BATTERY CHARACTERIZATION TECHNIQUE ACCOUNTING FOR OFFSET ERROR
First Claim
1. A power supply for an electronic device, said power supply comprising:
- a rechargeable battery source configured for cyclical charging and discharging by said electronic device;
a measuring circuit configured to measure one or more parametric data of the rechargeable battery source during said charging and discharging;
an isolation circuit configured to electrically isolate said rechargeable battery source from said electronic device; and
a testing circuit configured to test said measuring circuit for offset error during said isolation of said rechargeable battery from said electronic device.
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Accused Products
Abstract
The present invention provides a system and method for operating a rechargeable battery, the system comprising: current maintaining device for maintaining a predetermined current to the rechargeable battery until the rechargeable battery reaches a predetermined maximum voltage; voltage maintaining device for maintaining a predetermined voltage to the rechargeable battery until a predetermined minimum current is delivered to the rechargeable battery; determining device for determining a cyclical charge value delivered to the rechargeable battery by the current maintaining device and the voltage maintaining device during a cycle; and a correction device for correcting the determining device when charge is not being delivered to the rechargeable battery, on the basis of the charge value.
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Citations
20 Claims
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1. A power supply for an electronic device, said power supply comprising:
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a rechargeable battery source configured for cyclical charging and discharging by said electronic device; a measuring circuit configured to measure one or more parametric data of the rechargeable battery source during said charging and discharging; an isolation circuit configured to electrically isolate said rechargeable battery source from said electronic device; and a testing circuit configured to test said measuring circuit for offset error during said isolation of said rechargeable battery from said electronic device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A prosthetic hearing implant system comprising:
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a rechargeable battery source configured to be cyclically charged and discharged; and a battery charger comprising; a measuring circuit configured to measure one or more parametric data of the rechargeable battery while the rechargeable battery is cyclically charged and discharged; a disconnection circuit configured to isolate current flow from said rechargeable battery to a load; and testing circuit configured to test said measuring circuit for offset error while said current flow is isolated from said load. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A battery charger comprising:
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a measuring circuit configured to measure one or more parametric data of a rechargeable battery while the rechargeable battery is cyclically charged and discharged; a testing circuit configured to test said measuring circuit for offset error; and a current flow control circuit configured to reduce and/or eliminate current flow from said rechargeable battery to a load, wherein said testing circuit is enabled during said isolation of said rechargeable battery from said load. - View Dependent Claims (18, 19, 20)
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Specification