Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2008-09-02
2008-09-02
Nguyen, Hoai-An D (Department: 2831)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C324S662000, C324S686000, C033S0010PT
Reexamination Certificate
active
11511925
ABSTRACT:
A method of sensing absolute position of a structure includes: generating a signal pattern to repetitively provide a changing voltage to each of two or more tracks of a sensor, capacitively coupling an electrode of the sensor to the tracks to determine a first electrode position along the tracks by detecting a first group of signals emitted in response to the signal pattern, moving at least one of the electrode and the tracks relative to another of the electrode and the tracks to result in a second electrode position along the tracks different from the first electrode position, and detecting a second group of signals emitted in response to the signal pattern with the electrode capacitively coupled to the tracks to determine the second electrode position.
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Brown Kenneth A.
Tola Jeffry
Krieg DeVault LLP
Nguyen Hoai-An D
TT electronics plc
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