Power adator having power-saving circuit
First Claim
1. A power adaptor for converting an input current into an output current and providing the output current to a device, comprising:
- a converter including;
input ports for receiving the input current therethrough; and
output ports for flowing the output current therethrough; and
switching means coupled to the input ports and operative to control a flow of the input current;
wherein the switching means are adapted to be connected to and operated by the device such that the input current flows only when the device is coupled to the power adaptor.
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Abstract
A power adaptor for converting AC/DC current to DC current and providing the converted DC current to a portable device. The power adaptor includes a converter and switching means. The converter includes input ports for receiving the input current therethrough and output ports for flowing the output current therethrough. The switching means are coupled to the input ports and operative to control the flow of the input current. The switching means are adapted to be connected to and operated by the portable device such that the input current flows only when the portable device is coupled to the power adaptor.
26 Citations
8 Claims
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1. A power adaptor for converting an input current into an output current and providing the output current to a device, comprising:
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a converter including; input ports for receiving the input current therethrough; and output ports for flowing the output current therethrough; and switching means coupled to the input ports and operative to control a flow of the input current; wherein the switching means are adapted to be connected to and operated by the device such that the input current flows only when the device is coupled to the power adaptor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification