Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1993-05-07
1996-01-16
Peng, John K.
Communications: electrical
Condition responsive indicating system
Specific condition
73 232, 250381, G08B 1710
Patent
active
054851440
ABSTRACT:
A compensated ionization-type sensor includes spaced apart active and reference electrodes. A center electrode is disposed between the active reference electrodes. A compensating electrode is disposed adjacent to the center electrode and, capacitively coupled thereto. The compensating electrode is electrically coupled to the active electrode. A compensating screen with a selected potential applied thereto surrounds the electrodes to compensate for velocity of the ambient atmosphere.
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Amleshi Perrouz
Jen Hsing G.
MacPherson William
Tice Lee D.
Lefkowitz Edward
Peng John K.
Pittway Corporation
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