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1. (WO2018162885) ULTRASOUND POSITION-DETERMINATION SYSTEM
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Pub. No.: WO/2018/162885 International Application No.: PCT/GB2018/050554
Publication Date: 13.09.2018 International Filing Date: 05.03.2018
IPC:
G01S 5/18 (2006.01) ,G01S 5/30 (2006.01)
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
5
Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations
18
using ultrasonic, sonic, or infrasonic waves
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
5
Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations
18
using ultrasonic, sonic, or infrasonic waves
30
Determining absolute distances from a plurality of spaced points of known location
Applicants:
SONITOR TECHNOLOGIES AS [NO/NO]; Drammensveien 288 0283 Oslo, NO
WILSON, Timothy James [GB/GB]; GB (MG)
Inventors:
BOOIJ, Wilfred Edwin; NO
ANTILLE, Cyril; NO
OLSEN, Øystein Haug; NO
Agent:
DEHNS; St Bride's House 10 Salisbury Square London Greater London EC4Y 8JD, GB
Priority Data:
1703647.607.03.2017GB
Title (EN) ULTRASOUND POSITION-DETERMINATION SYSTEM
(FR) SYSTÈME DE DÉTERMINATION DE POSITION PAR ULTRASONS
Abstract:
(EN) A system (1) is provided for determining the position of a mobile receiver unit (3a, 3b) in an environment. The system comprises: a transmission apparatus (6a, 6b, 6c) comprising a plurality of ultrasound transmitters configured to transmit a plurality of ultrasonic signals in different respective principal directions, each encoding a different respective direction identifier; a mobile receiver unit (3a, 3b) comprising an ultrasound receiver configured to receive the plurality of ultrasonic signals along a plurality of signal paths, at least one of which includes a reflection off an environment surface (16); and a processing system comprising a decoder arranged to decode the respective direction identifiers from the received signals. The processing system is configured to determine a respective time of arrival for each signal, and use location information relating to the transmission apparatus (6a, 6b, 6c) and the environment surface (16), together with the respective direction identifiers and times of arrival to calculate an estimated position of the mobile receiver unit (3a, 3b).
(FR) L’invention concerne un système (1) servant à déterminer la position d’une unité de récepteur mobile (3a, 3b) dans un environnement. Le système comprend : un appareil d’émission (6a, 6b, 6c) comprenant une pluralité d’émetteurs à ultrasons configurés pour émettre une pluralité de signaux ultrasonores dans différentes directions principales respectives, chaque signal codant un identifiant de direction respectif différent ; une unité de récepteur mobile (3a, 3b) comprenant un récepteur d’ultrasons configuré pour recevoir la pluralité de signaux ultrasonores le long d’une pluralité de trajets de signal, au moins l’un d’eux comprenant une réflexion sur une surface d’environnement (16) ; et un système de traitement comprenant un décodeur conçu pour décoder les identifiants de direction respectifs à partir des signaux reçus. Le système de traitement est configuré pour déterminer un instant d’arrivée respectif pour chaque signal et utiliser des informations d’emplacement relatives à l’appareil d’émission (6a, 6b, 6c) et à la surface d’environnement (16), ainsi que les identifiants de direction et les instants d’arrivée respectifs, pour calculer une position estimée de l’unité de récepteur mobile (3a, 3b).
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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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, 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)