LED lighting system for use in environments with high...

Details LED lighting system for use in environments with high... LED lighting system for use in environments with high...

2006-11-24

2009-12-08

Ton, Anabel M (Department: 2875)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C362S249070

Reexamination Certificate

active

07629570

ABSTRACT:
This invention is a non-ferrous lighting fixture and non-ferrous lighting system that can be used in areas with high magnetic fields or that require low EMI emissions, such as MRI operating rooms. This invention uses LED's to provide a high-intensity, quality white or other color light that is softened by reflectors and diffusers, and can be dimmed to provide flexible lighting levels. The flexible lighting levels can range from the maximum light used for patient procedures and equipment servicing/maintenance to the lowest light level used to keep a patient comfortable while facing upward on the MRI scanning table. Moreover, by using an aluminum substrate printed circuit board, this invention resolves the thermal issues associated with high-intensity lighting. Not only does this invention resolve glare and hot spot issues, it protects the user and installer from electrical hazards associated with potentially high voltages, as well. Finally, because this invention is completely non-ferrous, it does not interfere with the integrity of the MRI equipment's readings.

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