Surgery – Truss – Pad
Patent
1991-11-06
1993-10-12
Jaworski, Francis
Surgery
Truss
Pad
A61B 800
Patent
active
052516318
ABSTRACT:
An ultrasonic imaging apparatus comprising the main body containing a transmission system, a reception system composed of a plurality of receiving sections, a signal processing system, a display system, and a first connector, a probe unit containing a plurality of transducers, a second connector for connecting the probe unit to the first connector of the main body in a detachable manner, a memory in stalled in the second connector for storing data to calibrate at least one of the sensitivity and phase characteristics for each of the plurality of transducers, and a calibration circuit installed in the main body for retrieving stored data from the memory and calibrating one of sensitivity and phase characteristics for each of the plurality of receiving sections of the reception system.
REFERENCES:
patent: 4446715 (1984-05-01), Bailey
patent: 4811740 (1989-03-01), Ikeda et al.
patent: 5129397 (1992-07-01), Jingu et al.
Maekawa Hiromi
Nakata Kazunari
Tsuchiko Masayoshi
Jaworski Francis
Kabushiki Kaisha Toshiba
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