Boots – shoes – and leggings
Patent
1980-03-06
1982-06-01
Wise, Edward J.
Boots, shoes, and leggings
320 48, 324433, G01N 2742, G06F 1556
Patent
active
043331491
ABSTRACT:
A state of charge gauge for measuring the state of charge of secondary batteries, such as the type employed in electric vehicles, includes a microprocessor which, when supplied with data varying in accordance with battery discharge current and battery terminal voltage, determines battery resistance. Having determined battery resistance which is a dynamically varying parameter dependent on battery temperature and age, the microprocessor computes the total battery charge capacity. Comparison of the quantity of battery charge already depleted with the previously computed total battery charge capacity yields an accurate indication of remaining battery charge.
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Design of Primary and Secondary Cells; C. M. Shepherd; Journal of Electrochemical Soc., Jul. 1965, vol. 112, pp. 657-664.
Passman William S.
Sicko John S.
Taylor Dale F.
Davis Jr. James C.
General Electric Company
Snyder Marvin
Steinberg William H.
Wise Edward J.
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