Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – With auxiliary means to condition stimulus/response signals
Reexamination Certificate
2007-12-18
2007-12-18
Benson, Walter (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
With auxiliary means to condition stimulus/response signals
C324S647000, C324S648000, C333S109000, C333S112000
Reexamination Certificate
active
11071670
ABSTRACT:
A directional bridge for measuring propagated signals to and from a source device to a load device where both the source device and load device are in signal communication with the directional bridge is disclosed. The directional bridge may include a first bridge circuit network and a first sensing element in signal communication with the first bridge circuit network. The first sensing element may produce a first measured signal that is proportional to the propagated signals.
REFERENCES:
patent: 3683274 (1972-08-01), Martin
patent: 4013949 (1977-03-01), Ice
patent: 4982164 (1991-01-01), Schiek et al.
patent: 5121067 (1992-06-01), Marsland
patent: 6580278 (2003-06-01), Harrison
Ehlers Eric R.
Hutchinson Craig
Rhymes Richard L.
Shirley Timothy E.
Wong Bobby Y.
Agilent Technologie,s Inc.
Benson Walter
Zhu John
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