Measuring and testing – Moisture content or absorption characteristic of material
Reexamination Certificate
2007-04-17
2007-04-17
Thompson, Jewel (Department: 2855)
Measuring and testing
Moisture content or absorption characteristic of material
Reexamination Certificate
active
10963172
ABSTRACT:
A moisture detector can include a first elongated conductor disposed on a substrate. The first conductor can define a zigzag path between the opposite ends thereof. A second conductor can also be disposed on the substrate at least partially surrounding the first conductor. The second conductor can define between opposite ends thereof a zigzag path having a portion thereof that is positioned in substantially spaced parallel relation with the zigzag path of the first conductor along the sides thereof. A power conductor disposed on the substrate can be electrically connected to the first conductor intermediate the ends thereof via a gap defined between the ends of the second conductor. Ground conductors disposed on the substrate can be electrically connected to the ends of the second conductor. A temperature sensor can be utilized to correct the response of the moisture detector for temperature.
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PCT Application Serial No. PCT/US02/06163 filed Feb. 28, 2002.
International Search Report mailed Sep. 9, 2004.
Chun Shelby
Hawk Allen R.
Koram Kwaku K.
PPG Industries Ohio Inc.
Siminerio Andrew C.
Thompson Jewel
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