Measuring and testing – Vibration
Reexamination Certificate
2005-05-17
2005-05-17
Williams, Hezron (Department: 2856)
Measuring and testing
Vibration
C073S579000, C073S170170, C073S170180, C318SDIG002, C318S366000
Reexamination Certificate
active
06892580
ABSTRACT:
A method for determining a rate of rain falling on a surface. As rain falls and strikes the surface, vibrations are generated on the surface. The vibrations are sensed and a vibration signal is generated, the vibration signal being proportional to the vibrations of the surface. The vibration signal includes peaks. The peaks of the vibration signal are determined. The time intervals between the peaks are then determined. Using the time intervals, a number n1of timer intervals that occur between a first time and a second time are counted. A number n2of time intervals that occur between the second time and a third time are also counted. The rain rate λ is then determined using an equation that is derived from a point process equation and utilizes n1and n2.
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Ackerman Mark S.
Byrne Colin John
Pankey Brent W.
Rohde Mitchell M.
Williams William J.
AGC America, Inc.
Fayyaz Nashmiya
Howard & Howard
Williams Hezron
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