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
Application number
FI885762A
Other languages
English (en)
Other versions
FI885762A (fi
Inventor
Jean-Michel Callemyn
Ludvik Davidovic
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of FI885762A0 publication Critical patent/FI885762A0/fi
Publication of FI885762A publication Critical patent/FI885762A/fi

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)
  • Dram (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Memory System (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
FI885762A 1987-12-23 1988-12-13 Grafiskt system med medel foer att styra uppfriskningen av dram. FI885762A (fi)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
KR960016740B1 (ko) 1996-12-20
FI885762A (fi) 1989-06-24
KR890010725A (ko) 1989-08-10
FR2625363A1 (fr) 1989-06-30
EP0322067A1 (fr) 1989-06-28
FR2625363B1 (fr) 1990-05-04
JPH021899A (ja) 1990-01-08

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Legal Events

Date Code Title Description
FD Application lapsed
FD Application lapsed

Owner name: PHILIPS ELECTRONICS N.V.