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US 2003/0152153 A1Published application
Signaling through electromagnetic couplers
OwnerThomas D. Simon, Rajeevan Amirtharajah +1inventors
InventorsThomas D. Simon, Rajeevan Amirtharajah, John R. Benham
Life of this patent
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Abstract
A probe is positioned in the vicinity of a conductor. By electromagnetic coupling, a coupled signal is derived from a signal carried on the conductor. Based on the coupled signal, an evaluation is performed of the signal, the conductor, or a circuit associated with the signal or the conductor.
Claims26
A method comprising
- positioning a probe in the vicinity of a conductor,
- by electromagnetic coupling, deriving a coupled signal from a signal carried on the conductor, and
- based on the coupled signal, performing an evaluation of the signal, the conductor, or a circuit associated with the signal or the conductor.
A method comprising
- automatically positioning a probe in the vicinity of a conductor of a circuit under test,
- electromagnetically coupling signals from the conductor to the probe, and
- automatically testing the circuit by evaluating the coupled signals compared to reference signals.
Apparatus comprising
- a probe having a coupler configured for electromagnetic coupling, from a conductor to the probe, of a signal that is carried on the conductor, and
- circuitry connected to the probe and configured to perform an evaluation of the signal, the conductor, or a circuit associated with the signal or the conductor using the coupled signal.
A system comprising
- a probe having a coupler configured for electromagnetic coupling, from a conductor to the probe, of a signal that is carried on the conductor,
- structure configured to automatically position the probe for electromagnetic coupling to the conductor and
- automatic testing equipment including circuitry connected to the probe and configured to perform an evaluation of the signal, the conductor, or a circuit associated with the signal or the conductor using the coupled signal.
Dependencies are inferred from the claim text.