Abstract: An intelligent wall switch comprises an extend operation panel including sensor areas with a first conducting film; a glass on the back sides of the sensor areas including second conducting films; a first circuit board including a backlight LED and an infrared emitter and connected to a flexible cable connected to the second conducting film; a frame on a back side of the glass; a controller system including a second circuit board having an AC-DC power module, relays, AC output connectors, an AC input connector all on a back side thereof, and having a flat cable connector, an infrared receiver, and multiple indicating LEDs all on a front side thereof; a connecting piece and a housing being used to receive the AC-DC power module, the connecting piece being disposed on a back side of the frame, the AC-DC power module being connected to the cable by the flat cable connector.

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: An illumination control system includes lighting apparatuses connected to a communications line and a number of functional units of plural kinds functioning to detect information from ambient environments of the lighting apparatuses. Each lighting apparatus includes a lamp, an illumination circuit, a communication unit, a control unit, and a unit attaching part to which the functional unit is detachably attached. Each lighting apparatus belongs to one or more of plural groups corresponding to the functional units, the groups being operated based on information detected by the respective functional units. A functional unit having a detecting function corresponding to an operation of each group is attached to each unit attaching part of at least one lighting apparatus of each group, and each communication unit of the at least one lighting apparatus sends the control signal including information detected by the corresponding functional unit to another lighting apparatus in the same group.

Abstract: An apparatus, system, and method are disclosed for identifying and differentiating among multiple groups of devices, comprising at least two LEDs, a controller, and a blending medium. The at least two LEDs emit a wavelength of light that is different from a wavelength of each other LED. The controller drives the at least two LEDs to each emit light at specified intensities in response to a color identifying value. The blending medium combines the light emitted by the at least two LEDs into an identifying color that identifies a group of devices.

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: A fluorescent lamp sensor system is provided. The fluorescent lamp sensor system includes a plurality of bulbs and a plurality of electrodes coupled to the bulbs. A balanced differential circuit measures changes in electric fields produced by the bulbs in front of the electrodes. The balanced differential circuit includes a symmetric current source associated with alternating the surface potential of the bulbs. A current mode detection circuit detects the current associated with the capacitive effects of the balanced differential circuit. A synchronous detection circuit isolates the capacitive effects of the symmetrical current source from stray signals that differ in either frequency or phase.

Abstract: A method includes rectifying AC power and controlling switching of first, second and third currents from and rectified power and a switching sequence that is locked to the AC cycle time by sensing an amplitude of at least one of the AC power and the rectified power. The first, second and third currents are conducted through corresponding first, second and third series of color light emitting devices of different colors. The switching sequence repeats at least twice each AC cycle time.

Abstract: A light emission device capable of holding a uniform color in various environments is provided. A light source control device has a light detection device for detecting emission brightness of light sources that emit different colors and controlling emission brightness of at least one light source of the light sources based on the detection result of the light detection device. A through-hole is formed in a reflection member for reflecting light emitted from the light source, and the reflection is in a predetermined direction. The light detection device is provided across the reflection member from the light source, and the light propagation member is provided at the through-hole.

Abstract: A method and apparatus is provided for controlling power consuming devices within a user space. The method includes the steps of providing a plurality of power control devices where each power control device of the plurality of power control devices controls a power consuming device within the user space, a base station controlling a power level of the power controlling devices in accordance with a set of parameter provided by a user of the user space, a solar detector detecting a solar input proximate the user space and the base station adjusting a power level of the power control devices in accordance with the detected solar input.

Abstract: A two way lighting control system with dual illumination sources, including a lighting unit, a photocell, a motion sensor, and at least one light source base. The lighting unit includes two light source loads. The high wattage light source load is the first light source, and the low wattage source load is the second light source. The illumination of the first light source load is greater than the illumination of the second light source load. The first light source load is electrically connected with the motion sensor via the base, and then is further electrically connected with the photocell to form the first circuit loop. The second light source load is electrically connected with the photocell via the base to form the second circuit loop. Thereby, the present invention can satisfy consumers' requirements of providing both high illumination light and low illumination light with energy saving benefit as needed.

Abstract: The present invention relates to a lighting system (1) with a user interface (3) for controlling the lighting color and/or intensity of a lighting unit (2) determining the lighting conditions in a room. The user interface (3) is based on a system comprising a detection device (4) and transponders (6). Bringing the transponders (6) within the detection device (4) so that they will be detected causes the transponders (6) to send a response signal, which signal controls the lighting color and/or intensity of the lighting unit (2). Each transponder (6) is programmed to control a particular color or a specific light intensity.

Abstract: A system and device for and a method of programming and controlling light fixtures is disclosed. A system in accordance with the present invention includes a stationary controller unit that is electrically coupled to the light fixtures. The stationary controller unit is configured to be remotely programmed with a portable commissioning device to automatically control the lights fixtures. The stationary controller unit and the portable commissioning device include light sensors, micro-computers and transceivers for measuring light levels, running programs, storing data and transmitting data between the stationary controller unit and the portable commissioning device. In operation, target light levels selected with the portable commissioning device and the controller unit is remotely programmed to automatically maintain the target level.

Abstract: A method of controlling the output of a luminaire by receiving a first target signal associated with a first frame; generating a first light output control signal for an on time portion of the first frame, the light output control signal responsive to the received first target signal; sampling a light output during the on time portion of the first frame, the light output being responsive to the first light output control signal; receiving a second target signal associated with a second frame, the second frame following the first frame; comparing the received second target signal with the sampled light output of the on time portion of the first frame; and generating an error signal responsive to the comparing.

Abstract: There is provided a method of driving a light emitting device including a light emitting element and a unit circuit that is disposed in correspondence with the light emitting element and drives the tight emitting element in accordance with emission control data generated based on image data, wherein the light emitting device has a temperature sensor and a light receiving sensor. The method includes detecting the temperature of the light emitting device by using the temperature sensor, detecting light emitted from the light emitting element by using the light receiving sensor, and generating the emission control data by correcting the image data in response to the temperature of the light emitting device which is detected by the temperature sensor and the detected value of light which is detected by the light receiving sensor.

Abstract: The invention provides a power source that can be configured for being mounted to a fluorescent light. The internal electronics of the power source are contained within a housing. Attachment means are used to attach the housing to a fluorescent lamp. The attachment means may comprise a support tube attached to the housing. The support tube fits over the fluorescent lamp and attaches to the housing to secure the power source to the fluorescent lamp. Alternatively, the housing may include power coupling pins on one side and fluorescent lamp pin connectors on the opposite side. The power coupling pins fit into one receptacle of the fluorescent light fixture and the pins of the fluorescent lamp are inserted into the fluorescent lamp pin connectors of the housing such that the power source is mounted between the fluorescent lamp and the fluorescent light fixture.

Abstract: A display device comprises an illumination source (12), a display modulator (10) for modulating the light provided by the illumination source and an integrated light sensor arrangement (14) to detect a light level. Light sensor signals from a plurality of light sensors are processed such that localised shielding of the ambient light at the location of one or more of the light sensors is identified. An accurate estimate of the ambient light level can then be obtained.

Abstract: A ceiling mount light with a single spherical lens with a 360-degree range viewing field to focus infrared energy into a motion sensor is provided. The ceiling mount light has a sensitivity regulating switch to adjust the level of sensitivity up to about 30 feet in the 360-degree viewing field.

Abstract: To provide a process of successively forming from an EL layer, a cathode, a barrier layer and a cover layer in the same multi-chamber. By using a same film deposition method to form the EL layer and the cover layer, as shown in FIG. 1A, the EL layer, the cathode, the barrier layer, and the cover layer can be formed in the same multi-chamber in succession. Thus, as shown in FIG. 1B, a sealed structure of an EL element can be formed.

Abstract: Method and system for generating electromagnetic radiation wherein one or more attributes of the electromagnetic radiation are adjusted based on a characteristic of the object being illuminated. The object characteristic can be obtained based on a sensed property of the object and used to adjust the attribute(s) of the electromagnetic radiation accordingly.

Abstract: The invention provides methods and apparatuses for mounting a wireless network component to a fluorescent light. The internal electronics of the wireless network component are contained within a housing. Attachment means are used to attach the housing to a fluorescent lamp. The attachment means may comprise a support tube removably attached to the housing. The support tube fits over the fluorescent lamp and attaches to the housing to secure the wireless network component to the fluorescent lamp. Alternatively, the housing may include power coupling pins on one side and fluorescent lamp pin connectors on the opposite side. The power coupling pins fit into one receptacle of the fluorescent light fixture and the pins of the fluorescent lamp are inserted into the fluorescent lamp pin connectors of the housing such that the wireless network component is mounted between the fluorescent lamp and the fluorescent light fixture.

Abstract: Method and system for generating electromagnetic radiation wherein one or more attributes of the electromagnetic radiation are adjusted based on a characteristic of the object being illuminated. The object characteristic can be obtained based on a sensed property of the object and used to adjust the attribute(s) of the electromagnetic radiation accordingly.

Abstract: A system for the throughput detection and feedback of optical energy for making sure of white balance of the LED array in a flat fluorescent light source when the LED array in emitting light by respectively connecting in series a selected LED lamp respectively from RGB LED groups in an LED array to an optical energy sensor to convert optical energy into equivalent amperage, then voltage analog signals to digital signals for a CPU to compare and solve the difference of optical energy to improve voltage output, which then regulated by a driver and fed back to the LED array.

Abstract: To provide a process of successively forming from an EL layer, a cathode, a barrier layer and a cover layer in the same multi-chamber. By using a same film deposition method to form the EL layer and the cover layer, as shown in FIG. 1A, the EL layer, the cathode, the barrier layer, and the cover layer can be formed in the same multi-chamber in succession. Thus, as shown in FIG. 1B, a sealed structure of an EL element can be formed.

Abstract: An auto-operated dip switching mechanism includes a strong-light detector, a strong-light signal circuit, and a switching control circuit. The strong-light detector is mounted to a front end of a car to detect light projected from an opposite coming car. The strong-light detector is induced when the light projected thereto has intensity exceeded a preset value, and causes the strong-light signal circuit to produce a strong-light signal, with which the switching control circuit is immediately enabled to switch headlights of the car from high beams to low beams. And, the switching control circuit automatically switches the car from low beams to high beams when the strong-light signal circuit stops sending the strong-light signal.

Abstract: A system and method for automatic configuration of devices that comprises a receiver for receiving information from a device that uniquely identifies the device, a controller capable of assigning an address to the device, and a communication link for transmitting said information from the receiver to the controller.

Abstract: The invention provides methods and apparatuses for mounting a wireless network component to a fluorescent light. The internal electronics of the wireless network component are contained within a housing. Attachment means are used to attach the housing to a fluorescent lamp. The attachment means may comprise a support tube removably attached to the housing. The support tube fits over the fluorescent lamp and attaches to the housing to secure the wireless network component to the fluorescent lamp. Alternatively, the housing may include power coupling pins on one side and fluorescent lamp pin connectors on the opposite side. The power coupling pins fit into one receptacle of the fluorescent light fixture and the pins of the fluorescent lamp are inserted into the fluorescent lamp pin connectors of the housing such that the wireless network component is mounted between the fluorescent lamp and the fluorescent light fixture.

Abstract: A dimmable flex arm lamp for effecting task lamp functions and/or light therapy treatments. The dimmable flex arm lamp includes a base member configured to provide stabilized support for the lamp, a light holding member, a fluorescent full spectrum light removably mounted in the light holding member, a stem with a flexible portion longitudinally extending from the base member, an end of the stem being interconnected with the base, and an end of the flexible portion being interconnected with the light holding member. The dimmable flex arm lamp also includes a dimming control and is configured to effect task lamp functions and/or light therapy treatments.

Abstract: A light monitoring system provides a sensing unit coupled to a luminaire. The sensing unit monitors both the input and the output of the luminaire for both current and voltage. In this manner, a variety of problems with the luminaire can be detected by the sensor and this information can be passed to monitoring equipment that is either hard-wired or remotely coupled to the sensing unit.

Abstract: A wireless control system for lighting or the like has a central processor that receives commands from keypads and other control devices, and sends commands to dimmers and other controlled devices. The central processor also receives status reports from the dimmers and sends updates to the keypads, in order to ensure that displays on the keypads are up to date.

Abstract: A wireless lighting system for providing convenient illumination where needed with centralized control. The wireless lighting system includes a main transmitter assembly providing a centralized control capability; including a housing defining an interior space and a transmitter member positioned substantially within the housing for generating and transmitting control signals, and a plurality of lamp assemblies each having a base portion and a lamp member. Each lamp member selectively provides illumination. Each one of the base portions has a base housing defining an interior space and an energy storage member positioned within said housing for selectively providing electrical current to an associated lamp member. Additionally, each one of said base portions includes a receiver portion positioned within the housing for receiving control signals generated and transmitted by the transmitter member.

Abstract: A switching system using laser induced discharge is provided which is capable of reliable switching with a simple structure, multiple switching for a number of circuits, good synchronization and no switching time delay among circuits. In the switching system for controlling conduction between electrodes of a switch by discharge between the electrodes, a laser beam is applied to one of the electrodes to make discharge from the other of the electrodes be induced by the laser beam and application of the laser beam is controlled to switch the conduction.

Abstract: A device for checking the evaluation circuit for automatic switching operations of the illumination devices in vehicles. A sensor device contains a global sensor for detecting the light conditions in the environment of the vehicle and a directional sensor for the directed detection of the light conditions in the direction of travel in front of the vehicle. The signals of the sensor device are supplied to the evaluation circuit, to determine whether a change in the switching state of the illumination devices is necessary. In order to check the evaluation circuit which is designed using analog technology, in the operating state, the voltage supply to the sensor unit is briefly interrupted at predetermined intervals, as a result of which the condition “night” is simulated. When the evaluation circuit is functioning correctly, this is detected by it as such.

Abstract: A lighting control system for maintaining a predetermined light level in a lighting zone illuminated by both natural and artificial light includes a CPU connected to an electrical power source and to an electric light. The CPU directs a predetermined initial amount of current to the electric light when the electric light is activated. The system includes a sensor for sensing the light level within the lighting zone and communicating the sensed level to the CPU. Following a comparison of the sensed light level with a predetermined light level, the CPU either increases or decreases the amount of current to the electric light for maintaining the predetermined light level. A thyristor connected to the CPU blocks and releases current flowing to the electric light for gradual power changes. Present light level sensing and current adjustments continue while the electric light is activated.

Abstract: The invention relates to a starting-up method for a lighting system, which has a plurality of luminaries (L1; L2; L3; L4; L5; L6) which are fitted with lamps (LP1; LP2; LP3; LP4; LP5; LP6; LP7; LP8) and electric equipment for operating these lamps, a control device (St) for actuating the electrical equipment (B1; B2; B3; B4; B5; B6) and control elements (S) for controlling and programming the control device (St). During the starting-up phase of the lighting system, system initialization is carried out, during which each electrical equipment item (B1; B2; B3; B4; B5; B6) is assigned an individual appliance address, which ensures that the equipment (B1; B2; B3; B4; B5; B6) and the luminary (L1; L2; L3; L4; L5; L6) are identified by the control device (St).

Abstract: A self light emitting device having a function of correcting drops in brightness in self light emitting elements in a pixel portion, and capable of displaying a uniform image without brightness irregularities, is provided. A specific test pattern is displayed when an electric power source is connected, brightnesses are detected by photoelectric conversion elements arranged in each pixel, and then stored in a memory circuit. A correction circuit then corrects a first image signal based on portions which are insufficient from standard brightnesses (brightnesses of normal self light emitting elements at the same gray stale, stored in advance), and a second image signal is obtained. Display of an image in a display device is performed in accordance with the second image signal.

Abstract: An apparatus and method are described for monitoring the life of an arc lamp bulb. The apparatus includes a memory that stores a threshold property value. An arc lamp bulb property sensor acquires a current arc lamp bulb property value. A control circuit compares the current arc lamp bulb property value with the threshold property value. The control circuit generates an end-of-life notification signal when the current arc lamp bulb property value meets the threshold property value.

Abstract: An occupancy sensor and an automatic dimmer are connected in series with a light source. The detection of motion in the viewing area of the sensor starts the automatic dimmer which moves from its minimum brightness level to its maximum brightness level. One embodiment of the invention includes a key which can be operated to stop the automatic dimmer at some brightness level below the maximum brightness level which is reached if the key is not operated. A second embodiment provides a presetting device whereby the brightness level can be preset. When all motion in the viewing area ceases the automatic dimmer returns the brightness level to the minimum level at a slow rate.

Abstract: A photopic light sensor for controlling the apparent brightness to a human observer of a fluorescent backlight uses a broad spectrum photodiode and a daylight-filtered photodiode, the latter sensing predominantly the infrared region of the broad spectrum. By properly scaling and subtracting signals from these two photodiodes, an effective response of a photopic sensor is created which may be used in a feedback loop to control the brightness of a fluorescent tube in automotive applications without the expense or package constraints incident to an infrared blocking filter of a true photopic sensor.

Abstract: A device for controlling the brightness of dashboard lights in a motor vehicle is described, where an optoelectric receiver adjusts the light intensity of the dashboard lights with the output signal as a function of ambient brightness. To obtain an automatic measurement of the ambient brightness distribution in the direction of vehicle travel, taking into account the brightness in certain regions in the vicinity of the vehicle, an image sensor pointing in the direction of vehicle travel is provided as an optoelectric receiver to perform a location-selective absolute brightness measurement, and its electric output signal, weighted with preselected or preselectable algorithms for determining ambient brightness by an analyzer unit, so it can be sent to a control unit to influence the brightness of the dashboard lights.

Abstract: A ceiling fan assembly includes a fan and a light-sensitive circuit for controlling an illumination level of a light as a function of an ambient illumination level surrounding the ceiling fan assembly by selectively controlling or fixing a conduction phase angle of an AC power signal provided to the light. The light-sensitive circuit includes a photocell, a phase control circuit and a cutoff circuit which prevents flicker at low illumination levels. The photocell is responsive to the ambient illumination level and has a conduction state. The conduction state changes in response to the ambient illumination level. The phase control circuit selectively varies or fixes a conduction phase angle associated with the AC power signal, which correspondingly determines a variation in the illumination level of the light.

Abstract: A light sensitive dimmer switch circuit for controlling the illumination level of a light as a function of the ambient illumination level surrounding the dimmer switch circuit by selectively controlling an AC power signal provided to the light includes a photocell and a phase control circuit. The photocell is responsive to the ambient illumination level and has a conduction state associated therewith. The conduction state changes, in response to the ambient illumination level, such that the photocell effectively exhibits either a substantially open circuit or a substantially short circuit. The phase control circuit selectively varies a conduction phase angle associated with the AC power signal which correspondingly causes a variation in the illumination level of the light.

Abstract: An illumination control system uses two photocells, one directed toward an illuminated lamp and the other directed from the ceiling downwardly into the illuminated zone. A feedback signal is derived from the two photocell signals and a reference intercept signal. The feedback signal and a reference set point signal are input into an error amplifier. The error amplifier generates a control signal for setting the illumination in controlled lamps. The photocell signals are variously scaled to provide balancing between them and matching with the intercept signal. Scaling factors and intercept signal level arc set in a calibration procedure that establishes feedback circuit response consistent with a design set point transfer function.

Abstract: An EL driving apparatus is composed of a display portion, a photodiode as changing means for changing a reference voltage for controlling an increased voltage based on ambient brightness and a control portion for controlling the timing of discharging based on the reference voltage. The control portion has a comparator for comparing a specified peak value obtained by reducing the increased voltage generated by voltage increasing means with the reference voltage generated from within. The increased voltage is inputted to the control portion. The increased voltage is reduced to provide a detect voltage that can be inputted to the comparator. The comparator has a positive-phase input terminal for receiving the detect voltage and a negative-phase input terminal for receiving the reference voltage produced at a connection point between a constant current source and a resistor connected in series to each other.

Abstract: A "no touch", two state switch is controlled by light emitted thereby which is reflected back to the switch to actuate or deactuate the switch when reflected by a hand or other object spaced from but adjacent to the switch.

Abstract: A light sensitive dimmer switch circuit for controlling the illumination level of a light as a function of the ambient illumination level surrounding the dimmer switch circuit by selectively controlling an AC power signal provided to the light includes a photocell and a phase control circuit. The photocell is responsive to the ambient illumination level and has a conduction state associated therewith. The conduction state changes, in response to the ambient illumination level, such that the photocell effectively exhibits either a substantially open circuit or a substantially short circuit. The phase control circuit selectively varies a conduction phase angle associated with the AC power signal which correspondingly causes a variation in the illumination level of the light.

Abstract: A security light has a quartz-halogen lamp, a photocell, a passive infrared sensor for detecting motion external to the security light, and a circuit which causes the quartz-halogen lamp to operate at about 50% of full brightness in the absence of detection of motion at night, to operate at 95% of full brightness for a predetermined time interval in response to detection of motion at night, and to be off while the photocell is detecting daylight. A switch allows the user to select a different mode of operation which is similar except that the lamp is kept off in the absence of detection of motion at night. A user-initiated override mode is also provided, which causes the lamp to continuously operate at 95% of full brightness until the photocell detects daylight or until the user disables the override mode.

Abstract: An electroluminescent backlight panel for a video display system is automatically controlled by the varying ambient light levels. A light detector receives the ambient light level and sends a corresponding electrical signal to a microcontroller. The microcontroller controls the driving of the eletroluminescent backlight power supply according to varying ambient light levels until an optimum backlight output is reached. The automatic electroluminescent backlight control system is combined with an efficient power supply unit in order to further reduce battery energy consumption.

Abstract: A security light has a quartz-halogen lamp, a photocell, a passive infrared sensor for detecting motion external to the security light, and a circuit which causes the quartz-halogen lamp to operate at about 50% of full brightness in the absence of detection of motion at night, to operate at 95% of full brightness for a predetermined time interval in response to detection of motion at night, and to be off while the photocell is detecting daylight. A switch allows the user to select a different mode of operation which is similar except that the lamp is kept off in the absence of detection of motion at night. A user-initiated override mode is also provided, which causes the lamp to continuously operate at 95% of full brightness until the photocell detects daylight or until the user disables the override mode.

Abstract: A strobe apparatus having a light emitter which emits strobe light and a color temperature converter for varying a color temperature of the strobe light emitted from the light emitter. The apparatus includes a first color temperature detector for detecting a color temperature of the strobe light after being reflected from an object, a second color temperature detector for detecting a color temperature of ambient light reflected from the object, and a color temperature controller. The color temperature controller controls the color temperature of the strobe light detected by the first color temperature detector, so that the color temperature of the strobe light incident upon the object to be photographed is substantially identical to the color temperature of the ambient light detected by the second color temperature detector.

Abstract: An electronic circuit for controlling a lamp includes a pyroelectric sensing circuit for detecting the approach of a human, a triggering circuit for receiving a signal from the pyroelectric circuit, a driving circuit for receiving a triggering signal from the triggering circuit and activating a load, and a direct current power circuit with a high-impedance circuit for providing a steady voltage to the electric circuits.