ON-HEAD DETECTION FOR HEAD-MOUNTED DISPLAY
First Claim
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1. A method comprising:
- receiving sensor data from an optical sensor included in a head-mountable display (HMD), the HMD including;
the optical sensor positionable in front of a lens to detect reflected light from the lens;
an image source to generate display light; and
a flexible frame assembly to support the image source and to support the optical sensor relative to the lens when worn on a head of a user, wherein the flexible frame assembly flexes such that the optical sensor moves closer to the lens when the HMD is worn by the user;
determining a proximity between the optical sensor and the lens based, at least in part, on the sensor data; and
determining whether the HMD should enter or exit a low power state based, at least in part, on the proximity between the optical sensor and the lens.
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Abstract
Embodiments of the disclosure describe an on-head detection technique for an HMD that includes an optical sensor positioned to detect light reflected from at least one of a face of a user or a lens worn by the user. A flexible frame assembly supports an image source and further supports the optical sensor relative to the face or the lens when worn by the user. The flexible frame assembly flexes such that the optical sensor moves closer to at least one of the face or the lens when the HMD is worn by the user. Embodiments determine whether the user is wearing the HMD based on optical sensor data output from the optical sensor.
90 Citations
23 Claims
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1. A method comprising:
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receiving sensor data from an optical sensor included in a head-mountable display (HMD), the HMD including; the optical sensor positionable in front of a lens to detect reflected light from the lens; an image source to generate display light; and a flexible frame assembly to support the image source and to support the optical sensor relative to the lens when worn on a head of a user, wherein the flexible frame assembly flexes such that the optical sensor moves closer to the lens when the HMD is worn by the user; determining a proximity between the optical sensor and the lens based, at least in part, on the sensor data; and determining whether the HMD should enter or exit a low power state based, at least in part, on the proximity between the optical sensor and the lens. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A head-mountable display (HMD), comprising:
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an optical sensor mounted to detect reflected light from at least one of a face of a user or a lens worn by the user when the HMD is worn on a head of the user; an image source to generate light for the HMD; a flexible frame assembly to support the image source and to support the optical sensor relative to the face or the lens when worn on the head of the user, wherein the flexible frame assembly flexes such that the optical sensor moves closer to the face or the lens when the HMD is worn by the user; and a logic module communicatively coupled to the optical sensor, wherein the logic module is configured to; receive sensor data from the optical sensor; determine a proximity between the optical sensor and the face or the lens based, at least in part, on the sensor data; and determine whether the user is wearing the HMD based, at least in part, on the proximity between the optical sensor and at least one of the face or the lens. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A non-transitory computer readable storage medium including instructions that, when executed by a processor, cause the processor to perform a method comprising:
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receiving sensor data from an optical sensor included in a head-mountable display (HMD), the HMD comprising; the optical sensor positioned to detect reflected light from at least one of a face of a user or a lens worn by the user when the HMD is worn on a head of the user; an image source to generate display light; and a flexible frame assembly to support the image source and to support the optical sensor relative to the face or the lens when worn on the head of the user, wherein the flexible frame assembly flexes such that the optical sensor moves closer to the face or the lens when the HMD is worn by the user; determining a proximity between the optical sensor and at least one of the face or the lens based, at least in part, on the sensor data; and determining whether the user is wearing the HMD based, at least in part, on the proximity between the optical sensor and at least one of the face or the lens. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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Specification