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7562576 |
Convenient ultrasonic inspection device
An ultrasonic transducer device is pressed against the front surface of a structure, emits an ultrasonic pulse into the structure, and detects an echo profile from the structure. An indicator is...
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7542872 |
Form measuring instrument, form measuring method and form measuring program
A form measuring instrument measures a form of a surface of an object to be measured using a contact to follow the surface. A pseudo-measurement point acquirer acquires positional coordinates of...
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7461554 |
Digital time variable gain circuit for non-destructive test instrument
In a non-destructive test instrument, there is provided a time variable gain (TVG) amplifier wherein the gain of the amplifier is dynamically changed to optimize the amplitude of a flaw echo...
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7383733 |
Method and apparatus for the sonic detection of high pressure conditions in a vacuum switching device
A method and apparatus for detecting a high pressure condition within an interrupter includes introducing high intensity ultrasonic sound into the outer wall of a vacuum interrupter through a sonic...
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7194905 |
Acceleration sensor
A three-axis acceleration sensor having a simple construction is provided for improving shock resistance without lowering sensor sensitivity. An acceleration sensor for detecting acceleration in...
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6981417 |
Scanning acoustic micro imaging method and apparatus for non-rectangular bounded files
Method and implementing apparatus useful in acquiring data on acoustic features within a sample provides a pulsed acoustic probe and a stage system for effecting relative movement between the...
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6957582 |
Ultrasonic system and method of gauging aircraft fuel and detecting battle damage
An aircraft ultrasonic system for fuel gauging and battle damage detection comprises: at least one ultrasonic transducer disposed at a fuel tank of the aircraft; a first circuit for exciting the at...
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6843129 |
Ultrasound measurement of the thickness of a weakly reflective sublayer by echo period summation
An ultra sonic sound measurement is used to determine the thickness of a partial layer in a multi-layered structure with reduced boundary surface reflections. A plurality of transmission pulses are...
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6807860 |
Multiple alloy rotor transition zone measurement system and method
A method to determine a depth of an internal feature in a forging using an ultrasonic transducer including: collecting data on echoes reflected by the internal feature of ultrasonic signals...
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6789427 |
Phased array ultrasonic inspection method for industrial applications
A method for inspecting a component includes exciting a number of transducers forming an array to produce an ultrasonic transmission beam (beam) focused into the component. The array and the...
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6684696 |
Filling-level measuring device that evaluates echo signals
A filling-level measuring device, specifically a filling-level radar system, comprises a transmitter ( 1 ), a receiver ( 2 ) for an echo of a signal emitted by the transmitter ( 1 ), and an...
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6543287 |
Method for acoustic imaging by angle beam
A method for acoustic imaging by angle beam, which includes generating a sound wave, coupling the wave at an angle to a first surface of a test piece via a physically continuous path. The test...
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6474163 |
Ultrasonic flaw detection method and instrument therefor
A method and apparatus for ultrasonic flaw detection of line focus type suitable for detection of flaws in nonmetallic materials included in an object. Ultrasonic transmitter and receiver elements...
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6418791 |
System and method for acoustic integrity monitoring
A method and system are disclosed for monitoring vacuum integrity in a vacuum interrupter. The method includes injecting sonic signals into a body and detecting sonic signals reflected from the...
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6020988 |
Ultra high resolution wave focusing method and apparatus and systems employing such method and apparatus
An ultra high resolution wave focusing method and apparatus is disclosed. The invention provides a focusing system having an effective numerical aperture greater than that possible using known...
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5750895 |
Method and apparatus for dual amplitude dual time-of-flight ultrasonic imaging
A method and apparatus for ultrasonic imaging which includes scanning a test specimen located in a test fixture in a predetermined scan pattern. Propagating and receiving reflected pulses of...
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5671154 |
Signal processing method and signal processing device for ultrasonic inspection apparatus
In an ultrasonic inspection apparatus for detecting a flaw present in a target object (2) on the basis of an echo signal (b) from the target object (2), a high-frequency echo signal (b) output from...
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5652389 |
Non-contact method and apparatus for inspection of inertia welds
The present invention is directed toward a method and apparatus for the ncontact inspection of workpieces having a plate-like portion of the first part joined via an inertia weld to the end of a...
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5641906 |
Apparatus and method for automated non-destructive inspection of integrated circuit packages
An apparatus and method are disclosed for producing acoustical reflected images from selected planes within an integrated circuit package to detect flaws within the package.
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5635644 |
Apparatus for measuring a layer thickness using transverse waves of ultrasonic waves
An apparatus which measures a thickness of a layer using transverse waves of ultrasonic waves, and includes: a sensor unit having a probe for obliquely transmitting and receiving to and from the...
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5431054 |
Ultrasonic flaw detection device
An ultrasonic flaw detection device including a transmitting ultrasonic transducer for producing multiple shear wave skips between inner and outer surfaces of a test object, a plurality of...
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5381693 |
Ultrasonic imaging apparatus with synthesized focus and setting range markings
In an ultrasonic imaging apparatus, an object to be inspected is scanned while being irradiated by a generated ultrasonic beam. Echo signals from the object are received and a plane image and a...
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5309765 |
Method and apparatus for performing ultrasonic flaw detection by controlling peak frequency and frequency bandwidth
An apparatus for performing ultrasonic flaw detection, wherein an ultrasonic transmitter transmits a pulse signal having a designated carrier frequency and a designated cycle count to an ultrasonic...
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5119678 |
Pulse echo and through transmission ultra-sound
A method for locating and identifying defects in a variable geometry workpiece using first and second transceivers positioned of a preselected distance apart adjacent opposite surfaces of the...
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4875372 |
Echo cancellation system
An ultrasonic inspection system for composite materials capable of detecting flaws near the surface of the inspected part which flaws are normally masked by strong reflections from the part...
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4829824 |
Method for digital peak value measurement for ultrasonic test pulses
Method for the digital peak value measurement for ultrasonic test pulses having a predetermined pulse repetition frequency. After amplification, the input signal to be measured is present at a...
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4799168 |
Data recording apparatus for an ultrasonic inspection system
A multi-channel ultrasonic inspection system includes an ultrasonic inspection unit which generates ultrasonic inspection pulses, supplies the pulses to a part being inspected, produces an output...
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4751686 |
Ultrasonic microscope
In order to replace acoustic lenses, frequency units corresponding to frequencies used by the acoustic lenses and housing transmitted pulse generating means, circulators and receiving means can be...
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4510811 |
Method for distinguishing between interfering signals and signals indicating defects of workpieces during ultrasonic testing
In order to safely interfering signals caused by interfering volumina like e.g. air bubbles existing in a coupling medium from signals generated by workpiece defects in the ultrasonic testing of...
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4480475 |
Real-time ultrasonic weld inspection method
The ultrasonic weld inspection method comprises transmitting an ultrasonic wave through the molten metal portion of the weld while the weld is being formed and determining if a weld defect is...
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4480474 |
Method and apparatus for ultrasonic flaw detection of T-welded portion of steel product
Herein disclosed is a method for ultrasonic flaw detection of T-welded portion of steel product. The method comprises: maintaining the flange portion horizontally, making convergent ultrasonic...
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4432235 |
Ultrasonic instrument with time and amplitude gate bar display
An ultrasonic test instrument includes a pulse generator, a receiver, a cathode ray tube screen display and a time gate means providing a gated time interval for viewing only echo signals which...
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4364273 |
Apparatus for locating interfaces in media
Apparatus to detect and/or locate an inhomogeneity in a medium comprises a transducer to transmit frequency-modulated ultrasonic energy through the medium and a transducer to receive reflected...
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4271707 |
Received signal encoding and correlating system
An ultrasonic phased array imaging system having a received signal encoding and correlating system. Pulse echoes picked up by each of the plurality of transducers are passed by a timed gate signal...
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4271706 |
Ultrasonic scanner
An ultrasonic pulse is directed into a body and electrical representations of pulse reflections from body interfaces along its path are generated. The ultrasonic signal path is scanned through a...
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4226122 |
Apparatus for recording echo pulses
A three-dimensional ultrasonic scanning apparatus produces projection pictures on the surface of an object under inspection or examination and on planes perpendicular thereto. The amplitudes of the...
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4209022 |
Echography apparatus for medical diagnosis, using a multiple-element probe
An ultra-sonic echography apparatus comprises a probe with multiple elements switched at the rate of transmission pulses and moved along a contour of the test body. Its position is registered by a...
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4206653 |
Ultrasonic apparatus
In an ultrasonic investigating apparatus a transducer can receive reflections from points in the body for which the position in one direction is relatively well known as a result of accurate range...
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4112927 |
Ultrasonic detector with audible indication signal
A pulsed ultrasonic detection system particularly adapted for detection of biological tissue includes a probe for placement against the body, apparatus for transmitting ultrasonic energy into the...
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4111054 |
Gravidity detection method and apparatus
Ultrasonic detection of early pregnancy in sows and like animals is enhanced by basing an assumption of pregnancy upon detection of a substantially echo-free animal zone of predetermined width or...
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4106346 |
Grey-level ultrasonic imaging
Apparatus and method for grey-level ultrasonic imaging employing a storage oscilloscope. In medical diagnostic uses, a patient originated ultrasonically reflected wave is converted into an...
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4106326 |
Initialization and preparation of on-production-line ultrasonic test equipment
The initialization and preparation procedure described involves particularly ultrasonic test equipment for ultrasonic inspection of welding seams of pipes while passing through a production line. A...
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4102205 |
Method and apparatus for ultrasonic nondestructive testing of workpieces with automatic compensation for the probe, workpiece material, and temperature
A method and apparatus for ultrasonic nondestructive testing of workpieces include automatic compensation of echo responsive electrical signals commensurate with preprogrammed test parameters. The...
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4098130 |
Energy reflection flaw detection system
An energy reflection flaw detection system utilizes a programmable system synchronization means having high stability and resolution, to facilitate the detection of flaws within an object to be...
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4092867 |
Ultrasonic scanning apparatus
An ultrasonic scanner having a housing, an ultrasonic transducer disposed within the housing and mounted for movement in a predetermined path therewithin. Magnetic means are provided for effecting...
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4089226 |
System for residual tire life prediction by ultrasound
A residual tire life prediction system uses a clock to trigger a bang generator that provides pulses of electrical energy to a pulse-echo transducer. The transducer converts pulses of electrical...
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4068524 |
Ultrasonic inspection of articles
A method of ultrasonically inspecting an article comprises the following steps: transmitting a succession of ultrasonic pulses into the article; for each transmitted pulse, detecting and...
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4054053 |
Automatic weld flaw detector
An automatic weld flaw detector comprises a comparator for comparing the height of an echo from a detected flaw upon movement of a probe over each unit distance with a maximum echo height already...
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4043181 |
Ultrasonic pulse-echo apparatus
For use in ultrasonic pulse-echo apparatus including an ultrasonic wave transducer for transmitting an ultrasonic wave toward an object to be examined and for producing an electric signal...
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4033177 |
Dual trace display for ultrasonic testing apparatus
An ultrasonic nondestructive testing system is disclosed which is adapted to display test information representing ultrasonic energy reflected from within an object under test in various modes. In...
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