METHODS AND APPARATUS FOR SIMULTANEOUSLY CHARGING MULTIPLE RECHARGEABLE BATTERIES
First Claim
Patent Images
1. A charger comprising:
- a single current source;
two or more separate charging ports;
a current allocator to allocate charging currents from the single current source to the two or more ports; and
a controller to determine the charging currents so that two or more rechargeable batteries coupled respectively to the two or more ports will be fully charged at substantially the same time.
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Abstract
A charger has two or more separate charging ports to which two or more rechargeable batteries can be coupled, respectively. Current from a single current source is allocated to the two or more separate charging ports so that the two or more rechargeable batteries will be fully charged at substantially the same time.
23 Citations
24 Claims
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1. A charger comprising:
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a single current source;
two or more separate charging ports;
a current allocator to allocate charging currents from the single current source to the two or more ports; and
a controller to determine the charging currents so that two or more rechargeable batteries coupled respectively to the two or more ports will be fully charged at substantially the same time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of charging two or more rechargeable batteries from a single current source by use of two or more separate charging ports, the batteries being coupled to different respective charging ports, the method comprising:
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determining relative amounts of charge required to fully charge the two or more rechargeable batteries; and
allocating charging currents from the single current source to the two or more separate charging ports so that the two or more rechargeable batteries will be fully charged at substantially the same time. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification