Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters
Reexamination Certificate
2008-03-26
2010-12-28
Natalini, Jeff (Department: 2831)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Distributive type parameters
C324S637000
Reexamination Certificate
active
07859271
ABSTRACT:
Systems and methods are described for transmitting a waveform having a controllable attenuation and propagation velocity. An exemplary method comprises: generating an exponential waveform, the exponential waveform (a) being characterized by the equation Vin=De−ASD[x−vSDt], where D is a magnitude, Vinis a voltage, t is time, ASDis an attenuation coefficient, and vSDis a propagation velocity; and (b) being truncated at a maximum value. An exemplary apparatus comprises: an exponential waveform generator; an input recorder coupled to an output of the exponential waveform generator; a transmission line under test coupled to the output of the exponential waveform generator; an output recorder coupled to the transmission line under test; an additional transmission line coupled to the transmission line under test; and a termination impedance coupled to the additional transmission line and to a ground.
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Biskup John F.
Flake Robert H.
Board of Regents The University of Texas
Brightwell Mark K.
Hood Jeffrey C.
Meyertons Hood Kivlin Kowert & Goetzel P.C.
Natalini Jeff
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