Abstract: A multiple location load control system comprises a main device and remote devices, which do not require neutral connections, but allow for visual and audible feedback at the main device and the remote devices. The main device and the remote devices are adapted to be coupled together via an accessory wiring. The main device can be wired on the line side and the load side of the load control system. The main device is configured to enable a charging path to allow the remote devices to charge power supplies through the accessory wiring during a first time period of a half cycle of the AC power source. The main device and the remote devices are configured to communicate with each other via the accessory wiring during a second time period of the half cycle, for example, by actively pulling-up and actively pulling-down the accessory wiring to communicate using tri-state logic.

Abstract: Watch bands with multiple light tubes, each light having a light fiber and at least one light-emitting diode for providing light to each light tube. The light-emitting diode may produce a wide color gamut for the light fiber to produce light in each light tube. Each light-emitting diode may produce a different color and light intensity different from the other light tubes in the watch band. The light tubes doubles as the structure for attaching a watch body to a user's wrist and as a carrier of light to add variety and style to the watch band. The watch band may have a variety of different attachment mechanisms for attaching and securing the watch body to the user's wrist.

Abstract: A networked lighting control system includes a variety of lighting control devices, including intelligent luminaires, standalone intelligent control nodes, plug load controllers, and power packs that communicate over a wireless control network and a commissioning network. Each lighting control device includes a dual-band wireless radio communication interface system. The dual-band wireless radio communication interface system is configured for unicast and multicast communication over a first of two different wireless communication bands as well as point-to-point communication over a second wireless communication band. The standalone intelligence control node can be a wall switch or detector. Commissioning and provisioning of the lighting control system is performed over the second communication band via communications with a mobile device and lighting controls are carried out over the first communication band. The lighting control devices may be divided into light control groups or zones.

Abstract: A method is presented for producing light using a liquid media. The method includes: hosting nanoparticles in a liquid media; disposing a pair of electrodes in direct contact with the liquid media; and generating an excitation signal between the electrodes in the pair of electrodes, thereby illuminating a portion of the nanoparticles.

Abstract: A two-way load control system comprises a power device, such as a load control device for controlling an electrical load receiving power from an AC power source, and a controller adapted to be coupled in series between the source and the power device. The load control system may be installed without requiring any additional wires to be run, and is easily configured without the need for a computer or an advanced commissioning procedure. The power device receives both power and communication over two wires. The controller generates a phase-control voltage and transmits a forward digital message to the power device by encoding digital information in timing edges of the phase-control voltage. The power device transmits a reverse digital message to the controller via the power wiring.

Abstract: A daylighting device includes a photo-voltaic (PV) device that is mounted in or proximate to the daylighting device that provides sunlight to a service area. The PV device generates a power signal from incident sunlight. The power signal provides operational power to circuitry associated with the daylighting device, such as a transmitter that transmits a value representing the intensity of light on or near the daylighting device. This signal, which is generated either from the power signal or from a signal provided by a photosensor mounted in or proximate to the daylighting device, may be used by a control system to adjust light levels provided by artificial light sources to supplement the sunlight provided by the daylighting device to approach the desired light level in the service area.

Abstract: A constant voltage and current synchronic output power supply and a television are disclosed. The constant voltage and current synchronic output power supply comprises a transformer for supplying power to LED loads, a conversion circuit for converting an inputted AC power supply to a DC square wave power supply that is provided to the transformer, a PWM control circuit for driving the transformer, a constant voltage control circuit and a constant current control circuit, the transformer comprises a constant voltage output winding and a constant current output winding, wherein the constant voltage control circuit is configured for sampling voltages outputted by the constant voltage output winding then transferring the sampled voltages into the corresponding signals that are feedbacked to the PWM control circuit, to perform constant voltage control on the output voltage of the transformer.

Abstract: A sensing module detachably connectable to a light body includes a sensing unit and a connecting module. The sensing unit has at least one sensor, a control circuit and at least one parameter adjusting element. The sensor and the parameter adjusting element are electrically coupled to the control circuit, and the sensing module is electrically coupled and mechanically mounting to the light body via the connecting module. The sensing module further includes a socket allowing a light source to be connected to the sensing module. The sensing module can also include a light source. The user can manipulate the illumination characteristic through the sensing module.

Abstract: An elementary device of the present disclosure includes a coaxial applicator that includes a connector disposed at a distal end of the applicator, a shielding, a microwave energy propagation medium disposed between a central core and the shielding, and an insulating body disposed at a proximal end of the applicator. The shielding surrounds the central core and has a bottom wall provided at the distal end. The connector includes an external conductor connected to the shielding and an internal conductor connected to the central core. The connector is disposed at the bottom wall with the external conductor fixed to the bottom wall and the internal conductor linked to a connecting element that extends through the bottom wall and parallel to the main axis with a predefined spacing provided between the central core and a free end connected to the central core at a predefined distance from the bottom wall.

Abstract: Certain embodiments described herein are directed to induction devices that can be used to sustain a plasma. In certain configurations, the induction device may comprise one or more radial fins electrically coupled to a base. The induction device may take numerous forms including, for example, coils and plate electrodes.

Abstract: A device for controlling a lighting means is provided, which comprises at least one communication means, configured to receive first data and transmit second data via at least one wireless communication network and to at least partially forward the first data. The at least partially forwarded first data comprise third data. The device also comprises at least one security means, configured to at least partially decrypt the third data and to at least partially encrypt fourth data. The second data are at least partially based on the at least partially encrypted fourth data. The device also comprises at least one signal processing means, configured to control a lighting means connected to the device at least partially depending on the at least partially encrypted third data, to at least partially generate and/or to receive the fourth data, and to forward the received and/or generated fourth data.

Abstract: An AC-driven LED lighting apparatus includes: a triac dimmer to generate a modulated AC voltage by modulating a phase of AC power according to a selected level of dimming; a rectifying circuit to generate drive voltage by full-wave-rectifying the AC voltage having the phase modulated by the triac dimmer; a dimming level detector to detect a dimming level according to the drive voltage; a phase cut reference setting unit for setting a phase cut reference value; and a LED driving module for constant-current-controlling a plurality of LED groups by comparing the detected dimming level with the phase cut reference value, wherein the light emitting element driving module comprises a LED current blocking unit for blocking a drive current supplied to the plurality of LED groups when the dimming level is lower than the phase cut reference value.

Abstract: In various embodiments, an optoelectronic component device is provided. The optoelectronic component device may include a linear regulator designed for providing an electric current; an optoelectronic component formed for converting the electric current into an electromagnetic radiation; and an electrothermal transducer designed for converting the electric current into a temperature difference. The electrothermal transducer is thermally coupled to the optoelectronic component, and the optoelectronic component and the electrothermal transducer are electrically coupled in series with the linear regulator.

Abstract: A lighting system includes: a lighting apparatus including a first human detection sensor unit that detects a person in a first detection area, and a light source that turns ON when the first human detection sensor unit detects the person; and a support apparatus including (i) a second human detection sensor unit that detects a person in a second detection area, and (ii) an emission unit that emits, when the second human detection sensor unit detects the person, infrared rays to cause the first human detection sensor unit to react as if the person is present in the first detection area.

Abstract: Systems and methods related to lighting fixtures for solid-state light sources are disclosed. In one embodiment, a lighting fixture includes a driver module and a communications module. The driver module is configured to execute driver program code, which causes the driver module to generate a drive output that drives one or more solid-state light sources. To provide updates, the communications module is configured to receive updated driver program code from a remote device and send the updated driver program code to the driver module. The driver module is configured to erase the driver program code and write the updated driver program code received from the communications module to memory. In this manner, updates can be provided to the lighting fixture without having to remove the lighting fixture from a support structure.

Abstract: A system for managing emergency lighting is generally described. In particular, the present disclosure relates to self-tests and predictive life expectancy operations of emergency lighting systems. Further, the present disclosure relates to an automated system and method for performing self-tests and predicting emergency lighting fixture life expectancy. In the exemplary embodiments, emergency lighting system tests may be automatically scheduled, carried out, and evaluated.

Abstract: A method (3600) and system (2800, 2900, 3000, 3100) autonomously create a restore point for a luminaire controller (2810, 3110) and restore it to proper operation when required. The luminaire controller operates by using first operating software having a first software image, and receives a second software image of second operating software. The luminaire controller communicates the first software image to a first device (2820, 3120) connected to the luminaire controller via a communication network (2805, 3105), installs the second operating software, and performs a self test of the luminaire controller. If the luminaire controller fails the self test, the luminaire controller requests via the network that the first device transfer the first software image to the luminaire controller via the network, receives the first software image, installs the first operating software, and reverts to operation with the first operating software.

Abstract: A method is presented for producing light using a liquid media. The method includes: hosting nanoparticles in a liquid media; disposing a pair of electrodes in direct contact with the liquid media; and generating an excitation signal between the electrodes in the pair of electrodes, thereby illuminating a portion of the nanoparticles.

Abstract: A networked lighting control system includes a variety of lighting control devices, including intelligent luminaires, standalone intelligent control nodes, plug load controllers, and power packs that communicate over a wireless control network and a commissioning network. Each lighting control device includes a dual-band wireless radio communication interface system. The dual-band wireless radio communication interface system is configured for unicast and multicast communication over a first of two different wireless communication bands as well as point-to-point communication over a second wireless communication band. The standalone intelligence control node can be a wall switch or detector. Commissioning and provisioning of the lighting control system is performed over the second communication band via communications with a mobile device and lighting controls are carried out over the first communication band. The lighting control devices may be divided into light control groups or zones.

Abstract: This application relates to systems, methods, and apparatus for controlling a switching frequency of a boost or flyback converter to be above an audible frequency range when operating the boost or flyback converter in a pulse frequency modulation (PFM) mode. The boost or flyback converter uses one or more switches for converting power for a display panel. In order to boost the switching frequency when operating in the PFM mode, the boost or flyback converter can selectively implement certain current and/or voltage limits for pulses that are generated as a result of the switching. The current and/or voltage limits can be set according to a load of the boost or flyback converter, and a correspondence between the current and/or voltage limits and the loads can be stored in a lookup table accessible to the boost or flyback converter.