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(11)

EP 3 420 419 A1

(12)

(43) Date of publication: 02.01.2019 Bulletin 2019/01 (21) Application number: 17757150.2 (22) Date of filing: 22.02.2017

(51) International Patent Classification (IPC):  G05B 19/00(2006.01) G06F 7/00(2006.01) G08B 29/00(2006.01) H04B 1/00(2006.01) H04Q 1/00(2006.01) G05B 23/00(2006.01) G06F 7/04(2006.01) G08C 19/00(2006.01) H04B 3/00(2006.01) H04Q 9/00(2006.01) (86) International application number: PCT/US2017/018961 (87) International publication number: WO 2017/147194 (31.08.2017 Gazette 2017/35)

(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: MA MD (30) Priority: 24.02.2016 US 201615051935 (71) Applicant: Lifeloc Technologies, Inc. Wheat Ridge, Colorado 80033 (US)	(72) Inventors: PHILLIPS, Brian, Kirby Leavenworth, WA 98826 (US) WILSON, Geoffrey, A. Roseburg, OR 97471 (US) (74) Representative: Goddard, Frances Anna et al Mathisen & Macara LLP Communications House South Street Staines-upon-Thames TW18 4PR Staines-upon-Thames TW18 4PR (GB)