GB8501598D0 - Dma for digital computer system - Google Patents

Dma for digital computer system

Info

Publication number: GB8501598D0
Authority: GB; United Kingdom
Prior art keywords: dma; computer system; digital computer; digital; computer
Prior art date: 1984-01-23
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

GB858501598A

Other versions

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.)

Raytheon Co

Original Assignee

Raytheon Co

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.)

1984-01-23

Filing date

1985-01-22

Publication date

1985-02-20

1985-01-22 Application filed by Raytheon Co filed Critical Raytheon Co

1985-02-20 Publication of GB8501598D0 publication Critical patent/GB8501598D0/en

1985-08-14 Publication of GB2153119A publication Critical patent/GB2153119A/en

1987-12-09 Application granted granted Critical

1987-12-09 Publication of GB2153119B publication Critical patent/GB2153119B/en

Status Expired legal-status Critical Current

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
- G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
- G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Physics & Mathematics (AREA)
General Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Multi Processors (AREA)
Dram (AREA)
Bus Control (AREA)

GB08501598A 1984-01-23 1985-01-22 Dma for digital computer system Expired GB2153119B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US57279984A	1984-01-23	1984-01-23

Publications (3)

Publication Number	Publication Date
GB8501598D0 true GB8501598D0 (en)	1985-02-20
GB2153119A GB2153119A (en)	1985-08-14
GB2153119B GB2153119B (en)	1987-12-09

Family

ID=24289398

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08501598A Expired GB2153119B (en)	1984-01-23	1985-01-22	Dma for digital computer system

Country Status (4)

Country	Link
CA (1)	CA1218161A (en)
DE (1)	DE3501997C2 (en)
FR (1)	FR2558616B1 (en)
GB (1)	GB2153119B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4271466A (en) *	1975-02-20	1981-06-02	Panafacom Limited	Direct memory access control system with byte/word control of data bus
US4075691A (en) *	1975-11-06	1978-02-21	Bunker Ramo Corporation	Communication control unit
JPS533029A (en) *	1976-06-30	1978-01-12	Toshiba Corp	Electronic computer
JPS5454540A (en) *	1977-10-11	1979-04-28	Hitachi Ltd	Data buscontrol system
IT1091633B (en) *	1977-12-30	1985-07-06	Olivetti C Ing E C Spa	DEVICE FOR THE MANAGEMENT OF DIRECT ACCESS TO THE MEMORY OF A COMPUTER
JPS5789128A (en) *	1980-11-25	1982-06-03	Hitachi Ltd	Controlling system for information interchange
US4543627A (en) *	1981-12-14	1985-09-24	At&T Bell Laboratories	Internal communication arrangement for a multiprocessor system

1985
- 1985-01-11 CA CA000471896A patent/CA1218161A/en not_active Expired
- 1985-01-22 DE DE19853501997 patent/DE3501997C2/en not_active Expired - Lifetime
- 1985-01-22 GB GB08501598A patent/GB2153119B/en not_active Expired
- 1985-01-23 FR FR8500918A patent/FR2558616B1/en not_active Expired

Also Published As

Publication number	Publication date
DE3501997A1 (en)	1985-07-25
GB2153119B (en)	1987-12-09
FR2558616A1 (en)	1985-07-26
FR2558616B1 (en)	1988-12-02
CA1218161A (en)	1987-02-17
GB2153119A (en)	1985-08-14
DE3501997C2 (en)	1996-03-14

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Legal Events

Date	Code	Title	Description
1999-09-29	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2005-02-16	PE20	Patent expired after termination of 20 years	Effective date: 20050121