Matches 1 - 31 out of 31


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US20090282921 Method for evaluating fastening state of threaded joint of pipes or tubes and method for fastening threaded joint of pipes or tubes using the method  
There is provided a method capable of evaluating a fastening state of a threaded joint that is used as a joint of pipes or tubes such as OCTG with a high degree of accuracy even after being...
US20120111117 ULTRASONIC METHOD OF MONITORING PARTICLE SIZE DISTRIBUTION OF A MEDIUM  
The present invention provides embodiments relating to novel methods for determining, monitoring or detecting particle size distribution of a medium. In a preferred embodiment, the method...
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...
US20050087017 Apparatus and method for inspecting grinding wheels  
An ultrasonic inspection system is used to inspect grinding wheels used to prepare work rolls used in metal sheet production. The grinding wheel inspection system includes a test stand adapted to...
US20080295599 Ice thickness measuring system  
An ice thickness measurement system for determining thicknesses of an ice sheet such as an ice rink that is positioned on a solid or granular substrate. The system determines the thickness of the...
US20110288689 EVALUATION METHOD FOR BOTANICAL-INTEGRITY OF VASCULAR PLANT, IRRIGATING METHOD TO VASCULAR PLANT, FILM ELECTRET SENSOR AND FILM ECM ARRAY  
A method includes measuring an occurrence frequency of elastic waves generated by cavitations in vascular tissues in vascular plant, before and after a change in water stress to the vascular...
US20070039371 Frictional characteristic measuring apparatus and tire directed thereto  
In a frictional characteristic measuring apparatus, a sensor section emits a sound wave, which gives vibration to an object to be measured, as an incident sound wave, and receives a reflected...
US20060207329 Ultrasonic evaluation of the strength of flour doughs  
A method of determining dough strength and predicting loaf quality is herein described. The method involves propagating an ultrasound signal through a sample of dough and determining the transit...
US20100170342 Method for Rheological Characterization of a Viscoelastic Medium  
Method for rheological characterization of a viscoelastic medium, comprising the following steps: (a) an excitation step during which a vibratory excitation is generated in the viscoelastic medium...
US20100206079 ULTRASONIC MONITOR FOR A BIOREACTOR  
A method and apparatus for monitoring the state of a microbiological or animal cell culture, or other bioprocess wherein the attenuation and in some embodiments, the speed of an ultrasonic wave...
US20080047348 CONVEYOR BELT SURVEILLANCE  
The condition of the reinforcing (4) of steel conveyor belts (1) is sensed ultrasonically. Transmitters (T) and receivers (R) are located on the belt. The transmitters are energised for a first...
US20090211360 Ultrasonic Sensor  
An ultrasonic sensor having a diaphragm includes a heating element for heating the diaphragm.
US20110259104 APPARATUS AND METHOD FOR NONDESTRUCTIVE INSPECTION  
A nondestructive inspection apparatus according to the present invention has a transmission-side probe configured to emit a first ultrasonic wave toward a test-target fluid, a plate through which...
US20110132090 Mode Decomposition of Sound Waves Using Amplitude Matching  
The different advantageous embodiments provide a transducer unit, a testing system, and a method for testing a structure. The transducer unit comprises a first segment configured to generate a...
US20150135837 Apparatus for Measuring Acoustic Absorption In-Situ  
A phased microphone imaging array and repeatable sound source are used in concert to determine absorption and reflection coefficients of materials and spaces across a continuous frequency domain....
US20080282804 Method and Device for Monitoring a Flow of Liquid for the Presence of Air by Means of Ultrasound  
The invention relates to a method and a device for monitoring a flow of liquid for the presence of air bubbles, in particular the blood flowing in an extracorporeal blood circuit of an...
US20090272190 FLOW METHODS AND APPARATUS FOR DETECTION IN CONDUITS  
A method for measuring one or more parameters in a fluid in a flow conduit using ultrasound is disclosed, the method comprising transmitting ultrasound signals at a frequency in the range of from...
US20090205426 Method and device for monitoring a flowing liquid for the presence of air  
The present invention relates to a method and a device for monitoring a flowing medium, in particular the blood flowing in an extracorporeal blood circulation, for the presence of air, in...
US20090025479 METHOD AND APPARATUS FOR QUANTIFYING POROSITY IN A COMPONENT  
A computer implemented method, or hardware filtration apparatus, and computer usable program code for measuring porosity in materials. An ultrasonic signal is emitted from a transmitting...
US20150260688 SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS, AND METHOD OF DETERMINING WHETHER MULTI-FEED HAS OCCURRED  
A sheet conveying device includes: a sending unit configured to send an ultrasonic wave; a receiving unit positioned to face the sending unit across a conveyance path, along which a sheet is...
US20100154545 DIFFERENTIATION AND IDENTIFICATION OF ANALOGOUS CHEMICAL AND BIOLOGICAL SUBSTANCES WITH BIOSENSORS  
A biosensor for detecting particular substances biosensor comprises a piezoelectric material, an input transducer supported by the piezoelectric material to receive an input signal and propagate a...
US20130031979 METHODS AND APPARATUS FOR POROSITY MEASUREMENT AND DEFECT DETECTION  
A method and apparatus for non-destructively inspecting a composite structure with an ultrasonic system including an ultrasonic probe includes positioning the composite structure in a tank-less...
US20120018413 METHOD OF HEAT TREATMENT AND/OR INSPECTION OF FUNCTIONAL MECHANICAL PROPERTIES, PARTICULARLY TRANSFORMATION STRAIN AND/OR STRENGTH, OF SHAPE MEMORY ALLOY FILAMENTS AND APPARATUS FOR THE APPLICATION OF THIS METHOD  
A method of heat treatment and/or inspection of functional mechanical properties, particularly transformation strain and/or strength, of shape memory alloy filaments and apparatus for the...
US20100147079 MEASUREMENT DEVICE AND METHOD FOR DIAGNOSIS OF NOISE IN FLUIDIC SYSTEMS  
A measurement device and method for diagnosing noise in fluidic systems. A microphone, which is arranged at least partially in the area of the flow medium, compensates for pressure surges in the...
US20130125656 Method And Apparatus For Shockwave Attenuation  
A method and apparatus for attenuating a shockwave propagating through a first medium. The method may include the steps of detecting a shockwave-producing event, determining a direction and...
US20100209688 WINDING STATE EVALUATION METHOD FOR TAPE FILM AND WINDING METHOD FOR TAPE FILM  
A winding state evaluation method of a tape film includes a step of determining the attenuation rate of ultrasonic wave for the tape film (2) by sending an ultrasonic wave to the tape film (2) in...
US20100242610 ULTRASONIC IMAGING APPARATUS  
There is provided an ultrasonic imaging apparatus capable of efficiently generating an image both by using a transmission ultrasonic wave with a wide angle of beam spread and by using a...
US20170160239 TIME GAIN COMPENSATION CIRCUIT AND RELATED APPARATUS AND METHODS  
An ultrasound device, including a profile generator, an encoder configured to receive a profile signal from the profile generator, and an attenuator configured to receive a signal representing an...
US20160084801 ACOUSTIC DETECTION IN PROCESS ENVIRONMENTS  
An acoustic measurement system for an industrial process asset includes a process measurement device providing a value representative of an acoustic signal near the industrial process asset based...
US20160077478 DETERMINATION APPARATUS FOR DETERMINING TYPE OF RECORDING MEDIUM  
A transmission unit transmits an ultrasonic wave by a drive signal being supplied to two terminals. A reception unit receives the ultrasonic wave transmitted from the transmission unit and to...
US20150300992 METHOD FOR MEASURING HEIGHT OF LACK OF PENETRATION AND ULTRASONIC FLAW DETECTOR  
A method for measuring the degree of fusion involves: a step for creating a dividing pulse amplitude curve by using a probe that emits ultrasound beams; a step for scanning the probe that emits...

Matches 1 - 31 out of 31