| Patents for G01H 13 - Measuring resonant frequency (1,015) |
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| 05/05/2011 | US20110102162 Haptic feedback generation based on resonant frequency |
| 04/27/2011 | CN201811784U Tester for testing resonance frequency of concrete |
| 04/27/2011 | CN101402443B Mould condition excitation cantilever arm fine beam and mould condition shape electrode width determining method thereof |
| 04/20/2011 | EP2310829A1 A system and method for detection, characterization and imaging of heterogeneity using shear wave induced resonance |
| 04/13/2011 | CN201795858U Simple formaldehyde gas detector |
| 04/06/2011 | CN201788018U Miniature diaphragm resonance-frequency detector for microphone |
| 04/06/2011 | CN102004041A Semi-vehicle mass simulation state based bogie hanging natural vibration characteristic test bed |
| 04/06/2011 | CN101270991B System for measuring interfere type optic fiber gyroscope eigenfrequency and half-wave voltage adopting square wave modulation |
| 03/24/2011 | US20110071776 Controlled compressional wave components of thickness shear mode multi-measurand sensors |
| 03/17/2011 | US20110061462 Crystal oscillator, and measurement method using same |
| 03/02/2011 | EP2290722A1 Apparatus, method and program for predicting sensitivity of a piezoelectric or electrostrictive sensor |
| 02/24/2011 | WO2010135435A3 Detection and measurement of mass change using an electromechanical resonator |
| 02/24/2011 | DE19924369B4 Verfahren und Vorrichtung zur Überprüfung der Dichtheit von Senoren Method and device for checking the tightness of Senoren |
| 02/23/2011 | CN101981532A Systems and methods for resonance detection |
| 02/17/2011 | US20110040504 Fruit maturity determination method and system |
| 02/10/2011 | US20110030476 Laser ultrasonic multi-component imaging |
| 02/09/2011 | CN101672692B Tuning fork resonance frequency quick measuring method based on virtual instrument |
| 02/03/2011 | US20110023607 Resonator device for detecting helium |
| 01/26/2011 | EP2277097A1 Systems and methods for resonance detection |
| 01/20/2011 | WO2011007315A2 A system and method for measuring a resonance frequency of a tube |
| 01/20/2011 | US20110014577 Pellicle inspection device, exposure apparatus using same, and device manufacturing method |
| 01/13/2011 | WO2011005454A2 Determining the resonance parameters for mechanical oscillators |
| 01/13/2011 | CA2764416A1 Determining the resonance parameters for mechanical oscillators |
| 01/12/2011 | EP1428001B1 Method and apparatus for model based estimation of natural frequency responses of tube sub-systems including shrouded bellows |
| 01/05/2011 | CN101629846B Method for detecting synchronous vibration parameters of high-speed rotary blade under constant speed |
| 01/04/2011 | US7861590 Method of determining sublimate in thermoset film with QCM sensor |
| 12/30/2010 | US20100326193 System and Method for Characterizing Vibration of a Rack Structure |
| 12/29/2010 | CN101402444B Mould condition excitation both-end fine beam and mould condition shape electrode width determining method thereof |
| 12/23/2010 | US20100319457 Device for improved response when measuring vibration frequency of a vibrating object |
| 12/14/2010 | US7849746 Driver device, physical quantity measuring device, and electronic instrument |
| 12/07/2010 | US7845231 Shear measuring method and its device |
| 12/02/2010 | WO2010138076A1 A method and system for measuring a frequency response of a slider |
| 12/01/2010 | CN101625260B Method for detecting high speed rotating blade synchronous vibration parameters under speed change |
| 11/25/2010 | WO2010135435A2 Detection and measurement of mass change using an electromechanical resonator |
| 11/11/2010 | WO2010128056A1 Method and device for testing the stability of a pole |
| 11/11/2010 | WO2010060650A3 Vibro-acoustically effective aggregate |
| 11/11/2010 | CA2761236A1 Method and device for testing the stability of a mast |
| 11/03/2010 | CN101876567A Tracking testing system of resonant frequency of quartz crystal microbalance and method thereof |
| 10/27/2010 | CN201615901U 简易甲醇气体检测装置 Simple methanol gas detection device |
| 10/13/2010 | CN1744435B Frequency rectification system |
| 10/07/2010 | US20100251802 Quartz crystal microbalance with nanocrystalline oxide semiconductor thin films and method of detecting vapors and odors including alcoholic beverages, explosive materials and volatilized chemical compounds |
| 10/07/2010 | US20100251487 Method and device for determining the optimal rotational speed of a drum of a laundry treatment device |
| 09/29/2010 | CN101849169A Method and system for turbine blade characterization |
| 09/15/2010 | CN101354284B Method for testing resonance frequency of high range piezoresistance acceleration sensor |
| 08/31/2010 | US7787635 Dip filter frequency characteristic decision method |
| 08/12/2010 | US20100199765 Methods and apparatus for detection of air ingress into cryogen vessels |
| 08/12/2010 | US20100199746 Cantilever Type Sensor |
| 08/11/2010 | CN101799319A Method for measuring resonance frequency of high-speed tilting mirror |
| 07/27/2010 | CA2427839C Method and apparatus for measuring and orienting golf club shaft |
| 07/22/2010 | US20100181871 Sensors and actuators using piezo polymer layers |
| 07/15/2010 | US20100179775 Determination of blade vibration frequencies and/or amplitudes |
| 07/06/2010 | CA2359141C Method for detecting blade breakage using rate and/or impedance information |
| 06/24/2010 | US20100158071 Surface acoustic wave based micro-sensor apparatus and method for simultaneously monitoring multiple conditions |
| 06/24/2010 | US20100154544 Integrated torsional-microbalance device in mems technology and fabrication process thereof |
| 06/17/2010 | US20100148803 Passage detection apparatus of object |
| 06/15/2010 | US7735747 Micro-spray system resonance frequency modulation method and device |
| 06/03/2010 | WO2010060650A2 Vibro-acoustically effective aggregate |
| 06/01/2010 | US7726189 Nonlinear micromechanical resonator |
| 05/27/2010 | US20100126275 Self-calibrating ultrasound systems and methods |
| 05/27/2010 | DE102008040174B4 Verfahren zum Betrieb einer Maschine mit zumindest einem rotierenden Bauteil Method for operating a machine having at least one rotating component |
| 05/25/2010 | US7721605 Mechanical oscillator activated or deactivated by a predetermined condition |
| 05/12/2010 | CN101706579A MEMS dynamic tester based on self-mixing effect of diode laser |
| 05/05/2010 | CN101701871A Whole-machine test method and system for wind turbine |
| 04/28/2010 | EP1600941B1 Dip filter frequency characteristic decision method |
| 04/27/2010 | US7706985 System and method for in-situ monitoring of composite materials |
| 04/14/2010 | CN201438134U Vibration aging system capable of judging peak rapidly |
| 04/08/2010 | US20100083762 Fabrication and use of submicron wide suspended structures |
| 04/06/2010 | US7690256 Sensing device |
| 03/24/2010 | EP2165167A2 Method and system for turbine blade characterization |
| 03/18/2010 | WO2009034476A3 Method and system for turbine blade characterization |
| 03/18/2010 | US20100066346 Fabrication of microstructures integrated with nanopillars along with their applications as electrodes in sensors |
| 03/18/2010 | US20100064813 Vibratory sensor |
| 03/17/2010 | CN101672692A Tuning fork resonance frequency quick measuring method based on virtual instrument |
| 03/04/2010 | US20100050772 Nanomechanical Resonance Detector |
| 02/11/2010 | US20100031748 Non-linear Optical Imaging of Protein Crystals |
| 02/04/2010 | WO2010013040A1 Oscillating element sensor for detecting boundary layer transition1 |
| 02/04/2010 | WO2010012092A1 A system and method for detection, characterization and imaging of heterogeneity using shear wave induced resonance |
| 02/04/2010 | CA2732334A1 A system and method for detection, characterization and imaging of heterogeneity using shear wave induced resonance |
| 02/04/2010 | CA2728368A1 Oscillating element sensor for detecting boundary layer transition1 |
| 01/20/2010 | CN101629846A Method for detecting synchronous vibration parameters of high-speed rotary blade under constant speed |
| 01/20/2010 | CN100582689C Method for failure analysis of turbine rotary clapboard post-moving blade |
| 01/19/2010 | US7647827 Machine and operating environment diagnostics, detection and profiling using sound |
| 01/19/2010 | US7647826 Method and device for measuring operational density and/or operational sound velocity in a gaseous medium |
| 01/14/2010 | DE102008040174A1 Method for operating machine e.g. machine tool, using e.g. cylinder, for printing machine i.e. .rotary printing press, involves reducing speed of component to value during achievement of reference speed or speed above reference speed |
| 01/13/2010 | CN101625260A Method for detecting high speed rotating blade synchronous vibration parameters under speed change |
| 12/22/2009 | US7635094 Micro-spray system resonance frequency modulation method and device |
| 12/10/2009 | US20090301196 Piezoelectric and piezoresistive cantilever sensors |
| 11/18/2009 | CN101581601A Detection method, micro-electromechanical component and micro-detection structure of micro-mechanical structure |
| 10/28/2009 | EP2111535A1 Vibrating wire sensor using spectral analysis |
| 10/21/2009 | EP2110649A1 Sensor for surveying mechanical construction parts |
| 10/21/2009 | EP1841560B1 Method and system for determining a gap between a vibrational body and fixed point by monitoring the resonant frequency of the vibrational body |
| 10/07/2009 | CN100547372C Method and system for identifying test frequency in conductor vibration test |
| 10/07/2009 | CN100547355C Single light source resonance sensor for excitation and vibration testing |
| 10/01/2009 | WO2009120926A1 Systems and methods for resonance detection |
| 09/24/2009 | US20090235747 Balanced mechanical resonator for powder handling device |
| 09/24/2009 | US20090235746 Detecting And Measuring Live Pathogens Utilizing A Mass Detection Device |
| 09/23/2009 | EP2104154A2 Elastic body inspection method, inspection device, and dimension prediction program |
| 09/23/2009 | EP2103915A1 Apparatus and method for determining a resonant frequency of a wind turbine tower |
| 09/23/2009 | EP1799473B1 Microwave sensor for high-precision level measurement in a pneumatic spring |
| 09/03/2009 | US20090217760 Sensing apparatus |