# US 10,119,689 B2 · Conformal power adapter for lighted artificial tree > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,119,689 B2 - Document ID: US10119689B2 - Status: Granted - Kind: B2 - Application number: 15/594,152 - Filed: 2017-05-12 - Published: 2017-11-02 - Granted: 2018-11-06 - Earliest claimed: 2011-11-14 - Assignees: Willis Eletric Co., Ltd. - Applicants: Willis Electric Co., Ltd. - Inventors: Johnny Chen - Web page: https://patentgrep.com/patent/US10119689B2 ## CPC - F21V 23/001: {the elements being electrical wires or cables} - A47G 33/06: Artificial Christmas trees - F21S 4/10: with light sources attached to loose electric cables, e.g. Christmas tree lights - F21V 23/007: {enclosed in a casing} - F21V 23/02: the elements being transformers, impedances {or power supply units, e.g. a transformer with a rectifier} - F21Y 2115/10: Light-emitting diodes [LED] - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - A47G: HOUSEHOLD OR TABLE EQUIPMENT (book-ends A47B5/00; knives B26B) - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## 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. ## Claims ### Claim 1 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. ### Claim 2 (depends on 1) The lighted artificial tree of claim 1, further comprising a power receptacle comprising two electrical receiver portions for receiving conductive terminals of a power plug, the receiver portions not in receipt of conductive terminals of a power plug of the first light string nor the second light string, nor another string of lights that is on any branches of the tree. ### Claim 3 (depends on 1) The lighted artificial tree of claim 1, further comprising a power receptacle comprising two electrical receiver portions for receiving conductive terminals of a power plug, the power plug configured to be grasped by an end user of the lighted artificial tree. ### Claim 4 (depends on 3) The lighted artificial tree of claim 3, wherein the power receptacle is electrically connected to the first wiring system and the single power cord so as to receive the input power when the single power cord is connected to the external power source. ### Claim 5 (depends on 4) The lighted artificial tree of claim 4, further comprising a power adapter electrically connected to the single power cord and configured to output a direct-current output power, and wherein the first light string is electrically connected to the power adapter so as to receive the direct-current output power when the single power cord is connected to the external power source. ### Claim 6 (depends on 1) The lighted artificial tree of claim 1, wherein the electronic control circuitry includes a processor and is configured to cause the first plurality of lighting elements to control a color of the first plurality of lighting elements, and the first plurality of lighting elements is capable of emitting light having a first color or a second color. ### Claim 7 (depends on 1) The lighted artificial tree of claim 1, wherein the first plurality of lighting elements includes a first group of lighting elements and a second group of lighting elements, and the electronic control circuitry is configured to selectively power the first group of lighting elements and the second group of lighting elements such that one of the first group and the second group of lighting elements is powered off and the other of the first and the second group of lighting elements is powered on. ### Claim 8 (depends on 1) The lighted artificial tree of claim 1, wherein the first electrical connector includes more than four conductive terminals. ### Claim 9 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. ### Claim 10 (depends on 9) The lighted artificial tree of claim 9, further comprising a power receptacle comprising two electrical receiver portions for receiving conductive terminals of a power plug, the receiver portions not in receipt of conductive terminals of a power plug of the first light string nor the second light string, nor another string of lights that is on the branches of the tree. ### Claim 11 (depends on 9) The lighted artificial tree of claim 9, further comprising a power receptacle comprising two electrical receiver portions for receiving conductive terminals of a power plug, the power plug configured to be grasped by an end user of the lighted artificial tree. ### Claim 12 (depends on 9) The lighted artificial tree of claim 9, wherein the power receptacle is electrically connected to the first wiring system and the single power cord so as to receive the input power when the single power cord is connected to the external power source. ### Claim 13 (depends on 9) The lighted artificial tree of claim 9, wherein the input power is an alternating-current power, the output power is a direct-current (DC) power, and the first conductive terminal and the second conductive terminal receive the DC 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 receives the AC power. ### Claim 14 (depends on 13) The lighted artificial tree of claim 13, further comprising a power receptacle comprising two electrical receiver portions for receiving conductive terminals of a power plug, the receiver portions not in receipt of conductive terminals of a power plug of the first light string nor the second light string, nor another string of lights that is on any branches of the tree. ### Claim 15 (depends on 9) The lighted artificial tree of claim 9, further comprising electronic control circuitry that is configured to cause the first plurality of lighting elements to control a color of the first plurality of lighting elements, and the first plurality of lighting elements is capable of emitting light having a first color or a second color. ### Claim 16 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. ### Claim 17 (depends on 16) The lighted artificial tree of claim 16, wherein the first electrical power is a direct-current power and the second electrical power is an alternating-current power. ### Claim 18 (depends on 16) The lighted artificial tree of claim 16, wherein one or both of the first electrical power and the second electrical power include control data. ### Claim 19 (depends on 16) The lighted artificial tree of claim 16, further comprising a power receptacle comprising two electrical receiver portions for receiving conductive terminals of a power plug, the receiver portions not in receipt of conductive terminals of a power plug of the first light string nor the second light string, nor another string of lights that is on the branches of the tree. ### Claim 20 (depends on 16) The lighted artificial tree of claim 16, wherein the first electrical connector includes more than four conductive terminals.