| Patents for G01H 3 - Measuring vibrations by using a detector in a fluid (2,243) |
|---|
| 09/08/1981 | US4287771 Vehicle pass-by and community noise monitor |
| 09/01/1981 | US4287581 Ultrasonic fluid leak detector |
| 09/01/1981 | US4286455 Ultrasound phantom |
| 08/26/1981 | EP0034479A1 Cardiac monitoring system |
| 08/18/1981 | US4285010 Ultrasonic interrogating system and exciter-detector circuit therefor |
| 08/04/1981 | US4282585 Site occupancy detector |
| 08/04/1981 | US4282453 Transducer apparatus for detecting airborne pressure pulse |
| 08/04/1981 | US4281551 Apparatus for farfield directional pressure evaluation |
| 07/29/1981 | EP0032739A1 A multielement acoustic transducer, a method of manufacturing the same, and use of the same in an acoustic imaging instrument |
| 07/29/1981 | EP0032732A1 Ultrasonic imaging equipment |
| 07/28/1981 | US4281241 Firing range |
| 07/21/1981 | US4279157 Method of and device for determining the internal structure of a body by means of acoustic beams |
| 07/14/1981 | US4277980 Apparatus and method for indicating sound levels |
| 07/08/1981 | EP0031806A2 Apparatus for controlling the functioning of internal-combustion engine valves |
| 06/23/1981 | CA1103489A1 Digital type ultrasonic holography apparatus |
| 05/26/1981 | US4269914 Ultrasonographic elements containing multiple layers and processes for their use |
| 05/19/1981 | US4267732 Acoustic microscope and method |
| 05/12/1981 | US4266421 Vibration sensors for internal combustion engines |
| 05/06/1981 | EP0028103A1 A spectrum analyzer |
| 05/05/1981 | CA1100621A1 Artificial ear for telephonometric measurements |
| 04/21/1981 | US4263520 Signal detecting circuit for electronic musical instrument |
| 03/24/1981 | US4257273 Sound pressure level meter |
| 03/24/1981 | US4257269 Method and apparatus for producing visible image of object |
| 03/17/1981 | CA1097789A1 Apparatus for ultrasonic measurement |
| 02/25/1981 | EP0024262A1 Electroacoustic signalisation and submarine identification device of a ship |
| 02/17/1981 | US4251686 Closed sound delivery system |
| 01/27/1981 | US4246784 Passive remote temperature sensor system |
| 01/27/1981 | CA1094676A1 Reference element for adjusting ultrasonic test equipment |
| 12/16/1980 | US4238963 Test head for ultrasonic testing of structural material |
| 12/11/1980 | WO1980002745A1 Passive remote temperature sensor system |
| 12/11/1980 | WO1980002744A1 Apparatus for measuring acoustic frequency characteristics |
| 11/26/1980 | EP0019528A1 Apparatus for measuring the power of a source of noise and the absorption rate of a material |
| 11/25/1980 | US4236040 Sound intensity meter |
| 11/11/1980 | US4232555 Ultrasonographic exposure apparatus |
| 11/04/1980 | CA1089101A1 Logarithmic statistical distribution analyser |
| 10/29/1980 | EP0018269A2 Ultrasonographic exposure apparatus |
| 10/29/1980 | EP0018268A2 Ultrasonographic elements containing multiple layers and process for preparing images |
| 10/14/1980 | US4228439 Level and frequency measuring recorder |
| 10/14/1980 | US4228230 Ultrasonic imaging of internally fogged silver halide elements |
| 09/30/1980 | US4225658 Ultrasonic imaging with catalytic elements |
| 09/30/1980 | US4224820 Frequency deviation meter for timepieces |
| 09/17/1980 | EP0015852A1 Device for measuring the total or the directional power emitted by an acoustical source |
| 09/16/1980 | US4223082 Electromagnetic waves |
| 09/16/1980 | US4222394 System for processing a waveform for a larynx stroboscope |
| 09/16/1980 | US4222273 Digital type ultrasonic holography apparatus |
| 08/20/1980 | EP0014633A2 Process for preparing an ultrasonographic image |
| 07/23/1980 | EP0013652A2 Ultrasonographic process |
| 07/15/1980 | US4213184 Signal processor for processing ultrasonic receiver signals |
| 06/25/1980 | EP0012262A1 Apparatus and method for acoustically examining a microscopic portion of an object |
| 06/17/1980 | US4208735 Moving sound source identifying system |
| 06/17/1980 | US4207901 Ultrasound reflector |
| 06/17/1980 | CA1079842A1 Acoustic measuring system |
| 06/03/1980 | US4205584 Tuning device for musical instruments |
| 05/27/1980 | US4204432 Acoustic insulation measurement apparatus |
| 05/20/1980 | US4204260 Recursive percentile estimator |
| 04/15/1980 | US4198606 Tuning apparatus |
| 02/26/1980 | CA1072434A1 Noise control materials |
| 02/19/1980 | CA1072200A1 Light coupled read-out system for noise dosimeter |
| 01/08/1980 | US4182154 Initializing ultrasonic test equipment with a particular reference element |
| 01/01/1980 | US4181004 Ultrasound wattmeter |
| 12/25/1979 | US4179937 Sound measuring device |
| 12/25/1979 | US4179936 Acoustic image recorders |
| 12/18/1979 | CA1068393A1 Method and device for measuring and registering of sound |
| 10/23/1979 | CA1065044A1 Method and apparatus for analyzing harvester efficiency |
| 09/25/1979 | US4168628 Pulse-echo ultrasonic-imaging display system having time-varied effective aperture |
| 09/11/1979 | CA1062056A1 Stroboscopic tuning device for musical instruments |
| 08/21/1979 | US4165458 Signal decision system |
| 08/07/1979 | US4164036 Quadrature correlation phase reversal pulse detector |
| 07/17/1979 | CA1058744A1 Method of and apparatus for acoustic imaging |
| 07/10/1979 | US4160388 Power measuring apparatus for ultrasonic transducers |
| 06/26/1979 | CA1057389A1 Method for distinguishing between single-phase gas and single-phase liquid leaks in well casings |
| 05/22/1979 | CA1055144A1 Seeder monitor |
| 05/01/1979 | US4152555 Artificial ear for telephonometric measurements |
| 04/24/1979 | US4150568 Apparatus and method for down hole vibration spectrum analysis |
| 03/27/1979 | CA1051544A1 Device for examination by means of ultrasonic vibrations |
| 03/20/1979 | US4145680 Acoustic imaging system |
| 03/20/1979 | US4144768 Apparatus for analyzing complex acoustic fields within a duct |
| 03/06/1979 | US4143350 Signal enhancement system |
| 02/13/1979 | US4138895 Switchable depth of focus pulse-echo ultrasonic-imaging display system |
| 01/09/1979 | US4133212 Parabolic focussing thermal detector for low level ultrasonic power measurements |
| 11/21/1978 | US4126203 Air-coupled seismic detector |
| 11/07/1978 | US4124895 Acoustic measuring system |
| 10/24/1978 | US4122432 Device for identifying noise sources |
| 10/24/1978 | US4121468 Method and apparatus for reflective ultrasonic imaging utilizing reconstruction of acoustic impedance projections |
| 10/17/1978 | US4120229 Electronic tuner |
| 10/03/1978 | US4117757 Rectangular waveform signal reproducing circuit for electronic musical instruments |
| 09/26/1978 | US4116040 Tissue simulating calibration and reference standard |
| 09/26/1978 | CA1039359A1 Electronic tuner for musical instruments |
| 09/19/1978 | US4114721 Method and system for acoustic noise logging |
| 09/19/1978 | US4114457 Apparatus for ultrasonic measurement |
| 08/15/1978 | US4106348 Device for examination by means of ultrasonic vibrations |
| 08/08/1978 | US4104923 Ultrasonic radiation balance |
| 07/25/1978 | US4102208 Sound level meter |
| 07/18/1978 | US4100810 Light coupled read-out system for noise dosimeter |
| 07/11/1978 | US4099417 Method and apparatus for detecting ultrasonic energy |
| 04/11/1978 | US4084245 Arrangement for statistical signal analysis |
| 04/04/1978 | US4083031 Acoustic presence detection method and apparatus |
| 03/14/1978 | US4079198 Electro-acoustic impedance bridges |
| 03/07/1978 | US4078233 Analog to digital converter circuit with gain ranging feedback |
| 03/07/1978 | US4077253 Apparatus and method for the imaging of the internal structure of a three-dimensional solid and/or liquid object |