Ultrasonic diagnosis apparatus

Details Ultrasonic diagnosis apparatus Ultrasonic diagnosis apparatus

1987-06-22

1989-02-14

Jaworski, Francis J.

Surgery

Truss

Pad

73602, A61B 1000

Patent

active

048039934

ABSTRACT:
An ultrasonic diagnosis apparatus includes a circuit unit for obtaining an envelope signal of a received ultrasonic signal, an A/D converter for A/D converting the envelope signal, and a circuit unit responsive to the output from the A/D converter for emphasizing the high frequency components of the envelope signal through a digital signal processing.

REFERENCES:
patent: 4318413 (1982-03-01), Iinuma et al.
Ophir, J. et al, "Digital Scan Converters in Diagnostic UTS Imaging", Proc. of the IEEE, vol. 67, No. 4 (Apr. 1979), pp. 654-662 only.
Hoshino, H. et al, "Microprogrammable UTS Image Processor and Its Applications to Image Manipulation", SPIE, vol. 314, Dig. Radiog. (1981).
Strum, R. D. et al, "Discrete Systems and Digital Signal Processing", Addison-Wesley Publ. Co., Oct. 1987, pp. 571-577.
Peled, A. et al. "A New Approved to the Realization of Non-Recursive Digital Filters", IEEE publ. AU-21 (6), pp. 477-484 (1973).

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