FI885762A0 - Grafiskt system med medel foer att styra uppfriskningen av dram. - Google Patents
Grafiskt system med medel foer att styra uppfriskningen av dram.Info
- Publication number
- FI885762A0 FI885762A0 FI885762A FI885762A FI885762A0 FI 885762 A0 FI885762 A0 FI 885762A0 FI 885762 A FI885762 A FI 885762A FI 885762 A FI885762 A FI 885762A FI 885762 A0 FI885762 A0 FI 885762A0
- Authority
- FI
- Finland
- Prior art keywords
- uppfriskningen
- grafiskt
- dram
- foer att
- medel foer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
-
- 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
- G09G5/001—Arbitration of resources in a display system, e.g. control of access to frame buffer by video controller and/or main processor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/406—Management or control of the refreshing or charge-regeneration cycles
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
- Dram (AREA)
- Memory System (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8718042A FR2625363B1 (fr) | 1987-12-23 | 1987-12-23 | Systeme graphique avec des moyens de controle de rafraichissement de la dram |
Publications (2)
Publication Number | Publication Date |
---|---|
FI885762A0 true FI885762A0 (fi) | 1988-12-13 |
FI885762A FI885762A (fi) | 1989-06-24 |
Family
ID=9358233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI885762A FI885762A (fi) | 1987-12-23 | 1988-12-13 | Grafiskt system med medel foer att styra uppfriskningen av dram. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0322067A1 (fi) |
JP (1) | JPH021899A (fi) |
KR (1) | KR960016740B1 (fi) |
FI (1) | FI885762A (fi) |
FR (1) | FR2625363B1 (fi) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4482979A (en) * | 1982-02-04 | 1984-11-13 | May George A | Video computing system with automatically refreshed memory |
-
1987
- 1987-12-23 FR FR8718042A patent/FR2625363B1/fr not_active Expired - Lifetime
-
1988
- 1988-12-13 FI FI885762A patent/FI885762A/fi not_active Application Discontinuation
- 1988-12-14 JP JP63313973A patent/JPH021899A/ja active Pending
- 1988-12-19 EP EP88202955A patent/EP0322067A1/fr not_active Withdrawn
- 1988-12-21 KR KR1019880017092A patent/KR960016740B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
FR2625363B1 (fr) | 1990-05-04 |
EP0322067A1 (fr) | 1989-06-28 |
JPH021899A (ja) | 1990-01-08 |
KR960016740B1 (ko) | 1996-12-20 |
FR2625363A1 (fr) | 1989-06-30 |
FI885762A (fi) | 1989-06-24 |
KR890010725A (ko) | 1989-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed | ||
FD | Application lapsed |
Owner name: PHILIPS ELECTRONICS N.V. |