IT8022572A0 - Procedimento di sorveglianza dellostato istantaneo di un circuito elettrico e in particolare di una interruzione di tale circuito. - Google Patents
Procedimento di sorveglianza dellostato istantaneo di un circuito elettrico e in particolare di una interruzione di tale circuito.Info
- Publication number
- IT8022572A0 IT8022572A0 IT8022572A IT2257280A IT8022572A0 IT 8022572 A0 IT8022572 A0 IT 8022572A0 IT 8022572 A IT8022572 A IT 8022572A IT 2257280 A IT2257280 A IT 2257280A IT 8022572 A0 IT8022572 A0 IT 8022572A0
- Authority
- IT
- Italy
- Prior art keywords
- circuit
- surveillance
- interruption
- procedure
- instant state
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/205—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using magneto-resistance devices, e.g. field plates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7914453A FR2458817A1 (fr) | 1979-06-06 | 1979-06-06 | Procede de surveillance de l'etat instantane d'un circuit electrique et notamment de detection d'une rupture de ce circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
IT8022572A0 true IT8022572A0 (it) | 1980-06-05 |
Family
ID=9226274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8022572A IT8022572A0 (it) | 1979-06-06 | 1980-06-05 | Procedimento di sorveglianza dellostato istantaneo di un circuito elettrico e in particolare di una interruzione di tale circuito. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4385283A (it) |
EP (1) | EP0021916A1 (it) |
FR (1) | FR2458817A1 (it) |
IT (1) | IT8022572A0 (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61150847A (ja) * | 1984-12-25 | 1986-07-09 | Honda Motor Co Ltd | 車両用灯具の制御装置 |
FR2596935B1 (fr) * | 1986-04-02 | 1988-06-10 | Bendix Electronics Sa | Procede et dispositif pour envoyer du courant electrique dans un circuit a l'aide d'un transistor |
DE3854457T2 (de) * | 1987-07-07 | 1996-02-29 | Nippon Denso Co | Stromdetektoranordnung mit ferromagnetischem Magnetwiderstandselement. |
US5262666A (en) * | 1989-05-15 | 1993-11-16 | Nippondenso Co., Ltd. | Semiconductor device with a nickel alloy protective resistor |
FR2660450B1 (fr) * | 1990-03-30 | 1994-07-22 | Marelli Autronica Sa | Dispositif a maintien temporaire sous tension d'un calculateur et installation d'alimentation de moteur a combustion interne en comportant application. |
KR100435378B1 (ko) * | 1997-12-19 | 2004-07-16 | 현대자동차주식회사 | 솔라 램프의 고장 표시 장치 |
US6072382A (en) * | 1998-01-06 | 2000-06-06 | Nonvolatile Electronics, Incorporated | Spin dependent tunneling sensor |
US6949927B2 (en) * | 2001-08-27 | 2005-09-27 | International Rectifier Corporation | Magnetoresistive magnetic field sensors and motor control devices using same |
JP4466487B2 (ja) * | 2005-06-27 | 2010-05-26 | Tdk株式会社 | 磁気センサおよび電流センサ |
US7388372B2 (en) * | 2006-05-31 | 2008-06-17 | Caterpillar Inc. | Electrical system with magnetoresistive sensors |
US7528592B2 (en) * | 2006-05-31 | 2009-05-05 | Caterpillar Inc. | Magnetoresistive sensor for current sensing |
US8063634B2 (en) * | 2008-07-31 | 2011-11-22 | Allegro Microsystems, Inc. | Electronic circuit and method for resetting a magnetoresistance element |
US7973527B2 (en) * | 2008-07-31 | 2011-07-05 | Allegro Microsystems, Inc. | Electronic circuit configured to reset a magnetoresistance element |
FR2955395B1 (fr) * | 2010-01-21 | 2012-02-03 | Commissariat Energie Atomique | Detection d'etat d'equipements electriques d'un vehicule |
US9354284B2 (en) | 2014-05-07 | 2016-05-31 | Allegro Microsystems, Llc | Magnetic field sensor configured to measure a magnetic field in a closed loop manner |
CN103969497B (zh) * | 2014-05-22 | 2017-05-17 | 营口东吉科技(集团)有限公司 | 一种测量交流电弧炉弧电流的方法 |
US9322887B1 (en) | 2014-12-01 | 2016-04-26 | Allegro Microsystems, Llc | Magnetic field sensor with magnetoresistance elements and conductive-trace magnetic source |
US9470765B1 (en) * | 2015-08-07 | 2016-10-18 | Allegro Microsystems, Llc | Magnetic sensor having enhanced linearization by applied field angle rotation |
FR3075392B1 (fr) * | 2017-12-14 | 2020-09-11 | Thales Sa | Surveillance d'un defaut dans un equipement electrique |
DE102020201657A1 (de) * | 2020-02-11 | 2021-08-12 | Robert Bosch Gesellschaft mit beschränkter Haftung | Anordnung, Kraftfahrzeug |
CN114689925B (zh) * | 2022-05-31 | 2022-09-20 | 陕西半导体先导技术中心有限公司 | 一种隔离式瞬态短路电流的测试系统及方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2946955A (en) * | 1953-08-31 | 1960-07-26 | Siemens Ag | Measuring apparatus comprising a magnetic field-responsive resistor as a condition-responsive element |
US3355601A (en) * | 1965-10-22 | 1967-11-28 | Franz Baumgartner Fabrik Elek | Supervisory control system using a ferrite transformer and a transistor |
FR1567136A (it) * | 1966-12-30 | 1969-05-16 | ||
US3532928A (en) * | 1967-05-10 | 1970-10-06 | Roger F West | Light-failure warning system with oppositely wound transformer and scr logic circuit |
US3671809A (en) * | 1971-11-01 | 1972-06-20 | Gte Sylvania Inc | Ground fault detector including magnetic amplifier bridge means |
DE2235642A1 (de) * | 1972-07-20 | 1974-01-31 | Bosch Gmbh Robert | Einrichtung zur kontrolle von elektrischen verbrauchern in kraftfahrzeugen |
US4097802A (en) * | 1975-06-30 | 1978-06-27 | International Business Machines Corporation | Magnetoresistive field sensor with a magnetic shield which prevents sensor response at fields below saturation of the shield |
US4075671A (en) * | 1976-11-24 | 1978-02-21 | International Business Machines Corporation | Automatic ac biasing of a magnetoresistive element |
-
1979
- 1979-06-06 FR FR7914453A patent/FR2458817A1/fr active Granted
-
1980
- 1980-06-04 EP EP80400799A patent/EP0021916A1/fr not_active Withdrawn
- 1980-06-05 IT IT8022572A patent/IT8022572A0/it unknown
- 1980-06-26 US US06/163,072 patent/US4385283A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4385283A (en) | 1983-05-24 |
FR2458817B1 (it) | 1982-10-01 |
EP0021916A1 (fr) | 1981-01-07 |
FR2458817A1 (fr) | 1981-01-02 |
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