FR2915286B1 - Procede de mesure du temps de propagation d'une impulsion d'ultrason - Google Patents
Procede de mesure du temps de propagation d'une impulsion d'ultrasonInfo
- Publication number
- FR2915286B1 FR2915286B1 FR0800921A FR0800921A FR2915286B1 FR 2915286 B1 FR2915286 B1 FR 2915286B1 FR 0800921 A FR0800921 A FR 0800921A FR 0800921 A FR0800921 A FR 0800921A FR 2915286 B1 FR2915286 B1 FR 2915286B1
- Authority
- FR
- France
- Prior art keywords
- propagation
- measuring
- time
- ultrasonic pulse
- ultrasonic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
- G01F1/708—Measuring the time taken to traverse a fixed distance
- G01F1/7082—Measuring the time taken to traverse a fixed distance using acoustic detecting arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/087—Measuring breath flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
- G01F1/708—Measuring the time taken to traverse a fixed distance
- G01F1/712—Measuring the time taken to traverse a fixed distance using auto-correlation or cross-correlation detection means
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007009432 | 2007-02-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2915286A1 FR2915286A1 (fr) | 2008-10-24 |
FR2915286B1 true FR2915286B1 (fr) | 2014-03-14 |
Family
ID=39678170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0800921A Expired - Fee Related FR2915286B1 (fr) | 2007-02-27 | 2008-02-20 | Procede de mesure du temps de propagation d'une impulsion d'ultrason |
Country Status (3)
Country | Link |
---|---|
US (1) | US7934432B2 (fr) |
DE (1) | DE102008010090A1 (fr) |
FR (1) | FR2915286B1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009028847A1 (de) | 2009-06-12 | 2010-12-16 | Endress + Hauser Flowtec Ag | Messgerät und Verfahren zum Messen einer Messgröße |
US9347932B2 (en) | 2010-10-04 | 2016-05-24 | Arizona Board Of Regents, A Body Corporate Of The State Of Arizona Acting For And On Behalf Of Arizona State University | Device and method for breath analysis using acoustic resonance flow rate |
US8919207B2 (en) * | 2012-01-10 | 2014-12-30 | General Electric Company | Flow measuring device and method using transmission paths having different angles |
US10955273B2 (en) * | 2013-04-04 | 2021-03-23 | Texas Instruments Incorporated | Extended range ADC flow meter |
US9335194B2 (en) | 2013-09-16 | 2016-05-10 | Agena A/S | System or a method for measuring flow of fluid or gas |
WO2015151638A1 (fr) * | 2014-03-31 | 2015-10-08 | 日立金属株式会社 | Procede de mesure du debit massique thermique, debitmetre massique thermique utilisant ce procede et organe de commande de debit massique thermique utilisant ledit debitmetre massique thermique |
GB201421607D0 (en) * | 2014-12-04 | 2015-01-21 | Gill Corporate Ltd | Apparatus and a method for providing a time measurement |
CN107592911B (zh) * | 2015-04-12 | 2020-10-30 | 默特科气象测量技术有限责任公司 | 用于确定在大气中的声速或风速矢量的至少一个分量的超声波测风仪和方法 |
US10830619B2 (en) * | 2015-05-12 | 2020-11-10 | Texas Instruments Incorporated | Envelope based sample correction for digital flow metrology |
FR3050828B1 (fr) * | 2016-04-28 | 2019-06-21 | Safran Aircraft Engines | Procede de determination d'une vitesse d'ecoulement d'un fluide s'ecoulant dans un troncon de conduite et dispositif associe |
US11541194B2 (en) | 2017-04-14 | 2023-01-03 | Fisher & Paykel Healthcare Limited | Flow path sensing for flow therapy apparatus |
ES2802482T3 (es) * | 2018-05-07 | 2021-01-19 | Ndd Medizintechnik Ag | Método para verificar la calibración de un espirómetro |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8813640D0 (en) | 1988-06-09 | 1988-07-13 | Gill M J | Speed measurement device |
GB9119742D0 (en) * | 1991-09-16 | 1991-10-30 | British Gas Plc | Measurement system |
US5641931A (en) | 1994-03-31 | 1997-06-24 | Yamaha Corporation | Digital sound synthesizing device using a closed wave guide network with interpolation |
US7152490B1 (en) * | 2005-08-15 | 2006-12-26 | Daniel Measurement And Control, Inc. | Methods for determining transducer delay time and transducer separation in ultrasonic flow meters |
GB0703250D0 (en) * | 2007-02-20 | 2007-03-28 | Ge Healthcare Bio Sciences Ab | Ultrasonic flow meter |
-
2008
- 2008-01-03 US US11/968,958 patent/US7934432B2/en not_active Expired - Fee Related
- 2008-02-20 DE DE102008010090A patent/DE102008010090A1/de not_active Ceased
- 2008-02-20 FR FR0800921A patent/FR2915286B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2915286A1 (fr) | 2008-10-24 |
US7934432B2 (en) | 2011-05-03 |
DE102008010090A1 (de) | 2008-09-11 |
US20080208056A1 (en) | 2008-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
PLFP | Fee payment |
Year of fee payment: 9 |
|
TP | Transmission of property |
Owner name: DRAGERWERK AG & CO. KGAA, DE Effective date: 20160226 |
|
PLFP | Fee payment |
Year of fee payment: 10 |
|
PLFP | Fee payment |
Year of fee payment: 11 |
|
PLFP | Fee payment |
Year of fee payment: 13 |
|
PLFP | Fee payment |
Year of fee payment: 14 |
|
ST | Notification of lapse |
Effective date: 20221005 |