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AU560530B2 - Watch-dog timer circuit - Google Patents

Watch-dog timer circuit

Info

Publication number
AU560530B2
AU560530B2 AU88320/82A AU8832082A AU560530B2 AU 560530 B2 AU560530 B2 AU 560530B2 AU 88320/82 A AU88320/82 A AU 88320/82A AU 8832082 A AU8832082 A AU 8832082A AU 560530 B2 AU560530 B2 AU 560530B2
Authority
AU
Australia
Prior art keywords
watch
timer circuit
dog timer
dog
circuit
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.)
Ceased
Application number
AU88320/82A
Other versions
AU8832082A (en
Inventor
Theodore S. Malinowski
Andrew E. Taylor
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.)
RTX Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of AU8832082A publication Critical patent/AU8832082A/en
Application granted granted Critical
Publication of AU560530B2 publication Critical patent/AU560530B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
    • G06F11/0736—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in functional embedded systems, i.e. in a data processing system designed as a combination of hardware and software dedicated to performing a certain function
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0793—Remedial or corrective actions

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Safety Devices In Control Systems (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Debugging And Monitoring (AREA)
  • Fuel Cell (AREA)
  • Power Sources (AREA)
AU88320/82A 1981-09-14 1982-09-13 Watch-dog timer circuit Ceased AU560530B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30179881A 1981-09-14 1981-09-14
US301798 1981-09-14

Publications (2)

Publication Number Publication Date
AU8832082A AU8832082A (en) 1983-03-24
AU560530B2 true AU560530B2 (en) 1987-04-09

Family

ID=23164929

Family Applications (1)

Application Number Title Priority Date Filing Date
AU88320/82A Ceased AU560530B2 (en) 1981-09-14 1982-09-13 Watch-dog timer circuit

Country Status (17)

Country Link
JP (1) JPS5860309A (en)
AU (1) AU560530B2 (en)
BE (1) BE894388A (en)
BR (1) BR8205190A (en)
CA (1) CA1190307A (en)
CH (1) CH659718A5 (en)
DE (1) DE3232513A1 (en)
DK (1) DK402282A (en)
ES (1) ES8306411A1 (en)
FR (1) FR2512978B1 (en)
GB (1) GB2105877A (en)
IL (1) IL66716A (en)
IT (1) IT1152572B (en)
MX (1) MX151842A (en)
NO (1) NO823071L (en)
SE (1) SE8205152L (en)
ZA (1) ZA826740B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59211143A (en) * 1983-05-17 1984-11-29 Nissan Motor Co Ltd Car control circuit using microcomputer
DE3332802A1 (en) * 1983-09-12 1985-03-28 Siemens AG, 1000 Berlin und 8000 München CIRCUIT ARRANGEMENT FOR CHECKING THE CORRECT STARTING OF A TWO-CHANNEL FAIL-SAFE MICROCOMPUTER SWITCHGEAR, ESPECIALLY FOR RAILWAY LOCKING SYSTEMS
JPS60239803A (en) * 1984-05-15 1985-11-28 Yokogawa Hokushin Electric Corp Dispersion type control system
JPS6155746U (en) * 1984-09-19 1986-04-15
US4747057A (en) * 1985-03-12 1988-05-24 Pitney Bowes Inc. Electronic postage meter having power up and power down protection circuitry
US4701856A (en) * 1985-03-12 1987-10-20 Pitney Bowes Inc. Reset delay circuit for an electronic postage meter
DE3603807C1 (en) * 1986-02-07 1987-07-30 Triumph Adler Ag Method and circuit arrangement for protecting typewriters or similar office machines against the consequences of electrostatic discharges
GB2187909B (en) * 1986-03-13 1990-09-12 Lake Electronic Tech An interface circuit
GB8630674D0 (en) * 1986-12-23 1987-02-04 Qualter Hall & Co Ltd Microprocessor-based controllers
GB2200476B (en) * 1987-01-29 1991-02-06 British Gas Plc Monitor system
DD275546A1 (en) * 1988-09-16 1990-01-24 Adw Ddr Kybernetik Inf METHOD AND ARRANGEMENT FOR TESTING MICRORE-DRIVEN MODULES AND DEVICES
JP2008262740A (en) * 2007-04-10 2008-10-30 Toshiba Fuel Cell Power Systems Corp Fuel cell power generation system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2636352C3 (en) * 1976-08-12 1979-12-20 Kraftwerk Union Ag, 4330 Muelheim Protection system for a nuclear reactor
US4118792A (en) * 1977-04-25 1978-10-03 Allen-Bradley Company Malfunction detection system for a microprocessor based programmable controller
DE2851190C3 (en) * 1978-11-27 1981-06-11 Nsm-Apparatebau Gmbh & Co Kg, 6530 Bingen Fault protection arrangement
GB2087119B (en) * 1980-11-06 1985-05-15 British Gas Corp Fail-safe supervisory circuit

Also Published As

Publication number Publication date
DK402282A (en) 1983-03-15
ES515665A0 (en) 1983-06-01
BR8205190A (en) 1983-08-16
ES8306411A1 (en) 1983-06-01
CH659718A5 (en) 1987-02-13
AU8832082A (en) 1983-03-24
FR2512978A1 (en) 1983-03-18
BE894388A (en) 1983-01-03
IL66716A (en) 1985-08-30
JPS5860309A (en) 1983-04-09
ZA826740B (en) 1983-07-27
IT8223256A0 (en) 1982-09-14
FR2512978B1 (en) 1988-02-19
SE8205152L (en) 1983-03-15
IT1152572B (en) 1987-01-07
DE3232513A1 (en) 1983-03-24
NO823071L (en) 1983-03-15
SE8205152D0 (en) 1982-09-10
MX151842A (en) 1985-04-01
CA1190307A (en) 1985-07-09
GB2105877A (en) 1983-03-30

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