENTION CONCERNE LES DISPOSITIFS D'AFFICHAGE D'INFORMATION. UN DISPOSITIF D'AFFICHAGE D'INFORMATION EN COULEUR SUR UN ECRAN DE TELEVISION COMPREND NOTAMMENT UNE MEMOIRE DE DONNEES 2 ET UNE MEMOIRE AUXILIAIRE 3. LA MEMOIRE 2 ENREGISTRE L'INFORMATION DE LUMINANCE, TANDIS QUE LA MEMOIRE 3, DE PLUS FAIBLE CAPACITE, ENREGISTRE UNE INFORMATION QUI DEFINIT DES BLOCS DE COULEUR A REPRESENTER SUR L'ECRAN. CETTE CONFIGURATION PERMET DE REPRESENTER UNE IMAGE EN COULEUR SANS TRIPLER LA CAPACITE DE MEMOIRE NECESSAIRE PAR RAPPORT A UNE IMAGE EN NOIR ET BLANC. APPLICATION AUX JEUX VIDEO.THE INVENTION RELATES TO INFORMATION DISPLAY DEVICES. A COLOR INFORMATION DISPLAY DEVICE ON A TELEVISION SCREEN INCLUDES IN PARTICULAR A DATA MEMORY 2 AND AN AUXILIARY MEMORY 3. MEMORY 2 RECORDS LUMINANCE INFORMATION, WHILE MEMORY 3, OF LOWER CAPACITY, RECORDS INFORMATION THAT DEFINES BLOCKS OF COLOR TO BE REPRESENTED ON THE SCREEN. THIS CONFIGURATION ALLOWS A COLOR IMAGE TO BE REPRESENTED WITHOUT TRIPPING THE NECESSARY MEMORY CAPACITY OVER A BLACK AND WHITE IMAGE. APPLICATION TO VIDEO GAMES.

FR7836525A 1977-12-27 1978-12-27 COLOR DIGITAL DISPLAY DEVICE Expired FR2413836B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/864,765 US4206457A (en) 1977-12-27 1977-12-27 Color display using auxiliary memory for color information
US05/864,764 US4149152A (en) 1977-12-27 1977-12-27 Color display having selectable off-on and background color control

Publications (2)

Publication Number Publication Date
FR2413836A1 true FR2413836A1 (en) 1979-07-27
FR2413836B1 FR2413836B1 (en) 1985-08-09

Family

ID=27127853

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7836525A Expired FR2413836B1 (en) 1977-12-27 1978-12-27 COLOR DIGITAL DISPLAY DEVICE

Country Status (5)

Country Link
JP (1) JPS54105923A (en)
DE (1) DE2855731C2 (en)
FR (1) FR2413836B1 (en)
GB (1) GB2011767B (en)
IT (1) IT1101139B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468946A1 (en) * 1979-11-02 1981-05-08 Licentia Gmbh VIDEO CODING SYSTEM FOR LETTERS
FR2493573A1 (en) * 1980-11-06 1982-05-07 Sony Corp DISPLAY APPARATUS FOR DISPLAYING AN INFORMATION SIGNAL OF A COMPUTER

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5716487A (en) * 1980-04-11 1982-01-27 Ampex Computer graphic system
JPS57190995A (en) * 1981-05-20 1982-11-24 Mitsubishi Electric Corp Display indicator
DE3223489C2 (en) * 1982-06-24 1985-01-24 Loewe Opta Gmbh, 8640 Kronach Circuit arrangement for the colored display of texts, graphics and symbols on the screen of a monitor or color television receiver
GB2133257B (en) 1982-12-22 1987-07-29 Ricoh Kk T v game system
JPS59229595A (en) * 1983-06-13 1984-12-24 ソニー株式会社 Display driving circuit
US4745407A (en) * 1985-10-30 1988-05-17 Sun Microsystems, Inc. Memory organization apparatus and method
GB2193069B (en) * 1986-07-17 1990-08-29 Toshiba Kk Image frame composing circuit utilizing color look-up table

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624634A (en) * 1969-12-22 1971-11-30 Rca Corp Color display
US3668686A (en) * 1969-06-06 1972-06-06 Honeywell Inc Control apparatus
US3911418A (en) * 1969-10-08 1975-10-07 Matsushita Electric Ind Co Ltd Method and apparatus for independent color control of alphanumeric display and background therefor
US3944999A (en) * 1973-12-20 1976-03-16 International Computers Limited Colour display apparatus
US4016544A (en) * 1974-06-20 1977-04-05 Tokyo Broadcasting System Inc. Memory write-in control system for color graphic display

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1529608A (en) * 1966-12-22 1968-06-21 Electronique & Radio Ind Improvements to electronic systems for displaying plots on line-by-line scanning indicators
JPS5027332B1 (en) * 1969-10-08 1975-09-06
DE2144935C3 (en) * 1970-09-09 1975-10-02 Hitachi, Ltd., Tokio Color display device
JPS5027332A (en) * 1973-07-16 1975-03-20
JPS5227325A (en) * 1975-08-27 1977-03-01 Nec Corp Color crt display equiment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668686A (en) * 1969-06-06 1972-06-06 Honeywell Inc Control apparatus
US3911418A (en) * 1969-10-08 1975-10-07 Matsushita Electric Ind Co Ltd Method and apparatus for independent color control of alphanumeric display and background therefor
US3624634A (en) * 1969-12-22 1971-11-30 Rca Corp Color display
US3944999A (en) * 1973-12-20 1976-03-16 International Computers Limited Colour display apparatus
US4016544A (en) * 1974-06-20 1977-04-05 Tokyo Broadcasting System Inc. Memory write-in control system for color graphic display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468946A1 (en) * 1979-11-02 1981-05-08 Licentia Gmbh VIDEO CODING SYSTEM FOR LETTERS
FR2493573A1 (en) * 1980-11-06 1982-05-07 Sony Corp DISPLAY APPARATUS FOR DISPLAYING AN INFORMATION SIGNAL OF A COMPUTER

Also Published As

Publication number Publication date
GB2011767A (en) 1979-07-11
JPS54105923A (en) 1979-08-20
IT1101139B (en) 1985-09-28
IT7831294A0 (en) 1978-12-22
DE2855731C2 (en) 1982-05-27
GB2011767B (en) 1982-05-12
DE2855731A1 (en) 1979-06-28
FR2413836B1 (en) 1985-08-09

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Legal Events

Date Code Title Description
ST Notification of lapse