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1791 results about "Electric light" patented technology
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An electric light is a device that produces visible light from electric current. It is the most common form of artificial lighting and is essential to modern society, providing interior lighting for buildings and exterior light for evening and nighttime activities. In technical usage, a replaceable component that produces light from electricity is called a lamp. Lamps are commonly called light bulbs; for example, the incandescent light bulb. Lamps usually have a base made of ceramic, metal, glass or plastic, which secures the lamp in the socket of a light fixture. The electrical connection to the socket may be made with a screw-thread base, two metal pins, two metal caps or a bayonet cap.
System to control daylight and artificial illumination and sun glare in a space
ActiveUS20050110416A1Reduce system costEliminate needLight dependant control systemsElectrical apparatusControl systemElectric light
An illumination maintenance system for maintaining a desired illumination profile in a space throughout at least a portion of a day where the illumination sources include daylight and artificial light, the system comprising a first sensor for sensing an illumination level in at least a portion of the space, at least one window treatment for at least one opening for allowing daylight into the space, the window treatment selectively altering the amount of daylight entering the space, a plurality of electric lamps providing artificial light to supplement the daylight illumination of the space; the electric lamps being dimmable, a control system controlling the at least one window treatment and the plurality of electric lamps to maintain the desired illumination profile in the space, the control system controlling the plurality of electric lamps so that the dimming level of each lamp is adjusted to achieve the desired lighting profile and compensate for the daylight illumination in the space throughout at least the portion of the day; and the control system further operating to adjust the window treatment in the event of sun glare through the opening to reduce the sun glare and such that when the desired illumination profile within a defined tolerance is achieved, the control system stops varying the dimming levels of the lamps and the adjustment of the at least one window treatment.
Owner:LUTRON TECH CO LLC
Image display apparatus using current-controlled light emitting element
InactiveUS7358941B2Solve problemsUnified controlElectroluminescent light sourcesSolid-state devicesElectricityElectric light
A pixel circuit includes a driver element that is supplied with a potential from a data line. The driver element controls a value of current passing through an electric light emitting element. Upon obtaining a threshold voltage, a conductive member connected to the electric light emitting element is made to be a floating state to cause the driver element to become on-state, variations in the potential of the conductive member caused by charges passing through the driver element to flow into the conductive member are detected by a threshold voltage detector to obtain the threshold voltage of the driver element.
Owner:INNOLUX CORP
Low frequency electronic ballast for gas discharge lamps
InactiveUS20060232220A1Improve efficiencyEasy to operateElectrical apparatusElectric light circuit arrangementEngineeringLamp current
An electronic ballast for high intensity gas discharge lamps where the wave form of the lamp current is square wave providing acoustic resonance and flickering free operation. The circuit, having high efficiency, operates in a wide temperature range providing ideal ballast curve and reliable ignition for the lamps. Furthermore, significant energy saving can be achieved by its externally controlled built in dimming capability.
Owner:BALLASTRONIC
Solid state electric light bulb
InactiveUS7172314B2Improve securityIncrease in costCoupling device connectionsPoint-like light sourceElectric lightEngineering
A solid state light bulb for attachment to a lamp socket. The light bulb uses a number of super bright LEDs or color LEDs mounted within a hollow housing to replace a standard bulb such as a 60 Watt bulb. A stepped, reverse conical interior wall distributes and diffuses the light to project the appearance of a normal bulb. An upper lens of the housing may be removable to form a spot light effect.
Owner:PLASTICS INVENTIONS & PATENTS INC
Method and apparatus for the zonal transmission of data using building lighting fixtures
InactiveUS20050231128A1Electric light circuit arrangementClose-range type systemsEffect lightEngineering
This invention relates to the zonal transmission of data by the modulation of the light output of arc lamps or discharge lamps; including the visible or invisible light output of fluorescent lamps, mercury vapor lamps, high or low-pressure sodium lamps, metal-halide based lamps, or other arc or discharge lamps. The method results in an easily installed, easily maintained, and economical to purchase, optical-wave communications system which exploits the existing infrastructure of a building or facility to facilitate the transmission of data in individual zones; thereby facilitating the transmission of wide-area as well as zonal-specific data to compatible receivers, and further facilitating the determination of location of remote devices or users, and the delivery or exchange of information or data, utilizing limited range transmission techniques.
Owner:CONVERGENCE WIRELESS A CALIFORNIA CORP
Self-commissioning daylight switching system
A method of commissioning a switch to control an electric luminaire in an indoor space responsive to signals from a photosensor. A first plurality of sensor signal values is calculated when the photosensor is disposed at a first location within the space. A second plurality of sensor signal values is calculated when the photosensor is disposed at a second location within the space. A first threshold value is calculated for switching on the luminaire when light in the space is less than a first value. A second threshold value is calculated for switching off the luminaire when light in the space is greater than a second value.
Owner:RENESSELAER POLYTECHNIC INST
Trailer hitch alignment guide
An apparatus for aligning a trailer hitch and receiver includes an elongated channel or tube defining an angle, such that when the trailer is tilted back for hitching, the upper tube is substantially vertically aligned. A rubber tipped rod extends from the lower tube and contacts the vehicle when the vehicle draws near the trailer. As the rod is pushed into the lower tube, a connecting rod drives an actuator or indicating rod upwards. A calibration tube is slid over the upper tube, and is aligned along the upper tube to expose a brightly colored painted region on the indicating rod at the point where the receiver and hitch are aligned one above the other. Alternatively, the calibration tube moves a series of switches up or down, whereby the actuator is pushed by the rod to contact the switches successively to indicate the approach to and arrival at a hitching position, by the illumination of electric lights, and or by activation of an audible signal. The calibration rod may alternatively slide on the lower tube, wherein the contact rod creates or activates electrical connections within the calibration tube. The apparatus may further be incorporated into the trailer frame, before or after manufacturing. One or more of the apparatus may be placed near the rear of the trailer to aid lateral alignment, or to gauge the distance of the trailer to an object behind the trailer, either before or after hitching.
Owner:BEAREY DALE
Systems and methods for a transformer configuration with a tree topology for current balancing in gas discharge lamps
InactiveUS20050093482A1None provide any indicationImprove balanceEmergency protective circuit arrangementsElectric light circuit arrangementPower inverterGas-discharge lamp
An apparatus and methods for balancing current in multiple negative impedance gas discharge lamp loads. Embodiments advantageously include balancing transformer configurations that are relatively cost-effective, reliable, efficient, and good performing. Embodiments include configurations that are applicable to any number of gas discharge tubes, such as cold cathode fluorescent lamps. The balancing transformer configuration techniques permit a relatively small number of power inverters, such as one power inverter, to power multiple lamps in parallel. One embodiment of a balancing transformer includes a safety winding which can be used to protect the balancing transformer in the event of a lamp failure and can be used to provide an indication of a failed lamp.
Owner:MICROSEMI CORP
Trailer hitch alignment guide
InactiveUS20090194969A1Acoustic signal devicesSurveying instrumentsElectric lightElectrical connection
An apparatus for aligning a trailer hitch and receiver includes an elongated channel or tube defining an angle, such that when the trailer is tilted back for hitching, the upper tube is substantially vertically aligned. A rubber tipped rod extends from the lower tube and contacts the vehicle when the vehicle draws near the trailer. As the rod is pushed into the lower tube, a connecting rod drives an actuator or indicating rod upwards. A calibration tube is slid over the upper tube, and is aligned along the upper tube to expose a brightly colored painted region on the indicating rod at the point where the receiver and hitch are aligned one above the other. Alternatively, the calibration tube moves a series of switches up or down, whereby the actuator is pushed by the rod to contact the switches successively to indicate the approach to and arrival at a hitching position, by the illumination of electric lights, and or by activation of an audible signal. The calibration rod may alternatively slide on the lower tube, wherein the contact rod creates or activates electrical connections within the calibration tube. The apparatus may further be incorporated into the trailer frame, before or after manufacturing. One or more of the apparatus may be placed near the rear of the trailer to aid lateral alignment, or to gauge the distance of the trailer to an object behind the trailer, either before or after hitching.
Owner:BEAREY DALE
Photoelectric controller for electric street lighting
InactiveUS20080191897A1Electric signal transmission systemsElectrical apparatusLine sensorEffect light
An electric street light controller apparatus and monitoring method allows automatic street light turn-on and turn-off characteristics to be field programmable using RFID technology, lamp current magnitude recording, auxiliary sensor input, diagnostic alarming and data storage for later retrieval in a remote electric street lighting monitoring system. The apparatus and method includes, from a remotely located exciter apparatus using an antenna to transmit a specific frequency and code key to the antenna of an electric street light control and monitoring apparatus associated with the electric street light allowing remote wireless field programming of turn-on fight levels, turn-off light levels, rate of change of light levels, specific turn-on, turn-off, and turn back on sequences during dark hours, and specific remote wireless sensors or internal sensor inputs useful for radiological, biological, chemical, or environmental sensing and alarming. Additionally the method and apparatus includes a method of providing automatic diagnostics for the street lamp bulb, starter and self diagnostics of the controller itself.
Owner:MARMON UTILITY
Intelligent meter reading system
ActiveCN101236693AFriendly interfaceImprove management efficiencyElectric signal transmission systemsTariff metering apparatusManagement efficiencyEngineering
Owner:SHANGHAI JIULONG ELECTRIC POWER GROUP +2
Electric Candles
Various embodiments of electric lights are described, including those capable of being inserted and powered by a light socket. The electric lights can include a base that can be rotatably coupled to a housing coupled to the base. A flame element can at least partially extend from the housing and be illuminated via a light source that is configured to emit light on to an outer surface of the flame element.
Owner:L&L CANDLE CO LLC
Light providing apparatus attachable to umbrella and stand assembly
ActiveUS7134762B2Improve fastnessAvoid couplingLighting support devicesPoint-like light sourceElectric lightOptoelectronics
A light provider for an umbrella and stand assembly, including a body releasably attachable to the assembly, a source or sources of electric light carried by the body, to direct light away from the body, and incident light responsive means on the body to provide electrical energization for the light source, the means configured to receive incident light from a direction or directions spaced away from light directed from the source or sources.
Owner:MA
Discharge electrode, a discharge lamp and a method for manufacturing the discharge electrode
InactiveUS20050062392A1Sufficient electrical conductivityEfficient heatingPolycrystalline material growthThermionic cathodesEngineeringElectric light
A discharge electrode emitting electrons into a discharge gas, encompasses an emitter and current supply terminals configured to supply electric current to the emitter. The emitter embraces a wide bandgap semiconductor having at 300 K a bandgap of 2.2 eV or wider. Acceptor impurity atoms and donor impurity atoms being doped in the wide bandgap semiconductor, the activation energy of the donor impurity atoms being larger than the activation energy of the acceptor impurity atoms.
Owner:KK TOSHIBA
Nano-particle light emitting material, electric field light emitting diode and ink composition each using the material, and display apparatus
InactiveUS20080206565A1Improve light emission efficiencyHigh light emitting efficiencyMaterial nanotechnologySolid-state devicesElectric fieldElectric light
An object of the present invention is to provide a nano-particle light emitting material having a specific ligand and an electric field light emitting diode having high light emitting efficiency. The nano-particle light emitting material includes: a core portion formed of a nano-particle; and a shell portion formed of at least two kinds of ligands localized on a surface of the core portion, in which at least one kind of the ligands includes a hole transportable ligand, and at least one kind of the ligands includes an electron transportable ligand.
Owner:CANON KK
System for control of lights and motors
ActiveUS20080278297A1Electric signal transmission systemsTransmission/receiving by modifying power source waveCarrier signalEngineering
A system for independent control of electric motors and electric lights includes a plurality of two-wire wallstations coupled in series via power wires between an alternating-current (AC) source and a light / motor control unit. The light / motor control unit is preferably located in the same enclosure as an electric motor and an electric light and has two outputs for independent control of the motor and the light. The light / motor control unit and the wallstations each include a controller and a communication circuit that is coupled to the power wiring via a communication transformer and communicate with each other using a loop current carrier technique. The light / motor control unit and the wallstations utilize pseudo random orthogonal codes and a median filter in the communication process.
Owner:LUTRON TECH CO LLC
Lamp driver circuit and method for driving a discharge lamp
InactiveUS20100052557A1High bandwidthElectrical apparatusElectric light circuit arrangementDriver circuitLow speed
A lamp driver circuit (400) comprises a feedback circuit for controlling stable operation of a discharge lamp (La), e.g. an inductively coupled discharge lamp such as a molecular radiation lamp, and for controlling a light output level of the discharge lamp (La). In particular, if the discharge lamp (La) is operated at a dimmed light output level, the light output is sensitive to changes in the lamp voltage (VLa), possibly resulting in flickering. In order to control stable lamp operation and prevent flickering, a high-sp feedback circuit is provided for controlling an operating frequency. In order to provide a relatively large dimming range for controlling the light output level, a low-speed feedback circuit is provided for controlling a DC supply voltage level (VDC).
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV
Coupling for explosion-proof connection of two electric line ends
InactiveUS6877277B2Reliable wayWithout incurring riskSecuring/insulating coupling contact membersCouplings bases/casesElectric lightCoupling
For an explosion-proof connection of two electric line ends (25, 26), the contact elements (27, 28) are accommodated in two tubes (1, 2), which can be joined in an explosion-proof manner. Each of the plug-in contact parts is axially secured in its tube by a radial projection (41) in the direction toward the end facing the other tube. At its line end, each of the tubes is closed by an end cap (42), which sealingly surrounds with a narrow outlet (44) the electric lines, including an insulation (43). The tube, in which the plug-in contact part with the contact pins is axially secured, extends beyond the tip of the contact pins, and has there an enlarged diameter, with which it surrounds the other tube (inner tube 1,3) with a narrow cylindrical gap (sealing gap 20).
Owner:TIEFENBACH BERGBAUTECHN
Lighting device for discharge lamp
InactiveUS20050264237A1Generation of flicker can be suppressedSuppress flickerElectrical apparatusElectric light circuit arrangementVoltage converterElectric light
A lighting device for high-pressure discharge lamp for lighting the high-pressure discharge lamp by lowering or raising a DC voltage applied to an input side by a DC / DC converter circuit, then converting the DC power into an AC power by a DC / AC inverter circuit, supplying the AC power to the high-pressure discharge lamp and lighting the high-pressure discharge lamp, wherein when the polarity of the current of the high-pressure discharge lamp lit by the substantially rectangular wave is inverted, the output voltage of the DC / DC converter circuit is set to 1.5 times or more as large as the voltage at the stable lighting time of the high-pressure discharge lamp.
Owner:HARISON TOSHIBA LIGHTING CORP
Ultraviolet Discharge Lamp Apparatuses with One or More Reflectors
Apparatuses are disclosed which include a discharge lamp configured to emit ultraviolet light, a power circuit configured to operate the discharge lamp, and a reflector system configured to redirect ultraviolet light emitted from the discharge lamp. In some embodiments, the apparatuses include a support structure containing the power circuit and supporting the discharge lamp. In some of such embodiments, the reflector system is configured to redirect ultraviolet light propagating away from the support structure to a region exterior to the apparatus and which is between approximately 2 feet and approximately 4 feet from a floor of a room in which the apparatus is arranged. In other embodiments, the reflector system may be additionally or alternatively configured to redirect ultraviolet light propagating away from the support structure to encircle an exterior surface of the apparatus. In any case, the reflector system may, in some embodiments, include a repositionable reflector.
Owner:XENEX DISINFECTION SERVICES
Combination Electric Lighter and Portable Vaporization Device
InactiveUS20140217085A1Steam generation heating methodsIncandescent ignitionElectricityGeneral purpose
A combination electric lighter and portable vaporization device that functions as a dual purpose apparatus permitting a user to carry a portable vaporization apparatus that additionally functions as an electric lighter. The apparatus includes an integrated electrical source and a versatile heating element. The apparatus allows the user to ignite a plurality of smoking products but provides the option of vaporize the smoking products through the use of a vaporization device. The vaporization device can heat vaporizable material against the versatile electrically powered heating element in a manner that prevents ignition. The versatile heating element can function as a lighter, without requiring extensive configuration to light a smoking product. The apparatus is rechargeable. The component arrangement of the apparatus allows it to function as a portable electrical ignition device that can be utilized as a general purpose ignition device.
Owner:ATMOS NATION
Heat warning safety device using fiber optic cables
InactiveUS7087865B2Easy to adjustEasy to useFibre light guidesHot plates heating arrangementsElectricityFiber
Heat alert safety device for warning individuals that a surface is hot wherein a fiber optic cable runs from an electric light source to a heat warning symbol. The cable has a plurality of fibers connected at a first end thereof to the light source and transmits light from the light source beginning from the first end to the second end of the cable and shines light out of the second end of the cable to a predetermined symbol adjacent the second end of the cable. The symbol is readily visible when illuminated to an observer who can also readily see the surface and the symbol communicates that the surface of the stove, in particular, the heating element, is dangerously hot. A controller controls the light source Whenever a specified surface temperature is reached, the symbol is lit and remains lit as long as said specified surface temperature is maintained.
Owner:LERNER WILLIAM S
Arc maintenance device for high density discharge lamps including an adaptive wave form monitor
InactiveUS20050258765A1Electric light circuit arrangementGas discharge lamp usageInstabilityEngineering
A supplemental arc maintenance electrical supply for a high density discharge (HID) lamp (L) for applying a high frequency supplemental arc voltage to maintain the arc during a period of unstable or intermittent AC supply in addition to or in lieu of the voltage or current being supplied to the lamp by the HID ballast (12). AC supply instability is identified in less time than the unstable or intermittent power will cause the lamp to arc to extingish and energize a supplemental arc maintenance electrical supply to maintain the arc of the lamp during the period of instability or interruption, so long as its internal, rechargeable battery is operational. The monitoring system (18) also recognizes the re-establishment of a stable (as by being a persistently repeating cycle but not necessarily a sinusoidal AC supply) repeating electrical power supply which is also of sufficient energy level to maintain operation of the HID lamp.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV +1
Light providing apparatus attachable to umbrella and stand assembly
ActiveUS20050117326A1Improve gripIncrease brightnessLighting support devicesPoint-like light sourceElectricityElectric light
A light provider for an umbrella and stand assembly, comprising a body releasably attachable to the assembly, a source or sources of electric light carried by the body, to direct light away from the body, and incident light responsive means on the body to provide electrical energization for the light source, the means configured to receive incident light from a direction or directions spaced away from light directed from the source or sources.
Owner:MA
Lighting power source with controlled charging operation for driving capacitor
InactiveUS20110193495A1Shorten the timeEfficient power electronics conversionElectroluminescent light sourcesElectricityElectric light
A lighting power source provides AC or DC power as needed to power an electric light source. A first switching element and a diode are coupled in series across output ends of a DC power source, with a second switching element coupled across the diode. An inductor forms an output loop with the diode. A driving capacitor has a first end coupled to a node between the first switching element and the diode. A charging power source is coupled to a second end of the driving capacitor and supplied with power from the DC power source. During a charging operation, a control circuit charges the driving capacitor by turning on the second switching element while maintaining the first switching element in an OFF state. During a normal operation which follows the charging operation the control circuit repeatedly turns on / off the first switching element while maintaining the second switching element in the OFF state.
Owner:PANASONIC CORP
Refrigerating appliance, especially a refrigerator
InactiveUS7107779B2Easy to cleanThorough removalMechanical apparatusFurnace componentsElectricityElectric light
The invention relates to a refrigerating appliance, especially a refrigerator, comprising a plate which consists of photoconductive material which can be removed from the refrigerating appliance with an electric light source which comprises a first electrical or electromagnetic transmission element which interacts—in the inserted or mounted state of the plate—with a second electrical or electromagnetic transmission element applied to the refrigerating appliance, in such a way that electrical current can be transmitted from the second electrical or electromagnetic transmission element.
Owner:MIELE & CO KG
Battery powered portable electric light source systems
InactiveUS6439738B1Easy to containElectric lighting for hand-held useLighting support devicesElectricityElectric light
A battery powered portable electric light source has multiple sets of spare batteries contained in its battery compartment, whereby mixups between exhausted and fresh batteries are effectively avoided. A flashlight having a light output stronger than the mentioned electric light source is provided for use of batteries from the battery compartment of the mentioned portable container, and batteries are exchanged between that portable container and that flashlight. Apparatus for providing electric light have an electric light source requiring for energization a pair of batteries in series and a portable container for several pairs of these batteries connected each in series at a bottom of that container. Each of these several pairs of batteries includes a first battery having a first positive terminal and an opposite first negative terminal, and a second battery having a second positive terminal connected to that first negative terminal and an opposite second negative terminal. First positive terminals of first batteries of the several pairs of batteries and second negative terminals of second batteries of the several pairs of batteries are in substantially the same plane for selective application of the electric light source thereto for energization therefrom. A socket for the electric light source includes terminals corresponding to adjacent terminals of any one of the several pairs of batteries in that container. Unspent batteries in film packs may be used to energize light sources.
Owner:SUREFIRE LLC
Fluorescent bulb cover
InactiveUS20110242823A1Reduces and eliminates ultraviolet lightEvenly distributedElongate light sourcesLighting heating/cooling arrangementsGas-discharge lampElectric light
Disclosed is a cover for a compact fluorescent light employing a two piece clamshell shape assimilating a conventional incandescent light bulb. The cover is formed from two clamshells hingedly secured along a top end having inter-engaging means for securing one clamshell to a second clamshell tightly securing the cover to the base of a compact fluorescent light. In the preferred embodiment, the housing is made of material to reduce or eliminate ultraviolet light produced from a gas discharge lamp and provide a cover that can be decorative through the emulation of a conventional incandescent light bulb or decorated with colors and materials wherein the fluorescent light provides back lighting or where images are placed upon the housing so as to allow the back lighting to operate as a projection surface placing images on a wall separate from the light bulb.
Owner:TRACY LISA +1
Electrodeless discharge lamp lighting device, light bulb type electrodeless fluorescent lamp and discharge lamp lighting device
InactiveUS20050017656A1Electric light circuit arrangementGas discharge lamp usageElectric lightEffect light
An electrodeless discharge lamp operating device including an electrodeless discharge lamp 3 and a ballast circuit 4, wherein the ballast circuit 4 includes: an AC-DC converter 5 for converting a phase-controlled AC voltage into a DC voltage; a DC-AC converter 6 formed so as to intermittently drive the electrodeless discharge lamp 3 due to the existence of an operating period during which a high-frequency voltage is applied to the electrodeless discharge lamp 3 so that the electrodeless discharge lamp 3 is operated, and an extinguishing period during which the generation of the high-frequency voltage is stopped so that the electrodeless discharge lamp 3 is extinguished; and a dimming controller 7 for detecting the turn-on of the phase-controlled AC voltage, for outputting an intermittent command signal that changes the ratio between the operating period and the extinguishing period to the DC-AC converter 6, and for outputting a signal that maintains an intermittent dimmable operating state even if dimming state is in full illumination.
Owner:PANASONIC CORP
Discharge lamp ballast and projector
InactiveUS20070164687A1Improve light outputReduce light outputColor television detailsElectric light circuit arrangementDc dc converterElectric light
A DC-DC converter 111 with a switching element Q11 changes a supply of power to a HID lamp DL1. On / off of the element Q11 is controlled with a control circuit 13. The circuit 13 controls an on / off state of the element Q11 with constant lamp power control on stable operation of the lamp. The circuit 13 controls the on / off state of the element Q11 so as to provide the lamp with lamp power larger than lamp power by the constant lamp power control based on high power control for a period of time that the lamp is on. It is possible to keep temperature of electrodes and within a bulb of the lamp in a proper state through simple control, and to prevent flicker generation and electrode degradation.
Owner:MATSUSHITA ELECTRIC WORKS LTD
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