# US 11,994,274 B2 · Fixtures, power and control systems for same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,994,274 B2 - Document ID: US11994274B2 - Status: Granted - Kind: B2 - Application number: 18/130,106 - Filed: 2023-04-03 - Published: 2023-07-27 - Granted: 2024-05-28 - Earliest claimed: 2020-05-11 - Assignees: Wangs Alliance Corporation - Applicants: Wangs Alliance Corporation - Inventors: Peter Vancorenland; Michael Sabolcik - Web page: https://patentgrep.com/patent/US11994274B2 ## CPC - F21V 21/14: Adjustable mountings - F21K 9/00: Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers - F21S 2/005: {of modular construction} - F21S 8/066: {from a light track (details of supporting elements displaceable along a guiding element F21V21/34)} - F21S 10/005: {using light guides (light guides specially adapted for lighting devices G02B6/0001)} - F21V 7/10: Construction - F21V 14/003: {by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements or electrochromic devices} - F21V 14/02: by movement of light sources {(in vehicle head lamps F21S41/657)} - F21V 14/06: by movement of refractors {(in vehicle head lamps F21S41/635)} - F21V 17/02: with provision for adjustment (F21V17/04 - F21V17/08 take precedence) - F21V 21/005: for several lighting devices in an end-to-end arrangement, i.e. light tracks - F21V 21/025: {Elongated bases having a U-shaped cross section} - F21V 21/04: Recessed bases - F21V 21/096: Magnetic devices - F21V 21/112: Fixing lighting devices to pendants (F21V21/002 takes precedence) - F21V 21/15: specially adapted for power operation, e.g. by remote control - F21V 21/16: using wires or cords - F21V 21/22: telescopic - F21V 21/29: employing universal joints - F21V 21/30: Pivoted housings or frames - F21V 21/35: with direct electrical contact between the supporting element and electric conductors running along the guiding element - F21V 21/38: with a cable - F21V 23/002: {Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm} - F21V 23/003: {the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array} - F21V 23/0435: {activated by remote control means} - F21V 23/06: the elements being coupling devices {, e.g. connectors} - H05B 45/10: Controlling the intensity of the light - H05B 45/20: Controlling the colour of the light - H05B 45/30: Driver circuits - H05B 47/11: by determining the brightness or colour temperature of ambient light - H05B 47/12: by detecting audible sound - H05B 47/125: by using cameras - H05B 47/13: by using passive infrared detectors - H05B 47/14: by determining electrical parameters of the light source - H05B 47/18: via data-bus transmission - H05B 47/19: via wireless transmission - B24B 41/06: Work supports, e.g. adjustable steadies (B24B37/27 takes precedence) - F21Y 2115/10: Light-emitting diodes [LED] - Y02B 20/40: Control techniques providing energy savings, e.g. smart controller or presence detection - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR - 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 - B24B: MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING (grinding of gear teeth B23F, of screw-threads B23G1/36; by electro-erosion B23H; abrasive or related blasting B24C; tools for grinding, buffing or sharpening B24D; polishing compositions C09G1/00; abrasives C09K3/14; electrolytic etching or polishing C25F3/00; grinding arrangements for use on assembled railway tracks E01B31/17); DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS - 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 - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board. The elongated board may include a non-polar power socket. ## Claims ### Claim 1 An apparatus for providing light, the apparatus comprising: a light fixture depending from a fixture support and configured to emit a beam of light; a detector that is configured to generate a signal based on detection of a target; a microprocessor that is configured to: direct the beam to the target based on a first location of the target; redirect the beam to the target when the target moves to a second location; wherein the target includes an optical emitter. ### Claim 2 (depends on 1) The apparatus of claim 1 wherein the target is configured to change from a low power mode to a high power mode upon detection of an acceleration; wherein: in the low power mode, the target consumes energy at a rate that is too low to emit a locating signal; and in the high power mode, the target consumes energy at a rate that is not too low to emit a locating signal. ### Claim 3 (depends on 1) The apparatus of claim 1 wherein the microprocessor is further configured to adjust a beam parameter of the beam so that when the target moves from the first location to the second location, a metric of the beam at the target does not change. ### Claim 4 (depends on 3) The apparatus of claim 3 wherein the beam parameter is a beam-angle spread. ### Claim 5 (depends on 1) The apparatus of claim 1 further comprising machine readable memory; wherein the microprocessor is further configured to store in the memory a reference bearing from the light fixture to the target, the reference bearing corresponding to the first location. ### Claim 6 (depends on 5) The apparatus of claim 5 wherein the microprocessor is configured to store in the memory a reference beam parameter that corresponds to the first location. ### Claim 7 (depends on 5) The apparatus of claim 5 wherein the microprocessor is configured to store in the memory a reference beam metric that corresponds to the first location. ### Claim 8 (depends on 1) The apparatus of claim 1 wherein the microprocessor is further configured to adjust a beam parameter of the beam at the second location to conform to a predetermined instruction corresponding to the second location. ### Claim 9 (depends on 8) The apparatus of claim 8 wherein the predetermined instruction is configured to conform a second-location metric of the beam to a first-location metric of the beam. ### Claim 10 (depends on 8) The apparatus of claim 8 wherein the predetermined instruction is configured to conform a second-location metric of the beam in response to an ambient wavelength-intensity spectrum at the second location. ### Claim 11 (depends on 8) The apparatus of claim 8 wherein the predetermined instruction is configured to conform a second-location beam parameter in response to an ambient wavelength-intensity spectrum at the second location. ### Claim 12 (depends on 1) The apparatus of claim 1 wherein the microprocessor is further configured to receive from a user an instruction to set a reference beam profile. ### Claim 13 (depends on 1) The apparatus of claim 1 wherein the microprocessor is further configured to receive from a user an instruction to reset a reference beam profile. ### Claim 14 (depends on 1) The apparatus of claim 1 wherein: the beam has a beam spread angle; the light fixture includes a lens that is configured to: reshape the beam in response to an electric field applied to the lens; and adjust the beam spread angle between a first value and a second value, continuously; the first value is not less than 15 degrees; and the second value is not more than 40 degrees. ### Claim 15 (depends on 1) The apparatus of claim 1 further including the target. ### Claim 16 (depends on 1) The apparatus of claim 1 further comprising, when the beam is a first beam: a second light fixture configured to emit a second beam of light; wherein the microprocessor is configured to direct the second beam to the target based on the first location. ### Claim 17 (depends on 1) The apparatus of claim 1 further comprising, when the light fixture is a first light fixture, the detector is a first detector, the beam is a first beam, the target is first target, and the signal is a first signal: a second light fixture depending from the fixture support and configured to emit a second beam of light; a second detector that is configured to generate a second signal based on detection of a second target; wherein the microprocessor is configured to direct: the first beam to the first target based on the first signal; and the second beam to a second target based on the second signal. ### Claim 18 An apparatus for providing light, the apparatus comprising: a light fixture depending from a fixture support and configured to emit a beam of light; a detector that is configured to generate a signal based on detection of a target; a microprocessor that is configured to: direct the beam to the target based on a first location of the target; redirect the beam to the target when the target moves to a second location; wherein the target includes an acoustic signal generator. ### Claim 19 (depends on 18) The apparatus of claim 18 wherein the microprocessor is further configured to adjust a beam parameter of the beam so that when the target moves from the first location to the second location, a metric of the beam at the target does not change. ### Claim 20 (depends on 19) The apparatus of claim 19 wherein the beam parameter is a beam-angle spread. ### Claim 21 (depends on 18) The apparatus of claim 18 wherein the microprocessor is further configured to adjust a beam parameter of the beam at the second location to conform to a predetermined instruction corresponding to the second location. ### Claim 22 (depends on 21) The apparatus of claim 21 wherein the predetermined instruction is configured to conform a second-location metric of the beam to a first-location metric of the beam. ### Claim 23 (depends on 18) The apparatus of claim 18 wherein: the beam has a beam spread angle; the light fixture includes a lens that is configured to: reshape the beam in response to an electric field applied to the lens; and adjust the beam spread angle between a first value and a second value, continuously; the first value is not less than 15 degrees; and the second value is not more than 40 degrees. ### Claim 24 (depends on 18) The apparatus of claim 18 further comprising, when the beam is a first beam: a second light fixture configured to emit a second beam of light; wherein the microprocessor is configured to direct the second beam to the target based on the first location. ### Claim 25 An apparatus for providing light, the apparatus comprising: a light fixture depending from a fixture support and configured to emit a beam of light; a detector that is configured to generate a signal based on detection of a target; a microprocessor that is configured to: direct the beam to the target based on a first location of the target; redirect the beam to the target when the target moves to a second location; wherein the target includes an infrared emitter. ### Claim 26 (depends on 25) The apparatus of claim 25 wherein the microprocessor is further configured to adjust a beam parameter of the beam so that when the target moves from the first location to the second location, a metric of the beam at the target does not change. ### Claim 27 (depends on 25) The apparatus of claim 25 wherein the microprocessor is further configured to adjust a beam parameter of the beam at the second location to conform to a predetermined instruction corresponding to the second location. ### Claim 28 (depends on 27) The apparatus of claim 27 wherein the predetermined instruction is configured to conform a second-location metric of the beam to a first-location metric of the beam. ### Claim 29 (depends on 25) The apparatus of claim 25 wherein: the beam has a beam spread angle; the light fixture includes a lens that is configured to: reshape the beam in response to an electric field applied to the lens; and adjust the beam spread angle between a first value and a second value, continuously; the first value is not less than 15 degrees; and the second value is not more than 40 degrees. ### Claim 30 (depends on 25) The apparatus of claim 25 further comprising, when the beam is a first beam: a second light fixture configured to emit a second beam of light; wherein the microprocessor is configured to direct the second beam to the target based on the first location.