Boots – shoes – and leggings
Patent
1993-02-04
1994-12-06
Black, Thomas G.
Boots, shoes, and leggings
320 48, 324426, 324427, 324434, G01N 2746
Patent
active
053716825
ABSTRACT:
A reserve time predictive system for predicting the capacity of a discharging battery monitors the instant voltage of a battery, its discharge rate and a slope of the voltage vs ampere-hours removed from the battery. The discharge profile of battery voltage vs ampere-hours removed, and the difference between the present and end voltage and the slope of voltage vs ampere-hours remaining is utilized to determine a prediction of reserve time remaining until the battery discharges to the specified end voltage. A combination of remaining reserve time and the measurement of capacity removed also determines the available capacity of the battery from a fully charged state. This information is used as historical data for use in subsequent predictions of battery capacity.
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LeVine David E.
Pasrija Arun K.
AT&T Corp.
Black Thomas G.
Steinmentz Alfred G.
Walker Tyrone V.
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