Boots – shoes – and leggings
Patent
1989-06-02
1991-06-11
Dixon, Joseph L.
Boots, shoes, and leggings
364581, 364572, 250260, 25036301, 73151, G01N 700, G06G 712
Patent
active
050238191
ABSTRACT:
A filter for use with a signal which varies about a mean such as in a radioactive densometer, is provided and includes a microprocessor and timing clock for sampling the random variable over a specific time interval. The microprocessor utilizes a weighting factor which is used to determine a percentage of an average frequency of an initial sample of random signals or mean. Further, the microprocessor determines a percentage of an average frequency of a subsequent sample of random signals. Once determined, the two percentages are added together yielding a new frequency which the microprocessor then uses to decide if an actual change in state has occurred.
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Dixon Joseph L.
Duzan James R.
Halliburton Company
McBurney Mark E.
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