DE3783370T2 - Schaltung zur blockierungsverhinderung von hochprioritaetsanforderungen an eine systemsteuerung. - Google Patents

Schaltung zur blockierungsverhinderung von hochprioritaetsanforderungen an eine systemsteuerung.

Info

Publication number
DE3783370T2
DE3783370T2 DE8787115018T DE3783370T DE3783370T2 DE 3783370 T2 DE3783370 T2 DE 3783370T2 DE 8787115018 T DE8787115018 T DE 8787115018T DE 3783370 T DE3783370 T DE 3783370T DE 3783370 T2 DE3783370 T2 DE 3783370T2
Authority
DE
Germany
Prior art keywords
circuit
system control
high priority
blocking prevention
priority requirements
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.)
Expired - Fee Related
Application number
DE8787115018T
Other languages
English (en)
Other versions
DE3783370D1 (de
Inventor
Robert Jerome Koegel
Leonard Rabins
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.)
Bull HN Information Systems Inc
Original Assignee
Bull HN Information Systems Inc
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 Bull HN Information Systems Inc filed Critical Bull HN Information Systems Inc
Application granted granted Critical
Publication of DE3783370D1 publication Critical patent/DE3783370D1/de
Publication of DE3783370T2 publication Critical patent/DE3783370T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G06F13/18—Handling requests for interconnection or transfer for access to memory bus based on priority control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Multi Processors (AREA)
DE8787115018T 1986-09-02 1987-10-14 Schaltung zur blockierungsverhinderung von hochprioritaetsanforderungen an eine systemsteuerung. Expired - Fee Related DE3783370T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/902,545 US4821177A (en) 1986-09-02 1986-09-02 Apparatus for controlling system accesses having multiple command level conditional rotational multiple port servicing priority hierarchy

Publications (2)

Publication Number Publication Date
DE3783370D1 DE3783370D1 (de) 1993-02-11
DE3783370T2 true DE3783370T2 (de) 1993-04-15

Family

ID=25416004

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787115018T Expired - Fee Related DE3783370T2 (de) 1986-09-02 1987-10-14 Schaltung zur blockierungsverhinderung von hochprioritaetsanforderungen an eine systemsteuerung.

Country Status (4)

Country Link
US (1) US4821177A (de)
EP (1) EP0311704B1 (de)
DE (1) DE3783370T2 (de)
ES (1) ES2037054T3 (de)

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Publication number Priority date Publication date Assignee Title
US5051946A (en) * 1986-07-03 1991-09-24 Unisys Corporation Integrated scannable rotational priority network apparatus
EP0375909B1 (de) * 1988-12-30 1995-08-30 International Business Machines Corporation Vielfacher Ein-/Ausgabe-Kanal
US5095460A (en) * 1989-04-25 1992-03-10 Digital Equipment Corporation Rotating priority encoder operating by selectively masking input signals to a fixed priority encoder
US5247671A (en) * 1990-02-14 1993-09-21 International Business Machines Corporation Scalable schedules for serial communications controller in data processing systems
CA2080608A1 (en) * 1992-01-02 1993-07-03 Nader Amini Bus control logic for computer system having dual bus architecture
CA2080210C (en) * 1992-01-02 1998-10-27 Nader Amini Bidirectional data storage facility for bus interface unit
JPH06161873A (ja) * 1992-11-27 1994-06-10 Fujitsu Ltd 主記憶に対する複数のアクセスポイントのハングアップ処理方式
US5673415A (en) * 1993-12-03 1997-09-30 Unisys Corporation High speed two-port interface unit where read commands suspend partially executed write commands
US5781927A (en) * 1996-01-30 1998-07-14 United Microelectronics Corporation Main memory arbitration with priority scheduling capability including multiple priorty signal connections
US5860082A (en) * 1996-03-28 1999-01-12 Datalight, Inc. Method and apparatus for allocating storage in a flash memory
US8819744B1 (en) * 1998-03-11 2014-08-26 The Directv Group, Inc. Miniature wireless audio/video/data distribution and access system
JPH11272560A (ja) * 1998-03-19 1999-10-08 Sony Corp 集積回路
US20050132145A1 (en) * 2003-12-15 2005-06-16 Finisar Corporation Contingent processor time division multiple access of memory in a multi-processor system to allow supplemental memory consumer access
JP4830379B2 (ja) * 2005-07-13 2011-12-07 ソニー株式会社 情報処理装置、情報処理方法、およびプログラム
WO2007045051A1 (en) 2005-10-21 2007-04-26 Honeywell Limited An authorisation system and a method of authorisation
WO2008144804A1 (en) * 2007-05-28 2008-12-04 Honeywell International Inc Systems and methods for commissioning access control devices
US8351350B2 (en) * 2007-05-28 2013-01-08 Honeywell International Inc. Systems and methods for configuring access control devices
WO2009094731A1 (en) * 2008-01-30 2009-08-06 Honeywell International Inc. Systems and methods for managing building services
WO2009158582A2 (en) * 2008-06-27 2009-12-30 Greatpoint Energy, Inc. Four-train catalytic gasification systems
WO2010039598A2 (en) 2008-09-30 2010-04-08 Honeywell International Inc. Systems and methods for interacting with access control devices
US8878931B2 (en) 2009-03-04 2014-11-04 Honeywell International Inc. Systems and methods for managing video data
EP2408984B1 (de) 2009-03-19 2019-11-27 Honeywell International Inc. Systeme und verfahren zur verwaltung von zugangssteuerungsvorrichtungen
US9280365B2 (en) * 2009-12-17 2016-03-08 Honeywell International Inc. Systems and methods for managing configuration data at disconnected remote devices
US8707414B2 (en) * 2010-01-07 2014-04-22 Honeywell International Inc. Systems and methods for location aware access control management
US8787725B2 (en) 2010-11-11 2014-07-22 Honeywell International Inc. Systems and methods for managing video data
US9927788B2 (en) * 2011-05-19 2018-03-27 Fisher-Rosemount Systems, Inc. Software lockout coordination between a process control system and an asset management system
US9894261B2 (en) 2011-06-24 2018-02-13 Honeywell International Inc. Systems and methods for presenting digital video management system information via a user-customizable hierarchical tree interface
WO2013020165A2 (en) 2011-08-05 2013-02-14 HONEYWELL INTERNATIONAL INC. Attn: Patent Services Systems and methods for managing video data
US10362273B2 (en) 2011-08-05 2019-07-23 Honeywell International Inc. Systems and methods for managing video data
US9344684B2 (en) 2011-08-05 2016-05-17 Honeywell International Inc. Systems and methods configured to enable content sharing between client terminals of a digital video management system
US10523903B2 (en) 2013-10-30 2019-12-31 Honeywell International Inc. Computer implemented systems frameworks and methods configured for enabling review of incident data

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
GB1248681A (en) * 1969-01-08 1971-10-06 Int Computers Ltd Improvements in or relating to digital electrical information processing apparatus
US4400771A (en) * 1975-12-04 1983-08-23 Tokyo Shibaura Electric Co., Ltd. Multi-processor system with programmable memory-access priority control
US4035780A (en) * 1976-05-21 1977-07-12 Honeywell Information Systems, Inc. Priority interrupt logic circuits
US4130864A (en) * 1976-10-29 1978-12-19 Westinghouse Electric Corp. Priority selection circuit for multiported central functional unit with automatic priority reduction on excessive port request
US4080649A (en) * 1976-12-16 1978-03-21 Honeywell Information Systems Inc. Balancing the utilization of I/O system processors
US4228500A (en) * 1978-03-27 1980-10-14 Honeywell Information Systems Inc. Command stacking apparatus for use in a memory controller
US4470111A (en) * 1979-10-01 1984-09-04 Ncr Corporation Priority interrupt controller
US4363096A (en) * 1980-06-26 1982-12-07 Gte Automatic Electric Labs Inc. Arbitration controller providing for access of a common resource by a duplex plurality of central processing units
US4385382A (en) * 1980-09-29 1983-05-24 Honeywell Information Systems Inc. Communication multiplexer having a variable priority scheme using a read only memory
US4480314A (en) * 1982-05-17 1984-10-30 International Business Machines Corporation Method for optimizing printer response time for a key to print operation
US4675812A (en) * 1983-02-14 1987-06-23 International Business Machines Corp. Priority circuit for channel subsystem having components with diverse and changing requirement for system resources
US4682282A (en) * 1984-10-25 1987-07-21 Unisys Corp. Minimum latency tie-breaking arbitration logic circuitry

Also Published As

Publication number Publication date
EP0311704A1 (de) 1989-04-19
EP0311704B1 (de) 1992-12-30
US4821177A (en) 1989-04-11
ES2037054T3 (es) 1993-06-16
DE3783370D1 (de) 1993-02-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BULL HN INFORMATION SYSTEMS INC., BILLERICA, MASS.

8339 Ceased/non-payment of the annual fee