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US20120067107 WIRELESS INTERFACE FOR AUDIOMETERS  
An interface adapted for use with an audiometer, including a digital wireless interface supported by a base unit and a remote unit wherein the base unit receives signals from the audiometer and...
US20130197350 RADIATION FORCE BALANCE CALIBRATOR  
A radiation force balance calibrator (100) for calibrating a high intensity focused ultrasound transducer (106), the radiation force balance calibrator comprising: a balance frame (130); a force...
US20110094288 MAPPING ULTRASOUND TRANSDUCERS  
Ultrasound transducers may be mapped by varying a focus-affecting parameter and adjusting the parameter so as to improve focus quality. In some embodiments, mapping involves successively varying...
US20110283767 Sonic resonator system for testing the adhesive bond strength of composite materials  
Disclosed herein is a sonic resonator system for use in testing the adhesive bond strength of composite materials. Also disclosed herein are a method of calibrating the sonic resonator system to...
US20140208821 In-Situ System Calibration  
A method for re-calibrating installed downhole sensors used in hydrocarbon wells by the application of a calibration string inserted in the wells and deployed in close proximity to the installed...
US20110056267 METHOD OF CALIBRATING A CONSTANT VOLTAGE SUPPLY FOR AN ULTRASONIC TRANSDUCER OF A WIRE BONDING MACHINE  
A method of calibrating a voltage for use with an ultrasonic transducer of a wire bonding machine in a constant voltage mode is provided. The method includes: (1) determining an impedance value...
US20130098138 Sonic resonator system which applies a rarefaction wave to a composite structure at a specific location to test bond strength  
Disclosed herein is a sonic resonator system for use in testing the adhesive bond strength of composite materials. Also disclosed herein are a method of calibrating the sonic resonator system to...
US20110232360 AUTOMATIC CALIBRATION ERROR DETECTION FOR ULTRASONIC INSPECTION DEVICES  
Disclosed is a method and an NDT/NDI calibration process that automatically detects erroneous TOF readings by providing a predetermined time acceptance window. During the calibration process, TOF...
US20130213112 ULTRASONIC POSITIONING SYSTEM WITH REVERBERATION AND FLIGHT TIME COMPENSATION  
Compensating reverberation and flight times in an ultrasonic positioning system includes establishing maximum flight and reverberation times for ultrasonic signals within an environment. These...
US20140150524 Real-Time Monitoring System to Determine Wear of Grate Ribs in Semi-Autogenous Mills, to Detect Clogging Conditions of the Grates During the Operation and to Detect Working Conditions Under Direct Impact of the Balls on the Grates  
A real-time monitoring system to monitor the wearing in the thickness of the ribs of a grate of a SAG mill. The grate can have a screening surface that includes a pulp lifter and an external...
US20120125078 SONIC WAVE PINCH DETECTION SYSTEM AND METHOD FOR A MOVABLE PANEL  
A pinch detector for a movable panel is provided having a deformable and resilient channel; a sonic wave transmitter at one end of the channel having a predetermined output; a sonic wave receiver...
US20110239730 CALIBRATION DEVICE FOR MASS FLOW METERS  
A calibration device for mass flow meters including a test piece measuring section into which the mass flow meter test piece to be calibrated can be inserted, a device for creating a flow of a...
US20130055788 CALIBRATION OF INSTRUMENT RELATIVE TO ULTRASONIC PROBE  
A method of calibration including placing an instrument on an arbitrary point and at an arbitrary rotational orientation on an ultrasonic probe, obtaining spatial coordinates of the instrument,...
US20120291520 CALIBRATION SYSTEM AND METHOD FOR ACOUSTIC PROBES  
An acoustic probe calibration system includes a waveguide and a moveable piston. The waveguide extends from a front end to an opposite back end along a longitudinal axis and defines a cavity...
US20100313628 SYSTEM FOR TESTING PERFORMANCE OF ARRAY ULTRASOUND TRANSDUCER  
A performance inspection system for an array ultrasound transducer includes: a driver for selectively applying an electric signal to all or some parts of constituent channels of the array...
US20130180312 CALIBRATION BLOCK AND METHOD  
A calibration block and method for sensitivity calibration. The calibration block has a curved calibration surface having a central axis and a surface for coupling to a transducer element of an...
US20110120209 Detector and Methods of Detecting  
An ultrasonic detector (10) suitable for mounting in a position for surveying an area for a source of airborne ultrasound, which detector comprises a sensor (20) for detecting an ultrasonic sound...
US20140360246 MICRO-ELECTRO-MECHANICAL-SYSTEM RESONANT SENSOR AND METHOD OF CONTROLLING THE SAME  
A micro-electro-mechanical-system (MEMS) resonant sensor includes: a MEMS unit that generates an output signal corresponding to a vibration component of a mass body vibratable between a first...
US20140137633 TESTERS FOR ACOUSTIC SENSORS  
Various embodiments include apparatus and methods to test an acoustic sensor. Apparatus and methods can include collecting an acoustic wave from a transmitter of the acoustic sensor and directing...
US20070204695 WIRELESS INTERFACE FOR AUDIOMETERS  
An interface adapted for use with an audiometer, including a digital wireless interface supported by a base unit and a remote unit wherein the base unit receives signals from the audiometer and...
US20150033822 DETECTION OF CONTAMINATION STATUS FOR REFRIGERATOR ULTRASONIC SENSOR ASSEMBLY  
Systems and methods for detecting a contamination status of an ultrasonic sensor assembly included in a refrigeration appliance are provided. An exemplary refrigerator includes a sensor assembly....
US20090178465 ACOUSTIC TRANSDUCER SUPPORT FRAME AND METHOD  
A calibration system is provided for calibrating acoustic transducers such as phased array acoustic transducers and time of flight acoustic transducers. In one embodiment, a support frame for a...
US20140083164 CALIBRATION OF MEMS SENSOR  
A micro electromechanical systems (MEMS) sensor is excited. The response of the MEMS sensor is measured. The MEMS sensor is calibrated.
US20130192334 METHOD AND SYSTEM FOR CALIBRATING AN ULTRASONIC WEDGE AND A PROBE  
A method and system for calibrating an ultrasonic wedge and a probe are disclosed. The calibration method includes the steps of automatically determining the ultrasonic signal acquisition width...
US20090288471 Calibration for a Nondestructive Material Testing System  
Calibration for an ultrasonic nondestructive materials testing system is specified, the system having an array of ultrasonic transducers which can be linearly moved and pivoted. In order to...
US20130333441 METHOD AND SYSTEM FOR CORRECTING FOR TEMPERATURE VARIATIONS IN ULTRASONIC TESTING SYSTEMS  
A method and system for correcting for temperature variation in ultrasonic testing systems is disclosed. In one embodiment, an offset is determined for correcting a time of flight measurement,...
US20140150523 CALIBRATION OF A WELL ACOUSTIC SENSING SYSTEM  
A method of calibrating a distributed acoustic sensing system can include receiving predetermined acoustic signals along acoustic sensors distributed proximate a well, and calibrating the system...
US20100083732 Disk Drive Emulator And Method Of Use Thereof  
A disk drive emulator for testing a test slot of a disk drive testing system includes an emulator body, an interface connecter disposed on the emulator body, and at least one vibration sensor...
US20150168355 AUTOMATIC CALIBRATION FOR PHASED ARRAY INSPECTION OF GIRTH WELD  
A calibration method for calibrating a phased array probe that is used for testing girth welds for defects. The method utilizes a calibration device on which is defined a series of reflectors that...
US20090090165 AUDIOMETER WITH INTERCHANGEABLE TRANSDUCER  
An audiometer including a processor controlled test signal generator is adjustable so as to produce a uniform output signal when coupled with a transducer load. Each transducer set to be used with...
US20110283768 SELF-CALIBRATING VIBRATION SENSOR  
An antenna in a radar sensor is vibrated at a known frequency and velocity in a direction generally normal to the antenna surface. A response received by the antenna is used to scale or calibrate...
US20100122566 Testing An Acoustic Property Of An Ultrasound Probe  
Embodiments for testing an acoustic property of an ultrasound probe including a plurality of transducer elements are disclosed. A Shlieren image of an ultrasound probe and a visualized acoustic...
US20140260523 RADAR-BASED VIBRATION SENSOR SELF-CALIBRATION METHOD  
A method of calibrating a radar-based vibration sensor that includes a radar head coupled to a vibration device includes disposing the vibration sensor at a fixed distance from a target, and...
US20100139362 Calibration Method for SAW Sensors  
A calibration process for an SAW sensor of the differential resonator type incorporated in an assembly, the sensor having two resonance frequencies (f1, f2) which vary differently as a function of...
US20090158849 METHOD AND APPARATUS FOR CHECKING AN ACOUSTIC TEST FIXTURE  
A body has a first portion whose exterior surface is similar to that of a corresponding, first portion of a portable media device. An acoustic aperture is formed at a location that is similar to...
US20050241365 Transducer testing  
Described herein is a method and apparatus for testing transducers either as single devices or in phased arrays. The apparatus includes a device which is housed in a casing (12) and comprises...
US20130008226 VIBRATING MICRO-SYSTEM WITH AUTOMATIC GAIN CONTROL LOOP, WITH INTEGRATED CONTROL OF THE QUALITY FACTOR  
A micro-system, for example a micro-sensor, comprises a resonator 10 with vibrating element(s) 11 receiving an excitation signal E of a loop 20 for automatic gain control, as a function of an...
US20050188743 Automatic ultrasonic frequency calibration scheme  
An automatic ultrasonic frequency calibration scheme is provided to automatically calibrate an ultrasonic frequency device to a resonant frequency by using a logic circuit such as a...
US20100058831 METHOD FOR CALIBRATING A SCALE FACTOR IN AN AXISYMMETRICAL VIBRATING GYROMETER  
The method of calibrating a scale factor of an axially-symmetrical vibrating rate gyro operating by applying an amplitude control signal (CA) and a precession control signal (CP) to a vibrator...
US20120060585 Assessment and Calibration of a Crimp Tool Equipped with Ultrasonic Analysis Features  
A method is provided for calibrating ultrasonic signals passed through a crimp formed with respect to a deformable body via an ultrasonically-equipped crimp tool (UECT). The UECT verifies a crimp...
US20150212050 ALIGNMENT AID SYSTEM FOR AN ULTRASONIC TRANSMITTER, AN ULTRASONIC DETECTOR ASSEMBLY AND AN ALIGNMENT METHOD  
There is provided an alignment aid method of an ultrasonic transmitter implemented by means of an alignment aid system. The alignment aid system includes a receiver including a plurality of...
US20110030448 ACOUSTIC SYSTEM QUALITY ASSURANCE AND TESTING  
Embodiments of the invention provide for testing acoustic systems. According to one embodiment, testing an acoustic system can comprise receiving a signal from the acoustic system at a testing...
US20130047697 METHOD OF AND AN APPARATUS CONDUCTING CALIBRATION FOR PHASED-ARRAY SHEAR WAVE CHANNELS INSPECTING SQUARE BARS  
Disclosed is a system and method suitable for calibrating a phased array system configured to inspect square bars. A square bar is provided with an array of parallel linear notches across the full...
US20150135799 FLAW DETECTION SENSITIVITY ADJUSTMENT METHOD AND ABNORMALITY DIAGNOSIS METHOD FOR ULTRASONIC PROBE  
A method of adjusting flaw detection sensitivity on an array ultrasonic probe comprises disposing a plate material P1 oppositely to the ultrasonic probe such that an upper surface of the plate...
US20100036251 DELAY ADJUSTMENT MODULE AND ULTRASONIC RECEIVING BEAM FORMING APPARATUS  
A delay adjustment memory is shared by two signal processing channels, a signal in one signal processing channel having a smaller delay time of the two signal processing channels is adjusted in...
US20150241253 REAL TIME RETENTION CHECK TOOL  
A number of variations may include a method that may include providing a first part that may include a snap ring, a second part, and a retention check tool that may include an accelerometer. The...
US20100268503 Multiple Aperture Ultrasound Array Alignment Fixture  
Increasing the effective aperture of an ultrasound imaging probe by including more than one probe head and using the elements of all of the probes to render an image can greatly improve the...
US20100329080 SENSOR FUNCTION FOR CONTROLLING AT A VARIABLE TRANSMISSION FREQUENCY FOR THE PURPOSE OF DETECTING CONTAMINATION  
In a method for functional testing of a mechanical vibration sensor, a vibration signal is generated on the vibration component of the vibration sensor with the aid of a periodic excitation...
US20060236747 Sonic activation of strain sensitive cells  
A method and apparatus for stimulating the growth of chondrocytes as part of a bone healing process includes a loudspeaker that applies audio frequency acoustic energy to the cells. A 1 kHz square...
US20100218590 AUTOMATED THICKNESS MEASUREMENT DEVICE  
A transducer apparatus may include a slide housing, an inner housing, a member attached to the inner housing, a free-floating transducer housing, a transducer, and transducer springs. The inner...

Matches 1 - 50 out of 91 1 2 >