Boots – shoes – and leggings
Patent
1993-06-08
1994-02-15
Cosimano, Edward R.
Boots, shoes, and leggings
320 48, 364483, G01R 19165, G06F 1520
Patent
active
052872866
ABSTRACT:
There is provided a low-battery detection reference voltage table for memorizing the correspondence between current values and low-battery detection reference voltage values, which is obtained from battery voltage characteristic curves corresponding to different current values. Further, there is provided a low-battery reference voltage correction table for correcting the low-battery detection reference voltage in accordance with a voltage variation. Referring to the low-battery detection reference voltage table on the basis of the value of current output from the battery, the low-battery detection reference voltage corresponding to the current value is obtained. The voltage variation is found from the currently measured battery voltage and the previously measured battery voltage which is memorized. On the basis of the voltage variation, the correction voltage is found with reference to the low-battery reference voltage correction table. The found correction voltage is added to the low-battery reference voltage, thereby correcting the low-battery reference voltage. When the measured battery voltage is lower than the corrected low-battery detection reference voltage, the low-battery stated is determined.
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Cosimano Edward R.
Kabushiki Kaisha Toshiba
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