Communications: electrical – Condition responsive indicating system – With particular system function
Reexamination Certificate
2005-04-12
2005-04-12
Hofsass, Jeffery (Department: 2636)
Communications: electrical
Condition responsive indicating system
With particular system function
C340S506000, C706S008000, C706S016000
Reexamination Certificate
active
06879253
ABSTRACT:
The signals of a danger detector that has at least one sensor (2, 3, 4) for monitoring danger parameters and an electronic evaluation system (1) assigned to the at least one sensor (2, 3, 4) are compared with specified parameters. In addition, the signals are analysed with regard to whether they occur increasingly frequently or regularly, and signals that occur increasingly frequently or regularly are classified as interference signals. The classification of signals as interference signals triggers an appropriate adjustment of the parameters. If interference signals occur, the validity of the result of the analysis of the signals of the at least one sensor (2, 3, 4) is checked prior to the adjustment of the parameters, and the parameters are adjusted as a function of the result of said validity test.
REFERENCES:
patent: 6011464 (2000-01-01), Thuillard
patent: 6150935 (2000-11-01), Anderson
Jacob et al., “Empirical Validation of the Performance of a Class of Transient Detector”, (1996), IEE XP-002144057.
Thuillard, “Fuzzy-wavelets: theory and applications”, (1998), EUFIT' 98, XP 000934368.
Ma et al., “Wavelet Transform Based Sensor Validation”, (1999), IEE XP 002144056.
Baker & Botts LLP
Blount Eric
Hofsass Jeffery
Siemens Building Technologies AG
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