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1. (WO2016055796) A CURRENT MEASUREMENT CIRCUIT
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2016/055796 International Application No.: PCT/GB2015/052949
Publication Date: 14.04.2016 International Filing Date: 08.10.2015
IPC:
G01R 1/20 (2006.01)
G PHYSICS
01
MEASURING; TESTING
R
MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
1
Details of instruments or arrangements of the types covered by groups G01R5/-G01R13/122
20
Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
Applicants:
TRW LIMITED [GB/GB]; Stratford Road Solihull, West Midlands Solihull, GB
Inventors:
HARVEY, Stephen; GB
WILLIAMS, Andrew; GB
BROWNE, Philip; GB
Agent:
BARKER BRETTELL LLP; 100 Hagley Road Edgbaston Birmingham West Midlands B16 8QQ, GB
Priority Data:
1417993.110.10.2014GB
Title (EN) A CURRENT MEASUREMENT CIRCUIT
(FR) CIRCUIT DE MESURE DE COURANT
Abstract:
(EN) A current measurement circuit suitable for measuring the flow of current along a path in an electrical circuit such as a part of an electric power assisted steering system comprises a current measurement resistor that is located in series in the electrical path through which a current to be measured may flow, a first measurement sub- circuit that measures the voltage dropped across at least a part of the resistor and produces a first output signal, and a second measurement sub-circuit that measures the voltage dropped across at least a part of the resistor and produces a second output signal, and in which the electrical connections of the two sub-circuits to the resistor are independent of each other.
(FR) L'invention concerne un circuit de mesure de courant conçu pour mesurer le flux de courant le long d'un trajet dans un circuit électrique, conçu de telle sorte qu'une partie d'un système de direction assistée électrique comprend une résistance de mesure de courant qui est située en série dans le trajet électrique et à travers laquelle un courant à mesurer peut circuler, un premier sous-circuit de mesure qui mesure la tension chutant à travers au moins une partie de la résistance et produit un premier signal de sortie, et un second sous-circuit de mesure qui mesure la tension chutant à travers au moins une partie de la résistance et produit un second signal de sortie, les connexions électriques des deux sous-circuits à la résistance étant indépendantes l'une de l'autre.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)