165749 ⎘
Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
Fibre optic distributed sensing
#302Light output calibration in an optoacoustic system
#303PROBE AND MANUFACTURING METHOD THEREOF, AND OBJECT INFORMATION ACQUISITION APPARATUS USING THE SAME
#304Explosives and contraband detection system
#305ACOUSTIC WAVE ACQUIRING APPARATUS
#306Optical microphone
#307Wavelength division sensing RF vibrometer for accurate measurement of complex vibrations
#308Interferometric measuring device with detectors set at different angular ranges
#309METHOD AND APPARATUS FOR RANGE RESOLVED LASER DOPPLER VIBROMETRY
#310METHOD AND APPARATUS FOR THE INSPECTION OF SANDWICH STRUCTURES USING LASER-INDUCED RESONANT FREQUENCIES
#311Wind energy power plant equipped with an optical vibration sensor
#312System and method for monitoring vibration isolators
#313Optoacoustic / photoacoustic / acoustic imaging system using probe beam deflection
#314Optical phase extraction system having phase compensation function of closed loop type and three-dimensional image extraction method thereof
#315SOUND SOURCES SEPARATION AND MONITORING USING DIRECTIONAL COHERENT ELECTROMAGNETIC WAVES
#316Industrial process monitoring and imaging
#317Electromechanical transducer and photoacoustic apparatus
#318Leaf-spring optical seismometer using fringe signals for seismic measurements
#319Multipoint laser vibrometer with single detector
#320Single wafer fabrication process for wavelength dependent reflectance for linear optical serialization of accelerometers
#321Fiber optic acoustic sensor arrays and systems, and methods of fabricating the same
#322Optical contact micrometer
#323Optical microphone
#324Sensor probe and methods of assembling same
#325Acoustic sensor with at least one photonic crystal structure
#326Sensor Assembly And Methods Of Assembling A Sensor Probe
#327Resonant cavity sensor having multiple input optical signals at different angles
#328METHOD FOR THE NON-DESTRUCTIVE AND CONTACTLESS CHARACTERIZATION OF A SUBSTANTIALLY SPHERICAL MULTILAYERED STRUCTURE AND RELATED DEVICE
#329Machine with evaluation of the oscillation spectrum of a belt of the machine
#330Condition based monitoring system based on radar sensor
#331Integrated optical and acoustic transducer device
#332Free charge carrier diffusion response transducer for sensing gradients
#333Systems and methods for measuring turbine blade vibratory response
#334Optical device and method for measuring the rotation of an object
#335Device for measuring the relative alignment of two articles, method for determining a quality characteristic and vibration measurement device and method
#336Interferometric methods and apparatus for seismic exploration
#337Device and method for interferometric vibration measurement of an object
#338Acoustic sensor with at least one photonic crystal slab
#339Method and apparatus for the simultaneous generation and detection of optical diffraction interference pattern on a detector
#340Device for improved response when measuring vibration frequency of a vibrating object
#341Lateral, angular and torsional vibration monitoring of rotordynamic systems
#342Millimeter wave sensor for far-field standoff vibrometry
#343Method for determining blade mistuning on integrally manufactured rotor wheels
#344MULTIPOINT LASER DOPPLER VIBROMETER
#345Sound sources separation and monitoring using directional coherent electromagnetic waves
#346Opto-electrical ultrasound sensor and system
#347Laser deflection vibration test of door mirror
#348Acoustic measurement device and acoustic measurement method
#349Ascertaining a laser beam contact point
#350Differential mode laser detection and ranging device
#351Single wafer fabrication process for wavelength dependent reflectance for linear optical serialization of accelerometers
#352Ultrasonic probe and method for the optical detection of ultrasonic waves
#353NSMS flight laser detector system
#354NSMS flight laser detector cooling system
#355Fiber-based laser interferometer for measuring and monitoring vibrational characterstics of scattering surface
#356Adjustable interferometer for laser ultrasonic measurement
#357Systems and methods for acoustic sensing
#358Optical interferometric sensor
#359VIBRATION MEASURING SYSTEM, VIBRATION MEASURING METHOD, AND COMPUTER PROGRAM
#360Vibrometer and method for optically measuring an object
#361Multi-phase interferometer
#362High-sensitivity fiber-compatible optical acoustic sensor
#363Low cost fiber optic velocity sensor for sonar applications
#364Free-state modal frequency response testing
#365Method for cavitation threshold characterization and control
#366REFLECTIVE CORNER CUBE ARRAY
#367Information communication method, information communication system, information reception apparatus, and information transmission apparatus
#368System and method for optical sensing of surface motions
#369Method and apparatus for studying surface vibrations by moving speckle interferometer
#370Remote voice detection system
#371Vibroacoustic system for vibration testing
#372Non-contact measurement system for accurate measurement of frequency and amplitude of mechanical vibration
#373Method and device for non-contact oscillation measurements
#374Method and apparatus of detecting an object
#375Vibration detection device
#376Signal analysis method for vibratory interferometry
#377METHOD AND APPARATUS FOR FOCUSED DETECTION OF HAZARDOUS ATMOSPHERIC CONDITIONS
#378Musical instrument tuner
#379Vibration detection device
#380Method of acquiring information with a microcavity laser
#381Device for laser-ultrasonic detection of flip chip attachment defects
#382Vibration detection device and vibration detector
#383Surface-acoustic-wave device
#384Passive long range acoustic sensor
#385Frequency multiplexed, multiple channel heterodyne interferometer
#386Passive, remote sensor
#387Sensor for measuring a vibrating surface obscured from view
#388Sound sources separation and monitoring using directional coherent electromagnetic waves
#389Seismic exploration
#390System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources
#391Displacement sensor
#392Optical techniques and system for 3-D characterization of ultrasound beams
#393Systems and methods for remote monitoring of vibrations in machines
#394Laser vibrometer
#395Method and apparatus for determination of oscillations on a rotating blade disc of a turbine
#396Human target acquisition system and method
#397Optical measuring device for measuring micro displacement or micro vibration of object
#398ACOUSTIC IMAGING SYSTEM
#399High-sensitivity fiber-compatible optical acoustic sensor
#400Vibration measuring and monitoring system
#401Abnormal vibration sensing apparatus and washing machine having the same
#402Reflective corner cube array
#403OPTO-ACOUSTOELECTRIC DEVICE AND METHODS FOR ANALYZING MECHANICAL VIBRATION AND SOUND
#404High-temperature pressure sensor
#405Optical vibration imager
#406Fiber optic accelerometer
#407System and method to inspect components having non-parallel surfaces
#408Optical detection cell and sensor using one such cell
#409Turbine blade for monitoring torsional blade vibration
#410Method and device for measuring vibration frequency of multi-cantilever
#411Surface-acoustic-wave device
#412Sensor for optically sensing air borne acoustic waves
#413Static and dynamic pressure sensor
#414Sensor
#415Vibration sensor utilizing a feedback stabilized fabry-perot filter
#416Method and apparatus for cavitation threshold characterization and control
#417Multi-beam heterodyne laser Doppler vibrometer
#418Method for determination of the stress on blades of a turbine machine during operation and corresponding device for carrying out said method
#419Method for sensing acoustic energy
#420Laser-ultrasonic detection of flip chip attachment defects
#421Apparatus and method for calculating vibration displacement of vibrator
#422Optical hydrophone for a shock-wave field with long service life
#423Acoustoelectric conversion device
#424Multi-beam heterodyne laser doppler vibrometer
#425Ultra high frequency imaging acoustic microscope
#426Time-reversed photoacoustic system and uses thereof
#427Time-reversed photoacoustic system and uses thereof
#428Laser vibrometry with coherent detection
#429System and method to reduce laser noise for improved interferometric laser ultrasound detection
#430Torsional vibration measuring instrument
#431Measuring method to determine the noise emission of an electric motor and measuring device
#432Detection of transient phase shifts in any optical wave front with photorefractive crystal and polarized beams
#433Opto-acoustoelectric device and methods for analyzing mechanical vibration and sound
#434Modelocked waveform for synthetic aperture ladar
#435Drone swarm-based seismic surveying for oil exploration and landmine detection
#436Systems and methods for vehicle diagnostics based on measured vibrations
#437Preventing abnormal fan blade deflection or fan flutter with retroreflectors
#438System, apparatus, and method for structural fault detection
#439Method of monitoring events in an area divided into zones
#440Vibration amplification and detection device
#441Optical sensor for measuring displacement of a haptic plate
#442Acoustic detection of laser failure mode in semiconductor environment
#443Apparatus for a dynamic multi-axis heterodyne interferometric vibrometer
#444Adjustable laser microphone
#445Optical sensor for measuring displacement of a haptic plate
#446Laser-based detection of acoustic signals in turbulent fluids
#447System and method to detect signatures from an underwater object
#448Electrosound camera
#449Electrosound camera
#450Electrosound camera
#451Solar array remote acoustic sensing (SARAS)
#452Method and apparatus for simultaneous observation of three-degrees of vibrational freedom using single heterodyne beam
#453Apparatus and method for improving detection precision in laser vibrometric studies
#454Method and apparatus for offset frequency separation and drop out mitigation in non-contact vibrometry
#455Narrow bandwidth detection of vibration signature using fiber lasers
#456System for measuring vibrations occuring on a surface
#457Remote optical seismic surveying and detection and imaging of underground objects