METHOD OF ESTIMATING REMAINING CONSTANT CURRENT/CONSTANT VOLTAGE CHARGING TIME
First Claim
1. A method, comprising:
- detecting an availability of a charger adapter;
determining whether a battery charging point is in a constant current phase or in a constant voltage phase, based on pre-determined battery charging characteristics, wherein the pre-determined battery charging characteristics comprise constant current phase charging characteristics and constant voltage phase charging characteristics;
calculating a time remaining to charge in the constant current phase based on the constant current phase charging characteristics, if the battery charging point is in the constant current phase; and
calculating a time remaining to charge in the constant voltage phase based on the constant voltage phase charging characteristics, if the battery charging point is in the constant voltage phase.
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Accused Products
Abstract
Method, apparatus, and computer program product embodiments are disclosed for estimating the remaining charging time of a rechargeable battery. An example embodiment of the invention comprises a method comprising the steps of determining if the battery charging point is in a constant current phase or in a constant voltage phase; if the battery charging point is in the constant current phase, calculating a time remaining to charge in the constant current phase based on the constant current phase charging characteristics and a time remaining to charge in the constant voltage phase based on the constant voltage phase charging characteristics; and if the battery charging point is in the constant voltage phase, calculating a time remaining to charge in the constant voltage phase based on the constant voltage phase charging characteristics.
11 Citations
20 Claims
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1. A method, comprising:
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detecting an availability of a charger adapter; determining whether a battery charging point is in a constant current phase or in a constant voltage phase, based on pre-determined battery charging characteristics, wherein the pre-determined battery charging characteristics comprise constant current phase charging characteristics and constant voltage phase charging characteristics; calculating a time remaining to charge in the constant current phase based on the constant current phase charging characteristics, if the battery charging point is in the constant current phase; and calculating a time remaining to charge in the constant voltage phase based on the constant voltage phase charging characteristics, if the battery charging point is in the constant voltage phase. - View Dependent Claims (2, 3, 4, 5, 6, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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7. A computer readable medium, comprising program instructions, which when executed by a computer processor, perform:
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detecting an availability of a charger adapter; determining whether a battery charging point is in a constant current phase or in a constant voltage phase, based on pre-determined battery charging characteristics, wherein the pre-determined battery charging characteristics comprise constant current phase charging characteristics and constant voltage phase charging characteristics; calculating a time remaining to charge in the constant current phase based on the constant current phase charging characteristics, if the battery charging point is in the constant current phase; and calculating a time remaining to charge in the constant voltage phase based on the constant voltage phase charging characteristics, if the battery charging point is in the constant voltage phase.
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8. An apparatus, comprising:
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at least one processor; at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the processor at least to; detect an availability of a charger adapter; determine whether a battery charging point is in a constant current phase or in a constant voltage phase, based on pre-determined battery charging characteristics, wherein the pre-determined battery charging characteristics comprise constant current phase charging characteristics and constant voltage phase charging characteristics; calculate a time remaining to charge in the constant current phase based on the constant current phase charging characteristics, if the battery charging point is in the constant current phase; and calculate a time remaining to charge in the constant voltage phase based on the constant voltage phase charging characteristics, if the battery charging point is in the constant voltage phase. - View Dependent Claims (9, 10, 11)
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Specification