FR3125586A1 - portable device and method for measuring ultraviolet light with a visible light sensor - Google Patents

Abstract

portable device and method for measuring ultraviolet light with a visible light sensor The invention relates to a portable UV sensor comprising a UV pass filter; a UV phosphor material; and a visible light collecting device, wherein the UV sensor is configured to receive light comprising visible light and UV light, wherein the UV pass filter directs the UV light to the UV phosphor material and the UV phosphor material fluoresces visible light in proportion to UV light from the UV pass filter, and the visible light sensing device measures the visible light that fluoresces from the UV phosphor material to determine the amount of incoming UV light in the sensor, which is correlated to the UV exposure of a subject wearing the UV sensor. Figure for abstract: 1

Description

portable device and method for measuring ultraviolet light with a visible light sensor

SUMMARY

In one embodiment, a UV sensor includes a UV pass filter; a UV phosphor material; and a visible light collecting device, wherein the UV sensor is configured to receive light comprising visible light and UV light, wherein the UV pass filter directs the UV light to the UV phosphor material and the UV phosphor material fluoresces visible light in proportion to the UV light from the UV pass filter, and the visible light sensing device measures the fluorescent visible light from the UV phosphor material to determine an amount of the incoming UV light in the UV sensor.

In one embodiment, the UV pass filter passes UV light and blocks visible light and infrared light.

In one embodiment, the UV sensor includes circuitry to wirelessly transfer data to a client device.

In one embodiment, the UV sensor includes a memory configured to store data generated by the visible light sensing device.

In one embodiment, the UV sensor includes a photodiode for measuring visible light fluorescence.

In one embodiment, a combination of the UV sensor and a client device is described, wherein the UV sensor is configured to communicate data to the client device.

In one embodiment, the client device is a smart phone.

In one embodiment, the client device is configured to display UV intensity.

In one embodiment, the client device is configured to display cumulative UV exposure.

In one embodiment, the client device is configured to process data from the UV sensor on a client device processor.

In one embodiment, the client device is configured to transfer data from the UV sensor to a server for data processing.

In one embodiment, a method of measuring UV exposure of a subject includes wearing a UV sensor by a subject; filtering UV light entering the UV sensor from visible light entering the UV sensor; triggering visible light fluorescence from the filtered UV light which is proportional to the filtered UV light; measurement of fluorescent visible light; and calculating UV light entering the sensor from the amount of fluorescent visible light to obtain an estimate of a subject's UV exposure.

In one embodiment, the method further includes transferring data from the UV sensor to a client device, wherein the client device calculates the amount of UV light entering the sensor.

In one embodiment, the client device displays the subject's UV exposure on a display device of the client device.

In one embodiment, a portable sensor includes an ultraviolet s coupled to one or more optical sensors and an ultraviolet phosphor element configured to fluoresce in the visible light spectrum in response to interrogation by an ultraviolet stimulus, wherein the portable sensor includes at least one ultraviolet pass filter assembly configured to block the visible portion of an incident optical radiation stimulus, pass the ultraviolet portion of the incident optical radiation stimulus over the ultraviolet phosphor element; and wherein the ultraviolet verification unit includes processing circuitry configured to generate one or more instances of an ultraviolet exposure level based on a portion of a detected fluorescent response of the element of ultraviolet phosphor which is in the range of 400 nanometers to 700 nanometers.

In one embodiment, the ultraviolet verification unit includes a graphical user interface configured to generate the one or more instances of the ultraviolet exposure level based on the portion of a detected fluorescent response of the element of ultraviolet phosphor which is within a range of 400 nanometers to 700 nanometers.

In one embodiment, the ultraviolet verification unit includes a graphical user interface configured to generate the one or more instances of ultraviolet exposure duration, ultraviolet exposure intensity, ultraviolet exposure severity, ultraviolet rays and a user-specific lifetime ultraviolet exposure state based on the portion of a detected fluorescent response of the ultraviolet phosphor element that falls within a range of 400 nanometers to 700 nanometers.

This summary is provided to present a selection of concepts in simplified form which are described in more detail below in the Detailed Description. This summary is not intended to identify key features of claimed subject matter, nor to be used as an aid in determining the scope of claimed subject matter.

DESCRIPTION OF DRAWINGS

The foregoing aspects and many related advantages of the present invention will be more readily appreciated as they are better understood by reference to the following detailed description, taken in conjunction with the accompanying drawings, in which:

there is a schematic illustration of a UV sensor;

there is a schematic illustration of an exploded view of the UV sensor of the ;

there is a schematic illustration of a system for measuring UV exposure of a subject with the portable UV sensor of the ;

there is a schematic illustration of a data transfer process between the UV sensor of the and a client device;

there is a process diagram of a process performed by the UV sensor of the ;

there is a schematic illustration of components of a representative client device; And

there is a schematic illustration of a portable UV sensor.

Claims (10)

UV sensor, including:
a UV pass filter;
a UV phosphor material; And
a visible light collection device, wherein the UV sensor is configured to receive light comprising visible light and UV light, wherein the UV pass filter directs the UV light to the UV phosphor material and the UV phosphor material fluoresces visible light in proportion to UV light from the UV pass filter , and the visible light sensing device measures fluorescent visible light from the UV phosphor material to determine an amount of UV light entering the UV sensor. A UV sensor according to claim 1, wherein the UV pass filter passes UV light and blocks visible light and infrared light. A UV sensor according to claim 1, comprising circuitry for wirelessly transferring data to a client device. A UV sensor according to claim 1, comprising a memory configured to store data generated by the visible light sensing device. A UV sensor according to claim 1, comprising a photodiode for measuring visible light fluorescence. Combination, comprising:
the UV sensor of claim 1; And
a client device, wherein the UV sensor is configured to communicate data to the client device. A combination according to claim 6, wherein the client device is configured to display UV intensity. A combination according to claim 6, wherein the client device is configured to display cumulative UV exposure. A combination according to claim 6, wherein the client device is configured to process data from the UV sensor on a client device processor. A combination according to claim 6, wherein the client device is configured to transfer data from the UV sensor to a server for data processing.