Battery tester upgrade using software key
First Claim
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1. An electronic battery tester, comprising:
- first and second connectors configured to electrically couple to terminals of a battery;
a microprocessor configured to test the battery using the first and second connectors;
a memory containing a first set of locked instructions for the microprocessor;
an input configured to receive a first software unlocking key; and
the microprocessor configured to execute the first set of locked instructions in response to the first software unlocking key corresponding to a first predetermined software unlocking key, wherein the first set of locked instructions are a first set of battery testing instructions.
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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.
365 Citations
37 Claims
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1. An electronic battery tester, comprising:
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first and second connectors configured to electrically couple to terminals of a battery;
a microprocessor configured to test the battery using the first and second connectors;
a memory containing a first set of locked instructions for the microprocessor;
an input configured to receive a first software unlocking key; and
the microprocessor configured to execute the first set of locked instructions in response to the first software unlocking key corresponding to a first predetermined software unlocking key, wherein the first set of locked instructions are a first set of battery testing instructions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A method of testing a battery, comprising:
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(a) providing a first and second connector configured to electrically couple to terminals of the battery;
(b) providing a microprocessor configured to test the battery using the first and second connectors;
(c) providing a memory containing a first set of locked instructions for the microprocessor;
(d) receiving a first software unlocking key; and
(e) executing, with the microprocessor, the first set of locked instructions upon receipt of the first software unlocking key and upon the first software unlocking key corresponding to a first predetermined software unlocking key, wherein the first set of locked instructions are a first set of battery testing instructions. - View Dependent Claims (33, 34, 35, 36, 37)
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Specification