JPS6480351A - Ultrasonic doppler meter - Google Patents
Ultrasonic doppler meterInfo
- Publication number
- JPS6480351A JPS6480351A JP62237211A JP23721187A JPS6480351A JP S6480351 A JPS6480351 A JP S6480351A JP 62237211 A JP62237211 A JP 62237211A JP 23721187 A JP23721187 A JP 23721187A JP S6480351 A JPS6480351 A JP S6480351A
- Authority
- JP
- Japan
- Prior art keywords
- doppler frequency
- difference
- phase difference
- delay element
- inputted
- 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.)
- Granted
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
- 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
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
-
- 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
- G01P5/241—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 using reflection of acoustical waves, i.e. Doppler-effect
- G01P5/244—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 using reflection of acoustical waves, i.e. Doppler-effect involving pulsed waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237211A JP2640657B2 (ja) | 1987-09-24 | 1987-09-24 | 超音波ドプラ計 |
US07/230,972 US4884448A (en) | 1987-09-24 | 1988-08-11 | Ultrasonic doppler meter |
DE3828398A DE3828398C2 (de) | 1987-09-24 | 1988-08-20 | Doppler-Meßgerät |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237211A JP2640657B2 (ja) | 1987-09-24 | 1987-09-24 | 超音波ドプラ計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6480351A true JPS6480351A (en) | 1989-03-27 |
JP2640657B2 JP2640657B2 (ja) | 1997-08-13 |
Family
ID=17012029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62237211A Expired - Fee Related JP2640657B2 (ja) | 1987-09-24 | 1987-09-24 | 超音波ドプラ計 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4884448A (ja) |
JP (1) | JP2640657B2 (ja) |
DE (1) | DE3828398C2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5946014A (en) * | 1994-05-23 | 1999-08-31 | Canon Kabushiki Kaisha | Ink tank cartridge and ink-filling device therefor |
JPWO2006126303A1 (ja) * | 2005-05-27 | 2008-12-25 | 株式会社日立メディコ | 速度計測方法及びこれを用いた速度計測装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03228752A (ja) * | 1990-02-05 | 1991-10-09 | Hitachi Ltd | 高限界速パルスドプラ計測装置 |
US5062088A (en) * | 1990-10-09 | 1991-10-29 | Lundahl Instruments, Inc. | Acoustic measuring system |
US5669386A (en) * | 1996-07-31 | 1997-09-23 | Hewlett-Packard Company | Ultrasonic flow measurement system employing cross-correlation of baseband reflection data |
US6537222B1 (en) * | 1997-08-26 | 2003-03-25 | Koninklijke Philips Electronics N.V. | Methods for the detection of contrast agents in ultrasonic imaging |
EP1480056A1 (de) * | 2003-05-22 | 2004-11-24 | Delphi Technologies, Inc. | Verfahren zur Bereichsüberwachung |
JP4504004B2 (ja) * | 2003-12-17 | 2010-07-14 | 株式会社東芝 | 超音波診断装置 |
WO2007134430A1 (en) * | 2006-05-09 | 2007-11-29 | Sensotech Inc. | Presence detection system for path crossing |
GB201103642D0 (en) * | 2011-03-03 | 2011-04-13 | Univ Bradford | Methods and systems for detection of liquid surface fluctuations |
US10240972B2 (en) * | 2015-08-05 | 2019-03-26 | Lovejoy Controls Corporation | Doppler ultrasonic velocity probe |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6125527A (ja) * | 1984-07-13 | 1986-02-04 | 富士通株式会社 | 超音波ドプラ血流計 |
JPS6216746A (ja) * | 1985-07-17 | 1987-01-24 | アロカ株式会社 | 超音波診断装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6262268A (ja) * | 1985-09-12 | 1987-03-18 | Aloka Co Ltd | 運動反射体の超音波加速度測定装置 |
JP2544342B2 (ja) * | 1986-01-22 | 1996-10-16 | 株式会社日立製作所 | 超音波ドップラ―診断装置 |
-
1987
- 1987-09-24 JP JP62237211A patent/JP2640657B2/ja not_active Expired - Fee Related
-
1988
- 1988-08-11 US US07/230,972 patent/US4884448A/en not_active Expired - Lifetime
- 1988-08-20 DE DE3828398A patent/DE3828398C2/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6125527A (ja) * | 1984-07-13 | 1986-02-04 | 富士通株式会社 | 超音波ドプラ血流計 |
JPS6216746A (ja) * | 1985-07-17 | 1987-01-24 | アロカ株式会社 | 超音波診断装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5946014A (en) * | 1994-05-23 | 1999-08-31 | Canon Kabushiki Kaisha | Ink tank cartridge and ink-filling device therefor |
JPWO2006126303A1 (ja) * | 2005-05-27 | 2008-12-25 | 株式会社日立メディコ | 速度計測方法及びこれを用いた速度計測装置 |
JP5108512B2 (ja) * | 2005-05-27 | 2012-12-26 | 株式会社日立メディコ | 速度計測方法及びこれを用いた速度計測装置 |
Also Published As
Publication number | Publication date |
---|---|
DE3828398A1 (de) | 1989-04-13 |
DE3828398C2 (de) | 1996-05-15 |
US4884448A (en) | 1989-12-05 |
JP2640657B2 (ja) | 1997-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |