| Patents for G01H 17 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass (3,373) |
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| 02/13/2008 | CN100368788C 爆震传感器 Knock Sensor |
| 02/13/2008 | CN100368783C Method and device for detecting a pulse-type mechanical effect on a system part |
| 02/12/2008 | US7328617 Air levitation apparatus with neutralization device, and neutralization method for levitation apparatus |
| 02/07/2008 | US20080033695 Abnormality Diagnosing System For Mechanical Equipment |
| 02/06/2008 | CN101118177A Portable two-channel vibrating functional failure diagnostic apparatus |
| 02/06/2008 | CN100367021C Knocking sensor for internal combustion engine and manufacturing method of the same |
| 01/31/2008 | DE102006034504A1 Electrical device for vehicle, has sensor for providing impact sound and/or acceleration signals, and mounting point designed as mounting flange formed by housing body, where sensor is arranged in proximity of mounting point |
| 01/30/2008 | CN201014962Y Audio testing device |
| 01/17/2008 | DE10357690B4 Verwenden thermischer Bildgebung zum Verhindern von Wirkungsgradverlust bei einer Dampfmaschine Using thermal imaging for preventing loss of efficiency in a steam engine |
| 01/02/2008 | EP1537390B1 Method for detecting oscillations of the shafting of an electric machine |
| 12/27/2007 | US20070299636 Load Body State Judging Device, Vehicle Seat And Computer Program |
| 12/26/2007 | CN200997684Y Sound-isolating box for inspecting audio frequency |
| 12/19/2007 | CN200993614Y Air conditioner noise-aircurrent measurement laboratory |
| 12/18/2007 | US7310575 Apparatus for processing sensor signal from knock sensor of internal combustion engine |
| 12/13/2007 | US20070283758 Sensor |
| 12/06/2007 | US20070277613 Method And Device For Assessing Residual Service Life Of Rolling Bearing |
| 11/21/2007 | CN200979455Y A split-type environmental noise monitoring terminal |
| 11/14/2007 | CN101071169A Method for adjusting the resonance frequency of an oscillation section for a sensor |
| 11/14/2007 | CN101071076A Inspection apparatus and method |
| 11/07/2007 | EP1330690A4 Separation of periodic and non-periodic signal components |
| 11/07/2007 | CN200972446Y Single light source exciting ride meter based on sinusoidal phase modulation |
| 10/31/2007 | CN101063629A Judging functional failure of electromechanical by speech recognition technology |
| 10/25/2007 | US20070245804 Vibration sensor and method of detecting vibration |
| 10/23/2007 | US7286946 Transmission characteristic measuring device transmission characteristic measuring method, and amplifier |
| 10/18/2007 | WO2007116825A1 Sound pressure characteristic measuring device |
| 10/11/2007 | US20070234806 Ultrasonic strain imaging device and method providing parallel displacement processing |
| 10/11/2007 | US20070234805 Remote, early-time acoustic impact Doppler inspection |
| 10/10/2007 | CN101052861A Movement detection device and movement detection method |
| 10/10/2007 | CN101051456A Audio frequency phase detecting and automatic correcting device |
| 10/04/2007 | WO2007111765A2 Ultrasonic strain imaging device and method providing parallel displacement processing |
| 10/04/2007 | US20070228878 Acoustic Decoupling in cMUTs |
| 10/04/2007 | US20070228877 Signal Control in Micromachined Ultrasonic Transducer |
| 10/03/2007 | CN101046408A Hydrophone possessing on-line self calibrating function |
| 09/27/2007 | WO2004075030A8 Monitoring contents of fluid containers |
| 09/26/2007 | CN101042311A Detection method and apparatus for barrel type steel ball grinder load based on multiple sensor fusion |
| 09/13/2007 | WO2006058006A3 Identification of the channel frequency response using chirps and stepped frequencies |
| 09/12/2007 | EP1232690B1 Method and device for measuring frequency of specific behavior of animal |
| 08/22/2007 | CN1333243C Dynamic measuring system with four sensors for acoustic field spacial distribution of acho signals of bat |
| 08/22/2007 | CN101021435A Multi-channel noise and libration testing method and tester |
| 08/08/2007 | CN2932334Y Audio detector assembly for motorcycle test |
| 08/08/2007 | CN101013047A Abnormal noise correction verification apparatus and method |
| 08/02/2007 | US20070179756 Apparatus for processing sensor signal from knock sensor of internal combustion engine |
| 08/02/2007 | US20070175278 Automated characterization and classification of microorganisms |
| 08/01/2007 | CN2929674Y Audio frequency phase detector |
| 07/31/2007 | US7249511 Method of detecting resonant frequency, method of selecting resonance frequency, and device for detecting resonant frequency sensor |
| 07/25/2007 | CN101004358A Sound detection device |
| 07/25/2007 | CN101004357A Apparatus for measuring vibration characteristic of head gimbal assembly |
| 07/19/2007 | WO2007081052A1 Light emission responder |
| 07/19/2007 | WO2007080692A1 Ae sensor and method for checking operating state of ae sensor |
| 07/18/2007 | EP1808679A1 Movement detection device and movement detection method |
| 07/17/2007 | US7243529 Knock detecting apparatus for internal combustion engine |
| 07/11/2007 | CN1996475A Measurement system and method for the CD-ROM machine vibration |
| 07/11/2007 | CN1995931A Method for seeking intrinsic sound ray |
| 07/10/2007 | US7242479 Gas sensors |
| 07/10/2007 | CA2304523C Method and system for combined vibration measurements |
| 06/27/2007 | EP1801600A1 Electrostatic sensor |
| 06/27/2007 | EP1800095A1 Farfield analisys of noise sources |
| 06/27/2007 | CN2916599Y Digital true effective value rectifying module |
| 06/07/2007 | US20070126540 System and Method for Reducing Effect of Magnetic Fields on a Magnetic Transducer |
| 06/06/2007 | CN2909198Y Sound field measuring instrument using transmission method |
| 06/06/2007 | CN1320372C Method for testing and identifying underwater sound noise based on small wave area |
| 05/31/2007 | WO2003071569A3 Analytical instruments using a pseudorandom array of sample sources, such as a micro-machined mass spectrometer or monochromator |
| 05/31/2007 | US20070119258 Resonant vibratory device having high quality factor and methods of fabricating same |
| 05/30/2007 | CN1971228A 爆震传感器 Knock Sensor |
| 05/29/2007 | US7225109 Method and apparatus to diagnose mechanical problems in machinery |
| 05/23/2007 | CN1967177A Method for measuring wave speed of rock mass in front of tunnel face in tunnel |
| 05/23/2007 | CN1967146A Measurement for eigenfrequency of interferometric type fiber-optic gyroscope by using asymmetrical square wave modulation method |
| 05/22/2007 | CA2337000C Abnormalities detection with acoustic monitor |
| 05/10/2007 | DE102005053223A1 Chassis diagnosis system for e.g. truck, has chassis components whose vibrations characteristics are evaluated, where variations between actual- and reference-vibrations characteristics are stored as error codes and are read during overhaul |
| 05/09/2007 | CN1959354A Method for measuring frequency characteristic and rising edge of impulse response, and sound field correcting apparatus |
| 05/09/2007 | CN1959353A Rough road detection system |
| 05/09/2007 | CN1959352A System and method for testing buzzer |
| 05/08/2007 | US7213461 Torsional shaker apparatus for inspecting rotatable power generation machinery |
| 05/01/2007 | CA2279609C Device to actively weaken undesirable vibrations in a rotating roll; device for treatment of a material web; specifically a paper or cardboard web |
| 04/25/2007 | CN1952629A Frequency-characteristic-acquisition device, frequency-characteristic-acquisition method, and sound-signal-processing device |
| 04/25/2007 | CN1952628A Sound measuring apparatus and method, and audio signal processing apparatus |
| 04/25/2007 | CN1952627A A separating method for sound field |
| 04/24/2007 | US7207207 Knock sensor |
| 04/19/2007 | US20070086594 Signal processor, method of signal processing and computer program |
| 04/18/2007 | CN2890862Y Multifunctional horn tester |
| 04/18/2007 | CN1948949A Single light source vibration exciting tester based on sine phase modulation |
| 04/17/2007 | US7206691 Internal combustion engine knock determination device |
| 04/11/2007 | EP1772713A1 Impulse-responsive measurement method and device |
| 04/11/2007 | EP1772712A1 Method for analyzing sound quality of exhaust sound |
| 04/11/2007 | CN1945907A Blower for a laser oscillator and laser oscillator using the same |
| 04/05/2007 | WO2004075030A3 Monitoring contents of fluid containers |
| 04/05/2007 | DE202007000566U1 Gerät zum Messen von Taktzeiten und -frequenzen in pneumatischen Anlagen Apparatus for measuring cycle times and frequencies in pneumatic systems |
| 04/04/2007 | CN1940510A Aid device for setting inspection standard |
| 03/29/2007 | WO2007033410A1 Method and apparatus for measuring properties of board products |
| 03/29/2007 | US20070068254 Device for measuring an amount of rinsing additives to be metered in |
| 03/29/2007 | US20070068253 Uni-index variable angle phased array probe |
| 03/21/2007 | CN1934433A Method and device for assessing remaining life of rolling bearing |
| 03/21/2007 | CN1932456A Low-frequency wave rate measuring system and method |
| 03/20/2007 | US7194133 Methods for detecting similarity between images, voices, oscillation waves, moving images, and solids and methods for recovering the image, voice, abnormality in a machine, moving image, and solid by the use of detected value thereof |
| 03/20/2007 | US7191851 Unattended ground sensor assembly |
| 03/15/2007 | US20070056371 Portable electronic device |
| 03/13/2007 | US7188511 Stress wave sensor |
| 03/08/2007 | WO2007025437A1 An ultrasound power measuring device |
| 03/07/2007 | CN2876737Y Noise tester for use between pavement and tyre |
| 03/07/2007 | CN1926413A Abnormality diagnosis system for machinery |