FR2951279B1 - METHOD AND DEVICE FOR IMPROVING THE MEASUREMENT OF A RUNNING TIME OF AN ULTRASONIC SIGNAL - Google Patents
METHOD AND DEVICE FOR IMPROVING THE MEASUREMENT OF A RUNNING TIME OF AN ULTRASONIC SIGNALInfo
- Publication number
- FR2951279B1 FR2951279B1 FR1058225A FR1058225A FR2951279B1 FR 2951279 B1 FR2951279 B1 FR 2951279B1 FR 1058225 A FR1058225 A FR 1058225A FR 1058225 A FR1058225 A FR 1058225A FR 2951279 B1 FR2951279 B1 FR 2951279B1
- Authority
- FR
- France
- Prior art keywords
- improving
- measurement
- running time
- ultrasonic signal
- 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
- G01S—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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
-
- 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
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/101—Particularities of the measurement of distance
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910049069 DE102009049069A1 (en) | 2009-10-12 | 2009-10-12 | Method for delay measurement, involves sending transmission ultrasonic pulse in space range, which has envelope, and receiving receipt ultrasonic pulse, which corresponds to transmission ultrasonic pulse |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2951279A1 FR2951279A1 (en) | 2011-04-15 |
FR2951279B1 true FR2951279B1 (en) | 2015-05-22 |
Family
ID=43734656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1058225A Expired - Fee Related FR2951279B1 (en) | 2009-10-12 | 2010-10-11 | METHOD AND DEVICE FOR IMPROVING THE MEASUREMENT OF A RUNNING TIME OF AN ULTRASONIC SIGNAL |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102009049069A1 (en) |
FR (1) | FR2951279B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012213580A1 (en) * | 2012-08-01 | 2014-02-06 | Robert Bosch Gmbh | Method and device for evaluating a received alternating signal |
EP3550328B1 (en) * | 2018-04-04 | 2023-05-31 | Melexis Technologies NV | Pulsed-light detection and ranging apparatus and method of detection and ranging of an object in a pulsed light detection and ranging system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19522697A1 (en) | 1995-06-22 | 1997-01-09 | Sick Optik Elektronik Erwin | Method and circuit arrangement for measuring the flow velocity by means of acoustic transit time differences |
DE10106308C1 (en) | 2001-02-12 | 2002-07-11 | Siemens Ag | Acoustic signal propagation time measuring method uses intersection of tangent to maximum gradient point of first half wave with zero line as time reference point |
-
2009
- 2009-10-12 DE DE200910049069 patent/DE102009049069A1/en not_active Withdrawn
-
2010
- 2010-10-11 FR FR1058225A patent/FR2951279B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2951279A1 (en) | 2011-04-15 |
DE102009049069A1 (en) | 2011-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 6 |
|
PLFP | Fee payment |
Year of fee payment: 7 |
|
ST | Notification of lapse |
Effective date: 20180629 |