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1. CN109923377 - Signal processing circuit, and related chips, flow meters and methods

Office
Chine
Numéro de la demande 201980000249.3
Date de la demande 01.02.2019
Numéro de publication 109923377
Date de publication 21.06.2019
Numéro de délivrance 109923377
Date de délivrance 29.01.2021
Type de publication B
CIB
G01F 1/66
GPHYSIQUE
01MÉTROLOGIE; TESTS
FMESURE DES VOLUMES, DES DÉBITS VOLUMÉTRIQUES, DES DÉBITS MASSIQUES OU DU NIVEAU DES LIQUIDES; COMPTAGE VOLUMÉTRIQUE
1Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers le compteur par un écoulement continu
66en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. débitmètre à ultrasons
CPC
G01F 1/667
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
66by measuring frequency, phaseshift, or propagation time of electromagnetic or other waves, e.g. ultrasonic flowmeters
667Schematic arrangements of transducers of ultrasonic flowmeters; Circuits therefor
G01F 1/668
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
66by measuring frequency, phaseshift, or propagation time of electromagnetic or other waves, e.g. ultrasonic flowmeters
667Schematic arrangements of transducers of ultrasonic flowmeters; Circuits therefor
668Compensating or correcting for variations in velocity of sound
G01F 15/024
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
15Details of, or accessories for, apparatus of the preceding groups insofar as such details or appliances are not adapted to particular types of such apparatus
02Compensating or correcting for variations in pressure, density or temperature
022using electrical means
024involving digital counting
G01F 25/0007
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
25Testing or calibrating apparatus for measuring volume, volume flow or liquid level, or for metering by volume
0007for measuring volume flow
G01F 1/662
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
1Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
66by measuring frequency, phaseshift, or propagation time of electromagnetic or other waves, e.g. ultrasonic flowmeters
662Constructional details
Déposants SHENZHEN GOODIX TECHNOLOGY CO., LTD.
深圳市汇顶科技股份有限公司
Inventeurs ZHANG RONGYU
张镕谕
HUANG YANYING
黄彦颖
Mandataires 北京天驰君泰律师事务所 11592
Titre
(EN) Signal processing circuit, and related chips, flow meters and methods
(ZH) 信号处理电路以及相关芯片、流量计及方法
Abrégé
(EN)
The present application discloses a signal processing circuit (100) coupled to a first transducer (102) and a second transducer (104), wherein the first transducer and the second transducer havie a distance greater than zero, and a fluid having a flow rate sequentially flows through the first transducer and the second transducer. The signal processing circuit comprises a first emitter (106) coupled To the first transducer; a first receiver (108) coupled to the first transducer; a second transmitter (110) coupled to the second transducer; a second receiver coupled to the second transducer; anda control unit (114) coupled to the first transmitter, the first receiver, the second transmitter, and the second receiver. The present application further provides related chips, flow meters and methods.

(ZH)
本申请公开了一种信号处理电路(100),耦接至第一换能器(102)和第二换能器(104),其中所述第一换能器和所述第二换能器之间具有大于零的距离,且具有流速的流体依序流经所述第一换能器和所述第二换能器,所述信号处理电路包括:第一发射器(106),耦接至所述第一换能器;第一接收器(108),耦接至所述第一换能器;第二发射器(110),耦接至所述第二换能器;第二接收器(112),耦接至所述第二换能器;以及控制单元(114),耦接至所述第一发射器、所述第一接收器、所述第二发射器以及所述第二接收器。本申請另提供相关芯片、流量计及方法。

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EP19888241.7This application is not viewable in PATENTSCOPE because the national phase entry has not been published yet or the national entry is issued from a country that does not share data with WIPO or there is a formatting issue or an unavailability of the application.