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EP 3 977 558 A1

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(43) Date of publication: 06.04.2022 Bulletin 2022/14 (21) Application number: 20727265.9 (22) Date of filing: 19.05.2020

(51) International Patent Classification (IPC):  H01Q 1/24(2006.01) H01Q 7/00(2006.01) H01Q 5/35(2015.01) H01Q 9/04(2006.01) (52) Cooperative Patent Classification (CPC): H01Q 1/243; H01Q 9/0421; H01Q 7/00; H01Q 5/35 (86) International application number: PCT/EP2020/063980 (87) International publication number: WO 2020/239544 (03.12.2020 Gazette 2020/49)

(84) Designated Contracting States: 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 States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 29.05.2019 IN 201941021372 (71) Applicants: Robert Bosch GmbH 70442 Stuttgart (DE) Robert Bosch Engineering And Business Solutions Limited Bangalore 560 095 State of Karnataka (IN)

(72) Inventors: SREENIVASULU REDDY, Vedicherla Bangalore (IN) SIVA RAMI REDDY, Gopireddy Bangalore (IN)