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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02/27/2014 | WO2014031380A1 Acoustic sensor |
02/26/2014 | CN203455072U Portable electric-traction coal cutter dynamic signal acquisition instrument |
02/26/2014 | CN103604494A Method for improving accuracy of transformer substation boundary noise measurement |
02/19/2014 | CN203443780U Ultra-large type being vibration noise quality inspection machine |
02/19/2014 | CN203443603U Looseness-prevention structure of magnetic seat and vibration sensor |
02/19/2014 | CN203437189U Milling sound detection system structure |
02/19/2014 | CN103592128A Noise testing device and method for aircraft engine bypass |
02/19/2014 | CN103592022A Real-time sound field separation method adopting sound pressure and mass point acceleration measurement |
02/19/2014 | CN103592021A Method for testing and evaluating transmission of transformer substation vibration in building |
02/19/2014 | CN103590217A Horizontal 360-degree vibration detecting device for washing and water extracting machine |
02/19/2014 | CN102519579B Detection method of turbine collision and abrasion faults |
02/19/2014 | CN102333265B Replay method of sound fields in three-dimensional local space based on continuous sound source concept |
02/13/2014 | WO2014024559A1 Vibration detecting apparatus |
02/12/2014 | EP2696214A1 Intrusion detection device |
02/12/2014 | CN203432679U Measuring device for boundary background noise during operation of transformer station |
02/12/2014 | CN103582607A Calibration of MEMS sensor |
02/12/2014 | CN103575384A Tool for stably measuring tuning fork crystal prime submodule frequency |
02/12/2014 | CN102914364B Dynamic identifying method for instant contact loss of wheel rail under impact effect of wheel rail |
02/12/2014 | CN102435299B Mini-type vibration sensor array and application thereof to ground target tracking |
02/12/2014 | CN102288283B Method and device for monitoring vibration faults of turbo generator set |
02/05/2014 | CN103558519A GIS partial discharge ultrasonic signal identification method |
02/05/2014 | CN103558029A Abnormal engine sound fault on-line diagnostic system and diagnostic method |
02/05/2014 | CN103557933A Acoustic method for determining cavitation of head of model water turbine runner blade |
02/05/2014 | CN103557932A Configurable online signal collecting and storing device of wind turbine generator |
02/05/2014 | CN103557931A Ultrasound amplitude measuring device and method based on constant force control |
02/05/2014 | CN103557930A Automatic connecting mechanism of online detection quiet room |
02/05/2014 | CN102721465B System and method for diagnosing and preliminarily positioning loosening faults of iron core of power transformer |
01/29/2014 | CN203414166U High-far degree controllable noise meter tripod |
01/29/2014 | CN103547899A 振动监视系统 Vibration Monitoring System |
01/29/2014 | CN103542929A Method for extracting signal features of bearings on basis of wavelet packet energy matrixes |
01/29/2014 | CN103542928A Vibratory monitoring protector |
01/29/2014 | CN102914363B Experimental device for quantitative analysis of influence rule of bending on shaft rotation vibration |
01/29/2014 | CN101750144B Method and device for acoustic length testing of compressor |
01/22/2014 | CN203405275U Noise integration sampling box |
01/22/2014 | CN203405232U Intelligent detecting system for power transmission line |
01/22/2014 | CN103534564A Knocking sensor |
01/22/2014 | CN103528672A Magneto acoustic signature analysis method based on spectral analysis and time domain correlation method |
01/22/2014 | CN103528671A Effective method for removing background vibration in vibration observation signal |
01/22/2014 | CN103528670A Stall detection of wind turbine blades |
01/21/2014 | CA2679953C Loudness measurement with spectral modifications |
01/16/2014 | WO2014009563A1 A method for authenticating a timepiece |
01/16/2014 | WO2014009562A1 Method and system for authenticating a timepiece |
01/16/2014 | WO2014009560A1 Method for authenticating a timepiece |
01/16/2014 | WO2014009558A1 Method for authenticating a timepiece |
01/16/2014 | DE10220613B4 Verfahren und Vorrichtung zur Durchführung von sogenannten Crashtests Method and apparatus for carrying out so-called crash tests |
01/15/2014 | CN203396480U Air cooling device for flue gas turbine vibration probe of catalytic cracking device |
01/15/2014 | CN203396479U Wind turbine generator vibration monitor configured through Bluetooth |
01/15/2014 | CN203396425U A testing apparatus for a main shaft case |
01/15/2014 | CN103513138A Transformer winding and iron core fault diagnosis method based on vibration characteristic |
01/15/2014 | CN103512652A Boundary background noise testing method suitable for transformer substation during operation |
01/15/2014 | CN103512651A Vibration abrupt change alarm based wind turbine state monitoring method and apparatus |
01/15/2014 | CN103512650A 蜂鸣器测试电路 Buzzer test circuit |
01/08/2014 | CN203385480U Equipment detecting noise of vehicle seat adjusting motor |
01/08/2014 | CN103499388A System and method for detecting sound transmission characteristics of tunnel multi-section |
01/08/2014 | CN102654420B Volume curve automatic test method and system thereof |
01/08/2014 | CN101676705B Failure detect device and failure detect method |
01/01/2014 | CN103487136A Method for quantitatively detecting welding spatter by utilizing acoustic emission signal energy equivalent of resistance spot welding process |
01/01/2014 | CN103487135A Microphone array optimum design method for closed wind channel aerodynamic noise measurement |
01/01/2014 | CN103487134A Campbell diagram displays and methods and systems for implementing same |
01/01/2014 | CN102157953B Decoupling calculation method for damp synchronization measurement of shaft series subsynchronous vibration machine of turbo-generator set |
12/27/2013 | WO2013190973A1 State determination device for structure and state determination method for structure |
12/27/2013 | WO2013190728A1 State determination device for structure and state determination method for structure |
12/25/2013 | CN203364959U Sound intensity distribution measurement positioning frame |
12/25/2013 | CN203364958U Acoustical power testing support |
12/25/2013 | CN203364957U Porcelain brace insulator vibration acoustics detection test stand |
12/25/2013 | CN203364956U Installation structure of acceleration vibration intensity sensor |
12/25/2013 | CN103473553A Moving target recognition method based on acoustic-shock compound sensor |
12/25/2013 | CN103472350A Transformer diagnosis system and diagnosis method |
12/25/2013 | CN103471709A Method for predicting noise quality of noise inside passenger vehicle |
12/25/2013 | CN103471708A Rotating machine fault diagnosis method based on nonlinear ICA (Independent Component Analysis) of improved particle swarm |
12/25/2013 | CN103471707A Vibration testing system and method |
12/25/2013 | CN103470901A Hydrophone installation seat |
12/25/2013 | CN101625411B Method for dynamic calculation of noise levels |
12/24/2013 | US8613223 Sound sensor array with optical outputs |
12/19/2013 | WO2013185405A1 Power transformer iron core looseness fault diagnosis and preliminary fault location system and method |
12/18/2013 | CN203349927U Installation protection device for sensor, and vibration detection device for air conditioner |
12/18/2013 | CN203349926U Motor detection apparatus based on sound waves |
12/18/2013 | CN103453984A Wind power generation set vibration state monitoring and fault diagnosis system based on WiMAX system |
12/18/2013 | CN103453983A Industrial data acquisition method and system based on time diversion multiplexing and multiple channels |
12/18/2013 | CN103453982A Sound sensor node module with positioning function |
12/18/2013 | CN103453981A Vibration sensor node module with positioning function |
12/18/2013 | CN103453935A Testing device of spindle box |
12/18/2013 | CN101788883B Input device and method, information processing apparatus and method, information processing system, and program |
12/12/2013 | WO2013184608A1 Vibration data collection and processing for a gas turbine engine |
12/12/2013 | WO2013183314A1 Structure analysis device and structure analysis method |
12/12/2013 | WO2013183313A1 Structure analysis device and structure analysis method |
12/11/2013 | CN203337257U Steam turbine rotor blade frequency measurement tooling fixture |
12/11/2013 | CN103438991A Test method of environmental noise tester |
12/11/2013 | CN103438990A High-temperature-condition sound field measurement and analysis device and analysis method thereof |
12/11/2013 | CN103438989A Semi-anechoic room sound field automatic measurement and detection method and standard device |
12/11/2013 | CN103438988A Method for automatically measuring and testing sound field of complete anechoic chamber and standard device |
12/11/2013 | CN103438987A Ship radiation noise source distinguishing method based on super directivity small-bore cylindrical array |
12/11/2013 | CN103438986A Vibration and skewing analysis method |
12/11/2013 | CN103438985A Sound field information collecting method for sound field synthesis |
12/11/2013 | CN103438984A Standing wave tube installation mechanical device for sound intensity measurement instrument calibration device |
12/11/2013 | CN103438983A Data processing method of signal random average spectrums |
12/05/2013 | WO2013179709A1 Electret-type vibration detection system, method for generating external vibration information, method for generating transfer function information relating to external vibration, program for generating external vibration information, and program for generating transfer function information relating to external vibration |
12/04/2013 | CN203323867U Acquisition device for low-frequency vibration signals of wind turbine generator set |
12/04/2013 | CN203323866U On-line dynamic signal test acquisition analysis system |
12/04/2013 | CN203323865U Motor noise testing tool |