ES553909A0 - Un combinador de reloj redundante - Google Patents
Un combinador de reloj redundanteInfo
- Publication number
- ES553909A0 ES553909A0 ES553909A ES553909A ES553909A0 ES 553909 A0 ES553909 A0 ES 553909A0 ES 553909 A ES553909 A ES 553909A ES 553909 A ES553909 A ES 553909A ES 553909 A0 ES553909 A0 ES 553909A0
- Authority
- ES
- Spain
- Prior art keywords
- redundant clock
- clock combiner
- combiner
- redundant
- clock
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/19—Monitoring patterns of pulse trains
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
- H03K17/693—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Hardware Redundancy (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/722,894 US4653054A (en) | 1985-04-12 | 1985-04-12 | Redundant clock combiner |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8707390A1 ES8707390A1 (es) | 1987-07-16 |
ES553909A0 true ES553909A0 (es) | 1987-07-16 |
Family
ID=24903863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES553909A Expired ES8707390A1 (es) | 1985-04-12 | 1986-04-11 | Un combinador de reloj redundante |
Country Status (3)
Country | Link |
---|---|
US (1) | US4653054A (es) |
DE (1) | DE3611848A1 (es) |
ES (1) | ES8707390A1 (es) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4920540A (en) * | 1987-02-25 | 1990-04-24 | Stratus Computer, Inc. | Fault-tolerant digital timing apparatus and method |
US5020024A (en) * | 1987-01-16 | 1991-05-28 | Stratus Computer, Inc. | Method and apparatus for detecting selected absence of digital logic synchronism |
CA2059143C (en) * | 1991-01-25 | 2000-05-16 | Takeshi Miyao | Processing unit for a computer and a computer system incorporating such a processing unit |
US5355470A (en) * | 1992-01-03 | 1994-10-11 | Amdahl Corporation | Method for reconfiguring individual timer registers offline |
JPH0778039A (ja) * | 1993-09-08 | 1995-03-20 | Fujitsu Ltd | クロック選択制御方式 |
JPH0816276A (ja) * | 1994-06-30 | 1996-01-19 | Mitsubishi Denki Semiconductor Software Kk | マイクロコンピュータ |
DE59607452D1 (de) * | 1995-05-11 | 2001-09-13 | Infineon Technologies Ag | Vorrichtung zur takterzeugung für cmos-schaltungen mit dynamischen registern |
US5568097A (en) * | 1995-09-25 | 1996-10-22 | International Business Machines Inc. | Ultra high availability clock chip |
US5886557A (en) * | 1996-06-28 | 1999-03-23 | Emc Corporation | Redundant clock signal generating circuitry |
US6341149B1 (en) * | 1997-06-27 | 2002-01-22 | International Business Machines Corporation | Clock control device for a non-disruptive backup clock switching |
FR2797965A1 (fr) * | 1999-08-31 | 2001-03-02 | Koninkl Philips Electronics Nv | Procede permettant un echange de donnees entre une carte a puce et un appareil en cas d'interruption intempestive de l'alimentation de l'appareil |
US6718474B1 (en) | 2000-09-21 | 2004-04-06 | Stratus Technologies Bermuda Ltd. | Methods and apparatus for clock management based on environmental conditions |
FR2818871B1 (fr) * | 2000-12-21 | 2003-03-07 | Crouzet Automatismes | Systeme de commande d'un interrupteur a deux etats |
JP3523225B2 (ja) * | 2001-09-18 | 2004-04-26 | Necマイクロシステム株式会社 | クロック監視装置及び監視方法 |
US6970045B1 (en) | 2003-06-25 | 2005-11-29 | Nel Frequency Controls, Inc. | Redundant clock module |
US7296170B1 (en) * | 2004-01-23 | 2007-11-13 | Zilog, Inc. | Clock controller with clock source fail-safe logic |
US20060222126A1 (en) * | 2005-03-31 | 2006-10-05 | Stratus Technologies Bermuda Ltd. | Systems and methods for maintaining synchronicity during signal transmission |
US20060222125A1 (en) * | 2005-03-31 | 2006-10-05 | Edwards John W Jr | Systems and methods for maintaining synchronicity during signal transmission |
US7562247B2 (en) * | 2006-05-16 | 2009-07-14 | International Business Machines Corporation | Providing independent clock failover for scalable blade servers |
GB0709097D0 (en) * | 2007-05-11 | 2007-06-20 | Univ Leicester | Tick source |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2059797B1 (de) * | 1970-12-04 | 1972-05-25 | Siemens Ag | Taktversorgungsanlage |
IN146507B (es) * | 1975-09-29 | 1979-06-23 | Ericsson Telefon Ab L M | |
US4322580A (en) * | 1980-09-02 | 1982-03-30 | Gte Automatic Electric Labs Inc. | Clock selection circuit |
US4392226A (en) * | 1981-09-28 | 1983-07-05 | Ncr Corporation | Multiple source clock encoded communications error detection circuit |
US4542509A (en) * | 1983-10-31 | 1985-09-17 | International Business Machines Corporation | Fault testing a clock distribution network |
US4538272A (en) * | 1983-12-22 | 1985-08-27 | Gte Automatic Electric Incorporated | Prioritized clock selection circuit |
-
1985
- 1985-04-12 US US06/722,894 patent/US4653054A/en not_active Expired - Fee Related
-
1986
- 1986-04-09 DE DE19863611848 patent/DE3611848A1/de not_active Withdrawn
- 1986-04-11 ES ES553909A patent/ES8707390A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4653054A (en) | 1987-03-24 |
DE3611848A1 (de) | 1986-10-30 |
ES8707390A1 (es) | 1987-07-16 |
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