ULTRAVIOLET PATHOGEN DISINFECTION SYSTEM

1 . A pathogen disinfection system for a seating arrangement having at least one table surface and at least one seating surface comprising:

a light array;

a proximity sensor; and

a controller configured to send and receive signals to the light array and proximity sensor;

wherein the light array comprises a plurality of ultraviolet (UV) light sources and a plurality of visible light sources;

wherein each UV light source of the plurality of UV light sources and each visible light source of the plurality of visible light sources is individually pointable towards a corresponding individual target surface area of the seating arrangement so that the plurality of UV light sources and the plurality of visible light sources of the light array respectively emit a plurality of individual UV and visible light beams in individual directions that combine to produce a collective light beam to illuminate and disinfect a collective target surface area of the seating arrangement that includes the at least one table surface and the at least one seating surface;

wherein each of the UV light sources is configured to emit ultraviolet light having a mean peak wavelength between 200-280 nanometer to at least partially inactivate pathogens exposed to the emitted UV light in a light path between the respective UV light source and its corresponding individual target surface area;

wherein each of the UV lights sources and visible light sources are active in a first mode to collectively illuminate the collective target surface area with UV light and a first visible light having a first color or intensity indicating that the UV light sources are active and the system is disinfecting the collective target area; and

wherein each of the plurality of visible light sources are active in a second mode to collectively illuminate the collective target surface area with a second visible light having a second color or intensity when the UV light sources are inactive;

wherein the controller is configured to send a first signal to the light array to activate the light array in the first mode and a second signal to activate the light array to in the second mode; and

wherein the proximity sensor is configured to detect the presence of a human being within the collective light beam during the first mode and to emit a signal to the controller to deactivate the first mode upon detecting the presence of a human being within the collective light beam.

2 . (canceled)

3 . The pathogen disinfection system of claim 1 , wherein the controller includes a deactivation circuit or algorithm to deactivate the light array when the deactivation circuit or algorithm determines that a target dose of UV light has been achieved on the collective target surface area.

4 . The pathogen disinfection system of claim 3 , wherein the deactivation circuit or algorithm determines that a target dose of UV light has been achieved on the collective target surface area based upon at least in part on an intensity of the UV light and the distance between each UV light source and its corresponding individual target surface area.

5 . The pathogen disinfection system of claim 1 , wherein the UV light is configured to provide a target dosage of 1-120 millijoules/cm 2 to the target location to at least partially inactivate the SARS-CoV-2 coronavirus.

6 . The pathogen disinfection system of claim 1 , further comprising a speaker device configured to produce an audio output at least when the UV light sources are active and the system is in the disinfection mode.

7 . The pathogen disinfection system of claim 1 , wherein the controller further comprises a user interface configured to operate the light array in response to user input.

8 . (canceled)

9 . (canceled)

10 . The pathogen disinfection system of claim 1 , wherein the proximity sensor is a temperature sensor configured to monitor a temperature in a predetermined range within the collective volume between the light array and the collective target surface area.

11 . The pathogen disinfection system of claim 1 , wherein the predetermined range of temperature for the proximity sensor is between 95-105 degrees Fahrenheit or over 10 degrees Fahrenheit above ambient or room temperature within the collective volume between the light array and the collective target surface area.

12 . The pathogen disinfection system of claim 1 , wherein the proximity sensor is a motion sensor configured to detect when an object or human being has moved into the UV light path within the collective volume between the light array and the collective target surface area.

13 . The pathogen disinfection system of claim 1 , further comprising a UV detector, wherein the UV detector comprises a first surface that is selected from the materials comprising at least in part photochromic pigments, dyes, or other colorants that have the property of changing color under the UV light.

14 . The pathogen disinfection system of claim 12 , further comprising a UV detector, wherein the UV detector is configured to provide the indication in response to exposure to a target dosage of 1-120 millijoules/cm 2 of the UV light, wherein the indication includes a surface of the UV detector changing colors from a first color to a second color and/or third color.

15 . The pathogen disinfection system of claim 13 , wherein the UV detector is configured to revert from the third color to the second color, or second color to the first color at least 10 seconds after exposure to the UV light ceases.

16 . (canceled)

17 . The pathogen disinfection system of claim 1 , wherein each UV light source is configured to emit the UV light at a mean peak wavelength between 210-220 nanometers.

18 . A pathogen disinfection system for a seating arrangement comprising:

a light array comprising a plurality of ultraviolet (UV) light sources and a plurality of visible light sources;

wherein the light array is disposed above a table of a seating arrangement, the seating arrangement comprising the table and at least one seating surface;

wherein each UV light source of the plurality of UV light sources and each visible light source of the plurality of visible light sources is individually configurable to be directed towards corresponding individual target surface areas of the seating arrangement so that the plurality of UV light sources and the plurality of light sources of the light array are collectively configured in individual directions to emit both UV and visible light in a plurality of individual light beams that combine to produce a collective light beam to illuminate and disinfect a collective target surface area of the seating arrangement;

wherein each UV light source is configured to emit ultraviolet light having a mean peak wavelength between 200-280 nanometer to at least partially inactivate pathogens exposed to the emitted UV light in a light path between the respective UV light source and its corresponding individual target surface area;

wherein each of the UV lights sources and visible light sources in the plurality of light source sets are active in a first mode to collectively illuminate the collective target surface area with UV light and a first visible light having a first color or intensity indicating that the UV light sources are active and the system is disinfecting the collective target area;

wherein each of the plurality of visible light sources in the plurality of light source sets are active in a second mode to collectively illuminate the collective target surface area with a second visible light having a second color or intensity when the UV light sources are inactive; and

a controller configured to send a first signal to the light array to activate the light array in the first mode and a second signal to activate the light array to in the second mode.

19 . A pathogen disinfection system for a seating arrangement comprising:

a first light array disposed above a table of a seating arrangement and configured to emit UV light in a downward direction toward the seating arrangement, wherein the seating arrangement comprises the table and at least one seating surface;

wherein the first light array comprises a plurality of individual ultraviolet (UV) light sources and a plurality of visible light sources, wherein each UV light source of the plurality of UV light sources and each visible light source of the plurality of visible light sources is individually configurable to be directed towards corresponding individual target surface areas of the seating arrangement so that the plurality of UV light sources and the plurality of light sources of the light array are collectively configured in individual directions to emit both UV and visible light in a plurality of individual light beams that combine to produce a collective light beam to illuminate and disinfect a collective target surface area of the seating arrangement;

wherein each UV light source is configured to emit UV light having a mean peak wavelength between 200-280 nanometer in a disinfection mode to at least partially inactivate pathogens exposed to the emitted UV light in a light path between the respective UV light source and its corresponding individual target surface area;

wherein each visible light source is configured to emit a visible light beam having a first color or intensity in a first mode and a second color or intensity in a second mode; and

wherein the collective light beam, in a first mode, is configured to cover the collective target surface area of the seating arrangement in both visible light of the first color or intensity to serve as warning light and UV light to disinfect the collective target surface area of the seating arrangement, and the collective light beam, in a second mode, is configured to cover the collective target surface area of the seating arrangement with only visible light of the second color or intensity to serve as ambient lighting.

20 . The pathogen disinfection system of claim 19 , wherein a second UV light source of the plurality of UV light sources is disposed below the table and is configured to emit UV light in at least upward and radially outward directions.

21 . The pathogen disinfection system of claim 20 , further comprising a table mounting assembly configured to house the second UV light source, wherein the second UV light source is attached to a center post of the table of the seating arrangement via the table mounting assembly.

22 . The pathogen disinfection system of claim 21 , wherein the table mounting assembly comprises a fastening feature for securing the table mounting assembly to the table.

23 . The pathogen disinfection system of claim 21 , wherein the table mounting assembly is configured to house a sensor array, wherein the sensor array comprises an infrared sensor, a UV sensor, a motion sensor, a proximity sensor, or some combination thereof.