Portable battery charger for a mobile device
First Claim
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1. A portable battery charger for a mobile device having a rechargeable battery, comprising:
- battery contacts configured to receive a battery having a low-voltage value;
a switching regulator coupled to the battery contacts and configured to draw the low-voltage value from the battery and convert the low-voltage value to a charger output; and
a charger interface configured to electrically engage the mobile device and further configured to couple the charger output from the switching regulator to the rechargeable battery in the mobile device.
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Abstract
A portable battery charger for a mobile device having a rechargeable battery includes battery contacts, a switching regulator, and a charger interface. The battery contacts are configured to receive a battery having a low-voltage value. The switching regulator is coupled to the battery contacts and configured to draw the low-voltage value from the battery and convert the low-voltage value to a charger output. The charger interface is configured to electrically engage the mobile device and is further configured to couple the charger output from the switching regulator to the rechargeable battery in the mobile device.
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Citations
16 Claims
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1. A portable battery charger for a mobile device having a rechargeable battery, comprising:
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battery contacts configured to receive a battery having a low-voltage value;
a switching regulator coupled to the battery contacts and configured to draw the low-voltage value from the battery and convert the low-voltage value to a charger output; and
a charger interface configured to electrically engage the mobile device and further configured to couple the charger output from the switching regulator to the rechargeable battery in the mobile device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for charging a rechargeable battery in a mobile device from a portable battery charger, comprising the steps of:
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receiving a low voltage value from a battery;
converting the low-voltage value to a charger output; and
coupling the charger output to the rechargeable battery in the mobile device.
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Specification