Abstract: A method and apparatus for transmitting a random access response are described. The method includes a node of a first type sending indication information of a random access response of a node of a third type through a downlink channel, wherein the indication information includes at least one of indication information of a set to which the node of the third type belongs, and resource position indication information of the random access response of the node of the third type, wherein the node of the third type is node of a second type in one or more sets P(j), 0?j?J?1, and J is a positive integer equal to or greater than 1.

Abstract: A first information handling system functioning as a smart vehicle gateway comprising a wireless adapter to communicate with a wireless link, wherein at least one wireless link is a multi-hop wireless link to a tethered second information handling system, a storage device to store a spatial-temporal user profile comprising wireless device usage trend data for a plurality of locations where the smart vehicle gateway has operated, a positional detector to detect a location of the smart vehicle gateway, where the application processor determines an available peer-to-peer wireless protocol link operating at the tethered second information handling system to establish a multi-hop wireless link and the application processor determines a list of optimal available wireless protocols at the location based on a mobile wireless traffic report with a spatial-temporal radio frequency profile indicating signal quality for a plurality of wireless links and based the wireless device usage trend data of the smart vehicle gate

Abstract: Provided are a method and an apparatus for managing a mobile hotspot. The method includes: a mobile hotspot device a mobile terminal establishing a first connection, herein the first connection is used as a control channel for remote control message interaction between the mobile hotspot device and the mobile terminal; the mobile terminal sending a remote control request message by using the first connection; and the mobile hotspot device receiving the remote control request message through the first connection, making a response to the remote control request message and performing corresponding turning-on and turning-off processing to the mobile hotspot device according to the remote control request message.

Abstract: A method, system and device for implementing hybrid networking and a computer storage medium, herein the method includes: a femto cell sending an IP type to which the femto cell belongs to a femto cell gateway (601); the femto cell gateway acquiring the IP type to which the femto cell belongs, and acquiring IPV4 addresses and/or IPV6 addresses sent by an MME (602); the femto cell gateway sending an IP address matched with the IP type to which the femto cell belongs to the femto cell (603); and the femto cell acquiring the IP address sent by the femto cell gateway, and setting up a service bearer according to the IP address (604).

Abstract: A user apparatus is provided which communicates with a base station in a mobile communication system which supports LTE. The user apparatus includes a bearer establishing unit configured to establish one or more radio bearers between the user apparatus and the base station; a control unit configured to control activation and deactivation of each of the established radio bearers based on an instruction from the base station; and a communication unit configured to transmit and receive data to and from the base station by using the activated radio bearers.

Abstract: A vehicular communication apparatus includes a connector establishing connection with an external instrument, a wireless communicator performing wireless communication when a contract enabling the wireless communication is established, and an electronic control unit. The electronic control unit is capable of operating a failsafe function executing a reset when detecting an unestablished connection between the external instrument and the connector after startup and capable of operating a reset guard function when detecting that the vehicular communication apparatus starts while the contract enabling the wireless communication is unestablished.

Abstract: A reception unit receives a connection request from each of a plurality of pieces of request-side wireless apparatus. A reception unit also receives found information that is from each of a plurality of pieces of request-side wireless apparatus and that regards one or more pieces of admission-side wireless apparatus that have been found via search by request-side wireless apparatus. An admitter admits connection for one of a plurality of pieces of request-side wireless apparatus with respect to a connection request received at a reception unit. At that time, an admitter performs selection based on found information received at a reception unit.

Abstract: Aspects and embodiments relate to a wireless communication network control node method, a wireless communication network control node and computer program product operable to perform that method. The wireless communication network control node method comprises: receiving an indication that a user equipment operating within the network intends to make a direct transmission to at least one other user equipment in the network; determining resource to be allocated to the user equipment for the direct transmission; and transmitting an indication of the resource to be allocated to the at least one other user equipment in the network. It will be appreciated that aspects and embodiments may provide a method to optimize user equipment power consumption when operating in a device-to-device communication mode. The methods described may provide a means to improve device power consumption, whether that device is operating in single or multiple D2D spectrum regions.

Abstract: A network node method, a network node, a user equipment method, user equipment and computer program products are disclosed. The user equipment method of supporting device-to-device communication within a wireless telecommunications network, comprises: determining a capability of a cell supporting the user equipment to operate with simultaneous device-to-device and cellular communication; and responsive to the determining, selecting a device-to-device communication scheme based on a device-to-device communication capability of the user equipment. In this way, an optimized communication scheme used by the user equipment and network can be selected to best match the capabilities of the user equipment and the base station supporting the cell. This enables the appropriate device-to-device communication scheme to be used for a range of different scenarios.

Abstract: A communication method, a communication system, a wireless terminal, and a wireless control method are provided that make it possible to share information between terminals without forming a group. In a communication method in a wireless communication network including a plurality of terminals (N1 to N3), a first terminal (N1) and a second terminal(N2 or N3) that belong to different groups, or do not belong to a group, can embed arbitrary information in a control frame (101) that is sent and received to search for a terminal or another group in vicinity, and notification information (MSG) of one of the terminals is notified to the other terminal by using the control frame.

Abstract: A user equipment method, user equipment, a network node method, a network node and computer program products are disclosed. The user equipment method for device-to-device communication comprises: upon requiring to perform device-to-device communication with user equipment from a plurality of groups, transmitting a scheduling announcement for each of the plurality of groups, each scheduling announcement identifying resources within which data intended for user equipment belonging to each group is to be transmitted. In this way, the user equipment can be perform device-to-device communications with different groups at the same time. In particular, the user equipment can choose the target groups that it wants to provide the device-to-device data to and is able to perform simultaneous transmissions of that data to those multiple groups.

Abstract: UE (100) supports WLAN communication and WWAN communication. The WWAN communication includes WWAN direct communication which is inter-terminal direct communication in conformity to a WWAN communication standard. The UE (100) applies the WLAN communication to a user plane while applying the WWAN direct communication to a control plane. The UE (100) transmits and receives a control signal through the WWAN direct communication.

Abstract: A mobile communication system comprises a first user terminal having a scheduling function of assigning a radio resource used for the D2D communication. When the scheduling function is enabled, the first user terminal broadcasts periodically or aperiodically a message including identification information indicating that the first user terminal is a scheduling terminal that performs the assignment of the radio resource.

Abstract: Method and device for network connection download are provided. The method includes: creating, by a terminal device, at least one backup pre-allocated connection; and before a pre-allocated connection is used, performing a corresponding network initialization operation to allow the terminal device, while downloading a file, to select the pre-allocated connection needed for downloading the file directly from the at least one backup pre-allocated connection, thereby obviating the need to re-perform the corresponding network initialization operation.

Abstract: A first off-network mission critical (ONMC) wireless device discovers ONMC wireless devices employing a proximity services discovery procedure. First media traffic is transmitted employing a first mission critical session to a third ONMC wireless device. A message comprising an organization field identifier and an organization identifier is received from a second ONMC wireless device. A call priority is determined, at least in part, based on the organization field identifier and the organization identifier. Transmission of the first media traffic terminates, based at least on the call priority. Transmission of second media traffic to the second ONMC wireless device employing a second mission critical session may be started.

Abstract: The present invention discloses a state transition method, user equipment, and a radio network controller. The user equipment includes: a receiving unit, configured to receive state transition indication information and information about a target RRC state that are sent by a radio network controller (RNC), where the state transition indication information is used for instructing the user equipment to perform enhanced state transition; and a transition unit, configured to enable the user equipment to transit from a current RRC state to the target RRC state according to the state transition indication information.

Abstract: Systems and methods disclosed herein describe a centralized-processing cloud-based RAN (C-RAN or cloud-RAN) architecture that offers reduced front-haul data-rate requirements compared to common-public-radio-interface (CPRI) based C-RAN architectures. Base-band physical-layer processing can be divided between a BBU Pool and an enhanced RRH (eRRH). A frequency-domain compression approach that exploits LTE signal redundancy and user scheduling information can be used at the eRRH to significantly reduce front-haul data-rate requirements. Uniform scalar quantization and variable-rate Huffman coding in the frequency-domain can be applied in a compression approach based on the user scheduling information wherein a lossy compression is followed by a lossless compression.

Abstract: Methods and systems for controlling an SDN-based multi-RAT communication network. Embodiments herein disclose a wireless communication system, which can support/enable services that are currently being provided by multiple wireless communication systems. Embodiments herein disclose a wireless communication system based on SDN (Software Defined Networking). Embodiments herein disclose a network comprising of a generic control plane node. Embodiments herein disclose a method for communication between the proposed wireless communication system and existing UEs that are in use in today's 3GPP-LTE networks or IEEE 802.11 based WLANs without any changes in the mobile communication protocol. Embodiments herein disclose a method for providing services to the users, such as handover of a device from WLAN to 3GPP-LTE and vice versa.

Abstract: An apparatus and method for melting snow and/or ice on a vehicle comprises a precipitation sensor, a surface temperature sensor, an ambient temperature sensor, a heater, and a programmable controller. The programmable controller comprises a memory unit to store a cut off surface temperature Tc, and a set of program modules. The programmable controller further comprises a processor to execute the set of program modules. A heater control module, executed by the processor, is configured to deactivate a heater based on a surface temperature being greater than the cut off surface temperature. Further, heater control module is configured to activate the heater based on an ambient temperature being lower than freezing point of water and precipitation being present outside the vehicle, thereby melting snow and/or ice on the vehicle. The snow melts off because of heat generated by the heater upon activation.

Abstract: According to one aspect, a wax warmer includes a body to support a reservoir adapted to receive a wax melt. The wax warmer also includes a heater having a first heating state to heat the wax melt from a first temperature below a melting point of the wax melt to a second temperature above the melting point of the wax melt in a predetermined amount of time. The heater has a second heating state to substantially maintain the wax melt within a temperature range above the melting point of the wax melt.

Abstract: A modular heater system includes a plurality of modular units aligned along a longitudinal direction of a fluid conduit for heating a fluid contained in the fluid conduit. The modular units each include a carrier member, a heating element mounted on the carrier member and a thermal insulation jacket surrounding the carrier member and the heating element. The carrier member defines a receiving space for receiving the fluid conduit therein and includes side slots recessed from outer surfaces of the carrier member. The thermal insulation jacket includes an upper half portion and a lower half portion. The upper half portion and the lower half portion are self-locked in the side slots of the carrier member.

Abstract: The invention relates to a heating module comprising a resistive heating element placed in a frame. The heating module constitutes a ready heating subassembly for heating a gas or a liquid, in particular for heating the air. The heating element is mounted to the frame by means of the at least two contacts arranged at opposite side walls of the heating element, wherein each contact comprises at least two brackets releasably coupled to a side wall, and at least one resilient element connected to the brackets and to at least one catch releasably coupled to the frame, wherein each resilient element, arranged in contact with a side wall of the heat ing element, is tensioned and exerts an expanding force acting on the connection of the contact with the frame and the heating element.

Abstract: The present disclosure is directed to a method for forming a cured composite component. The method includes laying one or more layers of uncured composite material onto a conductive core. An electric current is supplied to the conductive core to resistively heat the one or more layers of uncured composite material to a temperature sufficient to cure the one or more layers of uncured composite material into the cured composite component.

Abstract: The invention relates to the field of electric heating, and more particularly to flexible heating elements. A flexible resistive heating element comprises a heat-resistant fabric base and a current-conducting resistive layer that is based on a resistive carbon composite material applied in the form of a colloidal suspension to the heat-resistant fabric base. The resistive carbon composite material contains carbon black with a highly developed specific surface area of not less than 300-600 m2/g and a particle size of from 10 to 50 nm in combination with colloidal graphite preparations with a graphite particle size of less than 4 ?m, and a heatresistant polymer binder solution. Polyethylene terephthalate or lavsan is used as the heat-resistant fabric base. The invention makes it possible to improve the performance characteristics of a flexible resistive heating element, namely the reliability, efficiency and manufacturability both of the resistive element itself and of flexible electric heaters based thereon.

Abstract: An aircraft heated floor panel includes a first face sheet, a second face sheet opposite the first face sheet, and core with an electrically conductive core portion. The electrically conductive core portion supports the first face sheet and the second face sheet, and is electrically insulated from the external environment to receive electrical power, resistively generate heat, and communicate heat to the first face sheet.

Abstract: A heater cable, which may particularly be a self-regulating heater cable, has a heating element including two bus wires spaced a distance apart by a positive temperature coefficient (PTC) material, giving the heating element a major axis and a minor axis. Bending the heater cable transverse to the major axis gives a tighter bend radius than bending the heater cable transverse to the minor axis. To facilitate bending in multiple directions, the heating element is twisted around the longitudinal axis of the heater cable. The twisting may be done uniformly to give the bus wires a helical configuration, which reduces electromagnetic interference and facilitates heater cable diameters as small as 0.25 inches. Additional layers, such as polymer jackets and a braided metal ground plane layer, may be added over the heating element. Each of these layers may be twisted or untwisted in various implementations.

Abstract: A sliding window assembly, a cable drive system and methods of operating the same, are disclosed. The sliding window assembly includes a guide track and a sliding window movable relative to the guide track. A heating element is coupled to the sliding window for heating the sliding window. A drum of a drive assembly rotates and includes a conductive terminal connected to a power supply of the vehicle. A cable is coupled between the sliding window and heating element and the drum. The drum rotates to mechanically wind or unwind the cable for moving the sliding window. A conductive element is coupled to at least one of the drum and the cable and is electrically connected to the cable and is movable during movement of the sliding window. The conductive element contacts the conductive terminal to provide electrical current to the cable for energizing the heating element.

Abstract: A rear slider window assembly for a vehicle includes a movable window panel that is movable along channels of a fixed window panel via guide pins. A first guide pin moves along a first channel, which as a slot established therealong and therethrough. An electrical connector electrically connects electrical terminals at the fixed window panel to electrical terminals at the movable window panel, and includes a pin follower that extends through the slot of the first channel to electrically connect to a flexible cable connected to terminals at the fixed window panel and to electrical terminals at the movable window panel. The lower rail may include a water drainage element including (i) a hole established through the lower rail and (ii) a drainage receiving conduit attached at the fixed window panel beneath the hole of the lower rail and spaced from the lower rail.

Abstract: This application relates to a heating unit and a method for manufacturing the same. The heating unit according to an exemplary embodiment of this application includes a substrate, a transmittance adjusting layer which is provided on the substrate and includes one or more selected from a group consisting of Ni, Cr, Mo, Pt, and Ti; and a conductive heating pattern provided on the transmittance adjusting layer.

Abstract: The handheld, self contained, air cooled induction heater includes an input connector for engaging an A.C. power source, a rectifier to convert A.C. to D.C., an inverter which converts the D.C. to A.C. operating at substantially higher frequency than the A.C. power line frequency, a high frequency step-down transformer having magnetic cores, wherein at least a primary winding is split into two substantially equal parts, each part being wound around one of two legs of the transformer magnetic core, and a secondary winding being connected to heat dissipating terminals capable of functional engagement to at least one work coil. Further according to the invention there is provided a transformer for the induction heater having a primary and secondary wound around both legs magnetic core so that leakage inductance is reduced and power output increased compared to the primary and secondary windings of the same number of turns all wound on one leg of the same shaped magnetic core.

Abstract: The invention relates to an induction hob comprising at least one switching element and at least one induction coil (3), the switching element providing an alternating current flow through said induction coil (3) and cooling means (4) providing an airflow through the induction hob for cooling said switching element and said induction coil (3). The induction coil (3) is arranged at a first side (5.1) of a first plate-shaped support element (5) and the switching element is arranged at a first side (6.1) of a second plate-shaped support element (6), wherein the first support element (5) and the second support element (6) are connected to one another and arranged at a distance (d) in order to form an air channel (7) between the first and second support element (5, 6) and wherein the cooling means (4) are arranged such that an airflow is provided through said air channel (7).

Abstract: Drivers (1-7) comprise respective switching circuits (1, 2) for guiding respective current signals during respective time-intervals for the sequential driving of light emitting circuits (91, 92). The respective time-intervals are defined by the fact that amplitudes of a mains signal are in respective ranges during the respective time-intervals. More specifically, there is a bypass switching circuit (5) for guiding a bypass current signal which bypasses all light emitting circuit (91, 92) during an initial time-interval. An adaptation circuit (6, 7) adapts amplitudes of the respective current signals during the respective time-intervals, to reduce a total harmonic distortion. Said adapting may comprise an adaptation in response to information derived from the amplitude of the mains signal, and may comprise shaping the amplitudes of the current signals in response to information derived from the amplitude of the mains signal.

Abstract: An LED device for use with an AC voltage power source configured such that at least one LED emits light during a positive phase of power provided from an AC power supply and at least one LED emits light during the negative phase of power provided from an AC power supply. The LED device includes a first power connection lead and a second power connection lead, both leads capable of being connected to and receiving power from an AC power supply.

Abstract: A lighting device includes a rectifier circuit, a driver circuit and a shunt circuit. The driver circuit is configured to apply respective voltage components contained in a pulsating voltage from the rectifier circuit every period of the pulsating voltage across part and all of solid light sources in response to the pulsating voltage and respective ON voltages of light source circuits including the part and all of the solid light sources. The shunt circuit is electrically connected in parallel with a light source circuit having a lowest ON voltage of the light source circuits, and configured to set a value of an output current from the rectifier circuit to a value proportional to a value of the pulsating voltage while the pulsating voltage is less than the lowest ON voltage.

Abstract: An operating circuit for energizing a lamp (5) comprising at least one light emitting diode (6) has a primary side (11) and a secondary side (12) that is electrically isolated from the primary side. The operating circuit comprises a clocked converter (14) that has a primary coil and a secondary coil (18). The operating circuit further comprises a detection device (20) for determining an output voltage (Vout) of the operating circuit; the detection device (20) comprises an inductor (21) which is located on the primary side (11) of the operating circuit and which is inductively coupled to the secondary coil (18).

Abstract: A ballast circuit suitable for driving an LED or similar load, comprises a primary switch mode converter, means for measuring a modulation, such as a phase cut, as used for dimming light levels, on an input AC supply, a current regulator positioned in series with the load, and a feedback controller for controlling operation of the switch mode controller based upon measured modulation levels. The feedback controller is adapted to interrupt normal switching of the switch mode converter if modulation levels detected lead to the ballast working at a lower than desired efficiency (deep dimming), or if voltage levels across the current regulator are higher than desired. The feedback controller may have a further feedback means for controlling switch mode parameters during lower levels of modulation (shallow dimming). The circuit allows large dimming levels to be achieved without generating appreciable light flicker in the load.

Abstract: Provided are a three-phase AC/DC converter disposed between a three-phase AC power supply and a light emitting diode group, the converter including a three-phase full bridge circuit in which pairs of switching elements are connected in parallel between DC buses for the three phases of the three-phase AC power supply; reactors connecting connection portions between the switching elements and corresponding phases of the three-phase AC power supply; a smoothing capacitor on the output side of the three-phase full bridge circuit; a DC voltage detection means; a power supply voltage phase detection means; and a pulse width modulation means for outputting pulse width modulation signals of the switching elements, wherein the pulse width modulation means outputs the pulse width modulation signals based on a power supply voltage phase and an output voltage between the DC buses.

Abstract: A load control device for controlling the amount of power delivered to an electrical load (e.g., an LED light source) includes first and second semiconductor switches, a transformer, a capacitor, a controller, and a current sense circuit operable to receive a sense voltage representative of a primary current conducting through to a primary winding of the transformer. The primary winding is coupled in series with a semiconductor switch, while a secondary winding is adapted to be operatively coupled to the load. The capacitor is electrically coupled between the junction of the first and second semiconductor switches and the primary winding. The current sense circuit receives a sense voltage and averages the sense voltage when the first semiconductor switch is conductive, so as to generate a load current control signal that is representative of a real component of a load current conducted through the load.

Abstract: A multichannel constant current LED controlling circuit can include: (i) a control loop configured to generate a first control signal in accordance with a current feedback signal that represents a driving current flowing through an LED load, where the LED load comprises a plurality of LED strings coupled in series; (ii) a loop steady state network comprising a plurality of steady state holding components configured to hold a plurality of steady state control signals that correspond to a plurality of load states of the LED load, where when a state of the LED load varies, at least one of the steady state holding components is selected by the control loop to generate the first control signal; and (iii) a power switching transistor of a power stage circuit configured to generate a pseudo-constant output current to drive the LED load.

Abstract: A light-emitting element driving device includes a reset signal generation unit that generates a reset signal in accordance with current flowing in a light-emitting element, a set signal generation unit that generates a set signal in accordance with the anode voltage of the light-emitting element, and an output voltage supply unit that generates an output voltage from an input voltage in accordance with the reset signal and the set signal, so as to supply the output voltage to the light-emitting element. The set signal generation unit includes a current generation unit that generates current according to the anode voltage of the light-emitting element, a charging unit that charges the current generated by the current generation unit, and a comparator that generates the set signal in accordance with a comparison result between a charging voltage of the charging unit and a reference voltage.

Abstract: A detection resistor is arranged on a path of an LED string. A controller generates a gate pulse signal having a duty ratio adjusted such that the voltage drop at the detection resistor matches a predetermined reference voltage. Furthermore, the controller receives a dimming control signal which indicates the duty ratio of the burst dimming operation, and generates a corresponding burst dimming pulse. According to the gate pulse signal, the first driver drives an output circuit configured to generate a driving voltage. A second driver switches a path of a driving current between connection and disconnection according to the burst dimming pulse. A duty ratio detection unit controls the frequency of the gate pulse signal according to the duty ratio indicated by the dimming control signal.

Abstract: A load control device for an electrical load may operate in a normal mode and a burst mode to adjust the amount of power delivered to the electrical load. The load control device may comprise a control circuit that operates in the normal mode to regulate an average magnitude of a load current conducted through the load between a maximum rated current and a minimum rated current. During the normal mode, the control circuit may control the operating period of a load regulation circuit between a high-end operating period and a low-end operating period. The control circuit may operate in the burst mode to regulate the average magnitude of the load current below the minimum rated current. During the burst mode, the control circuit may adjust the low-end operating period to be less than or equal to a minimum on time of the load regulation circuit.

Abstract: Embodiments are included for providing an energy efficient lighting system that includes one or several luminaires. According to certain aspects, when an area covered by the luminaires is vacant, the light level in the area is measured while the luminaires are on and set to a low dim level. The measured light level is used to approximate the amount of natural light in the area and when the measured light level exceeds a predetermined nonzero light level, the luminaires are turned off for a certain time period. Once the time period expires, the light level is measured again to approximate the amount of natural light present in the area.

Abstract: The current subject matter relates to a lighting device that can be installed in an already existing fixture in a structure. The lighting device can include a light emitting diode (LED) lighting segment and a fluorescent lighting segment. The LED lighting segment can include a LED lighting source, and the fluorescent lighting segment can include a fluorescent lighting source. The LED lighting source can be activated. Motion sensors and/or occupancy sensors can detect motion and/or occupancy of an occupant in the structure. If there is motion or if the occupancy is more than a predetermined threshold, the fluorescent lighting source can be activated. After each regular interval of time, the detection of motion or occupancy can be re-performed. If there is no detection of motion and/or occupancy, the fluorescent lighting source can be deactivated, after a period of time. Related apparatus, systems, techniques and articles are also described.

Abstract: An LED module includes, on a circuit board, first to fourth electrodes, a first circuit including a first LED group, and a second circuit including second and third LED groups, a switch element and a detection element. The second circuit includes a first path leading from the second LED group to one end of the detection element, and a second path leading from the third LED group via the switch element to one end of the detection element. The first and second electrodes are connected to the first circuit, the third electrode is connected to the second and third LED groups, and the fourth electrode is connected to the other end of the detection element. The threshold voltage for light emission of the second LED group is larger than that of the third LED group. The switch element controls a current flowing through the second path in accordance with a current flowing via the detection element.

Abstract: There is provided a white light source approximating sunlight and being capable of reproducing a subtle difference in sunlight which changes depending on times and locations, and provided a white light source system of a lighting system or the like. The white light source includes a light source unit. Light which is emitted from the light source unit is a chromaticity point on a CIE chromaticity diagram and has a correlated color temperature corresponding to a chromaticity point including a deviation of ?0.005 or more to +0.005 or less with respect to a black body radiation locus, and satisfies a formula: ?0.2?[(P (?)×V (?))/(P (?max1)×V (?max1))?(B (?)×V (?))/(B (?max2)×V (?max2))]?+0.2.

Abstract: A controller for a lamp, comprising an input terminal for receiving a requested-colour-signal representative of a requested-colour-value to be provided by the lamp and one or more temperature-values associated with the lamp. The controller includes a full-colour-module for providing a full-colour-lamp-control-signal for an output terminal; a stabilization-module for providing a stabilized-lamp-control-signal for the output terminal; and a mode controller for comparing the requested-colour-value with a threshold value. If the requested-colour-value satisfies the threshold value, then the stabilization-module provides the stabilized-lamp-control-signal to the output terminal. If the requested-colour-value does not satisfy the threshold value, then the full-colour-module provides the full-colour-lamp-control-signal to the output terminal.

Abstract: Controlling the color temperature of a composite light source including at least one discrete-spectrum light source is disclosed. For example, the color temperature of a composite light source including at least one discrete-spectrum light source may be determined and/or adjusted based on one or more of the ambient color temperature of a space, the actual temperature of the space, the relative brightness of the space, the occupancy of the space, a time clock, a demand response command (e.g., from an electrical utility), the absolute location of the composite light source, the location of the composite light source relative to other light sources, inputs from a camera or other external devices, the operation of appliances or other machines in the vicinity of the composite light source, media content being utilized in the vicinity of the composite light source, and/or other sensor inputs.

Abstract: A control gateway for colored or color-changing lighting fixtures to allow access to local and remote control systems with real time control with power backup for security triggering using an established color code to indicate the nature of the emergency.

Abstract: An illumination system that includes a light source device and an algorithm unit is provided. The algorithm unit is coupled to the light source device and outputs a control signal to the light source device according to a reflection spectrum of an object, a visual color matching function, a visual preference correction function, or a combination of the above. The light source device outputs an illumination beam according to the control signal, so as to develop target visual perception of the object while the object is being irradiated by the illumination beam. A method for developing target visual perception of an object is also provided.