Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2007-06-05
2007-06-05
Tweel, Jr., John (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S580000, C374S163000
Reexamination Certificate
active
10499162
ABSTRACT:
A thermal sensor is provided, which is distinguished in that it includes means for removing a deposit on a sensing element of the sensor. In addition, means for detecting the deposit may be provided. The means for removing the deposit are realized by a trigger circuit for the sensing element, which brings about heating of the sensing element. In addition, a reference sensing element may be utilized as well, which is used both for indirect heating and for checking the sensing element. Due to the use of a catalytic layer on the sensing element, a deposit may be removed at relatively low temperatures.
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Arndt Michael
Krummel Christian
Kenyon & Kenyon LLP
Robert & Bosch GmbH
Tweel , Jr. John
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