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1. (WO2018164835) CAPACITANCE SENSING AND INDUCTANCE SENSING IN DIFFERENT MODES
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Pub. No.: WO/2018/164835 International Application No.: PCT/US2018/018909
Publication Date: 13.09.2018 International Filing Date: 21.02.2018
IPC:
G06F 3/041 (2006.01)
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
3
Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01
Input arrangements or combined input and output arrangements for interaction between user and computer
03
Arrangements for converting the position or the displacement of a member into a coded form
041
Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
Applicants:
CYPRESS SEMICONDUCTOR CORPORATION [US/US]; 198 Champion Court San Jose, CA 95134, US
Inventors:
O'LIONAIRD, Cathal; IE
UNSELD, Markus; DE
WALSH, Paul, M.; IE
Agent:
DRAGANOFF, Stoycho D.; US
Priority Data:
15/637,09029.06.2017US
62/470,04410.03.2017US
62/470,06110.03.2017US
Title (EN) CAPACITANCE SENSING AND INDUCTANCE SENSING IN DIFFERENT MODES
(FR) DÉTECTION DE CAPACITÉ ET DÉTECTION D'INDUCTANCE DANS DIFFÉRENTS MODES
Abstract:
(EN) An apparatus for inductive sensing or capacitive sensing is described. The apparatus may include a signal generator to output on a first terminal a first signal in a first mode and a second signal in a second mode. The apparatus may include a charge measuring circuit to receive on a second terminal a third signal in the first mode and a fourth signal in the second mode. The third signal is representative of an inductance of a sense unit coupled between the first terminal and the second terminal. The fourth signal is representative of a capacitance of the sense unit.
(FR) L'invention concerne un appareil de détection inductive ou de détection capacitive. L'appareil peut comprendre : un générateur de signal destiné à émettre sur une première borne un premier signal dans un premier mode et un deuxième signal dans un second mode; et un circuit de mesure de charge destiné à recevoir sur une seconde borne un troisième signal dans le premier mode et un quatrième signal dans le second mode. Le troisième signal représente une inductance d'une unité de détection couplée entre les première et seconde bornes. Le quatrième signal représente une capacité de l'unité de détection.
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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)