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US 9,312,707 B2Granted
Portable compact multiple-outlet power supply with circuit for supplying device-specific charging profiles to mobile telephones
AssigneeS P Technologies LLC
InventorsBrian Stewart, Scott Weaver
Life of this patent
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Abstract
An apparatus for providing electrical power, including an electrically non-conductive generally cube-shaped housing, an electrical power supply operationally connected and positioned in the housing, a first plurality of power outlets electrically connected to power supply for connecting three-prong plugs, a second plurality of power outlets for connecting male USB connectors, and a power cord operationally connected to the power.
Claims3
A device for conveniently charging multiple electronic devices atop a table or countertop, comprising in combination:
- a generally cube-shaped electrically non-conducting housing;
- a power supply, wherein the power supply functions as an AC step transformer and as a rectifier to supply a DC voltage;
- a circuit board electrically connected to the power supply;
- at least one USB circuit operationally connected to the circuit board;
- at least one USB outlet, wherein each respective at least one USB outlet is electrically connected to a respective at least one USB circuit;
- a plurality of three-prong power outlets electrically connected to the power supply;
- wherein the at least one USB circuit further comprises:
- a voltage source;
- a first node electrically connected to the voltage source;
- a second node;
- a first resistor electrically connected to the first node and to the second node;
- a third node electrically connected to ground;
- a second resistor electrically connected to the second node and to the third node;
- a fourth node;
- a third resistor electrically connected to the third node and to the fourth node;
- a first test point electrically connected to the fourth node;
- a fourth resistor electrically connected to the first node and to the fourth node;
- a second test point electrically connected to the second node;
- a USB connector defining the at least one USB outlet and having a first pin, a second pin, a third pin, a fourth pin, a fifth pin and a sixth pin;
- wherein the first pin is electrically connected to the voltage source;
- wherein the second pin is electrically connected to the fourth node;
- wherein the third pin is electrically connected to the second node;
- wherein the fourth, the fifth and the sixth pins are electrically connected to ground;
- wherein the voltage source is a 5V DC output from the power supply;
- and
- wherein a USB male connector is engagable with the at least one USB outlet to receive power therefrom.
23 more elements
An apparatus for providing electrical power, the apparatus comprising:
- an electrically non-conductive generally cube-shaped housing consisting of a base and cover;
- an electrical power supply operationally connected and positioned in the housing;
- a circuit board positioned within the housing and connected to the power supply;
- a first plurality of power outlets electrically connected to the power supply for connecting three-prong plugs;
- a second plurality of power outlets for connecting male USB connectors;
- a power cord operationally connected to the power supply and containing a distal end for engaging a wall outlet to conduct electricity to the power supply and supplies DC power to second plurality of power outlets;
- wherein the power cord has a proximal end and wherein the power supply has a connector for receiving the proximal end in electric communication;
- wherein the generally cube-shaped housing consisting of a base and cover is around 4.5 inches by about 2.75 inches;
- wherein the power supply functions as a transformer and rectifier for converting AC input to lower voltage DC output;
- wherein the circuit board is operationally connected to the power supply to receive transformed and rectified power;
- wherein the circuit board further comprises at least one USB power circuit;
- and
- wherein the at least one USB power circuit further comprises:
- a voltage source;
- a first node electrically connected to the voltage source;
- a second node;
- a first resistor electrically connected to the first node and to the second node;
- a third node electrically connected to ground;
- a second resistor electrically connected to the second node and to the third node;
- a fourth node;
- a third resistor electrically connected to the third node and to the fourth node;
- a first test point electrically connected to fourth node;
- a fourth resistor electrically connected to the first node and to the fourth node;
- a second test point electrically connected to the second node;
- a USB connector having a first pin, a second pin, a third pin, a fourth pin, a fifth pin and a sixth pin;
- wherein the first pin is electrically connected to the voltage source;
- wherein the second pin is electrically connected to the fourth node;
- wherein the third pin is electrically connected to the second node;
- wherein the fourth, the fifth and the sixth pins are electrically connected to ground;
- wherein the voltage source is a 5V DC output from the power supply;
- and
- wherein USB male connectors are engagable with the USB connector to receive power therefrom.
29 more elements
Dependencies are inferred from the claim text.