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US6035717A
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Method and apparatus for measuring the thickness of a coated material
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Signal processing apparatus for ultrasonic flaw detection system
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High resolution measurement of a thickness using ultrasound
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Flaw detector incorporating DGS
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Quiet bus for the busing of analog and digital data
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Ultrasonic thickness gauge circuit with transit path correction
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Ultrasonic thickness measuring instrument
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Ultrasonic transducer probe
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Method and apparatus for providing dynamic focussing and beam steering in an ultrasonic apparatus
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Method and apparatus for converting analog ultrasonic echo signals into digital form
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Ultrasonic velocity measuring method and apparatus
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Pulse peak detector circuit
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Transducer probe for pulse-echo ultrasonic exploration
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Resolution real-time ultrasonic imaging apparatus
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Ultrasonic inspection device
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Method and apparatus for measuring time interval between two pulse signals
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Method and apparatus for testing railroad wheels
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Attenuator circuit ultrasonic testing
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Ultrasonic track testing carriage
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Interferometric method and apparatus for sensing surface deformation of a workpiece subjected to acoustic energy
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