Patents for G01H 3 - Measuring vibrations by using a detector in a fluid (2,243) |
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10/09/1984 | US4476550 Determination of far field signatures, for instance of seismic sources |
10/09/1984 | US4476549 Calibration method for acoustic scattering measurements using a spherical target |
10/09/1984 | US4475397 Method and means for attaining ultrasonic attenuation by vector sample averaging |
10/09/1984 | US4475396 Method of determining ultrasonic attenuation of tissue using reflective tomographic reconstruction |
10/09/1984 | US4475395 Method for recognizing different frequency dependent scatter mechanisms in non-homogeneous tissues |
10/09/1984 | US4475376 Apparatus for testing ultrasonic transducers |
08/08/1984 | EP0028103B1 A spectrum analyzer |
08/07/1984 | US4463608 Ultrasound imaging system |
07/31/1984 | US4463453 Acoustic intensity measurement apparatus and method including probe having ambient noise shield |
07/17/1984 | US4459852 Acoustic microscope using line-focus acoustic beam |
07/11/1984 | EP0113275A2 Spectrum display device for audio signals |
06/12/1984 | US4453408 Device for testing ultrasonic beam profiles |
06/05/1984 | US4453238 Apparatus and method for determining the phase sensitivity of hydrophones |
06/05/1984 | US4452085 Method and means for generating time gain compensation control signal for use in ultrasonic scanner and the like |
06/05/1984 | US4452083 Ultrasonic diagnosis device |
05/22/1984 | CA1167958A1 Acoustic microscope with a variable rf pulse for causing interference |
05/08/1984 | US4446738 Acoustic scanning microscope |
05/01/1984 | US4445361 System for detection of transducer defects |
04/17/1984 | US4442714 Microscope and method of use |
04/17/1984 | CA1165855A1 Ultrasonic measuring device |
04/10/1984 | US4441368 Method and means for determining ultrasonic wave attenuation in tissue |
04/03/1984 | US4441173 Very low frequency hydrophone calibration |
03/06/1984 | US4434799 Ultrasound apparatus for medical examinations |
03/06/1984 | US4434648 Electroacoustic transducer calibration method and apparatus |
02/14/1984 | US4430897 Acoustic microscope and method |
02/14/1984 | US4430883 Device for the calibration of an ultrasonic transducer |
02/08/1984 | EP0100094A2 Ultrasonic blood flow imaging method and apparatus |
01/31/1984 | CA1161542A1 Method and device for processing wide-band signals having a large dynamic range |
01/17/1984 | CA1160728A1 Ultrasonic diagnostic apparatus |
01/10/1984 | US4425500 Firing range |
01/10/1984 | US4424715 Ultrasonic measuring device |
01/04/1984 | EP0097385A1 Measuring apparatus |
01/03/1984 | US4424511 Noise monitor |
01/03/1984 | US4423634 Device for the activation of an apparatus for measuring acoustic emission by detection of background noise |
11/29/1983 | US4417582 Resolution measuring device for acoustical imaging systems and method of use |
11/29/1983 | CA1157934A1 Determination of far fields signatures, for instance of seismic sources |
11/22/1983 | US4416155 Electronic noise detectors |
11/15/1983 | US4415996 Nonwavelength-limited holographic sound field reconstruction |
11/09/1983 | EP0093505A1 Method of measuring fluid oscillation amplitude |
11/08/1983 | US4413522 Ride quality meter |
10/26/1983 | EP0092191A2 Method and means for determining ultrasonic wave attenuation in tissue |
10/11/1983 | US4408494 Ultrasound measuring instrument |
09/28/1983 | EP0089841A1 Method and apparatus for measuring the intensity of an acoustic field |
09/27/1983 | US4406153 Ultrasonic beam characterization device |
09/20/1983 | CA1154139A1 Electro-acoustic device for the underwater signalling and identification of vessel |
09/14/1983 | EP0088521A2 Improvements in sound display systems |
09/06/1983 | CA1153459A1 Sensor for detecting particles in a fluid flow |
08/24/1983 | EP0086531A1 Apparatus for ultrasonic investigation |
08/09/1983 | US4397187 Chamber for tesing acoustical transmission loss characteristics of sheet materials |
07/27/1983 | EP0084174A2 Ultrasonic microscope |
07/26/1983 | US4394824 Acoustic microscope |
07/05/1983 | US4391124 Electroacoustic transducer calibration method and apparatus |
06/28/1983 | US4390026 Ultrasonic therapy applicator that measures dosage |
06/07/1983 | US4386530 Ultrasonic imaging equipment |
05/17/1983 | US4384335 Method of and system for determining the pitch in human speech |
05/03/1983 | US4381675 Ultrasound visualization systems |
04/19/1983 | US4380732 Signal spectrum display apparatus |
04/19/1983 | CA1144806A1 Ultrasonographic elements containing diffusable ion layer, barrier layer and layer for immobilizing diffusible ion |
03/16/1983 | EP0074204A1 Determination of system response |
03/01/1983 | US4375679 Hydrophone acoustic response chamber |
02/22/1983 | US4374477 Ultrasonic measuring device |
02/01/1983 | US4370884 Operational testing device for inlet valves and outlet valves of reciprocating engines |
01/11/1983 | US4367648 Dark field viewing apparatus |
12/08/1982 | EP0066515A1 Apparatus to generate noise and device to control the acoustic insulation in buildings |
12/07/1982 | US4362058 Ultrasonic diagnostic apparatus |
11/30/1982 | CA1136468A1 Ultrasonic imaging by contacting a catalytic element containing barrier means with a catalyst poison |
11/09/1982 | US4358733 Spectrum analyzer without distinct band-pass filter components |
10/20/1982 | EP0062629A1 A method and apparatus for registering a time-dependent quantity to be asured |
10/05/1982 | US4352293 Method of diagnosing vibration of rotary machine |
09/21/1982 | US4350045 Apparatus and method for characterizing an acoustic field |
09/21/1982 | CA1131973A1 Ultrasound imaging of internally fogged silver halide elements |
09/21/1982 | CA1131972A1 Ultrasonographic exposure apparatus |
09/14/1982 | US4349796 Devices incorporating phonon filters |
08/17/1982 | US4345247 Display system for steady state waves |
08/03/1982 | CA1129063A1 Passive remote temperature sensor system |
07/28/1982 | EP0056553A1 Procedure for the detection of acoustic sources and apparatus for surveillance by acoustic emissions |
06/29/1982 | CA1126850A1 Method of and device for determining the internal structure of a body by means of acoustic beams |
06/15/1982 | US4335452 Electro-acoustic device for the underwater signalling and identification of a vessel |
06/08/1982 | US4333474 Ultrasonic imaging system |
05/25/1982 | US4331021 Contrast resolution tissue equivalent ultrasound test object |
04/13/1982 | US4324849 Imagewise accelerating equilibration in ultrasonographic recording |
04/06/1982 | US4323077 Acoustic intensity monitor |
04/06/1982 | US4322976 Mechanical vibration analyzer |
04/06/1982 | CA1121499A1 Method and apparatus for reflective ultrasonic imaging utilizing reconstruction of acoustic impedance projections |
04/06/1982 | CA1121498A1 Acoustic imaging system |
03/10/1982 | EP0047100A2 Improvements in or relating to determination of far field signatures, for instance of seismic sources |
03/09/1982 | US4319081 Sound level monitoring apparatus |
02/16/1982 | US4315428 Sensor for detecting particles in a fluid flow |
01/26/1982 | US4312232 Vibration analyzer with digital readout |
01/19/1982 | CA1116740A1 Acoustic insulation measurement apparatus |
01/13/1982 | EP0043746A1 Actuation device for an acoustic emission measuring system using the detection of the background noise |
01/07/1982 | WO1982000055A1 A method and apparatus for registering a time-dependent quantity to be measured |
01/06/1982 | EP0043293A1 Digital phase detector |
01/06/1982 | EP0042945A1 Apparatus for and method of storing characteristics of an acoustic field |
12/22/1981 | US4307385 Noise monitoring apparatus |
12/22/1981 | US4307340 Spectrum display apparatus |
11/11/1981 | EP0039457A1 Acoustic microscope |
11/10/1981 | CA1112352A1 Test head for ultrasonic testing of structural material |
09/29/1981 | US4292471 Method of verifying a speaker |
09/15/1981 | US4290123 Towed array condition appraisal system |