Tissue signature tracking transceiver having upconverted IF ampl

Details Tissue signature tracking transceiver having upconverted IF ampl Tissue signature tracking transceiver having upconverted IF ampl

1986-09-03

1987-09-08

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73900, 128660, G01N 2904

Patent

active

046915710

ABSTRACT:
An improved ultrasound transceiver providing enhanced imaging by selective filtering of the received signal to provide a variable frequency, constant bandwidth filtering of the received echo signals. The transceiver provides a constant bandwidth filtering by upconverting the received signals to a higher incremented frequency, which is thereafter detected. The resulting signals are then displayed wherein the number of false multiple images is reduced, and the signal quality from the deeper tissue discontinuities is enhanced. The resulting signal is thereafter post-processed to provide enhanced information which is used to display structural features.

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Wescon Tech. Papers, "Solutions to Problems of Low-Noise Amplification at Microwave Frequencies," Convention, Aug. 25-28, 1970, Session 9.

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