BR8601997A - Circuito de supervisao - Google Patents
Circuito de supervisaoInfo
- Publication number
- BR8601997A BR8601997A BR8601997A BR8601997A BR8601997A BR 8601997 A BR8601997 A BR 8601997A BR 8601997 A BR8601997 A BR 8601997A BR 8601997 A BR8601997 A BR 8601997A BR 8601997 A BR8601997 A BR 8601997A
- Authority
- BR
- Brazil
- Prior art keywords
- supervision circuit
- supervision
- circuit
- 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
- G06F11/0703—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; 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
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/05—Digital input using the sampling of an analogue quantity at regular intervals of time, input from a/d converter or output to d/a converter
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/725,050 US4674035A (en) | 1985-04-19 | 1985-04-19 | Supervisory circuit for a programmed processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8601997A true BR8601997A (pt) | 1987-01-06 |
Family
ID=24912957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8601997A BR8601997A (pt) | 1985-04-19 | 1986-04-18 | Circuito de supervisao |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4674035A (pt) |
| JP (1) | JPS61245249A (pt) |
| BR (1) | BR8601997A (pt) |
| CA (1) | CA1252899A (pt) |
| MX (1) | MX162253A (pt) |
| ZA (1) | ZA862668B (pt) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4811200A (en) * | 1987-05-12 | 1989-03-07 | Motorola, Inc. | Multiple microprocessor watchdog system |
| US5398265A (en) * | 1988-11-10 | 1995-03-14 | Hughes Aircraft Company | Computer subsystem reset by address dependent RC discharge |
| US5050172A (en) * | 1989-05-08 | 1991-09-17 | Westinghouse Electric Corp. | Microcomputer controlled electric contactor with power loss memory |
| FR2674633B1 (fr) * | 1991-03-28 | 1995-06-23 | Sgs Thomson Microelectronics | Circuit de detection d'un seuil haut d'une tension d'alimentation. |
| US5388254A (en) * | 1992-03-27 | 1995-02-07 | International Business Machines Corporation | Method and means for limiting duration of input/output (I/O) requests |
| US5649098A (en) * | 1995-11-14 | 1997-07-15 | Maxim Integrated Products | Methods and apparatus for disabling a watchdog function |
| ATE225960T1 (de) * | 1996-08-12 | 2002-10-15 | Papst Motoren Gmbh & Co Kg | Anordnung zur überwachung eines mikroprozessors |
| US20100019820A1 (en) * | 2007-01-23 | 2010-01-28 | Pai Venkatesh P | Digital control system and method |
| US9032258B2 (en) * | 2012-09-14 | 2015-05-12 | Infineon Technologies Ag | Safety system challenge-and-response using modified watchdog timer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4055777A (en) * | 1976-11-02 | 1977-10-25 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Window comparator |
| JPS5375741A (en) * | 1976-12-16 | 1978-07-05 | Fujitsu Ltd | Test equipment for data processing unit |
| JPS5557956A (en) * | 1978-10-25 | 1980-04-30 | Nissan Motor Co Ltd | Malfunction prevention unit of microcomputer |
| JPS57155601A (en) * | 1981-03-20 | 1982-09-25 | Nippon Denso Co Ltd | Car safety device |
| US4410991A (en) * | 1981-06-03 | 1983-10-18 | Gte Laboratories Incorporated | Supervisory control apparatus |
| US4434403A (en) * | 1981-08-24 | 1984-02-28 | Burroughs Corporation | Universal reset circuit for digital circuitry |
| US4586179A (en) * | 1983-12-09 | 1986-04-29 | Zenith Electronics Corporation | Microprocessor reset with power level detection and watchdog timer |
-
1985
- 1985-04-19 US US06/725,050 patent/US4674035A/en not_active Expired - Lifetime
-
1986
- 1986-04-09 ZA ZA862668A patent/ZA862668B/xx unknown
- 1986-04-16 CA CA000506765A patent/CA1252899A/en not_active Expired
- 1986-04-16 JP JP61089171A patent/JPS61245249A/ja active Pending
- 1986-04-18 MX MX2227A patent/MX162253A/es unknown
- 1986-04-18 BR BR8601997A patent/BR8601997A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61245249A (ja) | 1986-10-31 |
| CA1252899A (en) | 1989-04-18 |
| ZA862668B (en) | 1986-11-26 |
| US4674035A (en) | 1987-06-16 |
| MX162253A (es) | 1991-04-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 18/04/2001 |