GB9702549D0 - Watchdog circuit - Google Patents

Watchdog circuit

Info

Publication number
GB9702549D0
GB9702549D0 GBGB9702549.8A GB9702549A GB9702549D0 GB 9702549 D0 GB9702549 D0 GB 9702549D0 GB 9702549 A GB9702549 A GB 9702549A GB 9702549 D0 GB9702549 D0 GB 9702549D0
Authority
GB
United Kingdom
Prior art keywords
watchdog circuit
watchdog
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.)
Granted
Application number
GBGB9702549.8A
Other versions
GB2310514A (en
GB2310514B (en
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.)
Fujitsu Services Ltd
Original Assignee
Fujitsu Services Ltd
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 Fujitsu Services Ltd filed Critical Fujitsu Services Ltd
Publication of GB9702549D0 publication Critical patent/GB9702549D0/en
Publication of GB2310514A publication Critical patent/GB2310514A/en
Application granted granted Critical
Publication of GB2310514B publication Critical patent/GB2310514B/en
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)
GB9702549A 1996-02-20 1997-02-07 Watchdog circuit Expired - Fee Related GB2310514B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9603519.1A GB9603519D0 (en) 1996-02-20 1996-02-20 Watchdog circuit

Publications (3)

Publication Number Publication Date
GB9702549D0 true GB9702549D0 (en) 1997-03-26
GB2310514A GB2310514A (en) 1997-08-27
GB2310514B GB2310514B (en) 1998-01-21

Family

ID=10789058

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9603519.1A Pending GB9603519D0 (en) 1996-02-20 1996-02-20 Watchdog circuit
GB9702549A Expired - Fee Related GB2310514B (en) 1996-02-20 1997-02-07 Watchdog circuit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9603519.1A Pending GB9603519D0 (en) 1996-02-20 1996-02-20 Watchdog circuit

Country Status (1)

Country Link
GB (2) GB9603519D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19855661C1 (en) * 1998-12-02 2000-05-11 Siemens Nixdorf Banking Syst Arrangement for monitoring an electrical device
US20040207440A1 (en) * 2003-04-17 2004-10-21 Naysen Robertson Electrical circuit for controling another circuit or system
GB2415271A (en) * 2004-06-16 2005-12-21 Sendo Int Ltd Computing device with watchdog timer
JP5246230B2 (en) * 2010-09-13 2013-07-24 株式会社デンソー Electronic control device for vehicle
US10089164B2 (en) 2015-02-27 2018-10-02 Microchip Technology Incorporated Watchdog timer
US11354182B1 (en) * 2019-12-10 2022-06-07 Cisco Technology, Inc. Internal watchdog two stage extension

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58201108A (en) * 1982-05-19 1983-11-22 Nissan Motor Co Ltd Monitoring device of electronic control system for vehicle using microcomputer
JPS60263235A (en) * 1984-06-12 1985-12-26 Omron Tateisi Electronics Co Microcomputer system
US4742469A (en) * 1985-10-31 1988-05-03 F.M.E. Corporation Electronic meter circuitry
DE3800829C1 (en) * 1988-01-14 1989-05-24 Hella Kg Hueck & Co, 4780 Lippstadt, De
JPH06332755A (en) * 1993-05-19 1994-12-02 Mitsubishi Electric Corp Watch dog timer circuit

Also Published As

Publication number Publication date
GB2310514A (en) 1997-08-27
GB2310514B (en) 1998-01-21
GB9603519D0 (en) 1996-04-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040207