METHOD AND APPARATUS FOR SELECTING THE OUTPUT OF PROGRAMMABLE POWER ADAPTER
First Claim
1. A method of programming an output of a programmable power adapter, comprising:
- sending a signal to a device;
checking the level of the signal in the programmable power adapter; and
determining an output voltage of the programmable power adapter in accordance with the level of the signal;
wherein a resistor installed in the device is coupled to the signal to determine the level of the signal;
the output voltage of the programmable power adapter is coupled to the device to provide a power for a load of the device.
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Accused Products
Abstract
An apparatus of programming an output of a programmable power adapter according to the present invention comprises a control circuit. The method according to the present invention sends a signal to a device. A resistor is coupled to the signal to determine the level of the signal. The resistor is installed in the device. The method according to the present invention checks the level of the signal in the programmable power adapter and determines an output voltage of the programmable power adapter in accordance with the level of the signal. The output voltage of the programmable power adapter is coupled to the device to provide a power for a load of the device.
11 Citations
18 Claims
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1. A method of programming an output of a programmable power adapter, comprising:
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sending a signal to a device; checking the level of the signal in the programmable power adapter; and determining an output voltage of the programmable power adapter in accordance with the level of the signal; wherein a resistor installed in the device is coupled to the signal to determine the level of the signal;
the output voltage of the programmable power adapter is coupled to the device to provide a power for a load of the device. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of programming an output of a power adapter, comprising:
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sending a signal to a device; checking the level of the signal in the power adapter; and determining an output voltage of the power adapter in accordance with the level of the signal; wherein a voltage-clamp device installed in the device is coupled to the signal to determine the level of the signal;
the output voltage of the power adapter is coupled to the device to provide a power for a load of the device. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. An apparatus of programming an output of a programmable power adapter, comprising:
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a control circuit sending a signal to a device, in which the device is coupled to the signal to determine the level of the signal, the control circuit checks the level of the signal for determining an output voltage of the programmable power adapter in accordance with the level of the signal; wherein an identification circuit installed in the device is coupled to the signal to determine the level of the signal;
the output voltage of the programmable power adapter is coupled to the device to provide a power for a load of the device. - View Dependent Claims (15)
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16. A programmable power adapter, comprising:
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a control circuit sending a signal to a device, in which the device is coupled to the signal to determine the level of the signal, the control circuit checks the level of the signal; and a programmable power supply circuit generating an output voltage of the programmable power adapter and determining the output voltage in accordance with the level of the signal. - View Dependent Claims (17, 18)
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Specification