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US 5,036,311 AGranted
UV Exposure monitoring system
OwnerDan Moran, Yonatan Gerlitzinventors
Life of this patent
Estimating the term…
Abstract
A UV exposure mointoring system for measuring UV radiation impinging on an object, the system comprising apparatus for measuring incident solar UV radiation in a weighted manner corresponding to the erythemal action spectrum of human skin, whereby the accuracy of the measurements is substantially unaffected by the amgle of incidence of incoming radiation over a wide range of angles.
Claims15
A UV exposure monitoring system for measuring UV radiation impinging on an object, said UV exposure system comprising:
- a housing;
- and
- apparatus enclosed in said housing for measuring incident solar UV radiation in a weighted manner corresponding to the erythemal action spectrum of human skin, whereby the accuracy of the measurements is substantially unaffected by the angle of incidence of incoming radiation over a wide range of angles, and wherein said apparatus for measuring comprises:
- a filter formed as coating onto a spherical surface of a curved substrate;
- and
- a detector whose wavelength responses are selected such that the overall wavelength dependent response corresponds to the erythemal action spectrum of human skin and wherein said detector is disposed at the center of said spherical surface.
3 more elements
A UV exposure monitoring system for measuring UV radiation impinging on an object, said UV exposure system comprising:
- a housing;
- and
- apparatus enclosed in said housing for measuring incident solar UV radiation in a weighted manner corresponding to the erythemal action spectrum of human skin, whereby the accuracy of the measurements is substantially unaffected by the angle of incidence of incoming radiation over a wide range of angles, and wherein said apparatus for measuring comprises:
- a filter;
- and
- a detector whose wavelength responses are selected such that the overall wavelength dependent response corresponds to the erythemal action spectrum of human skin and wherein said filter is integrally formed with said detector.
3 more elements
A system for alerting humans to impending overexposure to UV radiation comprising:
- a UV exposure monitoring system comprising apparatus for measuring incident solar UV radiation in a weighted manner corresponding to the erythemal action spectrum of human skin, whereby the accuracy of the measurements is substantially unaffected by the angle of incidence of incoming radiation over a wide range of angles, said apparatus for measuring comprising:
- a filter formed as a coating onto a curved substrate;
- and
- a detector whose wavelength responses are selected such that the overall wavelength dependent response corresponds to the erythemal action spectrum of human skin,
- and wherein said filter possesses spectral transmittance characteristics which, in combination with spectral response characteristics of said detector, simulate the erythemal action spectrum of human skin;
- overexposure detection means associated with said UV exposure monitoring system;
- and
- overexposure warning means for alerting a user to impending overexposure to UV radiation.
5 more elements
A system for alerting humans to impending overexposure to UV radiation comprising:
- a UV exposure monitoring system comprising apparatus for measuring incident solar UV radiation in a weighted manner corresponding to the erythemal action spectrum of human skin, whereby the accuracy of the measurements is substantially unaffected by the angle of incidence of incoming radiation over a wide range of angles, said apparatus for measuring comprising:
- a filter formed as coating onto a curved substrate;
- and
- a detector whose wavelength responses are selected such that the overall wavelength dependent response corresponds to the erythemal action spectrum of human skin,
- and wherein said filter possesses spectral transmittance characteristics which, in combination with spectral response characteristics of said detector, simulate the erythemal action spectrum of human skin;
- overexposure detection means associated with said UV exposure monitoring system;
- and
- overexposure warning means for altering a user to impending overexposure to UV radiation
- and wherein said overexposure detection means comprises:
- means for receiving said measurements from said detector;
- means for calculating a maximal time period for which user can expose himself to UV radiation emanating from the sun within a predetermined time period without developing an erythemal reaction;
- means for measuring and storing information regarding duration of user's exposure to UV-radiation within said predetermined time period preceding contemplated further exposure;
- and
- means for calculating and providing an output indication of a residual time period for which the user can further expose himself to UV radiation emanating from the sun without developing an erythemal reaction.
11 more elements
A system for alerting humans to impending overexposure to UV radiation comprising:
- a UV exposure monitoring system comprising apparatus for measuring incident solar UV radiation in a weighted manner corresponding to the erythemal action spectrum of human skin, whereby the accuracy of the measurements is substantially unaffected by the angle of incidence of incoming radiation over a wide range of angles, said apparatus for measuring comprising:
- a filter formed as a coating onto a curved substrate;
- and
- a detector whose wavelength responses are selected such that the overall wavelength dependent response corresponds to the erythemal action spectrum of human skin,
- and wherein said filter possesses spectral transmittance characteristics which, in combination with spectral response characteristics of said detector, simulate the erythemal action spectrum of human skin;
- overexposure detection means associated with said UV exposure monitoring system;
- and
- overexposure warning means for alerting a user to impending overexposure to UV radiation
- and wherein said overexposure detection means also comprises:
- means for receiving at least one control input manually input by the user, said at least one control input representing at least one factor affecting the user's erythemal response to UV radiation, and thus affecting the maximal time duration for which the user can expose himself to UV radiation within a predetermined time period without developing an erythemal reaction.
7 more elements
A system for alerting humans to impending overexposure to UV radiation comprising:
- a UV exposure monitoring system comprising apparatus for measuring incident solar UV radiation in weighted manner corresponding to the erythemal action spectrum of human skin, whereby the accuracy of the measurements is substantially unaffected by the angle of incidence of incoming radiation over a wide range of angles, said apparatus for measuring comprising:
- a filter formed as a coating onto a curved substrate;
- and
- a detector whose wavelength responses are selected such that the overall wavelength dependent response corresponds to the erythemal action spectrum of human skin,
- and wherein said filter possesses spectral transmittance characteristics which, in combination with spectral response characteristics of said detector, simulate the erythemal action spectrum of human skin;
- overexposure detection means associated with said UV exposure monitoring system;
- and
- overexposure warning means for alerting a user to impending overexposure to UV radiation
- and wherein said overexposure warning means comprises at least one of the following means:
- means for outputting a warning signal to the user when the user can no longer expose himself to UV-radiation without risking an erythemal reaction;
- and
- means for displaying the residual time for which the user can further expose himself to the UV-radiation without developing an erythemal reaction.
9 more elements
A UV exposure monitoring system for measuring UV radiation impinging on an object, said UV exposure monitoring system comprising:
- apparatus for measuring incident solar UV radiation in a weighted manner corresponding to the erythemal action spectrum of human skin, whereby the accuracy of the measurements is substantially unaffected by the angle of incidence of incoming radiation over a wide range of angles;
- and
- alignment indication apparatus to allow user to orient generally with respect to the sun such that the angle of incidence of the incoming UV-radiation will fall within said wide range of angles.
Dependencies are inferred from the claim text.