| Patent Number |
Title Of Patent |
Date Issued |
| 7270441 |
Luminaire with special ballast |
September 18, 2007 |
| A luminaire has a ballasting circuit assembly for a gas discharge lamp, with an input power connector assembly suitable for receiving and connecting with a mating multi-conductor connector assembly. A ballasting circuit in the ballasting circuit assembly is suitable for powering a gas |
| 7184251 |
Power supply with internally limited outputs for use in lighting systems for direct mounting ont |
February 27, 2007 |
| A power supply assembly for a lighting system is directly mountable onto a standard electrical junction box. The power supply circuit provides an electronically power limited output through multi-conductor power connectors. The power supply assembly is used as part of a lighting syst |
| 6860617 |
Compact luminaire |
March 1, 2005 |
| A luminaire for ceilings, which permits improved packing density for warehousing and shipping. The reflector of the luminaire is designed to permit it to be shipped in a flattened or nested state. This increases the packing density and eliminates shipping and warehousing boxes whose volu |
| 6814462 |
Under-cabinet lighting system |
November 9, 2004 |
| A low cost under-cabinet and display case lighting system that permits the highest degree of flexibility in the installation and location of luminaires for under-cabinet and display case lighting. The system consists of a high-frequency power source, an interconnection cord, and one |
| 6508567 |
Fire rated cover for luminaires |
January 21, 2003 |
| A cover used in conjunction with a lightweight luminaire for a suspended ceiling to increase the fire rating of the luminaire. The fire-rated cover being made of the same or similar material as the fire-rated ceiling tile used in the suspended ceiling; thus, providing a fire rating for t |
| 6439736 |
Flattenable luminaire |
August 27, 2002 |
| A luminaire for suspended ceilings, which permits improved packing density for warehousing and shipping. The reflector of the luminaire is designed to permit it to be shipped in a flattened state. This increases the packing density and eliminates shipping and warehousing boxes whose volu |
| 6435693 |
Lighting assemblies for mounting in suspended ceiling configured to permit more compact shipment |
August 20, 2002 |
| A troffer which can be shipped to the retailer or job site in several pieces and assembled on site. The reflector portion of the troffer is shaped, such that, one reflector can be shipped within another. This allows any number of reflectors to be nested together to increase the packi |
| 6260981 |
Luminaires, primarily for suspended ceilings, capable of being nested to reduce shipping and sto |
July 17, 2001 |
| A luminaire design for suspended ceilings, which permits improved packing density for the warehousing and shipping. The assembled luminaire comprises three or four parts: a reflector, a ballasted-socket, a lamp, and an optional diffuser or lens. The tapered design of the reflector al |
| 5841241 |
Electronic ballast for fluorescent lamps |
November 24, 1998 |
| An electronic ballasting circuit provides high efficiency ballasting for most common types of fluorescent lamps. The circuit consists of a half-bridge inverter providing a substantially squarewave voltage across a series-combination of an inductor and a capacitor. The fluorescent lamp is |
| 5041766 |
Power-factor-controlled electronic ballast |
August 20, 1991 |
| A self-oscillating half-bridge inverter is powered from a power-line-operated rectifier means providing a DC voltage with a relatively high ripple content. The inverter is loaded by way of a series-tuned high-Q LC cirucit connected across this DC voltage. A pair of fluorescenet lamps |
| 4229680 |
Lamp life extender |
October 21, 1980 |
| A thin disc-like device for attachment to the base end of an incandescent light bulb to provide an auxiliary voltage reducing circuit interfaced between the central base contacts of the light bulb and its cooperating lampholder for purposes of extending the rated life of the light bulb. |
