Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8242708 | Multiple location load control system A multiple location load control system comprises a main device and remote devices, which do not require neutral connections, but allow for visual and audible feedback at the main device and the remote devices. The main device and the remote devices are adapted to b... | 08/14/2012 |
| 8115413 | Module for controlling light emitting diode current for selective feedback, apparatus and method for driving light emitting diodes using the same The present invention provides a module for controlling an LED current for selective feedback, an apparatus and a method for driving LEDs using the same. The module for controlling the LED current, which is connected to a plurality of LED channels receiving driving ... | 02/14/2012 |
| 8089218 | Lighting devices Lighting devices capable of being powered by both AC and DC power sources without requiring AC power source to the DC power source conversion are provided, in which a lighting module comprises a plurality of micro-diodes formed on a substrate and a conductive wire p... | 01/03/2012 |
| 7982410 | Electronic dimmer circuit An electrical dimmer circuit comprising the electrical dimmer circuit for dimming the electrical power of a plurality of lighting means having at least one digital input channel, at which digital low-voltage input signals for specifying the light power of the variou... | 07/19/2011 |
| 7872429 | Multiple location load control system A multiple location load control system comprises a main device and remote devices, which do not require neutral connections, but allow for visual and audible feedback at the main device and the remote devices. The main device and the remote devices are adapted to b... | 01/18/2011 |
| 7436132 | Multi-way sensor switch A system for controlling a load circuit is disclosed. The system includes a plurality of multi-way sensor switches for mounting in an electrical boxes and coupling to the load circuit. Preferably, each of the multi-way sensor switches includes a tactile switch for m... | 10/14/2008 |
| 7427840 | Methods and apparatus for controlling illumination Methods and apparatus for controlling illumination. In one example, one or more multi-color light sources are controlled based on one or more interruptions of power supplied to the light source(s). In another example, a pool or spa is illuminated by one or more mult... | 09/23/2008 |
| 7402961 | Circuit for illuminating multiple light emitting devices A single drive circuit is configured to drive disparate current loads of first and second combinations of compact light emitting devices with respective regulated constant currents. Standard push ON, push OFF latching switches provide independent control of the two ... | 07/22/2008 |
| 7369060 | Distributed intelligence ballast system and extended lighting control protocol A ballast for use in a multi-ballast lighting system wherein the ballasts are coupled together by a digital communication network. The ballast comprises a power circuit portion for providing an electrical current to power a lamp. The ballast further includes a senso... | 05/06/2008 |
| 7358627 | Electronic control systems and methods An apparatus in an electronic control system allows two or three wire operation. A power supply can supply power to the enclosed circuitry in both two and three wire installations. Two separate zero cross detectors are used such that timing information can be collec... | 04/15/2008 |
| 7342764 | Electronic control systems and methods An apparatus in an electronic control system allows two or three wire operation. A power supply can supply power to the enclosed circuitry in both two and three wire installations. Two separate zero cross detectors are used such that timing information can be collec... | 03/11/2008 |
| 7340509 | Reconfigurable appliance control system A reconfigurable appliance control system includes a dedicated appliance control (DAC) for controlling operation of an appliance. The system further includes an appliance communication control (ACC) for communicating with at least one appliance. The system includes ... | 03/04/2008 |
| 7334916 | Illumination device An electrical illumination device for generating saturated colors with at least two illumination units. The illumination units each have a discharge vessel with a low-pressure discharge and a phosphor coating on the inner wall of the vessel, characterized in that at... | 02/26/2008 |
| 7336041 | Automatic light dimmer for electronic and magnetic ballasts (fluorescent or HID) An apparatus is disclosed for automatic light dimming of electronic and magnetic ballasts used for fluorescent or high intensity discharge lamps. A variable capacitant's limiting current is added in the lamps which provides lighting intensity controls without changi... | 02/26/2008 |
| 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 |
| 7330364 | Device for converting high voltage alternating current (AC) to low voltage direct current (DC) and method therefor A method and circuit for converting high voltage AC to low voltage DC using a switched power supply and rising edge conduction has an alternating current (AC) power source. A rectifier is coupled to the AC power source. A switching device is coupled to the rectifier... | 02/12/2008 |
| 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 |
| 7312585 | Remote control of electronic light ballast and other devices An electronic ballast system controls one or more ballasts of HID or fluorescent lamps, which are controlled in an “on/off” manner by a ultra low power controller that is isolated for a primary power circuit or derives its very low switch power from the ballast ... | 12/25/2007 |
| 7312780 | Fluorescent lamp driver system A lamp driver system is provided that facilitates improved efficiency and brightness control for an optical display system. The lamp driver system provides this improved efficiency and brightness control through the precise control of the plasma in the lamp. The lam... | 12/25/2007 |
| 7309962 | Protection control circuit for discharge lamps A protection control circuit for discharge lamps aims to control protection signals input to a load at a rear end of a high voltage output zone that are generated during abnormal conditions. The high voltage output zone has a control unit and a driving unit, and a s... | 12/18/2007 |
| 7309965 | Universal lighting network methods and systems The present invention relates to smart lighting devices bearing processors, and networks comprising smart lighting devices, capable of providing illumination, and detecting stimuli with sensors and/or sending signals. Sensors and emitters can, in some embodiments, b... | 12/18/2007 |
| 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 |
| 7279853 | Fluorescent lamp dimmer control A dimmer fixture has a ballast board 10, a main board 40 and switch 70. The ballast board and main board have no inductors so the fixture may be used for fluorescent and incandescent lamps. The ballast board 10 has two bridge circuits ... | 10/09/2007 |
| 7274150 | Lighting control circuit for vehicle lighting equipment An LED is connected to a power supply circuit, and a Zener diode is reverse-connected to the LED and then packaged in an LED package. When a load of the power supply circuit is lightened due to disconnection in the LED package, an output voltage of the power supply ... | 09/25/2007 |
| 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 |
| 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 |
| 7242152 | Systems and methods of controlling light systems An embodiment of the invention is a system for generating control signals. The system may allow a user to generate an image, representation of an image, algorithm or other effect information. The effect information may then be converted to lighting control signals t... | 07/10/2007 |
| 7233257 | Hand-held wireless control unit An instrument for generating a signal to activate or terminate electronic equipment from a remote location through a responsive sensor including an elongated rigid support formation with a switching device at one end and a signal emitting component mounted at the ot... | 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 |
| 7224125 | Dimmable fluorescent lamp package A lamp package includes a base for insertion into an electrical socket, a complete dimmable ballast circuit contained within and electrically connected to the base, and a fluorescent lamp, including a CFLP, connected to and dimmed through the ballast circuit. The ba... | 05/29/2007 |
| 7224336 | Display device drive unit and driving method of display device The display device drive unit includes a liquid crystal driver that generates a liquid crystal driving voltage for display device driving, and can operate in a master mode for outputting the foregoing voltage and in a slave mode for driving the display device in acc... | 05/29/2007 |
| 7211968 | Lighting control systems and methods Implementations of lighting control systems and methods are described and claimed herein. An exemplary remote control system comprises a wireless interface configured to receive instructions from a wireless station in a building automation network. A ballast table i... | 05/01/2007 |
| 7186003 | Light-emitting diode based products High-brightness LEDs, combined with a processor for control, can produce a variety of pleasing effects for display and illumination. A system disclosed herein uses high-brightness, processor-controlled LEDs in combination with diffuse materials to produce color-chan... | 03/06/2007 |
| 7166970 | Lighting control device having improved long fade off A lighting control device for controlling the light intensity level of at least one lamp is disclosed. The lighting control device includes an actuator and a controller, such as a microcontroller, for example. The controller is operable to cause the light intensity ... | 01/23/2007 |
| 7138928 | Method and apparatus for positive control of devices with toggle power control An exemplary method of providing positive power control of an electrical device which uses a toggle power command signal, and apparatus perform the method. This exemplary method uses an apparatus that includes a remote control unit and a signal translator. A positiv... | 11/21/2006 |
| 7129651 | Remote control of electronic light ballast and other devices An electronic ballast system controls one or more ballasts of HID or fluorescent lamps, which are controlled in an “on/off” manner by a ultra low power controller that is isolated for a primary power circuit or derives its very low switch power from the ballast ... | 10/31/2006 |
| 7129648 | Interface circuit for operating capacitive loads An interface circuit suitable for operating capacitive loads such as electric ballasts for lamps at a mains supply circuit, in particular a phase gating dimmer. The interface circuit short-circuits the load input if the mains supply circuit does not carry out a load... | 10/31/2006 |
| 7126290 | Light dimmer for LED and incandescent lamps The light output intensity of incandescent lamps and LEDs connected to a common lamp power bus are controlled using a composite waveform having two power components: a pulse-width modulated (PWM) component and a direct current DC component. The DC component is maint... | 10/24/2006 |
| 7102801 | Pulse-width modulated drivers for light-emitting units of scanning mechanism A scanning mechanism of one embodiment of the invention is disclosed that includes light-emitting units, an integrating detector, and pulse-width modulated (PWM) drivers. Each light-emitting unit can emit colored light corresponding to a color of a color space. The ... | 09/05/2006 |
| 7098611 | Dimming control system with distributed command processing A dimming control system includes dimmer modules that receive dimming level information from one of at least two control modules. Each dimmer module includes a microprocessor that provides internal intelligence for controlling power to a load in response to dimming ... | 08/29/2006 |
