Ultrasonic probe

Details Ultrasonic probe Ultrasonic probe

1982-02-22

1984-10-02

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

73628, G01N 2900

Patent

active

044740654

ABSTRACT:
An ultrasonic probe (1) for use with ultrasonic imaging apparatus for investigating the internal structure of a body contains a pair of pulse echo receivers (RA1, RB1; RA2, RB2; . . . ) for each pulse transmitter in a linear array of transmitters (T1, T2, . . . ). The two receivers (A,B) in each pair lie in a plane at right-angles to the pulse propagation axis of the associated transmitter and equidistant therefrom. The outputs from the two receivers in each pair are correlated by multiplying in multipliers (11.1, 11.2, 11.3) so that in use the time coincident components of the two waveforms in each receiver pair are emphasized, thus focussing the echo information in the longitudinal plane of symmetry (4) of the probe.

REFERENCES:
patent: 3346862 (1967-10-01), Raudsep
patent: 3683680 (1972-08-01), Johnson et al.
patent: 4235111 (1980-11-01), Hossler
patent: 4267584 (1981-05-01), McKeighen et al.
patent: 4359767 (1982-11-01), Sachs et al.

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