GB2011767A – Color display using auxiliary memory for color information
– Google Patents
GB2011767A – Color display using auxiliary memory for color information
– Google Patents
Color display using auxiliary memory for color information
Info
Publication number
GB2011767A
GB2011767A
GB7849061A
GB7849061A
GB2011767A
GB 2011767 A
GB2011767 A
GB 2011767A
GB 7849061 A
GB7849061 A
GB 7849061A
GB 7849061 A
GB7849061 A
GB 7849061A
GB 2011767 A
GB2011767 A
GB 2011767A
Authority
GB
United Kingdom
Prior art keywords
color
data
auxiliary memory
dot elements
display
Prior art date
1977-12-27
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
GB7849061A
Other versions
GB2011767B
(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.)
1977-12-27
Filing date
1978-12-19
Publication date
1979-07-11
1977-12-27
Priority claimed from US05/864,765
external-priority
patent/US4206457A/en
1977-12-27
Priority claimed from US05/864,764
external-priority
patent/US4149152A/en
1978-12-19
Application filed by RCA Corp
filed
Critical
RCA Corp
1979-07-11
Publication of GB2011767A
publication
Critical
patent/GB2011767A/en
1982-05-12
Application granted
granted
Critical
1982-05-12
Publication of GB2011767B
publication
Critical
patent/GB2011767B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
Abstract
Information is displayed in color on a raster by supplying luminance data for dot elements in the lines and color data for the color of contiguous dot elements in sub-arrays less than a complete line long. Thus the storage required for the color data plus the luminance data is reduced, yet it permits a variation of color within a line. The system includes a data memory (2) for the luminance data for the dot elements, a (smaller) auxiliary memory (3) for the color data, and control means (1) controlling the addressing of the memories and the operation of logic means (flip-flops 9-12, gates 7, 8, 17, 18, 27, 28) to generate from the data signals operating the display.
GB7849061A
1977-12-27
1978-12-19
Colour display using auxiliary memory for colour information
Expired
GB2011767B
(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
GB2011767A
true
GB2011767A
(en)
1979-07-11
GB2011767B
GB2011767B
(en)
1982-05-12
Family
ID=27127853
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7849061A
Expired
GB2011767B
(en)
1977-12-27
1978-12-19
Colour display using auxiliary memory for colour information
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)
Families Citing this family (9)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2944144A1
(en)
*
1979-11-02
1981-05-14
Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt
VIDEO CODING SYSTEM FOR LETTERS
JPS5716487A
(en)
*
1980-04-11
1982-01-27
Ampex
Computer graphic system
JPS5779990A
(en)
*
1980-11-06
1982-05-19
Sony Corp
Display device
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
Family Cites Families (10)
* 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
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
JPS5027332B1
(en)
*
1969-10-08
1975-09-06
US3624634A
(en)
*
1969-12-22
1971-11-30
Rca Corp
Color display
DE2144935C3
(en)
*
1970-09-09
1975-10-02
Hitachi, Ltd., Tokio
Color display device
JPS5027332A
(en)
*
1973-07-16
1975-03-20
GB1452489A
(en)
*
1973-12-20
1976-10-13
Int Computers Ltd
Colour display apparatus
JPS559742B2
(en)
*
1974-06-20
1980-03-12
JPS5227325A
(en)
*
1975-08-27
1977-03-01
Nec Corp
Color crt display equiment
1978
1978-12-19
GB
GB7849061A
patent/GB2011767B/en
not_active
Expired
1978-12-21
JP
JP15909278A
patent/JPS54105923A/en
active
Pending
1978-12-22
DE
DE19782855731
patent/DE2855731C2/en
not_active
Expired
1978-12-22
IT
IT3129478A
patent/IT1101139B/en
active
1978-12-27
FR
FR7836525A
patent/FR2413836B1/en
not_active
Expired
Also Published As
Publication number
Publication date
DE2855731C2
(en)
1982-05-27
GB2011767B
(en)
1982-05-12
IT1101139B
(en)
1985-09-28
IT7831294D0
(en)
1978-12-22
FR2413836A1
(en)
1979-07-27
JPS54105923A
(en)
1979-08-20
FR2413836B1
(en)
1985-08-09
DE2855731A1
(en)
1979-06-28
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Legal Events
Date
Code
Title
Description
1993-08-18
PCNP
Patent ceased through non-payment of renewal fee
Effective date:
19921219
