Battery tester upgrade using software key
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United States of America Patent
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-
Mar 14, 2006
Grant Date -
Mar 18, 2004
app pub date -
Sep 18, 2002
filing date -
Sep 18, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electronic battery tester, comprising first and second connectors configured to electrically couple to terminals of the battery, a microprocessor configured to test the battery using the first and second connectors, a memory containing a set of locked instructions for the microprocessor, an input configured to receive a software unlocking key, and the microprocessor configured to execute the set of locked instructions in response to the software unlocking key corresponding a predetermined software unlocking key.
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