Global Patent Index - EP 3714521 A1

EP 3714521 A1 20200930 - PROTECTION CIRCUIT FOR A SHUNT RESISTOR AND INSTRUMENTATION DEVICE

Title (en)

PROTECTION CIRCUIT FOR A SHUNT RESISTOR AND INSTRUMENTATION DEVICE

Title (de)

SCHUTZSCHALTUNG FÜR EINEN SHUNT-WIDERSTAND UND INSTRUMENTIERUNGSVORRICHTUNG

Title (fr)

CIRCUIT DE PROTECTION POUR UNE RÉSISTANCE SHUNT ET DISPOSITIF D'INSTRUMENTATION

Publication

EP 3714521 A1 20200930 (EN)

Application

EP 17870634 A 20171121

Priority

IB 2017001765 W 20171121

Abstract (en)

[origin: WO2019102247A1] The present invention relates to a protection circuit (20) for a shunt resistor comprising: an input terminal (6a) and an output terminal (22), wherein the output terminal is adapted to be connected to a shunt resistor, a normally closed switch (V7) electrically connected between the input terminal (6a) and the output terminal (22), a timing circuit (24) adapted to alternately opening and closing the switch in case of an overvoltage, wherein the timing circuit is powered via the input terminal.

IPC 8 full level

H02H 1/06 (2006.01); H02H 9/02 (2006.01); H02H 9/04 (2006.01)

CPC (source: EP KR)

H02H 1/06 (2013.01 - EP KR); H02H 9/025 (2013.01 - EP KR); H02H 9/04 (2013.01 - EP KR)

Citation (search report)

See references of WO 2019102247A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2019102247 A1 20190531; EP 3714521 A1 20200930; KR 102525868 B1 20230426; KR 20200090844 A 20200729

DOCDB simple family (application)

IB 2017001765 W 20171121; EP 17870634 A 20171121; KR 20207017798 A 20171121