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| Number | Title | Issue Date |
| 8053994 | Intelligent wall switch 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 emitt... | 11/08/2011 |
| 7429828 | Method and system for luminance characterization A system for luminance characterization of a luminaire includes a ballast coil and a multi-tap capacitor connected in series with the ballast coil. The multi-tap capacitor has a plurality of tap capacitors integrated into a capacitor housing. A plurality of switches... | 09/30/2008 |
| 7417378 | Apparatus for controlling lighting lamp with security function and lighting control method using the same An apparatus for controlling a lamp with a security function and a lighting control method are disclosed. The apparatus includes a security switch for selecting a security mode, a light emitting diode for displaying security status, a lamp, an illuminance sensor set... | 08/26/2008 |
| 7405524 | Light management system device and method A lighting control system is disclosed. The lighting control system is electrically coupled to a load circuit for controlling indoor and/or outdoor lighting. The lighting control system includes a control module with a night light for providing low-level night light... | 07/29/2008 |
| 7397202 | Brightness control circuit and backlight control module A brightness control circuit is used to control brightness of a light emitting module. A light sensor module generates a first current through itself according to a light intensity. A charging module is coupled between the light sensor module and the ground, and gen... | 07/08/2008 |
| 7377658 | System and method for automated projector lamp management An information handling system projector tracks lamp usage to generate a lamp order form for order of a replacement lamp when lamp usage is a predetermined usage. The lamp order form is automatically generated and displayed to include lamp usage and projector identi... | 05/27/2008 |
| 7375951 | Load control device having a split enclosure A load control device is operable to receive a first control signal having a first magnitude and to generate a second control signal having a second magnitude. The load control device is adapted to be installed in an electrical wallbox having a barrier. The load con... | 05/20/2008 |
| 7362322 | Pixel circuit, display apparatus and electronic apparatus equipped with current driving type light-emitting device A display apparatus is provided with a current driving type light-emitting device and a driving device for controlling a driving current flowing through the light-emitting device for each pixel of the display apparatus. The display apparatus consists of power source... | 04/22/2008 |
| 7358689 | Phase-control power controller for converting a line voltage to a RMS load voltage A phase-control power controller converts a line voltage to an RMS load voltage and includes a phase-control clipping circuit that clips a load voltage to provide the RMS load voltage. The power controller may be in a base of a lamp and connected to a lamp terminal.... | 04/15/2008 |
| 7355349 | Apparatus and methods for providing emergency safety lighting The present invention transforms existing electrical wall outlets into an emergency lighting system for homes, hospitals, hotels, nursing homes and businesses. The lighting device, designed as a replacement electrical wall outlet or receptacle, simply plugs into an ... | 04/08/2008 |
| 7352134 | Lamp containing fixed reverse phase switching power supply with time-based phase pulse triggering control A lamp contains a lamp voltage conversion circuit within the lamp and connected to a lamp terminal. The voltage conversion circuit includes a phase-control clipping circuit that clips a load voltage and provides an RMS load voltage to the lamp. The phase-control cli... | 04/01/2008 |
| 7352339 | Diffuse illumination systems and methods The systems and methods disclosed herein relate to sources of diffuse illumination for providing substantially uniform illumination to a surface. The diffuse illumination arises from varying the diffusion angle of light generated by an LED system. To vary the diffus... | 04/01/2008 |
| 7342492 | Electrical appliance A device 15, 2 to 6 and 10 to 14 for controlling appliance functions and for communicating with a user need not stay switched on during the entire operating time. These mostly include optical indicating means 10 to 14 whose ... | 03/11/2008 |
| 7339471 | Nighttime-controlled lighting system A time-controlled security lighting system records the length of nighttime and is capable of automatically adjusting for seasonal nighttime hours. The time duration between the initial nighttime darkness and the light of dawn, as sensed from the prior day by a photo... | 03/04/2008 |
| 7331681 | Lighting apparatus with adjustable lenses or filters A lighting apparatus comprises a light panel having a panel frame, and a plurality of LEDs or other light elements secured to the panel frame. Lenses and/or filters are adjusted in distance from the light elements, by for example moving the lenses/filters into diffe... | 02/19/2008 |
| 7330115 | Electronic device control system An electronic device control system includes a base unit that includes a housing. A power input and a power output are each mounted in the housing and are electrically coupled to each other. The power input comprises a male plug and the power output comprising a fem... | 02/12/2008 |
| 7327090 | Electronic module, methods of manufacturing and driving the same, and electronic instrument An electronic module includes an EL section; a first substrate on which the EL section is formed; a second substrate attached to the first substrate; an integrated circuit chip mounted on the second substrate; a plurality of first power supply interconnects formed o... | 02/05/2008 |
| 7324076 | Methods and apparatus for setting the color point of an LED light source In one embodiment, a user-selected color point is received. RGB tristimulus values are then derived for the color point. It is also determined whether the user-selected color point is outside a color selection range of the LED light source and, if so, an error flag ... | 01/29/2008 |
| 7318652 | Versatile stand-mounted wide area lighting apparatus A lighting effects system comprises an arrangement of lamp elements, such as light-emitting diodes (LEDs) or other light elements, on a panel or frame. The panel or frame may be relatively lightweight, and may include one or more circuit boards for direct mounting o... | 01/15/2008 |
| 7319298 | Digitally controlled luminaire system The present invention provides a luminaire system capable of generating light of a desired chromaticity and luminous flux output during continuous operation with varying ambient operating temperature. The luminaire system can be further capable of maintaining a desi... | 01/15/2008 |
| 7315438 | Technique to reduce ESD loading capacitance The capacitive loading effects of an ESD circuit having an electrostatic-protection diode are reduced by using a capacitance compensation circuit. Under normal operation when no electrostatic discharge is experienced, the capacitance reduction circuit maintains a re... | 01/01/2008 |
| 7299577 | Illuminated identification system An illuminated identification system comprises a light chamber, a lighting means, an opaque identification stencil, a flashing means, a power on/off switch for the lighting means, and an on/off switch for the flashing means. The light chamber is environmentally seal... | 11/27/2007 |
| 7301291 | Power controller having current limited RMS regulated output A power controller converts a line voltage to an RMS load voltage for a lamp, and includes a switch and a microcontroller that operates the switch to define the RMS load voltage. The microcontroller senses a load voltage of the lamp, compares the sensed load voltage... | 11/27/2007 |
| 7290903 | Projection display A projection display includes a housing, a display panel, a power plug for electrically connecting to an external power source and receiving power provided by the external power source, a light source electrically connected to the power plug for emitting light onto ... | 11/06/2007 |
| 7291984 | Method of reducing RMS load voltage in a lamp using pulse width modulation A method of converting a line voltage to an RMS load voltage in a lamp includes modulating a load voltage with a pulse width modulation circuit that is entirely within the lamp and provides an RMS load voltage to a light emitting element of the lamp. Conduction is t... | 11/06/2007 |
| 7288902 | Color variations in a dimmable lighting device with stable color temperature light sources A method and system allow a lighting device having light sources with multiple color temperatures to vary a color temperature of the lighting device in response to changing dimming levels. The light sources are non-incandescent light sources, such as light emitting ... | 10/30/2007 |
| 7283030 | Doubly-anchored thermal actuator having varying flexural rigidity A doubly-anchored thermal actuator for a micro-electromechanical device such as a liquid drop emitter or a fluid control microvalve is disclosed. The thermal actuator is comprised of a base element formed with a depression having opposing anchor. A deformable elemen... | 10/16/2007 |
| 7279073 | Apparatus for liquid-based fiber separation An apparatus for treating fibrous material is disclosed. The apparatus may include a fiber separator, a de-liquefier, a dry-to-wet blender and a flash dryer. The fiber separator may be a liquid-based fiber separator. The de-liquefier is for removing liquid from the ... | 10/09/2007 |
| 7274117 | Radio wall switch A radio wall switch that uses radio signals to control a load through a load circuit is disclosed. The radio wall switch is also configured group or bind electronic devices to operate collectively by responding to the same radio control signals. Preferably, the radi... | 09/25/2007 |
| 7274149 | Lamp with integral pulse width modulated voltage control circuit A lamp has a voltage controller that converts a line voltage to an RMS load voltage suitable for operation of the lamp's light emitting element, where the voltage controller is entirely within a lamp base and uses pulse width modulation to define the RMS load voltag... | 09/25/2007 |
| 7274148 | Lamp having fixed forward phase switching power supply with time-based triggering A lamp contains a lamp voltage conversion circuit that is entirely within a base for converting a line voltage at a lamp terminal to an RMS load voltage at a light emitting element. The voltage conversion circuit includes a forward clipping circuit with a three-term... | 09/25/2007 |
| 7271543 | Method for providing bi-level illumination in a stair well A bi-level illumination system for power conservation correlated to the needs of a building stairwell, which even during work hours is only nominal functioning as it does as a back-up to elevator-provided access to work areas, and requiring high level illumination d... | 09/18/2007 |
| 7268682 | Room monitoring and lighting system A system for improving the safety of a room occupied by a patient includes a sensor for monitoring when the patient is out of bed. The sensor sends a signal that gives an alert to a care giver that the patient is out of bed. Lights in the room are slowly illuminated... | 09/11/2007 |
| 7265501 | Mobile light A mobile light is disclosed that produces a high level of illumination without glare using the DC power of a vehicle's battery and charging system. The mobile light uses a high-intensity discharge lamp with a control circuit that initially ignites the lamp using a v... | 09/04/2007 |
| 7258575 | Light sense controller A light sense controller uses a light sensor to sense light variations, and then turns a socket on or off in response to the light levels for controlling household appliances coupled the socket. The light sense controller includes a plug and at least one socket. A s... | 08/21/2007 |
| 7245471 | Discharge device for inductive devices A method and apparatus for protecting an energized inductive device such as an electromagnet from an open circuit, i.e., the loss of the power source for the inductive device. A diode is connected across terminals of the inductive device such that when the inductive... | 07/17/2007 |
| 7242313 | System for providing pathway indications through unlit areas An auxiliary lighting system contains at least one photoelectric cell to convert ambient light into energy and at least one light emitting diode. The photoelectric cell converts ambient light into energy which is stored in a storage cell. A switching system provides... | 07/10/2007 |
| 7233258 | LED matrix current control A system is employed to provide a substantially constant intensity light source via functional circuitry, the functional circuitry comprises a switching power supply. At least one signal is part of a matrix of LEDs connected in series and parallel and configured for... | 06/19/2007 |
| 7231060 | Systems and methods of generating control signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; computing a short-time similarity measure between the left channel and the right channel; classifying portions of th... | 06/12/2007 |
| 7218054 | Lamp having fixed phase power controller with analog trigger A lamp which includes a fixed phase power controller connected between a terminal and a light emitting element converts line voltage to an RMS load voltage. The controller has an analog control block that receives an input that is independent of a change in magnitud... | 05/15/2007 |
