Boots – shoes – and leggings
Patent
1996-02-12
1998-06-09
Trammell, James P.
Boots, shoes, and leggings
364484, 364485, 364487, 364569, 327 18, 327 20, 377 16, 377 19, 377 20, G01R 2300
Patent
active
057645248
ABSTRACT:
A method and apparatus for detection of missing pulses from a repetitive pulse train including signal detection circuits for capturing the rising and/or falling edges of an input signal, time-stamping the captured edges, calculating the maximum and minimum instantaneous frequency over a specified time period, and displaying such frequency values. Instantaneous frequency values between any two adjacent edges are calculated based upon the time-stamps of the edges. The instantaneous frequency values in a specified time period are then sorted to find the minimum and maximum frequency values for that time period. These instantaneous frequency values are displayed in the form of a histogram evidencing the occurrence or lack of occurrence of missing pulses from the input signal.
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Andersson Claes Georg
Lewis Bradley R.
Villa Charles N.
Hamrick Claude A. S.
Snap-on Technologies, Inc.
Trammell James P.
Wachsman Hal D.
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