US 10,119,689 B2Granted

Conformal power adapter for lighted artificial tree

AssigneeWillis Eletric Co., Ltd.

InventorJohnny Chen

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Abstract

A dual-output power adapter for a lighted artificial tree having a plurality of tree portions with light strings having lighting elements. The dual-output power adapter includes a power cord including a first power conductor and a second power conductor, the power cord configured to transmit an input electrical power; a housing configured to receive the first power conductor and a second power conductor; power-converting circuitry in electrical connection with the first power conductor and the second power conductor, the power-converting circuitry configured to convert the input electrical power to a first output electrical power; a first pair of conductors for transmitting the first output electrical power; and a second pair of conductors for transmitting a second output electrical power.

Claims20

Dependent claims

A lighted artificial tree, comprising:

a first tree portion including a first trunk portion, a first plurality of branches joined to the first trunk portion, a first wiring system, a first electrical connector having at least four conductive terminals, and a first light string having a first plurality of lighting elements on the first plurality of branches, the first wiring system electrically connected to the first electrical connector and the first light string, and the at least four conductive terminals of the first electrical connector including a first conductive terminal that is coaxial with a second conductive terminal;
a second tree portion including a second trunk portion, a second plurality of branches joined to the second trunk portion, a second wiring system, a second electrical connector having at least four conductive terminals, and a second light string having a second plurality of lighting elements on the second plurality of branches, the second wiring system electrically connected to the second electrical connector and the second light string, the second electrical connector configured to couple to the first electrical connector, and the at least four conductive terminals of the second electrical connector including a first conductive terminal that is coaxial with a second conductive terminal;
and
electronic control circuitry in electrical connection with the first wiring system and the first electrical connector, the electronic control circuitry configured to transmit control data to the first plurality of lighting elements;
a single power cord configured to connect to an external power source and receive an input power, the single power cord in electrical connection with the first wiring system or the second wiring system;
wherein the first tree portion is configured to couple to the second tree portion such that the first electrical connector of the first tree portion is in electrical connection with the second electrical connector of the second tree portion, thereby electrically connecting the first tree portion to the second tree portion such that electrical power and control data is transmitted to the second tree portion when the single power cord is connected to the external source of power.

3 more elements

A lighted artificial tree, comprising:

a first tree portion including a first trunk portion, a first plurality of branches joined to the first trunk portion, a first wiring system, a first electrical connector having at least four conductive terminals, and a first light string having a first plurality of lighting elements on the first plurality of branches, the first wiring system electrically connected to the first electrical connector and the first light string, and the at least four conductive terminals of the first electrical connector including a first conductive terminal that is coaxial with a second conductive terminal;
a second tree portion including a second trunk portion, a second plurality of branches joined to the second trunk portion, a second wiring system, a second electrical connector having at least four conductive terminals, and a second light string having a second plurality of lighting elements on the second plurality of branches, the second wiring system electrically connected to the second electrical connector and the second light string, the second electrical connector configured to couple to the first electrical connector, and the at least four conductive terminals of the second electrical connector including a first conductive terminal that is coaxial with a second conductive terminal;
and
a single power cord configured to connect to an external power source and receive an input power, the power cord in electrical connection with the first wiring system or the second wiring system;
a power adapter configured to receive the input power and output an output power;
wherein the first tree portion is configured to couple to the second tree portion such that the first electrical connector of the first tree portion is in electrical connection with the second electrical connector of the second tree portion, thereby electrically connecting the first tree portion to the second tree portion such that electrical power, including the output power, is transmitted to the second tree portion when the single power cord is connected to the external power source.

3 more elements

A lighted artificial tree, comprising:

a first tree portion including a first trunk portion, a first plurality of branches joined to the first trunk portion, a first wiring system, a first electrical connector having at least four conductive terminals, and a first light string having a first plurality of lighting elements on the first plurality of branches, the first wiring system electrically connected to the first electrical connector and the first light string, and the at least four conductive terminals of the first electrical connector including a first conductive terminal that is coaxial with a second conductive terminal;
a second tree portion including a second trunk portion, a second plurality of branches joined to the second trunk portion, a second wiring system, a second electrical connector having at least four conductive terminals, and a second light string having a second plurality of lighting elements on the second plurality of branches, the second wiring system electrically connected to the second electrical connector and the second light string, the second electrical connector configured to couple to the first electrical connector, and the at least four conductive terminals of the second electrical connector including a first conductive terminal that is coaxial with a second conductive terminal;
and
a single power cord configured to connect to an external power source and receive an input power, the power cord in electrical connection with the first wiring system or the second wiring system;
wherein the first tree portion is configured to couple to the second tree portion such that the first electrical connector of the first tree portion is in electrical connection with the second electrical connector of the second tree portion, thereby electrically connecting the first tree portion to the second tree portion such that electrical power is transmitted to the second tree portion when the single power cord is connected to the external power source, and
wherein the first conductive terminal and the second conductive terminal are electrically connected to the first wiring system and configured to transmit a first electrical power, and a third conductive terminal of the at least four conductive terminals and a fourth conductive terminal of the at least four conductive terminals is electrically configured to transmit a second electrical power.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/594,152Filed 12 May 2017 · continuation
Priority: 14 Nov 2011
Published: US 2017/0314773 A12 Nov 2017
Granted: 6 Nov 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

F21V 23/001
Arrangement of electric circuit elements in or on lighting devices: the elements being electrical wires or cables
A47G 33/06
Christmas trees: artificial Christmas trees
F21S 4/10
Lighting devices or systems using a string or strip of light sources: with light sources attached to loose electric cables, e.g. Christmas tree lights
F21V 23/007
The elements being electronics drivers or controllers for operating the light source, e.g. for a LED array: enclosed in a casing

Family

Application13/295,842Parent of this continuation-in-part · filed 14 Nov 2011
Application14/065,283Parent of this continuation · filed 28 Oct 2013
US 8,569,960 B2Parent of this continuation-in-part · filed 29 Oct 2013
Application14/851,148Parent of this continuation · filed 11 Sep 2015
US 9,157,587 B2Parent of this continuation · filed 13 Oct 2015
US 2017/0314773 A1Pre-grant publication · published 2 Nov 2017
US 9,664,362 B2Parent of this continuation
Application14/065,283Parent of this continuation-in-part
US 2013/0119893 A1Published application
US 2014/0049168 A1Published application
US 2016/0169492 A1Published application
US 10,119,689 B2This patent

From the US filing history. Foreign family members aren’t listed.

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