Patents for G01H 3 - Measuring vibrations by using a detector in a fluid (2,243) |
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03/04/1987 | EP0212060A2 Calibration method for electro-acoustic measuring apparatuses |
03/03/1987 | US4646573 Scanning acoustic microscope |
02/25/1987 | EP0211680A1 Method of calibrating a kidney lithotripter |
02/25/1987 | EP0211488A2 Tuning apparatus |
02/24/1987 | US4644794 Acoustic guide for noise-transmission testing of aircraft |
02/12/1987 | DE3528705A1 Device for measuring the ultrasonic field produced by an ultrasonic transmitter |
02/10/1987 | US4641668 Ultrasonic blood flow imaging method and apparatus |
02/10/1987 | US4641530 Acoustic microscope for analyzing an object in depth having aspherical lenses |
02/03/1987 | US4640134 Apparatus and method for analyzing acoustical signals |
01/13/1987 | CA1216654A1 Audio dosimeter |
01/06/1987 | US4634966 Binary processing of sound spectrum |
01/06/1987 | US4633883 Ultrasonic diagnostic equipment |
12/09/1986 | US4628255 AGC technique for spectrum analyzers |
12/02/1986 | US4627092 Sound display systems |
12/02/1986 | US4625828 Acoustic reflector for ground plane microphone |
12/02/1986 | US4625542 Radiation power measuring apparatus |
11/11/1986 | US4621645 Method of estimating tissue attenuation using wideband ultrasonic pulse and apparatus for use therein |
11/04/1986 | US4620445 Portable acoustic intensity measuring device |
10/29/1986 | EP0198944A1 Scanning acoustic microscope |
10/01/1986 | EP0195800A1 Radiation power measuring apparatus |
09/30/1986 | US4614410 Ultrasonic microscope with optical microscope incorporated therein |
09/16/1986 | US4612665 Graphic equalizer with spectrum analyzer and system thereof |
09/09/1986 | US4611343 Audio spectrum analyzer operable in a difference mode |
09/09/1986 | US4610255 Ultrasonic non-linear parameter measuring system |
08/26/1986 | US4607528 Method of determining a clean propeller pressure signal from a propeller/engine exhaust combined signal measured in flight with a microphone arranged on a propeller-driven aircraft |
08/13/1986 | EP0190601A1 Safety device for a shock wave discharge tube |
08/12/1986 | US4604896 For the Jj-69 engine |
08/05/1986 | US4604719 Oscillator having a sixteen bit signal generation utilizing an eight bit processor |
08/05/1986 | CA1209240A1 Ultrasound measuring instrument |
07/22/1986 | US4601200 Measuring apparatus |
07/08/1986 | US4599567 Signal representation generator |
06/24/1986 | CA1206587A1 Ultrasonic examination device |
06/24/1986 | CA1206585A1 Acoustic microscope |
05/14/1986 | EP0181126A1 Signal synthesiser |
05/13/1986 | CA1204496A1 Acoustic power meter |
04/22/1986 | US4583405 Testing device |
04/15/1986 | US4581936 Ultrasonic camera |
04/08/1986 | US4581727 Finding the direction of a sound |
04/02/1986 | EP0176415A1 Acoustic microscope with aspherical lenses for the subsurface analysis of an object |
03/27/1986 | WO1986001889A1 Radiation power measuring apparatus |
03/25/1986 | US4577504 Acoustic microscope |
03/25/1986 | US4577503 Method and device for detecting a specific acoustic spectral feature |
03/12/1986 | EP0173955A2 A method and device for detecting a specific acoustic spectral feature |
03/11/1986 | US4575829 Method and apparatus for sound level determination |
02/10/1986 | CN85100620A Meter and measurement of harmonic distortion under great power of iouderspeaker |
02/04/1986 | US4567767 Method and apparatus for very low temperature acoustic microscopy |
01/28/1986 | US4566460 Measuring method and apparatus for non-linear parameter of acoustic medium and its application |
01/21/1986 | CA1199589A1 Sound display systems |
01/14/1986 | US4563900 Acoustic microscope |
01/14/1986 | US4563898 Acoustic microscope |
01/07/1986 | US4563756 Pseudo-random noise generator calibration for acoustic hydrophones |
12/31/1985 | CA1198805A1 Determination of system response |
11/27/1985 | EP0162638A1 Method of and apparatus for acoustic imaging |
11/19/1985 | US4554639 For measuring exposure to sound |
11/19/1985 | CA1197002A1 Finding the direction of a sound |
11/13/1985 | EP0161040A1 Surface acoustic wave spectrum analyzer |
11/12/1985 | US4552022 Sound discriminator tester |
11/05/1985 | US4550604 Abnormal noise detector for inspecting gear units |
11/05/1985 | US4550603 Abnormal noise detector for use in the inspection of gear units |
10/10/1985 | WO1985004490A1 Finding the direction of a sound |
10/09/1985 | EP0157154A1 Acoustic lens arrangement |
10/09/1985 | EP0157127A1 Circuit for separating high-frequency pulses at a reflecting acoustic lens system |
10/08/1985 | CA1194977A1 Process for detecting an acoustic source and an acoustic emission monitoring apparatus |
10/01/1985 | US4543830 Gas turbine rub detector |
09/17/1985 | US4541281 Ultrasonic microscope system |
09/03/1985 | US4538464 Method of measuring reactive acoustic power density in a fluid |
08/21/1985 | EP0152113A1 Ultrasonic diagnostic equipment |
08/07/1985 | EP0150843A2 Apparatus using focalized acoustic waves for studying the structure of an object |
08/06/1985 | US4532807 Method and apparatus for detecting sound source |
07/16/1985 | US4529973 School cafeteria sound level monitor |
07/10/1985 | EP0147955A2 Ultrasonic non-linear parameter measuring system |
07/09/1985 | US4528689 Sound monitoring apparatus |
07/02/1985 | CA1189945A1 Device for the activation of an apparatus for measuring acoustic emission by detection of background noise |
06/18/1985 | US4523466 Acoustic monitoring of tube vibration |
05/28/1985 | US4520503 Tone discrimination circuit |
05/08/1985 | EP0029451B1 Passive remote temperature sensor system |
05/07/1985 | US4515163 Method and a means for determining ultrasonic wave attenuation in tissue using zero crossing detector functioning within a specified frequency band |
04/30/1985 | US4514621 Firing range |
04/16/1985 | US4511998 Multielement acoustic transducer as well as a method of manufacturing the same and an acoustic imaging instrument |
04/16/1985 | US4510810 Ultrasonic microscope |
04/10/1985 | EP0136857A2 Apparatus for observing sound field of ultrasonic wave |
04/02/1985 | US4509189 Sound level indicating devices |
04/02/1985 | US4509061 Method and apparatus for forming photographic record of sound field |
02/26/1985 | US4501151 Ultrasonic therapy applicator that measures dosage |
02/19/1985 | CA1182898A1 Chamber for testing acoustical transmission loss characteristics of sheet materials |
02/13/1985 | EP0132807A2 Signal representation generator |
02/12/1985 | US4499393 Surface acoustic wave spectrum analyzer |
01/08/1985 | US4492917 Display device for displaying audio signal levels and characters |
01/08/1985 | US4492117 Ultrasonic nondestructive test apparatus |
01/08/1985 | US4492107 Acoustic power meter |
01/01/1985 | US4491020 Ultrasonic microscope |
12/19/1984 | EP0128635A2 Measuring non-linear parameter of acoustic medium |
12/04/1984 | US4486862 Determination of system response |
11/27/1984 | US4484476 Acoustic microscope device |
11/13/1984 | US4481811 Measurement of fluid oscillation amplitude |
11/06/1984 | US4481504 Sound level alarm which ignores transient sounds |
10/23/1984 | US4478072 Apparatus for determining the concentration of solids dispersed in a liquid |
10/17/1984 | EP0122074A2 Audio dosimeter |
10/17/1984 | EP0121890A2 Ultrasonic microscope system |
10/17/1984 | EP0121690A2 Acoustic microscope |