Class / Patent application number | Description | Number of patent applications / Date published |
073629000 | Having unitary sonic type transmitter-receiver transducer | 27 |
20080196506 | ULTRASONIC DIAGNOSTIC APPARATUS, DATA MEASUREMENT METHOD, AND DATA MEASUREMENT PROGRAM - An ultrasonic diagnostic apparatus by which IMT examination can be efficiently performed by simple processing in a health check. The ultrasonic diagnostic apparatus includes: a signal processing unit for performing at least envelope detection processing on reception signals outputted from an ultrasonic probe to generate envelope data; an image data generating unit for generating image data representing an ultrasonic image on an object to be inspected based on the envelope data; a pre-measurement processing part for performing structural image generating processing on the envelope data; and a measurement part for performing measurement based on the envelope data processed by the pre-measurement processing part. | 08-21-2008 |
20080229835 | Mullticomponent Backing Block for Ultrasound Sensor Assemblies - Backing block ( | 09-25-2008 |
20080271537 | METHOD AND SYSTEM HAVING ULTRASONIC SENSOR MOVABLE BY TRANSLATION DEVICE FOR ULTRASONIC PROFILING OF WELD SAMPLES - A system for ultrasonic profiling of a weld sample includes a carriage movable in opposite first and second directions. An ultrasonic sensor is coupled to the carriage to move over the sample as the carriage moves. An encoder determines the position of the carriage to determine the position of the sensor. A spring is connected at one end of the carriage. Upon the carriage being moved in the first direction toward the spring such that the carriage and the sensor are at a beginning position and the spring is compressed the spring decompresses to push the carriage back along the second direction to move the carriage and the sensor from the beginning position to an ending position. The encoder triggers the sensor to take the ultrasonic measurements of the sample when the sensor is at predetermined positions while the sensor moves over the sample between the beginning and positions. | 11-06-2008 |
20080282805 | Ultrasonic transducer - An ultrasonic transducer incorporated into an ultrasonic inspection apparatus for examining existence of defect in a sample dipped in water comprises a transducer main part having an oscillator which projects an ultrasonic wave to the sample, receives the reflected wave from the sample and outputs the received reflected wave as an echo signal, a transmitter substrate producing a drive pulse for emitting the ultrasonic wave to the oscillator, a receiver substrate for amplifying the echo signal, a housing for containing therein both substrates electrically connected, and connecting member for electrically connecting between a signal input/output terminal and the side of the oscillator in the transducer main part, wherein, when a maximum operational frequency of the ultrasonic wave emitted from the oscillator is referred to as fmax [MHz], the connecting member is set at a length of 100/fmax [cm] or less. Even if the sample to be examined is small, a desirable defect inspection can be achieved at an excellent examination accuracy. | 11-20-2008 |
20100037696 | METHOD AND APPARATUS FOR DETERMINING THE PRELOAD FOR SCREWS FOR DENTAL IMPLANT SYSTEMS - A method and apparatus are provided for determining the preload in a dental implant system. The preload is determined by transmitting a sonic impulse, which is preferably an ultrasonic impulse, at a predetermined frequency to the head of the implant screw through a transducer, which may be incorporated into the head of the screw, the head of a wand which generates the sonic impulse, or the transducer and pulse-generating instrumentation may be incorporated into a torque generating instrument used to tighten the screw. The preload is determined by measuring the delay between the first and second reflections through the preloaded screw to determine a preload value and comparing that value with a pre-established baseline value for the screw, and comparing the difference with a predetermined table of values to determine the preload on the screw. | 02-18-2010 |
20100242611 | Ultrasonic sensor - A single element of an ultrasonic transducer includes at least one combination of an equivalent series capacitor C | 09-30-2010 |
20110016978 | METHOD FOR THE NON-DESTRUCTIVE TESTING OF A TEST OBJECT BY WAY OF ULTRASOUND AND APPARATUS THEREFOR - A method for nondestructive testing of a test object by means of ultrasound, and a corresponding device, the method including
| 01-27-2011 |
20120279307 | Coupling medium supply of an Ultrasonic Test Device - An ultrasonic testing method is provided. The ultrasonic method includes non-destructively testing a test object with an ultrasound generated by an ultrasound probe, continuously circulating a liquid coupling medium outside of the test probe before and/or during non-destructively testing the test object, branching a part of the liquid coupling medium off from the circulation, and feeding the branched liquid coupling medium to a coupling chamber arranged between the ultrasound probe and the test object. | 11-08-2012 |
20130025372 | Sonar Method and Apparatus for Determining Material Interfaces in Wheel Servicing Equipment - A wheel servicing machine such as a wheel balancer includes an acoustic transducer configured to measure energy of one or more reflected acoustic waves after the waves have bounced off a material boundary surface such as a wheel assembly. In some embodiments, a return energy index signal representative of the measured energy is generated by a transducer and is further processed by a processor to control operations of the machine. The acoustic transducer also measures distance between the transducer and the wheel assembly surface in some embodiments. One or more values in a sample queue of acquired distance data may be flagged, or indexed, based on variation in the magnitude of the return energy signal. Methods of measuring wheel width using sonar measurement of both distance and reflected energy are also provided. | 01-31-2013 |
20130199297 | PHASED ARRAY SYSTEM AND METHOD FOR INSPECTING HELLICAL SUBMERGED ARCS WELD (HSAW) - A phased array system and the inspection method which is configured to inspect the weld seam of an HSAW for all standard types of flaws located both near pipe's internal and external surfaces in one scan pass, diminishing the need of making mechanical adjustment for the probes during the one pass of scan. The configuration includes the usage of at least one linear PA probe for Lamination inspection right above HAZ zone, at least one pair of PA probes for longitudinal defects inspection and holes detection and at least two pairs of PA probes for transversal defect inspections. | 08-08-2013 |
20130233080 | SYSTEM FOR DETECTING AND LOCATING A DISTURBANCE IN A MEDIUM, AND CORRESPONDING METHOD AND COMPUTER PROGRAM - A system including a mechanism emitting successive acoustic waves in a medium, a mechanism receiving the successive acoustic waves after propagation thereof in the medium, configured to supply a reception signal based on the successive acoustic waves received, and a mechanism detecting and locating disturbance in the medium on the basis of the reception signal. The emitting mechanism is configured such that, amplitude and/or phase spectrum of each acoustic wave having, at a specific frequency at least, an amplitude, or phase, varying in the medium according to a specific spatial distribution of the amplitude, or phase, and the spatial distributions of the amplitude, or phase, of the successive acoustic waves are mutually different. | 09-12-2013 |
20130276540 | ULTRASONIC TESTING APPARATUS FOR PIPE OR TUBE END PORTION AND METHOD OF SETTING INITIAL POSITION OF PROBE HOLDER - An ultrasonic testing apparatus includes an ultrasonic probe disposed under an end portion of a pipe laid in the horizontal direction to face the pipe end portion. The probe transmits ultrasonic waves to the end portion of the pipe and receives the ultrasonic waves therefrom. A probe holder housing the probe includes a coupling medium reserver part which surrounds a space between the probe and the end portion of the pipe to contain a coupling medium W. The coupling medium reserver part includes a part body | 10-24-2013 |
20140083193 | ULTRASONIC FLAW DETECTING APPARATUS, ULTRASONIC TRANSDUCER, AND ULTRASONIC FLAW DETECTING METHOD - A transducer main body has, on a front end side thereof, an oscillating plane having a bent shape in a side view and corresponding to a larger-diameter curved surface formed at a bend of a laminated part. Over the oscillating plane of the transducer main body, a plurality of piezoelectric oscillators are distributed in a matrix in a bent direction and a width direction. In each oscillator group, a controlling unit | 03-27-2014 |
20140083194 | DEVICE AND METHOD FOR DETERMINING PROPERTIES OF A MEDIUM - The invention relates to a device for determining properties of a medium, having a carrier ( | 03-27-2014 |
20140116144 | THIN-FILM ULTRASONIC PROBE HAVING A FLEXIBLE MEMBRANE - A method comprises positioning an ultrasonic probe against a surface of an item. The probe includes a chamber formed in part by a flexible membrane, which is opposite the surface. The method further comprises moving the probe along the surface while varying chamber pressure to flex the membrane to accommodate the surface. | 05-01-2014 |
20140305220 | Ultrasonic Inspection Using Incidence Angles - A method and apparatus is presented. A signal may be sent into a structure at an incidence angle from a transducer array. A response signal reflected from the structure in response to the signal sent into the structure may be detected at the transducer array to form a received response. | 10-16-2014 |
20150020594 | DETERMINATION ASSIST SYSTEM OF ULTRASONIC TESTING, DETERMINATION ASSIST METHOD OF ULTRASONIC TESTING, DETERMINATION ASSIST PROGRAM OF ULTRASONIC TESTING, AND COMPUTER-READABLE STORAGE MEDIUM FOR STORING DETERMINATION ASSIST PROGRAM OF ULTRASONIC TESTING - A determination assist system including a first image generating section for generating a first planar image based on data of a first test index; a second image generating section for generating a second planar image based on data of a second test index; a differentiation section which differentiates the first planar image and the second planar image to generate a first differential image and a second differential image, respectively; a binarization section which binarizes the first differential image to generate a first binary image including a first region which is not less than a first threshold and a second region, which is less than the first threshold, and binarizes the second differential image to generate a second binary image including a third region which is not less than a second threshold and a fourth region which is less than the second threshold; and a determination image generating section. | 01-22-2015 |
20150068311 | ULTRASONIC PIPE MEASUREMENT APPARATUS - An ultrasonic pipe measurement apparatus includes: a plurality of ultrasonic transceivers discretely disposed on a pipe wall of a pipe; and a control unit configured to control the plurality of ultrasonic transceivers and detect a generation point of damage caused in the pipe based on an ultrasonic signal exchanged between the ultrasonic transceivers. | 03-12-2015 |
20150143910 | ULTRASONIC TRANSMITTER CIRCUIT WITH MATCHED IMPEDANCE - A transmitter circuit and method for an ultrasonic thickness measurement system having an ultrasonic transducer and a cable with known cable impedance, the cable connecting at least the transmitter circuit to the ultrasonic transducer, the transmitter circuit comprising: an electrical pulse voltage signal emitter for producing an electrical pulse voltage signal to be propagated over the cable to the ultrasonic transducer, the electrical pulse voltage signal having a pulse nominal voltage value; a matched impedance circuit for matching a cable impedance of the cable at the transmitter circuit for an electrical parasitic reflection signal of the electrical pulse voltage signal, the electrical parasitic reflection signal being caused by an impedance mismatch between the cable and the ultrasonic transducer, a parasitic nominal voltage value of the electrical parasitic reflection signal being at most the pulse nominal voltage value. | 05-28-2015 |
20150346157 | METHOD AND DEVICE FOR IMPROVING THE SAFT ANALYSIS WHEN MEASURING IRREGULARITIES - The invention relates to a method and to a corresponding device in which irregularities regarding each detected measurement position within a measurement surface are detected using a local measurement density. Each echo signal received in response to each detected measurement position is then weighted in order to generate an image using a data processing device such that the irregularities are adjusted. | 12-03-2015 |
20150377837 | Ultrasonic sensor for object and movement detection - We provide arrays of capacitive micromachined ultrasonic transducer (CMUT) elements having large fractional bandwidth and configured such that each array element operates both to transmit and to receive. Large fractional bandwidth is provided by venting the CMUT cavity, which provides an additional source of damping for the resonant CMUT. | 12-31-2015 |
20160154095 | SENSOR FOR VEHICLE AND VEHICLE INCLUDING THE SAME | 06-02-2016 |
20190145940 | Classification of Ultrasonic Indications Using Pattern Recognition | 05-16-2019 |
20220137004 | ELECTROMAGNETIC ACOUSTIC TRANSDUCER (EMAT) FOR CORROSION MAPPING - Systems and methods for detecting corrosion in pipes are disclosed herein. In one embodiment, an apparatus for detecting corrosion in an object includes an electromagnetic acoustic transducer (EMAT) having a ferromagnetic core and a plurality of permanent magnets arranged peripherally around the ferromagnetic core. The permanent magnets are arranged to produce a magnetic field through the ferromagnetic core. The apparatus also includes a coil between the ferromagnetic core and the object. | 05-05-2022 |
073631000 | Having automatic gain control | 3 |
20120260736 | METHODS, MODULES, AND SYSTEMS FOR GAIN CONTROL IN B-MODE ULTRASONIC IMAGING - A gain control method for B-mode ultrasonic imaging, a gain control module, and a B-mode ultrasonic imaging system are disclosed. | 10-18-2012 |
20150292879 | PROXIMITY SENSING SYSTEMS AND METHODS - Methods, systems and device are provided for improving the range and accuracy of proximity measurement such as in ultrasonic sensing systems. In particular, the blind zone caused by reverberation signals can be reduced or eliminated by attenuating signals received during the time period corresponding to the blind zone without. In an implementation, an attenuator circuit is selected by a switch to process received signals during the blind zone time period and deselected by the switch after the time zone time period. Additionally, the accuracy and range of the measurement can be improved by varying the gain provided to the received signals based on the varying measuring distance. In an implementation, a gain-adjustable amplifier is controlled by a gain control signal to provide incremental gain as time increases. | 10-15-2015 |
20160076882 | PROXIMITY SENSING SYSTEMS AND METHODS - Methods, systems and device are provided for improving the range and accuracy of proximity measurement such as in ultrasonic sensing systems. In particular, the blind zone caused by reverberation signals can be reduced or eliminated by attenuating signals received during the time period corresponding to the blind zone without. In an implementation, an attenuator circuit is selected by a switch to process received signals during the blind zone time period and deselected by the switch after the time zone time period. Additionally, the accuracy and range of the measurement can be improved by varying the gain provided to the received signals based on the varying measuring distance. In an implementation, a gain-adjustable amplifier is controlled by a gain control signal to provide incremental gain as time increases. | 03-17-2016 |