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