METHOD AND APPARATUS FOR DETECTING FULL CHARGING OF SECONDARY BATTERY
PROBLEM TO BE SOLVED: To accurately accumulate a charging current for sure detection of full charging, even when a charging current is low under a condition in which a charging current changes irregularly. SOLUTION: This method is provided with a switch 4 for on-off controlling the charging current...
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Main Author | |
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Format | Patent |
Language | English |
Published |
30.07.1999
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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Abstract | PROBLEM TO BE SOLVED: To accurately accumulate a charging current for sure detection of full charging, even when a charging current is low under a condition in which a charging current changes irregularly. SOLUTION: This method is provided with a switch 4 for on-off controlling the charging current supplied from an AC adapter 1, a current detecting resistor 7 for detect the charging current and a microcomputer 6 which properly presets a minimum accumulatable charging current and turns off the switch 4, when the charging current detected by the current detecting resistor is less than a minimum charging current and turns on again after a fixed time. When the charging current is less than the minimum charging current, accumulation of charging current is stopped. |
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AbstractList | PROBLEM TO BE SOLVED: To accurately accumulate a charging current for sure detection of full charging, even when a charging current is low under a condition in which a charging current changes irregularly. SOLUTION: This method is provided with a switch 4 for on-off controlling the charging current supplied from an AC adapter 1, a current detecting resistor 7 for detect the charging current and a microcomputer 6 which properly presets a minimum accumulatable charging current and turns off the switch 4, when the charging current detected by the current detecting resistor is less than a minimum charging current and turns on again after a fixed time. When the charging current is less than the minimum charging current, accumulation of charging current is stopped. |
Author | TOKIDA YOSHITAKA |
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Notes | Application Number: JP19980004036 |
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RelatedCompanies | NEC YONEZAWA LTD |
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Snippet | PROBLEM TO BE SOLVED: To accurately accumulate a charging current for sure detection of full charging, even when a charging current is low under a condition in... |
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SubjectTerms | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY |
Title | METHOD AND APPARATUS FOR DETECTING FULL CHARGING OF SECONDARY BATTERY |
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