| 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 |