ZA747098B - Apparatus comprising a plurality of separate parts, and control apparatus for producing synchronising control signals for said separate parts - Google Patents
Apparatus comprising a plurality of separate parts, and control apparatus for producing synchronising control signals for said separate partsInfo
- Publication number
- ZA747098B ZA747098B ZA00747098A ZA747098A ZA747098B ZA 747098 B ZA747098 B ZA 747098B ZA 00747098 A ZA00747098 A ZA 00747098A ZA 747098 A ZA747098 A ZA 747098A ZA 747098 B ZA747098 B ZA 747098B
- Authority
- ZA
- South Africa
- Prior art keywords
- separate parts
- producing
- synchronising
- control signals
- control
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/1675—Temporal synchronisation or re-synchronisation of redundant processing components
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/003—Modifications for increasing the reliability for protection
- H03K19/00392—Modifications for increasing the reliability for protection by circuit redundancy
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Computing Systems (AREA)
- Mathematical Physics (AREA)
- Safety Devices In Control Systems (AREA)
- Hardware Redundancy (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1599473A CH623669A5 (sv) | 1973-11-14 | 1973-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA747098B true ZA747098B (en) | 1975-11-26 |
Family
ID=4413638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00747098A ZA747098B (en) | 1973-11-14 | 1974-11-05 | Apparatus comprising a plurality of separate parts, and control apparatus for producing synchronising control signals for said separate parts |
Country Status (11)
Country | Link |
---|---|
US (1) | US3961270A (sv) |
JP (1) | JPS5079680A (sv) |
BE (1) | BE815136A (sv) |
BR (1) | BR7409551A (sv) |
CH (1) | CH623669A5 (sv) |
DE (1) | DE2423276C3 (sv) |
FR (1) | FR2251052B1 (sv) |
GB (1) | GB1492806A (sv) |
IT (1) | IT1030775B (sv) |
SE (1) | SE396263B (sv) |
ZA (1) | ZA747098B (sv) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4019143A (en) * | 1976-05-10 | 1977-04-19 | Bell Telephone Laboratories, Incorporated | Standby apparatus for clock signal generators |
US4239982A (en) * | 1978-06-14 | 1980-12-16 | The Charles Stark Draper Laboratory, Inc. | Fault-tolerant clock system |
DE3023624C1 (de) * | 1980-06-24 | 1981-10-01 | Siemens AG, 1000 Berlin und 8000 München | Taktgebareanordnung zum Erzeugen von Stauerimpulsen fuer ein redundantes Datenverarbeitungssystem |
JPS6030898B2 (ja) * | 1981-05-15 | 1985-07-19 | テクトロニクス・インコ−ポレイテツド | ロジツク・アナライザの入力装置 |
DE3225429A1 (de) * | 1982-07-07 | 1984-01-12 | Siemens AG, 1000 Berlin und 8000 München | Taktgeberanordnung fuer ein redundantes steuersystem |
NL8203921A (nl) * | 1982-10-11 | 1984-05-01 | Philips Nv | Multipel redundant kloksysteem, bevattende een aantal onderling synchroniserende klokken, en klokschakeling voor gebruik in zo een kloksysteem. |
US4733353A (en) * | 1985-12-13 | 1988-03-22 | General Electric Company | Frame synchronization of multiply redundant computers |
EP0306211A3 (en) * | 1987-09-04 | 1990-09-26 | Digital Equipment Corporation | Synchronized twin computer system |
US5185877A (en) * | 1987-09-04 | 1993-02-09 | Digital Equipment Corporation | Protocol for transfer of DMA data |
US4798976A (en) * | 1987-11-13 | 1989-01-17 | International Business Machines Corporation | Logic redundancy circuit scheme |
US4932040A (en) * | 1987-12-07 | 1990-06-05 | Bull Hn Information Systems Inc. | Bidirectional control signalling bus interface apparatus for transmitting signals between two bus systems |
US4977581A (en) * | 1988-08-18 | 1990-12-11 | Unisys Corporation | Multiple frequency clock system |
US5163138A (en) * | 1989-08-01 | 1992-11-10 | Digital Equipment Corporation | Protocol for read write transfers via switching logic by transmitting and retransmitting an address |
US5251227A (en) * | 1989-08-01 | 1993-10-05 | Digital Equipment Corporation | Targeted resets in a data processor including a trace memory to store transactions |
US5153881A (en) * | 1989-08-01 | 1992-10-06 | Digital Equipment Corporation | Method of handling errors in software |
EP0415545B1 (en) * | 1989-08-01 | 1996-06-19 | Digital Equipment Corporation | Method of handling errors in software |
US5068780A (en) * | 1989-08-01 | 1991-11-26 | Digital Equipment Corporation | Method and apparatus for controlling initiation of bootstrap loading of an operating system in a computer system having first and second discrete computing zones |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3025508A (en) * | 1958-07-28 | 1962-03-13 | Sperry Rand Corp | Variation of high speed redundancy check generator |
US3538344A (en) * | 1968-05-03 | 1970-11-03 | Itt | Synchronized starting of redundant digital dividers |
US3737674A (en) * | 1970-02-05 | 1973-06-05 | Lorain Prod Corp | Majority logic system |
DE2046140C2 (de) * | 1970-09-18 | 1981-12-24 | Bodenseewerk Gerätetechnik GmbH, 7770 Überlingen | Schaltungsanordnung zur redundanten Signalübertragung bei einem Flugregler |
DE2216591B1 (de) * | 1972-04-06 | 1973-08-09 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Einrichtung zum Melden und Sperren einer simultanen Befehlsgabe mehrerer Steuerbefehlsgeber einer Ablaufsteuerung |
-
1973
- 1973-11-14 CH CH1599473A patent/CH623669A5/de not_active IP Right Cessation
-
1974
- 1974-05-14 DE DE2423276A patent/DE2423276C3/de not_active Expired
- 1974-05-14 FR FR7416547A patent/FR2251052B1/fr not_active Expired
- 1974-05-16 BE BE144405A patent/BE815136A/xx unknown
- 1974-11-05 ZA ZA00747098A patent/ZA747098B/xx unknown
- 1974-11-05 IT IT29115/74A patent/IT1030775B/it active
- 1974-11-06 SE SE7413900A patent/SE396263B/sv unknown
- 1974-11-07 US US05/521,632 patent/US3961270A/en not_active Expired - Lifetime
- 1974-11-07 GB GB48299/74A patent/GB1492806A/en not_active Expired
- 1974-11-13 BR BR9551/74A patent/BR7409551A/pt unknown
- 1974-11-13 JP JP49130085A patent/JPS5079680A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT1030775B (it) | 1979-04-10 |
CH623669A5 (sv) | 1981-06-15 |
BR7409551A (pt) | 1976-05-25 |
SE7413900L (sv) | 1975-05-15 |
GB1492806A (en) | 1977-11-23 |
SE396263B (sv) | 1977-09-12 |
DE2423276B2 (de) | 1976-08-26 |
US3961270A (en) | 1976-06-01 |
BE815136A (fr) | 1974-09-16 |
DE2423276A1 (de) | 1975-05-22 |
DE2423276C3 (de) | 1979-03-15 |
FR2251052B1 (sv) | 1979-05-25 |
FR2251052A1 (sv) | 1975-06-06 |
JPS5079680A (sv) | 1975-06-28 |
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