Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system
Reexamination Certificate
2006-07-04
2006-07-04
Barlow, John (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Mechanical measurement system
C702S050000, C073S204150, C073S204140
Reexamination Certificate
active
07072776
ABSTRACT:
A system and method are provided to regulate resistance in a discontinuous time hot-wire anemometer. The solution removes supply voltage dependency on the mass airflow output signal. Operating the hot-wire anemometer using discontinuous time regulation offers lower system power, but introduces an inverse supply dependent term in the associated transfer function. This effect is removed by multiplying the output signal via a supply dependent signal.
REFERENCES:
patent: 3603147 (1971-09-01), Dorman
patent: 4854167 (1989-08-01), Czarnocki et al.
patent: 6763711 (2004-07-01), Nair et al.
Baldwin David J.
Grose William E.
Hagan Tobin D.
Barlow John
Brady III W. James
Kempler William B
Moffat Jonathan
Telecky , Jr. Frederick J.
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