1
Lewis J Thomas III, Michael J Harsh: Phased array sector scanner with multiplexed acoustic transducer elements. General Electric Company, Marvin Snyder, July 19, 1994: US05329930 (73 worldwide citation)

A phased array sector scanning ultrasonic imaging system includes a transducer array with 2N separate transducer elements and a transmitter and receiver with N separate channels. The complete 2N element aperture is realized at each beam angle with two firings of the transmitter and the receipt of ec ...


2
Anne L Hall, Michael J Harsh: Method for controlling adaptive color flow processing using fuzzy logic. General Electric Company, Dennis M Flaherty, John H Pilarski, October 25, 1994: US05357965 (33 worldwide citation)

A color flow processor has a fuzzy logic processor for determining when an adaptive wall filter can be turned off in response to the condition wherein flow signal will be treated as wall signal. The fuzzy logic processor uses details of wall velocity and power, as well as variance, to determine whet ...