Battery system featuring transmission of battery data from a battery pack
First Claim
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1. A battery pack charged by a charging device, comprising:
- a battery cell built-in a battery pack; and
a processing means for calculating a cumulated value of charging and discharging currents of said battery cell, transmitting the cumulated value of the charging and discharging currents to an outside of said battery pack and receiving information concerning a consumed power from an outside of said battery pack, wherein information concerning said current cumulated value and said consumed power is stored therein.
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Abstract
Necessary information is obtained without connecting a signal line between an electronic device and a charging device, so that it becomes possible to provide a highly value-added function without deteriorating convenience and portability of the charging device and the electronic device.
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Citations
13 Claims
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1. A battery pack charged by a charging device, comprising:
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a battery cell built-in a battery pack; and
a processing means for calculating a cumulated value of charging and discharging currents of said battery cell, transmitting the cumulated value of the charging and discharging currents to an outside of said battery pack and receiving information concerning a consumed power from an outside of said battery pack, wherein information concerning said current cumulated value and said consumed power is stored therein. - View Dependent Claims (2, 3, 4, 5, 6, 11, 12)
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- 7. A battery system formed of a battery pack and a charging device charging said battery pack, wherein said battery pack comprises a housing, a battery cell accommodated in said housing and a first processing means for obtaining a current cumulated value by charging and discharging of said battery cell, transmitting the current cumulated value to an outside of said housing and receiving information concerning a consumed power from the outside of the housing, said first processing means stores information concerning said current cumulated value and said consumed power, and said charging device comprises a display means, a charging circuit charging the battery cell of said battery pack, and a second processing means for receiving informations concerning said current cumulated value and said consumed power from said first processing means of said battery pack and calculating a running possible time, wherein a running possible time is displayed on said display means.
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13. A battery system comprising:
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a housed battery cell;
a display means, a charging circuit for charging a battery cell built-in a battery pack; and
a second processing means located outside of said battery pack for receiving information concerning a current cumulated value and a consumed power from a first processing means built-in the battery pack and calculating a running possible time, wherein a running possible time is displayed on said display means.
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Specification