CIRCUIT AND OPERATING METHOD FOR INTEGRATED INTERFACE OF PDA AND WIRELESS COMMUNICATION SYSTEM
First Claim
1. A battery charging method for a device that comprises a PDA, a wireless communication system, and a power system having a battery capable of being charged via an external charging cable, the device further having an external charging circuit for charging the battery, and the wireless communication system having an internal charging circuit for charging the battery, the battery charging method comprising:
- performing current charging to the battery via the external charging circuit by using the external charging cable;
turning on the wireless communication system; and
turning on the internal charging circuit for charging after the wireless communication system is turned on.
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Accused Products
Abstract
A battery charging method for a device that has a PDA, a wireless communication system, and a power system having a battery and is charged via an external charging cable. The device further has an external charging circuit for charging the battery. The wireless communication system has an internal charging circuit for charging the battery. The battery charging method includes performing current charging to the battery via the external charging circuit by using the external charging cable; turning on the wireless communication system; and turning on the internal charging circuit for charging after the wireless communication system is turned on.
61 Citations
10 Claims
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1. A battery charging method for a device that comprises a PDA, a wireless communication system, and a power system having a battery capable of being charged via an external charging cable, the device further having an external charging circuit for charging the battery, and the wireless communication system having an internal charging circuit for charging the battery, the battery charging method comprising:
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performing current charging to the battery via the external charging circuit by using the external charging cable;
turning on the wireless communication system; and
turning on the internal charging circuit for charging after the wireless communication system is turned on. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A battery charging method for a device that comprises a PDA, a wireless communication system, and a power system having a battery and is charged via an external charging cable, the device further having an external charging circuit for charging the battery, and the wireless communication system having an internal charging circuit for charging the battery, the charging method comprising:
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performing current charging to the battery via the external charging circuit by using the external charging cable; and
performing constant-voltage charging to the battery via the internal charging circuit when a battery potential achieves a first predetermined value. - View Dependent Claims (8, 9, 10)
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Specification