Method for reading, writing, or updating information for battery cell via connecting interface between portable device and battery pack including battery cell so as to obtain precise information
First Claim
1. A portable device connected to a battery pack via a connecting interface, the battery pack comprising at least one battery cell, and the portable device comprises:
- a transmitting circuit, for transmitting signals from the connecting interface to a control circuit or from the control circuit to the connecting interface; and
the control circuit, coupled to the transmitting circuit, for performing at least one control operation that is associated with the battery cell according to information for the battery cell;
wherein there is an analog communication from the battery cell of the battery pack to the portable device to provide a voltage level actually from the battery cell.
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Abstract
A method used between a portable device and a battery pack including at least one battery cell includes: transmitting information for the battery cell from the portable device to the battery pack via the connecting interface or from the battery pack to the portable device via the connecting interface; and according to the information for the battery cell, performing at least one control operation that is associated with the battery cell; wherein there is an analog communication from the battery cell of the battery pack to the portable device to provide a voltage level actually from the battery cell.
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Citations
24 Claims
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1. A portable device connected to a battery pack via a connecting interface, the battery pack comprising at least one battery cell, and the portable device comprises:
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a transmitting circuit, for transmitting signals from the connecting interface to a control circuit or from the control circuit to the connecting interface; and the control circuit, coupled to the transmitting circuit, for performing at least one control operation that is associated with the battery cell according to information for the battery cell; wherein there is an analog communication from the battery cell of the battery pack to the portable device to provide a voltage level actually from the battery cell. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A battery pack connected to a portable device via a connecting interface, comprises:
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a battery cell; and an internal circuit, coupled to the battery cell, for transmitting information for the battery cell from the battery pack to the portable device via the connecting interface; wherein the information for the battery cell comprises at least one of information actually from the battery cell and information that has been stored by the internal circuit; and
, there is an analog communication from the battery cell of the battery pack to the portable device to provide a voltage level actually from the battery cell. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. A method used between a portable device and a battery pack including at least one battery cell, comprising:
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transmitting information for the battery cell from the portable device to the battery pack via the connecting interface or from the battery pack to the portable device via the connecting interface; and according to the information for the battery cell, performing at least one control operation that is associated with the battery cell; wherein there is an analog communication from the battery cell of the battery pack to the portable device to provide a voltage level actually from the battery cell. - View Dependent Claims (23, 24)
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Specification