Patents
Sitemap › G01 - Measuring; Testing › G01H - Measurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves › G01H 5 - Measuring propagation velocity of ultrasonic, sonic or infrasonic waves
Patents for G01H 5 - Measuring propagation velocity of ultrasonic, sonic or infrasonic waves (840)
12/2001
12/18/2001CA2271502C Apparatus for measuring the temperature of a fluid flow
11/2001
11/28/2001EP1157258A1 Method and device for measuring propagation time of a signal, in particular a ultrasonic signal
09/2001
09/13/2001WO2001066014A1 Ultrasonic imaging device
09/04/2001CA2028750C Multi-level probe and system for measurement of physical conditions in liquid-containing tanks
08/2001
08/16/2001EP1076512A4 A method for carrying out a medical procedure using a three-dimensional tracking and imaging system
06/2001
06/14/2001WO2001042808A2 Method for determining the mean speed of sound in a body of water
06/12/2001US6246898 Method for carrying out a medical procedure using a three-dimensional tracking and imaging system
05/2001
05/30/2001CN1297527A Determination of acoustic velocity in bone
05/29/2001CA2213523C Apparatus and method for acoustic analysis of bone using optimized functions of spectral and temporal signal components
05/16/2001EP1099298A1 Synthesising a sine wave
05/16/2001EP1099112A1 Measuring the speed of sound of a gas
04/2001
04/24/2001US6221019 Ultrasonic device for determining bone characteristics
04/11/2001EP1090287A2 Acoustic transit time measuring system
03/2001
03/20/2001US6205087 Sonic data logging system
03/14/2001EP1083427A2 Method and apparatus for determining gas content
02/2001
02/22/2001DE19939547A1 Device for determining position-resolved sound power at surface of stimulable object suitable for generating acoustic oscillations has sound pressure signal measurement probe
02/21/2001EP1077365A2 Ultrasonic-wave propagation-time measuring method, gas-pressure measuring method, gas-flow rate measuring method, and gas sensor
02/21/2001EP1076512A1 A method for carrying out a medical procedure using a three-dimensional tracking and imaging system
01/2001
01/31/2001EP0975261A4 Ultrasound-based 3-d tracking system using a digital signal processor
01/17/2001CN2415351Y Sound velocity measuring apparatus
12/2000
12/20/2000EP1060367A1 Determination of acoustic velocity in bone
11/2000
11/14/2000CA2035773C Method and system for digital measurement of acoustic burst travel time in a fluid medium
09/2000
09/26/2000US6122968 Delay line for an ultrasonic probe and method of using same
09/08/2000WO2000052431A1 Method and device for measuring propagation time of a signal, in particular a ultrasonic signal
09/06/2000EP1032891A2 Method and device for detecting and making signal shapes coincidental, said shapes being convertible into monotone and constant trajectories in a section by section manner
08/2000
08/01/2000US6094987 Method and apparatus for ultrasonic wave measurement
07/2000
07/26/2000EP0879426B1 Three-dimensional digital ultrasound tracking system
07/25/2000US6093883 A thermocouple provide ultrasound treatment of body tissue
07/11/2000US6088297 Acoustic sound speed profiling system
05/2000
05/10/2000EP0998670A1 Measuring relative density of a gas
05/10/2000EP0998238A1 System for carrying out surgery, biopsy and ablation of a tumor or other physical anomaly
04/2000
04/12/2000CN2373373Y Packing box with musical sounding apparatus
04/06/2000DE19841154A1 Measurement of propagation time of sound waves; involves measuring phase shift between transmitted and received signals at two different frequencies
03/2000
03/16/2000WO1999067649A3 Acoustic transit time measuring system
03/15/2000EP0985381A2 Method and apparatus for measuring the speed of sound in tisssue
02/2000
02/02/2000EP0975261A1 Ultrasound-based 3-d tracking system using a digital signal processor
02/01/2000US6019000 In-situ measurement of deposition on reactor chamber members
12/1999
12/29/1999WO1999067877A1 Synthesising a sine wave
12/29/1999WO1999067649A2 Acoustic transit time measuring system
12/29/1999WO1999067629A1 Measuring the speed of sound of a gas
12/29/1999EP0966691A1 System for displaying a 2-d ultrasound image within a 3-d viewing environment
12/29/1999EP0966226A1 A system for sharing electrocardiogram electrodes and transducers
12/29/1999CA2335841A1 Acoustic transit time measuring system
12/29/1999CA2334975A1 Synthesising a sine wave
12/28/1999US6009380 Technique for eliminating ambiguity when making pulse-echo timing measurements
12/22/1999EP0965058A1 Tracking data sheath
12/21/1999US6006163 Active damage interrogation method for structural health monitoring
11/1999
11/18/1999WO1999058055A1 A method for carrying out a medical procedure using a three-dimensional tracking and imaging system
11/16/1999US5983730 Method and apparatus for measuring the time of flight of a signal
11/09/1999US5979241 Delay line for an ultrasonic probe and method of using same
11/03/1999EP0953726A1 Apparatus and method for wellbore testing of formation fluids using acoustic signals
10/1999
10/07/1999WO1999026167A3 Method and device for detecting and making signal shapes coincidental, said shapes being convertible into monotone and constant trajectories in a section by section manner
09/1999
09/10/1999WO1999045348A1 Determination of acoustic velocity in bone
09/10/1999CA2322628A1 Determination of acoustic velocity in bone
08/1999
08/26/1999WO1999027333A9 In-situ measurement of deposition on reactor chamber members
08/10/1999US5936160 Method and apparatus for measuring sound velocity in liquid
06/1999
06/08/1999US5911159 Energy efficient using comparatively small quantities of resin; acoustic waves to measure chemical and physical changes
06/03/1999WO1999027333A1 In-situ measurement of deposition on reactor chamber members
06/02/1999DE19750835A1 Verfahren und Einrichtung zur Laufzeitdifferenzenbestimmung von akustischen Signalen Method and apparatus for determining time differences of acoustic signals
05/1999
05/27/1999WO1999026167A2 Method and device for detecting and making signal shapes coincidental, said shapes being convertible into monotone and constant trajectories in a section by section manner
03/1999
03/10/1999CN1210592A Sonic data logging system
03/02/1999US5877407 Plasma etch end point detection process
02/1999
02/09/1999US5868673 System for carrying out surgery, biopsy and ablation of a tumor or other physical anomaly
02/04/1999WO1999005517A1 Measuring relative density of a gas
01/1999
01/07/1999DE19727291A1 Method of measuring variations of elastic properties of earth's crust
12/1998
12/30/1998CN1203663A Ultrasonic device for determining bone characteristics
12/08/1998US5847281 System for measuring ultrasonically the elastic properties of a moving paper web
11/1998
11/25/1998EP0879426A2 Three-dimensional digital ultrasound tracking system
11/18/1998EP0877960A1 Sonic data logging system
11/03/1998US5830144 Tracking data sheath
10/1998
10/28/1998EP0873516A1 Ultrasonic device for determining bone characteristics
10/22/1998WO1998046140A1 Ultrasound-based 3-d tracking system using a digital signal processor
10/06/1998US5817022 System for displaying a 2-D ultrasound image within a 3-D viewing environment
10/06/1998US5817018 Method for measuring speed of sound in tissue and tissue assessment apparatus
09/1998
09/17/1998WO1998040760A1 System for displaying a 2-d ultrasound image within a 3-d viewing environment
09/17/1998WO1998040026A1 System for carrying out surgery, biopsy and ablation of a tumor or other physical anomaly
09/11/1998WO1998039672A1 Tracking data sheath
09/11/1998WO1998039669A1 A method for carrying out a medical procedure using a three-dimensional tracking and imaging system
09/11/1998WO1998038911A1 A system for sharing electrocardiogram electrodes and transducers
09/08/1998US5804727 Measurement of physical characteristics of materials by ultrasonic methods
08/1998
08/25/1998US5797849 Method for carrying out a medical procedure using a three-dimensional tracking and imaging system
08/18/1998US5796009 Method for measuring in a fluid with the aid of sing-around technique
08/18/1998US5796005 Flex meter for sports game implements
08/18/1998US5795298 System for sharing electrocardiogram electrodes and transducers
07/1998
07/14/1998US5779638 Ultrasound-based 3-D tracking system using a digital signal processor
07/07/1998US5777230 Delay line for an ultrasonic probe and method of using same
05/1998
05/26/1998US5757721 Inverse method to measure the breathing wave speed in a liquid-filled cylindrical shell
04/1998
04/29/1998EP0837651A1 Apparatus and method for acoustic analysis of bone using optimized functions of spectral and temporal signal components
02/1998
02/17/1998US5719337 In-plane ultrasonic velocity measurement of longitudinal and shear waves in the machine direction with transducers in rotating wheels
12/1997
12/23/1997US5700955 Precision thickness variation mapping via one-transducer ultrasonic high resolution profilometry for sample with irregular or rough surface
12/23/1997US5700952 Time domain delay measurement apparatus and associated method
11/1997
11/25/1997US5691475 Method for measuring the propagation velocity of ultrasonic acoustic waves through rock fragments
11/19/1997EP0807407A1 Tissue assessment apparatus
11/13/1997WO1997042498A1 A technique for eliminating ambiguity when making pulse-echo timing measurements
10/1997
10/08/1997EP0800056A2 Procedure to examine the physical properties of layer-covered materials
08/1997
08/07/1997WO1997028464A1 Sonic data logging system
07/1997
07/23/1997EP0784787A1 System for measuring ultrasonically the elastic properties of a moving paper web
06/1997
06/17/1997US5638820 Ultrasound system for estimating the speed of sound in body tissue
06/05/1997WO1997020191A1 Time domain delay measurement apparatus and associated method
05/1997
05/22/1997DE19612925C1 Coated workpiece material characteristics testing system
1 2 3 4 5 6 7 8 9