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US 9,752,930 B2Granted
Wrist-worn device for sensing ambient light intensity
AssigneeKoninklijke Philips N.V.
InventorsHenning Maass, Guido Josef Müsch
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Abstract
The invention relates to a wrist-worn device (10) for sensing ambient light intensity, comprising a plurality of light receivers arranged at different positions of the wrist-worn device (10) in different orientations to receive light from different directions (+X, −X; +Y, −Y; −Y; +Z, −Z).
Claims18
A wrist-worn device for sensing ambient light intensity, comprising:
- a plurality of light receivers arranged at different positions of the wrist-worn device in different orientations to receive light from different directions, and facilitate measurement of light from angles which impact circadian rhythm;
- an operation module, the operation module including a housing;
- and
- a wristband connected to opposite sides of the operation module, wherein the plurality of light receivers are arranged in different positions on the operation module and the wristband.
1 more element
Dependencies are inferred from the claim text.