The award-winning invention recited in US2015343104A1 titled Radiated energy sterilization device and associated method relates to an electromagnetic UV radiation-emitting
lighting system for sanitizing the frequently-used surfaces of a room, while also detecting
the presence of occupants in the room. The UV radiation-emitting lighting system
is designed to detect occupants in a the room, because UV radiation is generally considered
harmful to skin and eyes. This invention is used in hospital settings for
decontamination purposes, within the context of the prevention of HAIs
(hospital-acquired infections). However, much renewed interest for this
invention now also exists within the context of the COVID 19 pandemic,
currently phasing-in the re-opening of economic activity.
The disclosed UV radiation-emitting lightbulb
system with an integrated motion detection sensor was invented by the LightingScience Group Corp. A company with a large portfolio of patents and awards-winning products, connected to NASA
collaborations and circadian rhythm research.
The abstract of this invention is included
below, below together with the patent Figure
5, illustrating the inventive UV radiation-emitting, sanitizing
lightbulb with integrated motion control. sensor. Specifically, Figure 5 depicts: the
sterilization device 100, the UV
emitting device 101, the detector 102, and a source of visible light 103 (on a different spectrum), so that the sterilization device 100 might function both as lighting, when
the room is occupied, and as a sanitizing device when the room is vacated. This
particular embodiment of the invention also includes a titanium dioxide (TiO2) dispersal
system (104) for added
photocatalysis, found most reactive in combination with 265 nm wavelength UV
light.
In general, the description of the invention
provided in the patent is unlimited to the specified embodiments. Many
different variations of the specification remain within the scope of the
invention. Variations in terms of the configuration of the light bulbs, the
types of sensors and objects or persons detected, the modes, intesity and duration or timing of light emission,
as well as the integrated processors to control emission and detection, as well
as TiO2 dispersal, when such an option is included.
A sterilization device comprising an ultraviolet (UV) electromagnetic radiation (EMR) emitting device, a detector configured to detect occupancy of a room associated with the sterilization device, and a controller operably connected to each of the UV EMR emitting device and the detector. The detector is configured to send a signal indicating occupancy to the controller upon a detection of occupancy. The controller is configured to operate the UV EMR emitting device to emit UV EMR only upon receiving a signal indicating no occupancy. [Abstract US2015343104A1]
References
Lighting Science Group Corp. : https://lsgc.com/
LightFair Internation 2012 (May 11, 2012) Lighting Science Group Ushers In The Light Ages With Advanced LED Lighting Intelligence, Control And Design https://www.ledinside.com/showreport/2012/5/lsg_201205_lfi
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