04876513 is referenced by 110 patents and cites 1 patents.

A dynamic state-of-charge indicator for a storage battery characterized by a discharge curve relating available energy of the battery to a contemporaneous voltage over a range of voltage boundaries having predetermined end points corresponding to fully charged and effectively discharged for one charge cycle. The indicator includes a microprocessor for storing predetermined relationships between the contemporaneous voltage and the state-of-charge of the battery. A voltage sensor and a current sensor are connected to monitor battery voltage and current flow, respectively, and to provide corresponding voltage and current signals to the microprocessor. The microprocessor periodically computes the internal resistance of the battery, the average voltage and current for a predetermined discharge time period and a corrected voltage as a total of internal resistance voltage loss and average voltage with the state-of-charge being determined as a function of the corrected battery voltage.

Title
Dynamic state-of-charge indicator for a battery and method thereof
Application Number
7/279213
Publication Number
4876513
Application Date
December 5, 1988
Publication Date
October 24, 1989
Inventor
William H Tiedemann
Cedarburg
WI, US
George H Brilmyer
Cedarburg
WI, US
Agent
Foley & Lardner
Assignee
Globe Union
WI, US
IPC
G01N 27/46
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