LUMINAIRE WITH DISINFECTION LIGHT EXPOSURE AND DOSAGE LIMIT CONTROL PROTOCOL AND SENSOR INTEGRATION
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United States of America Patent
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Issued Date -
Jul 18, 2024
app pub date -
Jan 29, 2024
filing date -
Aug 28, 2020
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Abstract
A luminaire includes a luminaire control circuit and a disinfection light source to emit a disinfection light in an ultraviolet (UV) band for disinfecting a vicinity of a space of a target pathogen that is exposed to the disinfection light. The UV band is 200 nanometers (nm) to 230 nm wavelength. The luminaire initiates a dose cycle of a vicinity in which the disinfection light source emits the disinfection light continuously or during a plurality of periods of a dose cycle from the disinfection light source by recording a beginning time of the dose cycle. The luminaire controls, via a driver circuit, the disinfection light source over the dose cycle to emit the disinfection light continuously or during the plurality of periods for disinfecting the vicinity to substantially obtain a target pathogen UV radiation level and restrict a total UV radiation threshold exposure level by a UV radiation threshold limit.
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