DE69032468D1 - Uhrensynchronisation in einem rechnersystem - Google Patents
Uhrensynchronisation in einem rechnersystemInfo
- Publication number
- DE69032468D1 DE69032468D1 DE69032468T DE69032468T DE69032468D1 DE 69032468 D1 DE69032468 D1 DE 69032468D1 DE 69032468 T DE69032468 T DE 69032468T DE 69032468 T DE69032468 T DE 69032468T DE 69032468 D1 DE69032468 D1 DE 69032468D1
- Authority
- DE
- Germany
- Prior art keywords
- computer system
- clock synchronization
- synchronization
- clock
- computer
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/12—Synchronisation of different clock signals provided by a plurality of clock generators
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G7/00—Synchronisation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/14—Time supervision arrangements, e.g. real time clock
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Electric Clocks (AREA)
- Computer And Data Communications (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8901495A SE466123B (sv) | 1989-04-25 | 1989-04-25 | Anordning foer att synkonisera data i ett datoriserat system, som innefattar en gemensam seriell datakommunikationskanal |
PCT/SE1990/000264 WO1990013078A1 (en) | 1989-04-25 | 1990-04-20 | Arrangement in a computer system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69032468D1 true DE69032468D1 (de) | 1998-08-13 |
DE69032468T2 DE69032468T2 (de) | 1999-01-07 |
Family
ID=20375782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69032468T Expired - Lifetime DE69032468T2 (de) | 1989-04-25 | 1990-04-20 | Uhrensynchronisation in einem rechnersystem |
Country Status (7)
Country | Link |
---|---|
US (1) | US5392421A (de) |
EP (1) | EP0470199B1 (de) |
JP (1) | JP3091482B2 (de) |
KR (1) | KR920701895A (de) |
DE (1) | DE69032468T2 (de) |
SE (1) | SE466123B (de) |
WO (1) | WO1990013078A1 (de) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5922602A (en) | 1988-02-26 | 1999-07-13 | Biosource Technologies, Inc. | Cytoplasmic inhibition of gene expression |
DE4140017C2 (de) * | 1991-12-04 | 1995-01-05 | Nec Electronics Germany | Verfahren zum Betreiben von über einen Datenbus durch seriellen Datenaustausch miteinander kommunizierenden Rechnereinheiten |
US5537549A (en) * | 1993-04-28 | 1996-07-16 | Allen-Bradley Company, Inc. | Communication network with time coordinated station activity by time slot and periodic interval number |
JP3203939B2 (ja) * | 1994-02-28 | 2001-09-04 | 富士ゼロックス株式会社 | 描画通信装置 |
US5898864A (en) * | 1995-09-25 | 1999-04-27 | International Business Machines Corporation | Method and system for executing a context-altering instruction without performing a context-synchronization operation within high-performance processors |
US5748941A (en) * | 1995-11-09 | 1998-05-05 | Xerox Corporation | System and method for synchronizing control clocks for a modular printing system |
US5805870A (en) * | 1996-06-28 | 1998-09-08 | International Business Machines Corporation | System and method for correcting clock drift in multiprocessor systems |
US5805088A (en) * | 1996-11-01 | 1998-09-08 | International Business Machines Corporation | High speed asynchronous serial to parallel data converter |
DE19722114C2 (de) * | 1997-05-27 | 2003-04-30 | Bosch Gmbh Robert | Taktsignal-Bereitstellungsvorrichtung und -verfahren |
US6278710B1 (en) * | 1998-09-10 | 2001-08-21 | Agilent Technologies, Inc. | Enhancements to time synchronization in distributed systems |
US6092210A (en) * | 1998-10-14 | 2000-07-18 | Cypress Semiconductor Corp. | Device and method for synchronizing the clocks of interconnected universal serial buses |
US6105097A (en) * | 1998-10-14 | 2000-08-15 | Cypress Semiconductor Corp. | Device and method for interconnecting universal serial buses including power management |
US6311294B1 (en) | 1998-10-20 | 2001-10-30 | Cypress Semiconductor Corp. | Device and method for efficient bulk data retrieval using a universal serial bus |
US6389495B1 (en) | 1999-01-16 | 2002-05-14 | Cypress Semiconductor Corp. | Dedicated circuit and method for enumerating and operating a peripheral device on a universal serial bus |
US6728880B1 (en) * | 1999-09-17 | 2004-04-27 | Adobe Systems Incorporated | Secure time on computers with insecure clocks |
AT408383B (de) * | 2000-05-04 | 2001-11-26 | Fts Computertechnik Gmbh | Verfahren und kommunikationskontrolleinheit zur multimaster uhrensynchronisation in einem verteilten echtzeitcomputersystem |
JP3799039B2 (ja) * | 2001-07-18 | 2006-07-19 | 松下電器産業株式会社 | データ伝送装置及びデータ伝送方法 |
JP2003196166A (ja) * | 2001-10-19 | 2003-07-11 | Kawasaki Microelectronics Kk | データ転送装置 |
SE528607C2 (sv) * | 2004-04-30 | 2006-12-27 | Kvaser Consultant Ab | System och anordning för att tidsmässigt relatera händelser i ett fordon |
SE525930C2 (sv) | 2004-07-23 | 2005-05-31 | Kvaser Consultant Ab | Anordning för tidsstämpling av referenshändelser |
US7649912B2 (en) * | 2005-04-27 | 2010-01-19 | Rockwell Automation Technologies, Inc. | Time synchronization, deterministic data delivery and redundancy for cascaded nodes on full duplex ethernet networks |
FI119205B (fi) * | 2005-06-29 | 2008-08-29 | Abb Oy | Aikasynkronointi |
US7636345B2 (en) * | 2006-02-01 | 2009-12-22 | Comsys Communication & Signal Processing Ltd. | Apparatus for and method of time related communications between multiple devices having different time bases |
US8315269B1 (en) | 2007-04-18 | 2012-11-20 | Cypress Semiconductor Corporation | Device, method, and protocol for data transfer between host device and device having storage interface |
US7859240B1 (en) | 2007-05-22 | 2010-12-28 | Cypress Semiconductor Corporation | Circuit and method for preventing reverse current flow into a voltage regulator from an output thereof |
TWI448902B (zh) * | 2007-08-24 | 2014-08-11 | Cypress Semiconductor Corp | 具頁存取基礎處理器介面之橋接裝置 |
US8090894B1 (en) | 2007-09-21 | 2012-01-03 | Cypress Semiconductor Corporation | Architectures for supporting communication and access between multiple host devices and one or more common functions |
US7895387B1 (en) | 2007-09-27 | 2011-02-22 | Cypress Semiconductor Corporation | Devices and methods for sharing common target device with two different hosts according to common communication protocol |
US8370675B2 (en) * | 2009-01-28 | 2013-02-05 | Mellanox Technologies Ltd. | Precise clock synchronization |
DE102009037156A1 (de) * | 2009-08-04 | 2011-02-17 | Lenze Automation Gmbh | Verfahren zum synchronen Erfassen und Aufzeichnen von Prozess- und/oder Zustandsdaten sowie Automatisierungssystem |
US11483127B2 (en) | 2018-11-18 | 2022-10-25 | Mellanox Technologies, Ltd. | Clock synchronization |
US11283454B2 (en) | 2018-11-26 | 2022-03-22 | Mellanox Technologies, Ltd. | Synthesized clock synchronization between network devices |
US10778406B2 (en) | 2018-11-26 | 2020-09-15 | Mellanox Technologies, Ltd. | Synthesized clock synchronization between networks devices |
US11543852B2 (en) | 2019-11-07 | 2023-01-03 | Mellanox Technologies, Ltd. | Multihost clock synchronization |
EP3820105B1 (de) * | 2019-11-11 | 2023-03-15 | Siemens Aktiengesellschaft | Verfahren und system zur sicheren zeitsynchronisation |
US11070304B1 (en) | 2020-02-25 | 2021-07-20 | Mellanox Technologies, Ltd. | Physical hardware clock chaining |
US11552871B2 (en) | 2020-06-14 | 2023-01-10 | Mellanox Technologies, Ltd. | Receive-side timestamp accuracy |
US11606427B2 (en) | 2020-12-14 | 2023-03-14 | Mellanox Technologies, Ltd. | Software-controlled clock synchronization of network devices |
US11588609B2 (en) | 2021-01-14 | 2023-02-21 | Mellanox Technologies, Ltd. | Hardware clock with built-in accuracy check |
US11907754B2 (en) | 2021-12-14 | 2024-02-20 | Mellanox Technologies, Ltd. | System to trigger time-dependent action |
US11835999B2 (en) | 2022-01-18 | 2023-12-05 | Mellanox Technologies, Ltd. | Controller which adjusts clock frequency based on received symbol rate |
US11706014B1 (en) | 2022-01-20 | 2023-07-18 | Mellanox Technologies, Ltd. | Clock synchronization loop |
US11917045B2 (en) | 2022-07-24 | 2024-02-27 | Mellanox Technologies, Ltd. | Scalable synchronization of network devices |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3577128A (en) * | 1969-01-14 | 1971-05-04 | Ibm | Synchronizing clock system |
US4337463A (en) | 1980-08-22 | 1982-06-29 | Control Data Corporation | Time synchronization master station and remote station system |
GB2127594B (en) * | 1982-09-18 | 1985-11-13 | Int Computers Ltd | Distribution of clock pulses |
US4584643A (en) * | 1983-08-31 | 1986-04-22 | International Business Machines Corporation | Decentralized synchronization of clocks |
US4890222A (en) * | 1984-12-17 | 1989-12-26 | Honeywell Inc. | Apparatus for substantially syncronizing the timing subsystems of the physical modules of a local area network |
EP0247026A3 (de) * | 1986-05-16 | 1989-09-06 | Austria Mikrosysteme International Gmbh | Verfahren zur Synchronisation der Echtzeituhren von an ein Kommunikationsmedium angeschlossenen Knotenrechnern und Knotenrechner zur Durchführung des Verfahrens |
US4750194A (en) * | 1987-03-05 | 1988-06-07 | United States Pipe And Foundry Company | Clock synchronization system |
-
1989
- 1989-04-25 SE SE8901495A patent/SE466123B/sv not_active IP Right Cessation
-
1990
- 1990-04-20 WO PCT/SE1990/000264 patent/WO1990013078A1/en active IP Right Grant
- 1990-04-20 EP EP90908115A patent/EP0470199B1/de not_active Expired - Lifetime
- 1990-04-20 US US07/773,876 patent/US5392421A/en not_active Expired - Lifetime
- 1990-04-20 KR KR1019910701433A patent/KR920701895A/ko not_active Application Discontinuation
- 1990-04-20 DE DE69032468T patent/DE69032468T2/de not_active Expired - Lifetime
- 1990-04-20 JP JP02507221A patent/JP3091482B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0470199A1 (de) | 1992-02-12 |
SE8901495L (sv) | 1990-10-26 |
EP0470199B1 (de) | 1998-07-08 |
JP3091482B2 (ja) | 2000-09-25 |
WO1990013078A1 (en) | 1990-11-01 |
SE8901495D0 (sv) | 1989-04-25 |
DE69032468T2 (de) | 1999-01-07 |
JPH04507157A (ja) | 1992-12-10 |
KR920701895A (ko) | 1992-08-12 |
SE466123B (sv) | 1991-12-16 |
US5392421A (en) | 1995-02-21 |
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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: AROS ELECTRONICS AB, MOELNDAL, SE Owner name: KVASER CONSULTANT AB, KINNA, SE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: TIMEGALACTIC AB, KINNA, SE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: XINSHU MANAGEMENT L.L.C., DOVER, DEL., US |