# US 9,883,566 B1 · Control of modular lighted artificial trees > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,883,566 B1 - Document ID: US9883566B1 - Status: Granted - Kind: B1 - Application number: 14/702,224 - Filed: 2015-05-01 - Granted: 2018-01-30 - Earliest claimed: 2014-05-01 - Assignees: Willis Electric Co., Ltd. - Applicants: Willis Electric Co., Ltd. - Inventors: Johnny Chen - Web page: https://patentgrep.com/patent/US9883566B1 ## CPC - F21V 33/0028: {Decorative household equipment, e.g. plant holders or food dummies} - A47G 33/06: Artificial Christmas trees - F21S 4/10: with light sources attached to loose electric cables, e.g. Christmas tree lights - F21S 4/15: the cables forming a grid, net or web structure - F21V 23/001: {the elements being electrical wires or cables} - F21V 23/06: the elements being coupling devices {, e.g. connectors} - H05B 45/10: Controlling the intensity of the light - H05B 47/19: via wireless transmission - H05B 47/1965: {using handheld communication devices} - F21W 2121/04: for Christmas trees - 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 - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - F21W: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS ## Abstract A lighting power and control system for an artificial lighted tree. The system includes: a first primary controller including a processor; a first plurality of sub-controllers, each including a processor, each of the first plurality of sub-controllers in electrical communication with the first primary controller; and a first plurality of lighting elements, each of the first plurality of lighting elements in direct electrical communication with one of the first plurality of sub-controllers. The first primary controller controls each of the first plurality of sub-controllers, and each of the first plurality of sub-controllers selectively powers the plurality of lighting elements according to commands issued by the primary controller. ## Claims ### Claim 1 An artificial lighted tree for powering and controlling electrically powered lighting elements, comprising: a first tree section including: a first trunk portion; a first plurality of branches coupled to the first trunk portion; a first plurality of lighting elements distributed about the first plurality of branches; a first trunk electrical connector inserted at least partially into the first trunk portion and including at least three electrical terminals for conducting power, data, or both power and data; a first set of power wires in electrical connection with the at least three electrical terminals of the first trunk electrical connector; a first primary controller including a processor, the first primary controller in electrical connection with the first set of power wires and the first plurality of lighting elements, and in electrical connection with at least one of the three electrical terminals of the first trunk electrical connector; and a second tree section, including: a second trunk portion; a second plurality of branches coupled to the second trunk portion; a second plurality of lighting elements distributed about the second plurality of branches; and a second trunk electrical connector inserted at least partially into the second trunk portion and including at least three electrical terminals, the three electrical terminals configured to electrically connect to the three electrical terminals of the first trunk connector; wherein the first tree section is configured to couple to the second tree section such that the first trunk electrical connector engages the second trunk electrical connector enabling power to be transmitted from the first tree section to the second tree section, and enabling data from the primary controller to be transmitted to the second tree section, and wherein the first tree section includes a first plurality of sub-controllers, each including a processor, each of the first plurality of sub-controllers in electrical communication with the first primary controller, and configured to control at least a portion of the plurality of first lighting elements. ### Claim 2 (depends on 1) The lighted artificial tree of claim 1, wherein the primary controller is coupled to an exterior portion of the first trunk portion and the first set of power wires is at least partially inside an interior cavity of the first trunk portion. ### Claim 3 (depends on 2) The lighted artificial tree of claim 2, wherein each of the plurality of sub-controllers is located external to the first trunk portion. ### Claim 4 (depends on 1) The lighted artificial tree of claim 1, further comprising a third tree section configured to couple mechanically and electrically to the first tree section such that the first tree section is between the second tree section and the third tree section when the first, second, and third trunk portions are aligned along a common vertical axis. ### Claim 5 (depends on 4) The lighted artificial tree of claim 4, wherein the first primary controller is the only primary controller. ### Claim 6 (depends on 1) The lighted artificial tree of claim 1, further comprising a receiver in electrical communication with the primary controller and for receiving wireless control signals from an external control device. ### Claim 7 (depends on 6) The lighted artificial tree of claim 6, wherein the external control device comprises a mobile telephone. ### Claim 8 An artificial lighted tree for powering and controlling electrically powered lighting elements, comprising: a first tree section including: a first trunk portion; a first plurality of branches coupled to the first trunk portion; a first plurality of lighting elements distributed about the first plurality of branches; a first trunk electrical connector inserted at least partially into the first trunk portion and including at least four electrical terminals; a first set of power wires in electrical connection with the first trunk electrical connector; a first controller, the first controller in electrical connection with the first set of power wires and the first plurality of lighting elements, and in electrical connection with at least one of the four electrical terminals of the first trunk electrical connector; a first plurality of second controllers, each of the first plurality of second controllers in electrical connection with the first controller, and each of the first plurality of second controllers configured to control an individual light element of the first plurality of lighting elements; and a second tree section, including: a second trunk portion; a second plurality of branches coupled to the second trunk portion; a second plurality of lighting elements distributed about the second plurality of branches; a second trunk electrical connector inserted at least partially into the second trunk portion and including at least four electrical terminals, the four electrical terminals configured to electrically connect to the four electrical terminals of the first trunk connector; and a second plurality of second controllers, each of the second plurality of second controllers in electrical connection with the second trunk electrical connector, and each of the second plurality of second controllers configured to control an individual light element of the second plurality of lighting elements; and wherein the first tree section is configured to couple to the second tree section such that the first trunk electrical connector engages the second trunk electrical connector enabling power to be transmitted from the first tree section to the second tree section. ### Claim 9 (depends on 8) The lighted artificial tree of claim 8, wherein each light element of the plurality of first light elements is associated with a data address. ### Claim 10 (depends on 8) The lighted artificial tree of claim 8, further comprising a third tree section connectable to the second tree section, the third tree section including a third trunk electrical connector having four electrical terminals or fewer, but not less than two electrical terminals. ### Claim 11 (depends on 8) The lighted artificial tree of claim 8, further comprising a power cord configured to conduct alternating-current (AC) power, electrical circuitry configured to transform AC power to DC power, and an accessory power-plug assembly configured to provide AC power to an electrical accessory, the power cord in electrical connection with two terminals of the first trunk electrical connector for conducting AC power to the first and second tree sections and to the accessory power-plug assembly, the electrical circuitry in electrical connection to the first controller and providing DC power to the first controller and first plurality of lighting elements. ### Claim 12 (depends on 8) The lighted artificial tree of claim 8, wherein the primary controller is coupled to an exterior portion of the first trunk portion and the first set of power wires is at least partially inside an interior cavity of the first trunk portion. ### Claim 13 (depends on 8) The lighted artificial tree of claim 8, further comprising a third tree section configured to couple mechanically and electrically to the first tree section such that the first tree section is between the second tree section and the third tree section when the first, second, and third trunk portions are aligned along a common vertical axis. ### Claim 14 (depends on 8) The lighted artificial tree of claim 8, further comprising a receiver in electrical communication with the first controller and for receiving wireless control signals from an external control device. ### Claim 15 (depends on 8) The lighted artificial tree of claim 8, wherein the first plurality of lighting elements comprises a light element having multiple LEDs. ### Claim 16 An artificial lighted tree for powering and controlling electrically powered lighting elements, comprising: a first tree section including: a first trunk portion; a first plurality of branches coupled to the first trunk portion; a first plurality of lighting elements distributed about the first plurality of branches, each of the lighting elements associated with a data address, and each of the lighting elements including at least two light-emitting diodes (LEDs); a first trunk electrical connector inserted at least partially into the first trunk portion and including at least two electrical terminals; a first set of power wires in electrical connection with the first trunk electrical connector; a first controller, the first controller in electrical connection with the first set of power wires and the first plurality of lighting elements, and in electrical connection with at least one of the two electrical terminals of the first trunk electrical connector, the first controller configured to output an electrical signal; a first plurality of second controllers, each of the first plurality of second controllers in electrical communication with the first controller, and each of the first plurality of second controllers configured to receive the electrical signal from the first controller and selectively power the at least two LEDs of each of the light elements of the first plurality of lighting elements based on the electrical signal and the data addresses of the lighting elements; and a second tree section, including: a second trunk portion; a second plurality of branches coupled to the second trunk portion; a second plurality of lighting elements distributed about the second plurality of branches each of the lighting elements associated with a data address, and each of the lighting elements including at least two light-emitting diodes (LEDs); a second trunk electrical connector inserted at least partially into the second trunk portion and including at least two electrical terminals, the at least two electrical terminals configured to electrically connect to the at least two electrical terminals of the first trunk connector; and a second plurality of second controllers, each of the second plurality of second controllers in electrical connection with second trunk electrical connector and each of the plurality of second controllers configured to selectively power the at least two LEDs of each of the light elements of the second plurality of lighting elements based on the electrical signal output by the first controller; and wherein the first tree section is configured to couple to the second tree section such that the first trunk electrical connector engages the second trunk electrical connector enabling power and the electrical signal to be transmitted from the first tree section to the second tree section. ### Claim 17 (depends on 16) The lighted artificial tree of claim 16, wherein the first trunk electrical connector comprises four electrical terminals, and the lighted artificial tree further comprises a power cord configured to conduct alternating-current (AC) power, electrical circuitry configured to transform AC power to DC power, and an accessory power-plug assembly configured to provide AC power to an electrical accessory, the power cord in electrical connection with a first two of the four terminals of the first trunk electrical connector for conducting AC power to the first and second tree sections and to the accessory power-plug assembly, the electrical circuitry in electrical connection to the first controller and providing DC power to the first controller and first plurality of lighting elements, and the second two of the electrical terminals of the first trunk electrical connector in electrical connection with the first controller so as to transmit the electrical signal to the first trunk electrical connector. ### Claim 18 (depends on 16) The lighted artificial tree of claim 16, wherein the primary controller is coupled to an exterior portion of the first trunk portion and the first set of power wires is at least partially inside an interior cavity of the first trunk portion. ### Claim 19 (depends on 16) The lighted artificial tree of claim 16, further comprising a third tree section configured to couple mechanically and electrically to the first tree section such that the first tree section is between the second tree section and the third tree section when the first, second, and third trunk portions are aligned along a common vertical axis. ### Claim 20 (depends on 16) The lighted artificial tree of claim 16, wherein the first controller comprises a processor, housing, and a selector switch for selecting a light function of the tree.