Patents for G01H 11 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties (3,253) |
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01/09/2013 | CN101902832B Lower power consumption wireless sensor network node device capable of monitoring vibration continuously |
01/02/2013 | CN202650166U Sensitive vibration detection alarm |
01/02/2013 | CN202649236U Monitoring apparatus for environment comfort in high-speed train |
01/02/2013 | CN202648788U Eddy current low frequency vibration detection device |
01/02/2013 | CN102853898A Three-dimensional MEMS (Micro-electromechanical System) monolithic integrated vector hydrophone |
01/02/2013 | CN102269619B Wireless sensor network-based acoustic signal acquisition terminal |
01/02/2013 | CN101696966B Butler-type GPS monitoring communication system |
12/27/2012 | WO2012175492A2 Capacitive ultrasonic transducer |
12/27/2012 | US20120325001 Optical sensor systems and methods |
12/27/2012 | DE102012210672A1 Resonanzloser Klopfsensor und Verfahren zum Herstellen desselben The same resonance-free knock sensor and method for manufacturing |
12/26/2012 | EP2537008A1 Interactive panel comprising piezoelectric transduction devices |
12/26/2012 | CN202632748U Oscillating plate frequency corrector |
12/26/2012 | CN202631102U Sound alarm testing device for electrical medical instrument |
12/26/2012 | CN202631101U Vibration state monitoring device for marine rotary mechanical shaft system |
12/26/2012 | CN202631100U Ultralow frequency absolute vibrating sensor amplitude-frequency characteristic compensating circuit |
12/26/2012 | CN102843187A Ambient vibration sensing system based on visible light wireless communication |
12/26/2012 | CN102842060A RFID (Radio Frequency Identification devices) tag with voice-activated device, RFID system and voice strength detecting method |
12/26/2012 | CN102840968A Detection device and detection method for wide-range vibration amplitude of blade of aviation engine |
12/26/2012 | CN102840880A System and method for monitoring rotating device |
12/20/2012 | WO2012172124A1 Multi-channel electronic architecture for advanced monitoring of structural integrity using ultrasonic guided wave or lamb wave technology |
12/20/2012 | US20120318065 Monitoring device for a viscoelastic material |
12/19/2012 | CN202614529U Noise measuring device for rolling bearing |
12/19/2012 | CN202614371U Operation monitoring device for cement brick making machine |
12/19/2012 | CN202614370U Vibration sensor |
12/19/2012 | CN202614369U Sound monitoring and prompting device |
12/19/2012 | CN202614368U Vibration control device |
12/19/2012 | CN202614367U Fault diagnosis apparatus for induced draught fan |
12/19/2012 | CN102831366A RFID system used to measure sound intensity and method for measuring sound intensity thereof |
12/19/2012 | CN102829857A Monitoring method of satellite air transportation vibration response |
12/19/2012 | CN102829856A Vibration-excitation testing device for sound needle tuning of music box |
12/19/2012 | CN102410872B Non-contact vibration sensor device |
12/19/2012 | CN102353444B Resonance type vector receiver under deep water |
12/05/2012 | CN202582712U Block-building machine vibration testing device |
12/05/2012 | CN202582711U Double-wafer non-base-plate piezoelectric acceleration sensor |
12/05/2012 | CN202582710U Environment noise source intelligent supervision and management system |
12/05/2012 | CN202582709U Intelligent decibel prompting instrument |
12/05/2012 | CN102809423A On-orbit satellite micro-vibration measurement system |
12/05/2012 | CN101668075B 电子设备及其控制方法 Electronic apparatus and control method |
12/04/2012 | US8322222 Method and system for noise dosimeter with quick-check mode and earphone adapter |
12/03/2012 | CA2779064A1 Apparatus and method for characterizing adhesive bonding and osseointegration |
11/29/2012 | WO2012159184A1 System for monitoring and detecting a break in a pipeline |
11/28/2012 | EP2526391A1 Toilet flush detection system utilizing transducer with piezoelectric sounder element |
11/28/2012 | CN202562619U Multi-point continuous on-line vibrating screen amplitude detector |
11/28/2012 | CN202562618U Noise automatic-controlling and automatic-recording device in classroom |
11/28/2012 | CN102798460A Impact-type piezoelectric acceleration transducer |
11/28/2012 | CN102798459A Satellite ground micro-vibration test system |
11/28/2012 | CN102798458A Low-frequency wireless accelerometer |
11/28/2012 | CN101419243B Isotropy equilibrium acceleration sensor |
11/22/2012 | WO2012158093A1 A sensor device for a centrifugal separator and a centrifugal separator with such a sensor. |
11/22/2012 | US20120293046 Interactive panel comprising a substrate and at least two piezoelectric transduction devices |
11/22/2012 | US20120291554 Heat-Resistant Ultrasonic Sensor and Installation Method Thereof |
11/21/2012 | CN202547768U Piezoelectric sensor system for detecting damage threshold of optical lens |
11/21/2012 | CN102787370A Device for detecting cocoon silk breaking of reeling machine by using piezoelectric ceramics |
11/14/2012 | EP2522152A1 Sound wave detection device and sound wave source location system |
11/14/2012 | CN202533170U Installing device of sensor |
11/07/2012 | CN202522317U Device for measuring grinding vibration performance of cubic boron nitride grinding wheel matrix |
11/07/2012 | CN202522316U Vibration signal synchronous acquisition circuit |
11/01/2012 | WO2012145936A1 Heart function piezoelectric sensor |
10/31/2012 | CN102762964A Interactive panel comprising piezoelectric transduction devices |
10/31/2012 | CN102226712B Hollow-structured three-dimensional vector hydrophone with neutral buoyancy in water |
10/25/2012 | DE10354281B4 Sensor Sensor |
10/24/2012 | CN202501917U Vibration sensor |
10/24/2012 | CN102750574A Radio frequency identification device (RFID) label with sound-sensitive device, RFID system with sound-sensitive device and sound intensity detection method |
10/24/2012 | CN102749386A System and method for in-situ hydration monitoring and damage detection of concrete structure and sensors used by system and method |
10/23/2012 | US8295983 Apparatus and method for characterization and control of usage disturbances in a usage environment of printers and other dynamic systems |
10/17/2012 | EP2509412A1 Sample storage and monitoring system |
10/17/2012 | CN202495324U Oblong amorphous-alloy iron-core dry-type transformer of graphical on-line vibration monitoring |
10/17/2012 | CN202494513U Wireless environment vibration monitoring device |
10/17/2012 | CN102735327A System and method for signal analysis |
10/17/2012 | CN102735326A Real-time on-line monitoring apparatus of blade vibration of flue gas turbine |
10/17/2012 | CN102735325A Audible noise calculating method for high-voltage direct current electric transmission line |
10/17/2012 | CN102072762B Online monitoring method of pulse injection type line oscillation |
10/10/2012 | CN202485794U Anti-interference low-frequency vibration measuring device |
10/10/2012 | CN202485793U Handset motor vibration testing device |
10/10/2012 | CN102721463A Written test apparatus for measuring rotating machinery reciprocating vibration by using piezoelectric effect |
10/10/2012 | CN102721462A Method for quickly computing Bode plot and Nyquist plot of rotary mechanical vehicle starting and parking processes |
10/03/2012 | CN102714771A Sound wave detection device and sound wave source location system |
10/03/2012 | CN102706441A Low-frequency hydrophone |
10/03/2012 | CN102706440A Rotor vibration state monitoring system |
10/03/2012 | CN102706439A Portable interior noise comfort tester |
10/03/2012 | CN101551236B Measuring unit for air flow |
09/26/2012 | CN202453075U Device for eliminating vibration noise of vibration velocity hydrophone |
09/26/2012 | CN202453074U Circuit module capable of detecting infrasonic wave and mobile terminal |
09/26/2012 | CN102692887A Device for monitoring online state of power transformer based on audio identification technology |
09/25/2012 | US8272271 Device for monitoring one or more process variables |
09/19/2012 | CN202442784U Locomotive cooling tower vibration testing system |
09/19/2012 | CN202442783U Vibration surveying and mapping test device for block machine |
09/19/2012 | CN102686369A Assembly for diagnosing a device with moving parts |
09/19/2012 | CN102680074A Method for testing acoustic pressure level of pneumatic noise of small fan under full flow |
09/12/2012 | CN202433084U Sensor unit for vibration of high voltage and ultrahigh voltage power cable during operation |
09/12/2012 | CN202433083U Automobile noise diagnostic apparatus |
09/12/2012 | CN202433082U Vibration monitoring system of fan |
09/12/2012 | CN202433081U Karman vortex vibration tester for air preheater of boiler |
09/12/2012 | CN102661782A Rapid measurement method and device of super-low-frequency vibration parameter quantity value |
09/05/2012 | CN202421456U Three-parameter monitor for motor wire rod |
09/05/2012 | CN202420666U Sound level meter |
09/05/2012 | CN202420665U Motor noise testing device |
09/05/2012 | CN202420664U Automatic ambient noise monitor |
09/05/2012 | CN202420663U Bearing monitoring and diagnosis experimental instrument |
09/05/2012 | CN102656479A Vibration detection device, air pressure detection terminal, and acceleration detection system |