Surgery – Truss – Pad
Patent
1979-08-31
1981-09-15
Michell, Robert W.
Surgery
Truss
Pad
73631, A61B 1000
Patent
active
042891400
ABSTRACT:
Echoscopes incorporating signal processing circuits capable of providing a more complete and useful display of information received as a train of electrical signals. In one circuit, which is essentially a compression amplifier, the amplitude range of the input signal is limited by way of two or three amplitude limiting stages and an adder connected to sum the output of the first and last stages provides an advantageous output to input characteristic for the circuit.
The second circuit includes filter means and derivating means to separately process the input signal, and an adder to combine the outputs of these means to obtain a signal of enhanced utility.
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Carpenter David A.
Kossoff George
Radovanovich George D.
Jaworski Francis J.
Michell Robert W.
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