Abstract: A sensor circuit for remotely commanding the operation of a remote device includes a motion sensor circuit for detecting motion relative thereto and having an output conditioned upon motion detection. Additionally, a photocell sensor circuit for detecting a low ambient illumination level has an output command conditioned upon the detection of a predetermined illumination level that is electrically coupled to a control circuit having a plurality of inputs. The invention further includes a data output comprising a remote device operation command and a transmitter circuit coupled to the data output of said control circuit for transmitting said operation command to a remote device.

Abstract: The present invention addresses the problem of providing illumination in a manner that is energy efficient and intelligent. In particular, the present invention uses distributed processing across a network of illuminators to control the illumination for a given environment. The network controls the illumination level and pattern in response to light, sound, and motion. The network may also be trained according to uploaded software behavior modules, and subsets of the network may be organized into groups for illumination control and maintenance reporting.

Abstract: An application for a logo with an adjustable internal lighting includes an illuminated logo, a sensor and a circuit that controls the illuminated logo. The brightness and/or color of the illuminated logo are controlled by the circuit based upon ambient light and optionally, a user preference, operating mode and/or time-of-day. The sensor detects ambient light and signals the circuit to increase or decrease the brightness of the illuminated logo.

Abstract: A light fitting is provided with a first connector piece arranged to support a light and provide power thereto, an input connected to a power source and arranged to provide power permanently to an output comprising a primary coil, and a transmitter operable to transmit a switch signal. A light is provided comprising a sealed light housing, a light source, a back-up battery, a controller and a second connector piece having a secondary coil and a receiver. The receiver receives the switch signal and the controller controls power delivery to the light source in response to the switch signal received by the receiver thereby to turn the light on and off. The light fitting and the light are arranged to present the primary coil and the secondary coil for inductive coupling therebetween and to present the transmitter and the receiver for wireless communication therebetween.

Abstract: The invention relates to a color-controlled illumination device (1) with a number of light emitters, for example LEDs (L1, L2, L3, L4), of different primary colors. Photosensors (D1, D2, D3) consisting of a photodiode (20) covered with different dielectric filter layers (21) measure the light output of the light emitters (L1, L2, L3, L4) with distinct oscillating sensitivity curves that extend over the whole relevant spectral range. In a control unit (14), the actual color point of the illumination device (1) is calculated and the emissions of the light emitters (L1, L2, L3, L4) are individually adapted in order to match a target color point ((X,Y,Z)target) given with e.g. CIE tri-stimulus values.

Abstract: The present invention discloses an illuminating system and a method thereof, comprising a light emitting module, a light sensor and a control module, wherein the control module connects to the light emitting module and the light sensor. The light emitting module emitting light with a first frequency, the light sensor detecting an intensity of incident light, and the control module controls the light emitting module to emit light with a second frequency according to the intensity of incident light.

Abstract: A modular lighting system for lighting a work area is disclosed. The system includes a power supply with power outlets for powering LED fixtures. The power supply preferably operates at or below a fixed power output level, such as to illuminate the work area using less than 0.2 Watts per square foot of energy. The lighting system also includes an occupancy sensor and/or a light level sensor for controlling lighting levels in the work area in response to detection of a person, ambient light levels and/or a combination thereof. The lighting system can also include computer unit with a micro-processor and a memory unit for running software or firmware the executes lighting programs, stores light usage histories and/or provides system reports to a remote computer by a wireless means and/or over a computer network.

Abstract: The present invention relates to a method for determining drive values for driving a lighting device at a desired brightness and color.

Abstract: Disclosed is a lighting device.

Abstract: The invention discloses a novel control system for a Poly-Chromatic light-emitting diode (LED) lighting system, and applies feed forward and feedback control techniques to regulate the color and luminous outputs. Also, the control system is proposed for achieving luminous and color consistency for Poly-Chromatic LED lighting.

Abstract: An outdoor LED (light emitting diode) system includes an LED device, a storage battery storing an electric energy therein and connected to the LED device to provide an electric power to the LED device, a solar energy generator connected to the storage battery to provide an electric power to the storage battery, and a wind power generator connected to the storage battery to provide an electric power to the storage battery. Thus, the electric power of the LED device is supplied by two types of natural energy, including the solar energy and the wind energy, to prevent from incurring an environmental pollution so as to satisfy the requirements of environment protection.

Abstract: Photosensor circuits include a relay coil configured to control application of an alternating current (AC) power source to a load. The circuit includes a pulse width modulator circuit configured to generate a pulse width modulated signal having a pulse width that varies responsive to an average voltage across the relay coil, including a capacitor of an averaging circuit coupled in parallel with the relay coil. A drive transistor is coupled between the relay coil and a neutral bus that controls the average voltage across the relay coil responsive to the pulse width modulated signal. A photo control circuit, including a select transistor, is configured to control application of the pulse width modulated signal to the drive transistor responsive to a detected light level. The pulse width modulator circuit further includes a current amplifier coupled between the voltage averaging circuit and the select transistor.

Abstract: An improved hardware light switch and a system comprising at least one of the light switches and control/monitoring means is disclosed. The improved light switch and system provide a more flexible, convenient and economical means to reduce energy consumption both at the switch and remotely. In a first configuration, the improved light switch comprises an electronic switch, a broadband powerline communication (PLC) transceiver that includes processing ability, a unique MAC address and a TCP/IP stack.

Abstract: An apparatus for producing light includes a chamber and an ignition source that ionizes a gas within the chamber. The apparatus also includes at least one laser that provides energy to the ionized gas within the chamber to produce a high brightness light. The laser can provide a substantially continuous amount of energy to the ionized gas to generate a substantially continuous high brightness light.

Abstract: A system and a method for driving light emitters of a liquid crystal display (LCD) backlight module is disclosed. The system drives the light emitters by supplying a constant current and a pulse width modulated current to an individual light emitter, the pulse width modulated current being determined in accordance with an optical output of the light emitter. Accordingly, the system can provide a desired amount of current to the light emitters, and individually control the optical output of the light emitters.

Abstract: A handheld device includes a row of lighting elements configured at the side of its top body that faces a keypad of its bottom body for illuminating the keypad when the two bodies slide away for use. The lighting elements projects light in a direction nearly parallel with the keypad and toward the surface of the keypad, and illumination of the keypad is therefore accomplishable in various environmental conditions. The lighting elements may also be used for illuminating the keypad or displayed with different strength or bright and dark periods based on the ambient brightness, and based on the charging rate of the handheld device's rechargeable battery when the handheld device is being charged.

Abstract: A system and method including self oscillating feedback for acoustic operation of a discharge lamp. The system includes a ballast configured to receive a modulation input and modulate a lamp power signal in accordance with the modulation input. A photodetector senses the optical output of the lamp to provide an electrical feedback to a feedback circuit. The feedback circuit filters the feedback to couple a portion thereof corresponding to a selected acoustic resonance mode of the lamp to the ballast as the modulation input thereby causing self-oscillation at the selected acoustic resonance mode.

Abstract: An apparatus and method of controlling a light are disclosed. One method includes detecting a light adjusting trigger event, selecting a random delay time, and adjusting the light, wherein the light adjustment occurs the random delay time after detecting the light adjusting trigger event.

Abstract: An ultrasonic lamp control method is provided. The control method includes the following steps. The ultrasonic lamp emits a first burst, and detects whether a first echo is received within a fixed period of time after the emission of the first burst. If the first echo is received within the fixed period of time, then the ultrasonic lamp neglects the first echo and emits a second burst. The ultrasonic lamp detects whether a second echo is received within the fixed period of time after the emission of the second burst. If the second echo is received within the fixed period of time, then the ultrasonic lamp enters a control mode.

Abstract: Provided is a control device for controlling a light source element configured to irradiate light for reading an image on a document including: a drive portion configured to selectively apply a first drive voltage and a second drive voltage lower than the first drive voltage to the light source element; a detector configured to detect a light quantity of reflected light of the light irradiated to the image; and a control portion configured to control the drive portion and switch between applications of the first drive voltage and the second drive voltage, wherein the control portion controls the drive portion based on a threshold period set in relation to an elapsed period from an application time of the first drive voltage and a threshold light quantity set in relation to the light quantity of the reflected light.

Abstract: An ultraviolet lamp system for irradiating a substrate includes a magnetron and a memory physically attached to the magnetron. An electrodeless lamp is configured to emit ultraviolet light when excited by microwave energy generated from the magnetron. Main control circuitry is operable to read and write operational data associated with the magnetron to the memory. The ultraviolet lamp system is operated by generating microwave energy from the magnetron. A plasma within an electrodeless lamp is excited with the microwave energy to emit ultraviolet light. Operational data associated with the magnetron is tracked and written to the memory associated with the magnetron.

Abstract: In order to avoid firstly decidedly periodic loading of an output-buffered constant current power supply unit (17) and secondly physiological loading as a result of only intermittently appearing primary colors (R, G, B) when activating mixed light color loci, primary color light sources (11R, 11G, 11B) are energized in pulse-width-modulated fashion periodically in a temporally offset manner, but in addition in each instance, in time-parallel fashion with respect thereto, also those primary color light sources of further primary color light sources (11R, 11G, 11B) whose primary colors in the cyclic activation are not being energized at that time are likewise energized in a pulse-width-modulated manner (FIG. 2).

Abstract: Controlling a lighting system, which comprises a controller (2, 10), lighting units (6), and a sensing device. Each lighting unit comprises a lighting source (12) and a modulated light source (14). A single light source may be used to function as both the lighting source and the modulated light source. Each modulated light source emits uniquely modulated light. A radiation pattern of each modulated light source coincides substantially with a radiation pattern of a lighting source of the same lighting unit. The sensing device is suitable to sense modulated light in a viewing area. Lighting units from which the sensing device senses modulated light are identified from the modulation of that modulated light. The sensing device measures the intensity of the modulated light from the identified lighting unit. The lighting sources are controlled dependent on control data which comprises measuring values of measured light intensities.

Abstract: The invention provides an illumination arrangement (1) for illuminating horticultural growths (100) with for instance LEDs as a light source. These LEDs are placed in a lighting unit (10). The lighting unit may especially have the ability to direct substantially all light from the light source (here the LEDs) to the horticultural growths (in the greenhouse). Additionally, a horticultural growth-recognition system (50) can be implemented in the illumination arrangement, so that the system can adapt for instance its beam (11) to the location of the horticultural growth(s) (in the case of growth or moving of plants, etc).

Abstract: An emergency lighting system comprising light units and sensors, such as heat detectors, smoke detectors and motion detectors, operable to activate the light units. In the preferred embodiment, the light units are operable to adopt a selected one of at least two illuminated stated depending on the state of the sensors. Each illuminated state may involve the display of a symbol, text message or illumination pattern such as an arrow or a warning indicator, and/or may involve the emission of a respective illumination color. The emergency lighting system may be associated with a set of stairs in order to illuminate the stairs when activated.

Abstract: An electroluminescent lam including a lamp substrate; a first electrode formed over the lamp substrate device side, one or more layers having light-emitting material formed over the first electrode, and a second electrode formed over the one or more layers, a chiplet having a chiplet substrate separate and independent from the lamp substrate and adhered to the lamp substrate device side, one or more connection pads, a mechanical switch, and a control circuit for controlling the mechanical switch, the mechanical switch electrically connected to one or more connection pads and at least one connection pad electrically connected to the first or second electrode with one or more electrical connection(s); and an insulating and planarization layer formed over at least a portion of the chiplet and the electrical connections so that the chiplet is an embedded chiplet.

Abstract: There is provided a method for advanced configuration and initialization of a luminaire system. The luminaire system comprises one or more lighting devices (102), an apparatus (104) and a user interface (106). The apparatus comprises a light sensor. One or more of the lighting devices are not connected to a central controller by means of a wired/wireless connection. Therefore, techniques and procedures to use manual interaction 5 by an operator (114) to control these lighting devices are proposed. The proposed techniques enable backward compatible and low-cost implementations of advanced luminaire initialization and configuration. Moreover, this invention proposes to combine the user input, sensing and control functionality into one device, thereby reducing the total cost of implementation and ownership of the proposed system. A corresponding system and 10 apparatus are also presented.

Abstract: The invention regards a system and method for using a handheld programming device to configure a lighting control system wirelessly. In one embodiment, at least one device configured with a processing section is installed in the lighting control system. A communications receiver that is operable to receive a signal from the handheld programming device is also installed in the lighting control system, wherein the signal includes an instruction for configuring the lighting control system. Further, the signal is wirelessly sent from the handheld programming device to the communications receiver, and the instruction is transmitted from the communications receiver to a device in the system. The instruction functions to configure the lighting control system.

Abstract: A system and method especially of using solar electricity for indoor illumination utilizes solar energy generated electricity in solar panel which installed indoor side of window, door of building and the electricity generated stored and connected to the indoor illumination device disclosed. The system consisting of at least one solar panel, storage means (battery), an electric switch, a light-sensitive resistor and at least an illumination device (lighting fixture). The electric switch and light-sensitive resistor enables or disables the electrical connection between the battery and the illumination device depending on the degree of brightness/darkness indoor as needed.

Abstract: Devices (1) comprise receivers (11) for receiving signals (4) coming from signal-systems (5) at objects (3) and comprise converters (12) for converting the signals (4) into control information (7, 8) for controlling light-systems (2) for illuminating the objects (3). The signal-system (5) may comprise a sensor (51, 52) for sensing light (41-44) and for providing sensing information and a transmitter (53) for transmitting the signal (4) comprising the sensing information to the device (1). Alternatively the signal-system (5) may comprise a reflector (54) for converting light (41-44) into reflected light or may comprise a light source (55) for providing light (56), whereby the receiver (11) comprises a sensor (19) for sensing the reflected light or the light (56) and for providing the sensing information (7, 8).

Abstract: An ultra-low power illumination apparatus and method providing a useful, low-level illumination source for highlighting objects, navigating, making beacons, glowing toys, or marking pathways in the dark, that may be operated for months or years from a single battery.

Abstract: Methods and apparatus to adjust signature matching results for audience measurement are disclosed. An example method to adjust a signature matching result associated with monitoring a media content presentation disclosed herein comprises obtaining a monitored signature representative of the monitored media content presentation from a monitoring device, obtaining an environmental characteristic associated with the monitored signature from the monitoring device, and adjusting the signature matching result using an adjustment value when the monitored signature is determined to match a reference signature representative of reference media content, the adjustment value selected from a plurality of adjustment values based on the matched reference signature and the environmental characteristic.

Abstract: System for controlling a lighting level of a lamp in a multi-zone environment.

Abstract: The invention relates to a method for establishing a light beam (CLB) with substantially constant luminous intensity comprising the steps of establishing a light beam (LB) by means of a light source (SAL) and controlling an attenuation of said light beam (LB) on the basis of occurrences of luminous intensity peaks (IP) in said light beam (LB).

Abstract: Exemplary systems and methods for provisioning wireless control of facilities systems are provided. A message is broadcast to a network that includes one or more control devices, which may be associated with one or more control points (e.g., lights in lighting systems). The control device responds with information concerning the control device and/or any associated control points. A scene including at least one specification for operation the control point is assigned to the control device. A corresponding scene command may be generated and sent to the control device. Provisioning may further include generating a visual display of the various control devices and associated control points (e.g., lights) in the facilities system.

Abstract: Sensor devices (1) are provided with trigger signal generators (2) for repeatedly generating trigger signals and light detectors (12) for detecting light parameters such as intensities and colors and color temperatures and patterns and fluctuations of light (43) at a location and transmitters (9) for, in response to trigger signals, transmitting control signals based on detections to control devices (20) for controlling light sources (40) to influence the light (43) at the location. The sensor devices (1) may further comprise theme code generators (3), location code generators (4), processors (5), scanners (10), and position detectors (6).

Abstract: A method and system for adjusting a light source that is capable of displaying light of different colors receives inputs from various sources and provides an output color selection signal. The output color selection signal is applied to the light source to adjust the intensity and color thereof.

Abstract: The device (1) for lighting an illumination field (2) includes a light source (5), adapted to illuminate the illumination field (2), a device for regulating the illuminance from the light source (7). The device for regulating the illuminance from the light source (7) is adapted to receive an actual luminance signal representing the actual luminance of the lighting field (2) and control the illuminance from the light source (5) as a function of the actual luminance signal and a luminance set point signal. The lighting device (1) comprises a device for determining the actual luminance (11) adapted to determine the actual luminance of the lighting field (2) and to create and transmit the actual luminance signal to the device for regulating the illumination from the light source (7). Application to devices for illuminating operating fields.

Abstract: The present invention provides a method of programming a preset intensity of a dimmer switch from a radio-frequency (RF) remote control. A user is able to adjust the intensity of the lighting load to a new intensity and subsequently press and hold a preset button on the remote control to program the new intensity as the preset intensity. The remote control transmits a wireless transmission to the dimmer switch, which immediately responds to the actuation of the preset button by controlling the intensity of the lighting load to an initial preset intensity. The dimmer switch then blinks a light-emitting diode representative of the new intensity to provide feedback that the dimmer switch is in the process of programming the preset intensity to the new intensity. Eventually, the dimmer switch stores the new intensity as the preset intensity and stops blinking the light-emitting diode.

Abstract: A device for controlling the luminosity of an illuminating device, in particular for LC-display units in household appliances, includes a sensor which is used to detect the presence of a user, and a luminosity sensor. An exchange between two different luminosity values of the illuminating device according to the presence of a user and according to the surrounding luminosity takes place in a continuous manner.

Abstract: An illuminating device includes: a calibrating output unit for reading an output current command value corresponding to a specific brightness command value and for outputting the output current command value to a light source; a ratio calculating unit for calculating a ratio between an illuminance of illuminating light emitted from the light source and a prescribed illuminance value prescribed for the specific brightness command value; an illuminance calculating unit for calculating each illuminance when each output current command value matched with each brightness command value is outputted; and a calibrating unit for calibrating a relationship between each brightness command value and each output current command value in a conversion table such that each illuminance at the time when each output current command value matched with each brightness command value is outputted is set to each prescribed illuminance value prescribed for each of the brightness command values.

Abstract: The present invention includes a lighting control system provided with two or more lighting devices and one or more illumination comparing devices; wherein the illumination comparing device supplies to the lighting devices a comparison result in which a sampled illumination of an arbitrary position and a target illumination are compared; the two or more lighting devices carry out a judgment based on the comparison result obtained from the illumination comparing device and repetitively increase/decrease their respective light intensities; and the illumination of the arbitrary position is substantially controlled to the target illumination, and with this lighting control system, a predetermined position can be controlled to a desired illumination.

Abstract: A system and method are provided for mimicking a bioluminescent signal from an animal or an insect, such as a firefly. A first version includes a controller, an electrical energy battery, a solar energy collector and a light emitting device. The solar energy collector receives sunlight and converts the sunlight to electrical energy that is stored in the battery. The electrical energy battery provides electrical energy to the light emitting device under management by the controller, and may comprise two or more battery cells or circuits. A time sequence for energizing the light emitting device may be applied to cause the light emitting device to mimic a bioluminescent lighting pattern generally exhibited by a selected species of insect or animal. A light emitting diode may be used with a voltage source and a voltmeter to detect the approximate intensity of light of an ambient environment surrounding the device.

Abstract: A power supply control device for lamp includes a control unit, the control unit receives a forward voltage signal and a reverse voltage signal simultaneously from a zero-crossover sampling circuit and determines if a connected load is an LED lamp, then the control unit turns on a tri-electrode AC switch (TRIAC) after an operating voltage for the LED voltage is reached, thereby outputting the AC power to an outlet for illuminating the LED lamp; since the TRIAC can be turned on with the forward voltage or the reverse voltage, the LED lamp is powered with a stable power supply to prevent the LED lamp from blinking.

Abstract: A light emitting diode lamp includes a housing having a first side mounted with a conductive connecting head, and a second side opposite to the first side. The second side of the housing has a first mounting surface, and a tapered protrusion projecting outwardly from the first mounting surface and having at least one inclined second mounting face inclined with respect to the first mounting surface. A lighting unit includes a plurality of first light emitting diodes mounted on the first mounting surface of the housing, and a plurality of second light emitting diodes mounted on the second mounting face of the housing. A driving unit is disposed in the housing and is coupled to the lighting unit and the conductive connecting head for activating the lighting unit. A transparent cap body is mounted on the second side of the housing for covering the lighting unit.

Abstract: A power-saving circuit is provided for saving electrical power by detecting a presence or absence of an object in a localized area. The power-saving circuit includes a sensor module, and a switch module connected to the sensor module. The detector is adapted for outputting a control signal at a first state when an object is detected in the localized area, and outputting a control signal at a second state when an object is detected not in the localized area. The switch module provides a stable DC voltage according to the control signal at the first state, and not provides the stable DC voltage according to the control signal at the second state.

Abstract: A lighting system comprises a light fixture (100) and a corresponding remote control transmitter (200). The light fixture can comprise at least one electrically energizable light source (102), at least one local condition sensor (103), a receiver (105), a memory (104), and a controller (101). The controller automatically controls energization of the light source as a function of input from the location condition sensor(s) and at least one stored modifiable operating parameter. The controller also automatically modifies the modifiable operating parameter(s) in response to instructions (106) as are received via the receiver. The wireless remote control transmitter (200) comprises a transmitter (202), an end user interface (203), and a controller (201). The controller processes inputs from an end user (as entered via the end user interface) regarding at least one of the aforementioned manipulable operating parameters and transmits this information to the aforementioned light fixture.

Abstract: The present invention discloses an ultrasonic apparatus with an adjustable horn. The ultrasonic apparatus comprises a transmission device, a horn and an ultrasonic transceiver device. The horn and the transmission device are geared by a helical gear. The ultrasonic transceiver device is connected to the end of the helical gear. When the transmission device moves the horn to a first position, the ultrasonic transceiver device is applied for on/off control; while the transmission device moves the horn to a second position, the ultrasonic sensor is applied for digital control.

Abstract: A load control device for controlling the amount of power delivered from an AC power source to an electrical load comprises a rotary actuator, such as a rotary knob or a rotary wheel. The load control device increases and decreases the amount of power delivered to the electrical load in response to rotations of the rotary knob in first and second directions, respectively. The load control device accelerates the rate of change of the amount of power delivered to the load in response to the angular velocity of the rotary actuator. The load control device generates a ratcheting sound when the rotary actuator is rotated in the first direction at a high-end intensity of the load control device. The load control device is operable to control the electrical load in response to both actuations of the rotary actuator and digital messages received via a communication link.

Abstract: An electronic device comprising a sensor adapted to sense ambient light and an indicator adapted to display a power consumption status. The electronic device may additionally comprise a processor adapted to vary the luminosity of the device based on the ambient light sensed. A method may comprise sensing ambient light, illuminating a display at a luminosity based on the ambient light, and displaying a power consumption status on the device.