Measuring and testing – Gas analysis – Moisture content or vapor pressure
Reexamination Certificate
2006-04-18
2006-04-18
Williams, Hezron (Department: 2856)
Measuring and testing
Gas analysis
Moisture content or vapor pressure
C073S029020, C073S335040
Reexamination Certificate
active
07028531
ABSTRACT:
A sensor arrangement is suitable for detecting if a windscreen of a motor vehicle is fogging. The sensor arrangement includes a heat conducting layer disposed on a supporting surface, the layer exhibiting good heat conducting properties. A support plate is arranged on top of the heat conducting layer, including a recess and several electrical conductor tracks. A moisture-sensitive sensor element is arranged in the region of the recess of the support plate. The sensor element is electroconductively connected to the conductor tracks on the support plate. The temperature difference between the sensor element and the supporting plate may not exceed a given limit when measurement occurs.
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Technical Bulletin, entitled “Preliminary HC 103 Humidity Sensor Element (Bare Chip)”, E+E Elektronik Ges.m.b.H, Austria.
Heidenhain Specification for Humidity Sensor HC 102, Version Sep. 15, 1999.
E+E Elektronik Ges.m.b.H.
Hanley John C
Kenyon & Kenyon
Williams Hezron
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