Ultrasonic linear array beamforming method and apparatus

Details Ultrasonic linear array beamforming method and apparatus Ultrasonic linear array beamforming method and apparatus

1980-02-19

1982-06-15

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

73625, 367103, G01N 2900

Patent

active

043344321

ABSTRACT:
Steering and focusing acoustic beams in ultrasonic echoscopy, and in other acoustic techniques, can be effected using linear arrays of acoustic transducers. The focusing and steering can be improved by using linked delay lines connected to the transducers when the transducers operate in a receive mode, with delay values which are both linear and quadratic values of the distance of the respective transducer from the center of the array.

REFERENCES:
patent: 4019169 (1977-04-01), Takamizawa
patent: 4058003 (1977-11-01), Macovski
patent: 4152678 (1979-05-01), Shott et al.
patent: 4252025 (1981-02-01), Robinson

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