State of charge indicator
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United States of America Patent
Stats
-
May 28, 1985
Grant Date -
N/A
app pub date -
Mar 26, 1982
filing date -
Mar 26, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for producing a visual signal of the state of charge of a battery selectively connected and disconnected from an external load. A test load is connected to the battery for a predetermined period of time to draw a current pulse from the battery when the battery is disconnected from the external load. Simultaneously, the voltage of the battery is measured. The measured voltage is converted to a digital signal, and the digital signal is transmitted to a storage means. The stored signal is then transmitted to a visual display device.
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Family
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Cited Art Landscape
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