Apparatus and method for sending out and receiving ultrasonic wa

Details Apparatus and method for sending out and receiving ultrasonic wa Apparatus and method for sending out and receiving ultrasonic wa

1986-08-01

1988-04-12

Levy, Stewart J.

Measuring and testing

Vibration

By mechanical waves

73628, 128660, G01N 2900

Patent

active

047366303

ABSTRACT:
An ultrasonic inspection apparatus and method in which a linear array of acoustic transmitters and receivers are disposed adjacent to a workpiece, and alternating potential source is connected to some of the acoustic transmitters to project a side lobe of an acoustic wave toward a specific zone of the workpiece. Thereafter, the connections between some of the acoustic transmitters and the potential source are automatically changed, to move the specific zone as many times as may be necessary to provided scanning of the workpiece.

REFERENCES:
patent: 4412316 (1983-10-01), Diepers
patent: 4472973 (1984-09-01), Sugai et al.
patent: 4592237 (1986-06-01), Ogura et al.
patent: 4597292 (1986-07-01), Fujii et al.
patent: 4611494 (1986-09-01), Uchiyama

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