Portable telecommunications device
First Claim
Patent Images
1. A portable telecommunications device comprising:
- a charging interface for connection to an external power supply;
a voltage and current ratio converter configured to convert an input voltage and current at the charging interface into an output voltage and current for charging a battery;
a controller comprising a processor and one or more analog-to-digital converters configured to monitor the input voltage and current, wherein the controller is configured to control the voltage and current ratio converter so that the output current for charging the battery is higher than the input current at the charging interface;
the controller further comprising a power supply adjuster for adjusting the intake power from the external power supply by adjusting properties of the external power supply, the power supply adjuster being configured to adjust the properties of the external power supply by signaling on the power line by one or more of the following;
analog modulation, digital data modulation, current modulation, added or subtracted voltage modulation, load interrupt sequencing, RF, magnetic field variation or inductions.
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Abstract
A portable telecommunications device comprises a charging interface for connection to an external power supply, a voltage and current ratio converter configured to convert an input voltage at the charging interface into an output voltage for charging a battery; and a controller configured to control the converter.
22 Citations
21 Claims
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1. A portable telecommunications device comprising:
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a charging interface for connection to an external power supply; a voltage and current ratio converter configured to convert an input voltage and current at the charging interface into an output voltage and current for charging a battery; a controller comprising a processor and one or more analog-to-digital converters configured to monitor the input voltage and current, wherein the controller is configured to control the voltage and current ratio converter so that the output current for charging the battery is higher than the input current at the charging interface; the controller further comprising a power supply adjuster for adjusting the intake power from the external power supply by adjusting properties of the external power supply, the power supply adjuster being configured to adjust the properties of the external power supply by signaling on the power line by one or more of the following;
analog modulation, digital data modulation, current modulation, added or subtracted voltage modulation, load interrupt sequencing, RF, magnetic field variation or inductions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method comprising:
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providing an input voltage and current from a power supply to a charging interface of a portable telecommunications device; monitoring the input voltage and current using a processor and one or more analog-to-digital converters; converting the input voltage and current at the charging interface into an output voltage and current for charging a battery according to a conversion ratio; controlling the conversion ratio, wherein controlling the conversion ratio comprises controlling the conversion ratio so that the output current for charging the battery is higher than the input current to the charging interface; and adjusting an intake power from the external power supply by adjusting properties of the external power supply by signaling on the power line by analog modulation, digital data modulation, current modulation, added or subtracted voltage modulation, load interrupt sequencing, RF, magnetic field variations or inductions. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A portable telecommunications device comprising:
a charging interface for connection to an external power supply; a voltage and current ratio converter configured to convert an input voltage and current at the charging interface into an output voltage and current for charging a battery; a controller configured to control the voltage and current ratio converter, wherein the controller is configured to control the converter so that the output current for charging the battery is higher than the input current at the charging interface; and the controller further comprising a power supply adjuster for adjusting the output voltage of the external power supply, by signaling on a power line to the external power supply, so as to adjust the intake power from the external power supply, the power supply adjuster being configured to signal on the power line by one or more of the following ;
analog modulation, digital data modulation, current modulation, added or subtracted voltage modulation, load interrupt sequencing, RF, magnetic field variations or inductions.
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21. A portable telecommunications device comprising:
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a charging interface for connection to an external power supply; a voltage and current ratio converter configured to convert an input voltage and current at the charging interface into an output voltage and current for charging a battery; a controller configured to monitor at least the input current at the charging interface and the output voltage for charging the battery and configured to control the voltage and current ratio converter so that the input current does not exceed a maximum input current that can be handled by the charging interface and so that the output voltage for charging the battery is maintained at a level corresponding to a fixed charging voltage for the battery, while controlling the converter so that the output current for charging the battery is higher than the input current at the charging interface to increase the charging power to the battery, wherein the controller further comprises a power supply adjuster configured to adjust properties of an external power supply by signaling on a power line by one or more of the following;
analog modulation, digital data modulation, current modulation, added or subtracted voltage modulation, load interrupt sequencing, RF, magnetic field variation or inductions.
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Specification