Apparatus for generating high power, low energy pulses across the terminals of a large capacity, low impedance battery
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United States of America Patent
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Nov 19, 1996
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N/A
app pub date -
Jul 1, 1994
filing date -
Apr 16, 1992
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Abstract
A signal, in the form of high power, low energy pulses that are generated on cables that are connected directly to the terminals of a low impedance battery, are transmitted between a memory device located on the battery and a data recorder located at the charger end of the battery charging cables. Information transfer between the battery memory device and a charger is done through the battery cables, eliminating the need for special connections. The high power, low energy pulses imposed on the battery cables may be detected at each end of the cables, in spite of the low impedance nature of large lead acid batteries. Pulses are created across the terminals of the battery using a fast acting switch (preferably a FET), a capacitor, and a current limiting resistor connected in series across the cables. When the switch is closed in response to an external command, high power, low energy pulses imposed at one end of the cables are detected at the other end of the cables.
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