Energy Efficient Power Adapter
First Claim
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1. An AC power adapter for providing voltage to an electrically-operated device comprising:
- a power converter module electrically coupled to a power source via at least one hot lead and at least one neutral lead, the power converter module being configured to convert voltage received from the power source to voltage suitable for use by the electrically-operated device; and
a relay circuit coupled to the hot lead to control the voltage passing from the power source to the power converter module.
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Abstract
According to one embodiment, an AC power adapter for providing voltage to an electrically-operated device includes a power converter module electrically coupled to a power source via at least one hot lead and at least one neutral lead. The power converter module is configured to convert voltage received from the power source to voltage suitable for use by the electrically-operated device. The AC power adapter also includes a relay circuit coupled to the hot lead to control the voltage passing from the power source to the power converter module.
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Citations
15 Claims
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1. An AC power adapter for providing voltage to an electrically-operated device comprising:
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a power converter module electrically coupled to a power source via at least one hot lead and at least one neutral lead, the power converter module being configured to convert voltage received from the power source to voltage suitable for use by the electrically-operated device; and a relay circuit coupled to the hot lead to control the voltage passing from the power source to the power converter module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An AC power adapter for providing voltage to an electrically-operated device comprising:
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a power converter module electrically coupled to a power source via at least one hot lead and at least one neutral lead, the power converter module being configured to convert voltage received from the power source to voltage suitable for use by the electrically-operated device; at least one device lead having a first end and a second end, the at least one device lead being coupled to the power converter module at the first end of the at least one device lead, the at least one device lead being formed into a device plug at the second end of the at least one device lead; at least one relay lead having a first end and a second end, the at least one relay lead being coupled to the relay circuit at the first end of the at least one relay lead, the at least one relay lead being formed into a relay plug at the second end of the at least one relay lead, the device plug being integral with the relay plug; and a relay circuit coupled to the hot lead to control the voltage passing from the power source to the power converter module, the relay circuit being configured to pass the voltage from the power source to the power converter module in response to the relay plug being received in at least one socket of the electrically-operated device.
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15. A system for charging an electrically-operated device comprising:
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a power source; an electrically-operated device including a battery, the battery having a charge level indicative of an electrical potential stored on the battery; a power converter module electrically coupled to the power source via at least one hot lead and at least one neutral lead, the power converter module being configured to convert voltage received from the power source to voltage suitable for use by the electrically-operated device; a relay circuit coupled to the hot lead to control the voltage passing from the power source to the power converter module; and a switch circuit coupled to the relay circuit to control an electrical current applied to the relay circuit, the relay circuit being configured to pass the voltage from the power source to the power converter in response to the electrical current, the switch circuit being configured to pass the electrical current to the relay circuit in response to the charge level of the battery.
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Specification