Boots – shoes – and leggings
Patent
1989-02-08
1991-05-07
Dixon, Joseph L.
Boots, shoes, and leggings
36457107, 324 77R, 73 1R, G01D 1800
Patent
active
050142291
ABSTRACT:
The present invention improves the accuracy of waveshape measurements and transducers. Specifically, it is a method and apparatus which calibrates a system, which comprises transducers, amplifiers, filters and analog-to-digital converters, by digitally removing phase and amplitude errors over a frequency spectrum.
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Hewlett Packard, "Measurement-Computation-Systems", 1985, pp. 210-219 (Impedance Meters).
Nitz; "Self-Calibrating Technique Improves Power Monitor", Design News, pp. 141-146, May 20, 1989.
Basic Measuring Instruments
Dixon Joseph L.
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