SENSOR WINDOW WITH INTEGRATED ISOLATION FEATURE
First Claim
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1. A portable electronic device comprising:
- a housing having an opening extending from an interior surface of the housing to an exterior surface of the housing;
a photosensor window positioned within the opening, the photosensor window including;
a first transparent region that allows light from a photoemitter positioned within the housing to pass through the opening;
a second transparent region that allows light to pass through the opening and be received by a photodetector that is positioned within the housing; and
an opaque region positioned between and optically isolating the first transparent region from the second transparent region.
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Abstract
An integrated window for a photosensor for use in an electronic device has first and second transparent regions separated by an opaque region. The first transparent region allows a transmitter to emit light out of the housing of the electronic device and the second transparent region allows a receiver to receive light through the housing. The opaque region is disposed between the first and second transparent regions to isolate them from one another such that the transmitted light is isolated from the received light.
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Citations
20 Claims
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1. A portable electronic device comprising:
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a housing having an opening extending from an interior surface of the housing to an exterior surface of the housing; a photosensor window positioned within the opening, the photosensor window including; a first transparent region that allows light from a photoemitter positioned within the housing to pass through the opening; a second transparent region that allows light to pass through the opening and be received by a photodetector that is positioned within the housing; and an opaque region positioned between and optically isolating the first transparent region from the second transparent region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A wearable electronic device comprising:
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a housing including an interface region configured to be in contact with a user'"'"'s skin; an opening formed through the housing in the interface region; a physiological sensor positioned within the housing and including a photoemitter and a photodetector; a physiological sensor window affixed within the opening and including; a first transparent region positioned adjacent the photoemitter allowing light from the photoemitter to be transmitted through the opening; a second transparent region positioned adjacent the photodetector and allowing light to pass through the opening and be received by the photodetector; and an opaque region disposed between the first and the second transparent regions. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A portable electronic device comprising:
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a housing including a transparent wall; an electronic assembly enclosed within the housing and including a photoemitter and a photodetector positioned adjacent the transparent wall; and one or more opaque channels formed within the transparent wall to a depth of at least one-half a thickness of the transparent wall and positioned between a photoemitter region and a photodetector region of the transparent wall. - View Dependent Claims (18, 19, 20)
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Specification