US Pat. No. 10,375,796

WAVEFORM SHAPING CIRCUIT FOR SPURIOUS HARMONIC SUPPRESSION

CURRENT LIGHTING SOLUTION...

1. A waveform shaping circuit for a lighting system that includes a lighting control unit and at least one luminaire, and a data concentrator unit (DCU) in wireless communication with the lighting control unit,the waveform shaping circuit external to the lighting control unit and in serial electrical communication with input terminals of the lighting control unit;
the waveform shaping circuit comprising:
a line voltage input connectable to a line voltage power source;
a line voltage output, the line voltage output connectable to an input voltage port of the lighting control unit;
a neutral line input connectable to a neutral line of the line voltage power source;
the waveform shaping circuit including an impedance matching network configured to alter an input impedance of the lighting control circuit; and
the waveform shaping circuit including a capacitive element connected from the neutral line to a protected earth ground, the capacitive element configured to bypass spurious harmonics generated by operation of the lighting control unit.

US Pat. No. 10,305,275

DATA INTERFACE WITH OVERVOLTAGE PROTECTION FOR TWO-WAY DIGITAL CONTROL BUS SYSTEM

CURRENT LIGHTING SOLUTION...

1. A data interface with overvoltage protection circuitry, the data interface comprising:a bus interface and power rectification stage configured to provide supply and return voltages for the data interface and overvoltage protection circuitry;
a first power level overvoltage protection circuit configured to provide protection from high-current overvoltages on the DALI bus;
a second power level overvoltage protection circuit configured to provide protection from overvoltage conditions caused by power main voltages present on the DALI bus;
the first power level overvoltage protection circuit in parallel connection with the second power level overvoltage protection circuit across lines for the supply and return voltage;
a digital addressable lighting interface (DALI) endpoint power output port;
a power supply for a DALI endpoint device drawing current from the power output port;
a receiver configured to receive signals on the DALI bus; and
a transmitter configured to send signals on the DALI bus.

US Pat. No. 10,485,082

METHOD OF PROTECTING AND DETECTING A SURGE EVENT IN A NODE

CURRENT LIGHTING SOLUTION...

1. A controller for use with a luminaire, comprising:a surge detection circuit configured to sense a surge in voltage or current;
a relay control circuit configured to repeatedly switch a relay in response to the surge detection circuit having sensed the surge in voltage or current;
the controller including a first circuitry configured to measure at least one electrical parameter of the surge, and a second circuitry configured to transmit the at least one electric parameter of the surge to a remote device; and
the second circuitry configured to send a signal after the surge is sensed to a direct current (DC) converter circuit to shut down an alternating current output voltage supply internal to the DC converter circuit.

US Pat. No. 10,440,798

LED LAMP AND TEMPERATURE CONTROL CIRCUIT APPLIED THERETO

CURRENT LIGHTING SOLUTION...

1. A LED lamp, comprising:at least one LED unit; a magnetic ballast, coupled to a power and configured to transfer a received first alternating current to a first direct current; and
a LED drive circuit, comprising a temperature control circuit coupled to the magnetic ballast and in parallel with the LED unit, configured to detect an internal temperature of the LED lamp and adjust an output power of the LED unit, wherein, the temperature control circuit comprises:
a thermal sensitive module, comprising a negative temperature coefficient thermistor; and
a phase cut circuit coupled to the thermal sensitive module, wherein when the internal temperature of the LED lamp detected by the thermal sensitive module is higher than a temperature threshold, a resistance of the negative temperature coefficient thermistor is decreased to adjust the output power of the LED unit, wherein the phase cut circuit is configured to cut off a portion of a half cycle of an output voltage of the LED unit when the internal temperature of the LED lamp is higher than the temperature threshold.

US Pat. No. 10,371,371

VENTILATION KIT AND RECESSED LIGHT FIXTURE ASSEMBLY WITH VENTILATION

CURRENT LIGHTING SOLUTION...

1. A ventilation kit adapted to be coupled to a recessed light fixture, the recessed light fixture having a housing and at least one edge extending from a lower portion of said housing, the ventilation kit comprising at least one supporting member, the supporting member comprising:a first portion being adapted to be coupled to the at least one edge of the recessed light fixture;
a second portion being adapted to be coupled to a grid system of a ceiling; and
at least one through hole for fluid flow,
wherein the first portion of the supporting member comprises at least one protrusion for clamping the at least one edge of the recessed light fixture through bending the at least one protrusion.

US Pat. No. 10,334,179

ASSEMBLY AND METHOD FOR GLARE ELIMINATION

CURRENT LIGHTING SOLUTION...

1. An outdoor light fixture assembly, comprising:a roadway light fixture comprising an LED light source thereon;
an image capturing device mounted with the assembly; and
a shield of opaque or diffusive material provided between the light source and a working optical surface of the image capturing device for creating a shadow;
the image capturing device being at least partially covered by a housing,
wherein the housing has a window within a field of view of the image capturing device, at least a portion of the window serving as the working optical surface of the image capturing device, and
wherein at least a portion of the window is located within a shadow of direct light from the light source.

US Pat. No. 10,443,820

PLASTIC LED FIXTURE HOUSING WITH OUTER FRAME

CURRENT LIGHTING SOLUTION...

1. A lighting apparatus comprising:a polymeric housing enclosing electrical and optical components of a lighting fixture, the polymeric housing comprising a plastic upper housing and a plastic cover plate including a peripheral sidewall that matingly cooperates with the upper housing to provide a cavity for housing the electrical and optical components therein,
wherein the optical components comprise a plurality of optical lenses, wherein the plurality of optical lenses comprise at least one optical lens configured to distribute light emitted from a solid state light source in a predetermined pattern; and
an outer frame matingly fit on top of the upper housing of the polymeric housing, the outer frame including a coupler to mechanically attach the lighting apparatus to another device, wherein the outer frame is constructed of at least one of metal, a metal alloy, and a composite material,
the outer frame further comprising a central spine bridging and connecting opposing sides of the upper housing in a lengthwise fashion.

US Pat. No. 10,436,424

LINEAR LIGHT FIXTURE INTERCONNECT WITH ANTI-SNAKING FEATURE

CURRENT LIGHTING SOLUTION...

1. A light fixture, comprising:an end portion including a mechanism configured to lock the light fixture via the end portion to another end portion disposed at one extremity of another light fixture;
the mechanism including a lever configured to lock the light fixture with the other end portion;
the lever including a first portion having a first thickness that engages a receiving component on the light fixture, and a second portion having a second thickness that engages the other end portion, the lever rotatable perpendicular to its central axis;
wherein a rotation of the lever causes the receiving portion and the other end to move in opposite longitudinal directions.

US Pat. No. 10,400,961

DOUBLE-SIDED LED LIGHTING DEVICE

CURRENT LIGHTING SOLUTION...

1. A lighting device, comprising:an elongated support member comprising first and second sides;
first and second printed circuit boards (PCBs) coupled to the first and second sides of the elongated support member, respectively, wherein the first and second sides of the elongated support member are opposite to each other;
at least one first light emitting diode (LED) mounted on the first PCB;
at least one second LED mounted on the second PCB; and
at least one lens element, the at least one lens element comprising more than one lens, the lens element mounted on the first or second PCB at a location such that each lens of the lens element substantially surrounds a respective one of the LEDs.

US Pat. No. 10,393,329

LIGHT FIXTURE MECHANICAL INTERCONNECT WITH ROTATIVE JOINING

CURRENT LIGHTING SOLUTION...

1. A light fixture, comprising:a mechanism for attaching the light fixture to another light fixture,
wherein the mechanism includes a set of retractable hooks configured to mate with an end of the other light fixture to attach the light fixture to the other light fixture;
wherein the set of retractable hooks is configured to temporarily position the light fixture in a vertical position with respect to the other light fixture, and wherein the mechanism is further configured to allow the light fixture to rotate to a horizontal position from the vertical position.

US Pat. No. 10,380,430

USER INTERFACES FOR PARKING ZONE CREATION

Current Lighting Solution...

1. A system comprising:one or more processor of a machine;
a data store storing a plurality of parking zone data objects;
a machine-readable medium storing instructions that, when executed by the one or more processors, cause the machine to perform operations comprising:
displaying a parking zone creation user interface on a client device communicatively coupled to the machine, the parking zone creation user interface including data input elements for receiving information describing a parking zone including at least one parking space;
receiving, via the parking zone creation user interface, location data identifying a geospatial area on a geospatial map;
creating a new parking zone data object corresponding to the geospatial area identified on the geospatial map, the new parking zone data object including the location data;
receiving, via the parking zone creation interface, a parking policy defining one or more parking rules associated with the newly created parking zone;
modifying the newly created parking zone data object to include the parking policy; and
persisting the newly created parking zone data object to the data store.

US Pat. No. 10,447,071

BACKUP POWER SOURCE ASSEMBLY, LAMP ASSEMBLY, LIGHTING SYSTEM AND INSTALLING METHOD THEREOF

CURRENT LIGHTING SOLUTION...

1. A lighting assembly, comprising:a lighting element for providing with light source;
a driving element, connecting with a backup power source assembly, for controlling the backup power source to provide power source to the lighting element;
at least one electrical connector configured to connect with the first driving element so as to form a quick connection between the driving element and a backup power source assembly;
a mounting base having a pre-drilled hole for allowing a testing switch to pass through therein.

US Pat. No. 10,429,046

LIGHTING DEVICE

CURRENT LIGHTING SOLUTION...

1. A lighting device, comprising:a housing with one or more first housing spaces and one or more second housing spaces therein;
one or more first lighting modules arranged inside the one or more first housing spaces respectively; and
one or more first auxiliary functional modules arranged inside the one or more second housing spaces respectively, wherein one or more of the first auxiliary functional modules comprise a communication module, a sensor module or a camera module;
wherein each of the one or more first lighting modules and the one or more first auxiliary functional modules are configured as modules of the same size and configured to be able to be mounted in the respective housing space in the same mounting manner.

US Pat. No. 10,415,777

LIGHTING APPARATUS AND METHOD OF MAKING THEREOF

Current Lighting Solution...

1. A lighting apparatus, comprising:a transparent portion comprising a first surface, a second surface and an edge connected to the first surface and the second surface, the edge comprising an inner surface with a preset shape; and
a light source fixed so that the inner surface receives light emitted by the light source through the transparent portion and reflects it to at least one of the first surface and the second surface;wherein the preset shape of the inner surface comprises:a V-shape wherein the inner surface comprises a first reflective surface and a second reflective surface and one side of the first reflective surface is connected with one side of the second reflective surface to form a V: shape, either depressing toward the direction of the light source or protruding outwardly from the direction of the light source.

US Pat. No. 10,415,802

LINEAR LIGHTING FIXTURE CONNECTION

CURRENT LIGHTING SOLUTION...

1. A linear lighting fixture abutment mechanism comprising:a first portion mounted on a longitudinal wall of a first lighting fixture housing, the first portion including a first structure, the first lighting fixture housing including a lateral edge;
a second portion mounted on a longitudinal wall of a second lighting fixture housing, the second portion including a second structure, the second lighting fixture housing including a lateral edge;
the first portion and the second portion located at a position proximate to the lateral edge of respective first and second lighting fixture housings;
the first structure and the second structure configured to interlock together to retain the lateral edges of the first and the second lighting fixture housings in rigid proximity; and
the abutment mechanism configured to generate opposing longitudinal forces on the first and the second lighting fixture housings, the opposing longitudinal forces generated by a force that is at least one of movement along a lateral axis of the first or the second lighting fixture housings and a movement about the lateral axis.

US Pat. No. 10,408,394

LED RETROFIT LIGHTING APPARATUS FOR A LIGHT FIXTURE

CURRENT LIGHTING SOLUTION...

1. A light-emitting diode retrofit lighting apparatus for an existing light fixture comprising more than one lamp holders, the apparatus comprising:a base portion to be mounted to the light fixture;
a light-emitting diode mounting part connected with the base portion and including LED lighting sources mounted thereon;
an adjustment portion secured to the base portion and configured to adjust the apparatus in a vertical direction;
at least one sliding mechanism mounted on and configured to slide along the adjustment portion to adjust the apparatus in a horizontal direction relative to the more than one lamp holders;
the at least one sliding mechanism is received within the adjustment portion, and configured to perform width adjustment relative to the more than one lamp holders;
the at least one sliding mechanism including:
a plurality of rib portions configured to engage with teeth portions of the adjustment portion;
a plurality of locking hook portions to overlap and hook to side surfaces of the adjustment portion to secure the at least one sliding mechanism to the adjustment portion; and
a spring part configured to be compressed and uncompressed to adjust the at least one sliding mechanism horizontally along the teeth portions of the adjustment portion based on a compression state thereof.

US Pat. No. 10,402,958

SYSTEMS AND METHODS FOR WINDOW CONTAMINATION DETECTION

CURRENT LIGHTING SOLUTION...

1. A system comprising:an imaging system including a housing having a window;
an imaging device within the housing having a field of view that contains at least a portion of the window;
a dark-field illuminator source located in a dark-field region within the housing, the dark-field illuminator source directed at that portion of the window within the field of view;
a control processor in communication with the imaging device and configured to execute instructions that cause the imaging device to acquire a first series of images with the dark-field illuminator source not activated;
the control processor configured to control activation of the dark-field illuminator source;
the imaging device configured to capture additional images during acquisition of the first series of images, the additional images captured during periods when the dark-field illuminator source is activated; the system further including:
an image diagnostic unit configured to compare at least one image of the first series of images with at least one of the additional images;
the image diagnostic unit configured to determine a quality factor quantifying a degradation in image quality based on the comparison.

US Pat. No. 10,488,069

GENERATION OF COORDINATED CONTROL COMMANDS FOR GROUPINGS OF HEATING/VENTILATION/COOLING THERMOSTATS

CURRENT LIGHTING SOLUTION...

1. A method of generating control commands to coordinate roof top unit (RTU) operation across a segment of a building, the method comprising:a server (120) selecting a first segment (106, 108) from a plurality of building segments, each building segment being a volumetric portion of the building, and the server located remote from the building;
accessing a first model algorithm (134) corresponding to the first segment;
training the first model by applying at least one of historical data (133), segment layout records (138), and heating/ventilation/cooling (HVC) configuration (136), the segment layout data, and the HVC configuration each containing data corresponding to the first segment;
pushing the trained first model to a wireless area controller edge device (114), the wireless area controller edge device being in communication with one or more thermostats positioned in the first segment;
optimizing the trained first model using aggregated monitored data, the monitored data provided by sensors (110, 112) distributed in the first segment;
generating control commands to coordinate the operation of the one or more thermostats (110) in the first segment;
providing the generated control commands to the one or more thermostats in the first segment;
receiving monitored data (139) from first segment sensors;
aggregating the received monitored data; and
the wireless area controller edge device performing at least one of an optimization and an update to the first model with the aggregated received data.

US Pat. No. 10,488,021

LIGHTING SYSTEM WITH MODULAR HEAT MANAGEMENT APPARATUS

CURRENT LIGHTING SOLUTION...

1. A modular heat management apparatus for an outdoor lighting system, the system including a plurality of lighting elements, the modular heat management apparatus comprising:a housing comprising:
an interface portion disposed at a top surface of the housing;
an attachable heat sink to be disposed and mounted onto the interface portion, wherein the interface portion is formed of a thermal conductive material higher in thermal conductivity than that of the housing, and
configured to dissipate heat generated by the outdoor lighting system; and
a fixing element configured to attach the attachable heat sink to the interface portion and to apply contact pressure thereto.