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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8169165 | Multi-mode portable lighting device A portable lighting device, such as a flashlight, with a mechanical power switch and multiple operating modes is provided. The mechanical power switch is disposed in series with the controller for the lighting device and acts as the user interface to the controller ... | 05/01/2012 |
| 8164281 | Luminaire system and method A device comprising a solid state or mechanical switch coupled to a first connector and a second connector and at least one lighting device such as an LED light source wherein when power is applied to the first connector, the switch is operable to direct power to th... | 04/24/2012 |
| 8120289 | Optical electrical system in package for LED based lighting system Packaged semiconductor electronic device to be individually positioned and coupled to peripheral electronic devices, the package comprising a light emitting semiconductor device, and a switch for controlling the light emitting semiconductor device. ... | 02/21/2012 |
| 8098029 | Force invariant touch sensitive actuator A load control device for controlling an amount of power delivered to an electrical load from an AC power source, the load control device comprising a semiconductor switch operable to be coupled in series electrical connection between the source and the load, the se... | 01/17/2012 |
| 8084964 | Methods for adjusting brightness of light sources A method for adjusting brightness of a light source is provided. A light source with X brightness degrees is provided. The light source is turned on and off at least one time. When the number n of times of turning on the light source is less than or equal to the tot... | 12/27/2011 |
| 8076872 | Light emitting diode circuit and arrangement and device Disclosed are light emitting diode circuits employing first sub-circuits including first light emitting diodes and connected in parallel with second sub-circuits including second light emitting diodes and switches for, in conducting states, switching on the second l... | 12/13/2011 |
| 8040080 | Force invariant touch sensitive actuator A user interface for a lighting control has a touch sensitive front surface; a four-wire resistive touch pad responsive to a point actuation on the front surface, the touch pad having a longitudinal resistive element for providing a first control signal representati... | 10/18/2011 |
| 7746009 | Operating lamp controls An operating lamp has operator controls that include several operating parameter display fields for displaying adjustable parameters of operating states of the operating lamp, and a control element, such as a manipulable knob, for setting those parameters. The same ... | 06/29/2010 |
| 7541753 | Starter for low-pressure discharge lamps Disclosed is a starter for AC-fed low-pressure discharge lamps that are operated on a series inductor. The starter comprises a glow fuse, a high-temperature conductor (NTC resistor) that is serially connected to the glow fuse, and a resetting bimetal switch which is... | 06/02/2009 |
| 7443111 | Liquid crystal display backlight inverter A liquid crystal display backlight inverter including a first error amplifying unit receiving and comparing a first detection voltage corresponding to a current flowing through a lamp with a first preset reference voltage and outputting a first error voltage corresp... | 10/28/2008 |
| 7436134 | Cyclical, aquarium and terrarium light The aquarium or terrarium light systems simulates rising and setting of the sun. A housing contains two lamps, one variable lumen output for graduated light output and the other for full ON or OFF lighting. The light fixture contains a timer/dimming unit to variably... | 10/14/2008 |
| 7432670 | Device for turning on high-pressure discharge lamp and lighting apparatus equipped with the device Even if a DC output voltage of a step-down chopper circuit (3) is lowered from a value in a non-lighted state or a no-load state due to a discharge occurring between conductors (105a) in a cable (104), the turn on detection circuit (26... | 10/07/2008 |
| 7420337 | System and method for open lamp protection A method for responding to an open lamp condition in a discharge lamp system is disclosed. The method monitors a current feedback signal flowing through a lamp and a voltage feedback signal indicative of a voltage across said lamp. A switch is used to switch between... | 09/02/2008 |
| 7394211 | Step down power management system for LED flashlight A micro-controller and a converter circuit provide constant current to light emitting diode array from a power supply with greater voltage than the forward bias voltage of the light emitting diode. A micro-controller operatively coupled with a semiconductor switch a... | 07/01/2008 |
| 7385359 | Information systems An embodiment of this invention relates to an intelligent lighting device that can receive signals and change the illumination conditions as a result of the received signals. The lighting device can change hue, saturation, and brightness as a response to received si... | 06/10/2008 |
| 7368884 | DC/DC converter A control circuit of a DC/DC converter is provided for supplying a driving voltage to a light emitting element. A hysteresis comparator compares a detection voltage that corresponds to the output voltage of the DC/DC converter with two threshold voltages. If the det... | 05/06/2008 |
| 7369386 | Overcurrent protection for solid state switching system Current sensing resistors are connected directly to output terminals of MOSFETs forming the series switching stage of a PWM sinewave dimmer. An analog sensed current signal is coupled through an EMI resistant current link to comparators that provide an overcurrent i... | 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 |
| 7355353 | Illumination control circuit It is an object of the invention to provide an improved illumination control circuit comprising a light emission element FL, a driving element 5 for driving the light emission element FL, and a compensation unit 8 are connected in series with respect t... | 04/08/2008 |
| 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 |
| 7336037 | Intelligent electrical switching device The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a micro... | 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 |
| 7323826 | Anti-cycling control system for luminaires An anti-cycling luminaire control system may detect repeated lamp-off conditions and interrupt power to the lamp and provide an indication of lamp cycling after a predetermined number of lamp-off conditions has been detected. The control system also provides a cool-... | 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 |
| 7316359 | Multi-spray multi-light fountain A housing suitable for partial immersion in a pool or pond supports a plurality of electric lamps together with a plurality of fountain nozzles. The fountain nozzles are coupled to a nozzle flow distributor which is operative to direct water flow to one or more of t... | 01/08/2008 |
| 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 |
| 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 |
| 7298090 | Light assembly having light changing device A light facility includes one or more batteries disposed in a housing, a processor device includes two power terminals coupled to the batteries and includes a switch terminal and a key terminal and three light terminals, a light device may be energized by the batter... | 11/20/2007 |
| 7294977 | Lamp dimming system and methods A system and related methods for operating a lamp. The system and method provide for ON/OFF control such that the light source illuminates in predefined steps and is reduced in predefined steps. Turning ON the light source may include powering the light source in on... | 11/13/2007 |
| 7294978 | Efficient lighting A method for efficient lighting includes supplying power to a light source to control the intensity of light emitted from the light source according to an intensity waveform. The amplitude of the waveform over one period is at a high level for a first time interval ... | 11/13/2007 |
| 7290895 | File system for a stage lighting array system A file system for a stage lighting system that maintains the different files associated with the stage lighting system. Each of the files that can represent an effect are maintained within the system within a configuration file. The configuration file can be updated... | 11/06/2007 |
| 7291986 | Step sinusoidal voltage controlling method for hid, flourescent and incandescent light dimming applications A step voltage controlling device and method for High Intensity Discharge (HID) light dimming applications includes an autotransformer, voltage sensing block, current sensing block, pulse forming block, microprocessor control unit (MCU) block and plural three switch... | 11/06/2007 |
| 7276025 | Electrical adapter for medical diagnostic instruments using LEDs as illumination sources An adapter for permitting a medical diagnostic instrument having an illumination source including at least one LED (light emitting diode) to be used with a power supply normally configured for use with a diagnostic instrument having at least one incandescent lamp as... | 10/02/2007 |
| 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 |
| 7274160 | Multicolored lighting method and apparatus Illumination methods and apparatus, in which a first number of first light sources are adapted to generate first radiation having a first spectrum, and a second number of second light sources are adapted to generate second radiation having a second spectrum differen... | 09/25/2007 |
| 7268497 | Lighting device with night light and human body sensing capability A lighting device with night light and human body sensing capability includes a first illumination device, a second illumination device, a sensor and a main body. The first illumination device is designed to illuminate a local predetermined area, and the second illu... | 09/11/2007 |
| 7261433 | Miniature flashlight having replaceable battery pack and multiple operating modes A method and apparatus are provided for operating a flashlight using a light emitting diode as a primary light source. The method includes the steps of activating the light emitting diode as the primary light source of the flashlight under one of a plurality of diff... | 08/28/2007 |
| 7259528 | Data converter for a lighting system, and method for operating a lighting system A data converter for a lighting system, has a data input for the data converter to communicate with a central control device of the lighting system, a data output for the data converter to communicate with lamp operating elements, and an evaluation unit for evaluati... | 08/21/2007 |
| 7259524 | Apparatus and methods for regulating delivery of electrical energy Apparatus and methods for regulating delivery of electrical energy to a lighting load are disclosed. An electrical waveform is received from a source of electrical energy. An integration value is generated based on a square of an amplitude of the received waveform. ... | 08/21/2007 |
| 7256549 | Three electrode arc-discharge lamp A method of operating an arc discharge lamp that has first and second electrodes is described. First, the first electrode is heated with a third electrode with a first arc until the first electrode temperature is sufficiently elevated to allow for thermionic emissio... | 08/14/2007 |
