Light-based shielding detection
AssigneeApple Inc.
InventorsSerhan O. ISIKMAN, Brian R. LAND, Erno H. KLAASSEN
Life of this patent
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Abstract
Disclosed herein is a sunscreen detector for use with portable device, such as a mobile and/or wearable device. One variation of a sunscreen detector comprises an illumination system that is configured to illuminate a target skin area with ultraviolet and/or infrared spectrum light and a sensor system that is configured to detect the amount of ultraviolet and/or infrared spectrum light that is reflected from the target skin area. The sunscreen detector is configured to analyze the data collected by the sensor system to generate a notification to the user as to whether they should apply sunscreen.
Claims21
-20. (canceled)
A device comprising:
- a sensor system comprising:
- a first sensor configured to detect ultraviolet (UV) light that has reflected off a user, wherein the UV light includes light having a reflectance in a range of UV wavelengths, and
- a second sensor configured to detect infrared (IR) light that has reflected off the user, wherein the IR light includes light having a reflectance in a range of IR wavelengths,
- wherein the sensor system is configured to generate one or more first signals indicative of the detected UV light that has reflected off the user and one or more second signals indicative of the detected IR light that has reflected off the user;
- and
- a controller configured to receive the one or more first signals and generate an indication associated with a level of UV light exposure of the user based on the one or more first signals.
A method for determining an amount of ultraviolet (UV) light exposure to a user, the method comprising:
- scanning a skin of the user;
- detecting UV light that has reflected off the skin of the user using one or more first sensors, wherein the UV light includes light having a reflectance in a range of UV wavelengths;
- generating one or more first signals indicative of the detected UV light;
- detecting IR light that has reflected off the skin of the user using one or more second sensors, wherein the IR light includes light having a reflectance in a range of IR wavelengths;
- generating one or more second signals indicative of the detected IR light;
- and
- determining the amount of UV light exposure to the user using the generated one or more first signals.
Dependencies are inferred from the claim text.