(19)

(11)

EP 3 920 690 A1

(12)

(43) Date of publication: 15.12.2021 Bulletin 2021/50 (21) Application number: 20751888.7 (22) Date of filing: 04.02.2020

(51) International Patent Classification (IPC):  A01K 27/00(2006.01) A61B 5/16(2006.01) A61B 5/00(2006.01) G10K 11/16(2006.01) G10K 11/178(2006.01) (52) Cooperative Patent Classification (CPC): A01K 27/00; A61B 5/00; A61B 5/16; G10K 11/16; G10K 11/178 (86) International application number: PCT/US2020/016617 (87) International publication number: WO 2020/163362 (13.08.2020 Gazette 2020/33)

(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: 04.02.2019 US 201916266781 (71) Applicant: Radio Systems Corporation Knoxville, TN 37932 (US)	(72) Inventors: SELTZER, Richard Alan Knoxville, TN 37932 (US) HUBER, Jon Knoxville, TN 37932 (US) GIFT, Geoffrey Kyle Knoxville, TN 37932 (US) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)