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| Number | Title | Issue Date |
| 8183760 | Coils for electron discharge devices A mount (30) for a fluorescent lamp (32) has a glass flare (34) with a first portion (36) penetrating the fluorescent lamp (32) and a second portion (38) the fluorescent lamp (32). Two spaced-apart lead-in wires (4... | 05/22/2012 |
| 8183585 | Lighting module A lighting module comprising a base panel and a plurality of light-emitting diode (LED) chips attached directly to the base panel. The LED chips are in electrical communication with conductive traces on the base panel, which deliver a current to the LED chips. Vario... | 05/22/2012 |
| D660472 | Solid state light source display case lamp | 05/22/2012 |
| 8164876 | Transient voltage protection circuit and system incorporating the same A transient voltage protection circuit that protects a load from transient voltages is disclosed. The circuit includes a series combination of a thyristor surge protection device (TSPD), a resistor and a transorb coupled for coupling in parallel with the load, and a... | 04/24/2012 |
| 8157912 | Method of converting PCA to sapphire and converted article Polycrystalline alumina (PCA) that has been doped with magnesium oxide is converted to sapphire by additionally doping the PCA with boron oxide and sintering to induce abnormal grain growth. The boron oxide may be added to an already formed green PCA ceramic shape b... | 04/17/2012 |
| D657478 | Lamp | 04/10/2012 |
| 8139376 | Housing for electronic ballast An electronic housing assembly is formed with an environmental seal (20), EMI control (56) and a good thermal coupling (44, 46) made between enclosed hot electric components (48, 50) and an exterior heat sink (52, 54). ... | 03/20/2012 |
| 8138682 | Symmetrical RF power supply for inductively coupled electrodeless lamps A radio frequency (RF) power supply for an electrodeless lamp includes a pair of DC rails, an RF inverter having power input terminals connected between the rails, a first inductor arranged to inductively couple with an electrodeless lamp, first and second resonance... | 03/20/2012 |
| 8137586 | Phosphor blend for a compact fluorescent lamp and lamp containing same A phosphor blend for a compact fluorescent lamp is described wherein the phosphor blend comprises a green-emitting Tb3+ phosphor, a Y2O3:Eu3+ phosphor, a Sr6BP5O20:Eu2+ phosphor,... | 03/20/2012 |
| 8120272 | AC delay angle control for energizing a lamp A control circuit for a lamp. The control circuit is used in conjunction with an alternating current (AC) variable voltage power source to energize the lamp. The control circuit includes a voltage sensing component for sensing the voltage of an voltage input signal ... | 02/21/2012 |
| 8115403 | Method of starting an HID lamp and ballast incorporating same There is provided herein a method for starting a high intensity discharge lamp and a ballast incorporating the same. In a preferred embodiment, the method comprises the steps of: (a) obtaining a cumulative probability function of breakdown times, P(t), for the lamp ... | 02/14/2012 |
| 8113686 | Guideway illuminator A guideway illumination system (100) comprises a first member (16) and a second member (18) each having at least one light source (20) and at least one of the first member (16) and the second member (18) receiving a power so... | 02/14/2012 |
| D654210 | Light guide | 02/14/2012 |
| D654030 | Switch | 02/14/2012 |
| D653627 | Switch | 02/07/2012 |
| 8104939 | LED headlamp system A solid-state light source (10) comprising a plurality of LED units (12) arrayed to emit light generally about an axis (14). Each of the LED units (12) can comprise a number of LEDs, for example, up to five. They may all emit in a single ... | 01/31/2012 |
| 8102121 | Single-ended ceramic discharge lamp A single-ended ceramic discharge lamp is described which has an integral optical surface such as a parabolic or elliptical reflector. The single-ended configuration eliminates the need for the mounting structures found in double-ended lamps that can interfere with t... | 01/24/2012 |
| D652982 | Sconce shade | 01/24/2012 |
| D652968 | Solid state light source display case lamp | 01/24/2012 |
| 8083364 | Remote phosphor LED illumination system An illuminator is disclosed, in which an LED module emits short-wavelength light toward a phosphor module, which absorbs it and emits wavelength-conditioned light. The emission is generally longitudinal, with a generally Lambertian distribution about the longitudina... | 12/27/2011 |
| 8076865 | Ignition for ceramic metal halide high frequency ballasts A high frequency ballast for a metal halide lamp comprises a controller, a switch, and an oscillator. The controller selectively enables and disables the oscillator via the switch to ignite the lamp. The switch is in a power supply loop of the oscillator and selecti... | 12/13/2011 |
| 8076860 | Power converter and power conversion method with reduced power consumption A power converter and power conversion method converts an input AC signal to a voltage usable by a load while reducing power consumption, thereby making the converter and method suitable for a wider range of applications. A rectifier receives the AC input signal and... | 12/13/2011 |
| 8074800 | Linear lamp cell pack A tray for supporting linear lamps in large cartons may be made to nest in one orientation and on rotation by 180 degrees may stack to form a latched array of lamp cradles. The cradle walls are formed along their lengths with alternating lengths and gaps. The altern... | 12/13/2011 |
| 8071997 | LED with light transmissive heat sink An more efficient or higher luminance LED assembly may be formed from a high power LED chip having a first surface, and a second surface, the first surface being mounted to a substrate; the second surface being in intimate thermal contact with a light transmissive h... | 12/06/2011 |
| 8070985 | Method of making a lead-activated strontium hexaborate phosphor There is provided a method of making a SrB6O10:Pb phosphor that increases the manufactured quantity of the SrB6O10:Pb phosphor by approximately seven fold when using the same size reaction vessel, decreases the lead-contai... | 12/06/2011 |
| 8070326 | Free-form lens design to apodize illuminance distribution A lens that angularly redistributes light from an LED is disclosed. The desired illuminance (power per area) pattern for an LED/lens combination has a relatively flat center, a knee, and a gradual tail. By overlapping adjacent combinations' tails, the resulting illu... | 12/06/2011 |
| 8063564 | Starting aid for HID lamp An arc discharge light source (10) comprises a translucent body (12) having a hollow center 14 and oppositely disposed ends (16, 18). A cathode lead-in 20 is positioned in one of the ends (16) and terminates at a first end (... | 11/22/2011 |
| 8058788 | Lamp base A method of manufacturing a flash-free lamp base (10), wherein the lamp base (10) comprises a shell (14), an eyelet (16) and a glass, electrically insulating part (18) therebetween and joining the shell (14) and the eyelet (... | 11/15/2011 |
| 8040061 | Ceramic discharge vessel having an opaque zone and method of making same An opaque zone in the polycrystalline (PCA) discharge vessel of a high intensity discharge lamp may be made by creating residual pores in predetermined regions of the final-sintered discharge vessel. The control over the placement of the opaque zone is achieved by f... | 10/18/2011 |
| 8022626 | Lighting module A lighting module comprising a base panel and a plurality of light-emitting diode (LED) chips attached directly to the base panel. The LED chips are in electrical communication with conductive traces on the base panel, which deliver a current to the LED chips. Vario... | 09/20/2011 |
| D645579 | PAR lamp | 09/20/2011 |
| 8016468 | Signal indicator lamp assembly for a vehicle A signal indicator lamp assembly (10) for a vehicle (14) has an LED assembly (16) that emits electromagnetic radiation (20), which is visible light, such as white light, that is composed of at least two wavelengths. A collimating optic ( | 09/13/2011 |
| D644759 | PAR lamp | 09/06/2011 |
| D644758 | PAR lamp | 09/06/2011 |
| 8008873 | Restart circuit for multiple lamp electronic ballast A restart circuit for causing an electronic ballast to perform a restart in response to reconnecting any lamp of a multiple lamp configuration of the electronic ballast to the electronic ballast is disclosed. The electronic ballast includes a filament health check c... | 08/30/2011 |
| D644355 | PAR lamp | 08/30/2011 |
| D644354 | PAR lamp | 08/30/2011 |
| D644353 | PAR lamp | 08/30/2011 |
| D644352 | PAR lamp | 08/30/2011 |
| 8004198 | Resetting an electronic ballast in the event of fault A ballast for driving one or more lamps includes a controller and a current reduction circuit for accelerating a controller reset. Upon detecting a fault, the controller disables the ballast for a preset period of time, and resets. The controller additionally resets... | 08/23/2011 |
