Device and Method of Automated Substrate Control and Non-Intrusive Subject Monitoring
First Claim
1. A method for automatically controlling firmness of a substrate, comprising:
- detecting presence of a subject on the substrate;
in response to detection of the presence of the subject, setting the firmness of the substrate to a base firmness equalized with atmospheric pressure;
in response to receiving a request to modify the firmness of the substrate from the base firmness to a requested firmness, setting the firmness of the substrate to the requested firmness;
detecting absence of the subject on the substrate; and
in response to detection of the absence of the subject, restoring the firmness of the substrate from the requested firmness to the base firmness.
6 Assignments
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Accused Products
Abstract
This application describes methods and devices for controlling the firmness of a substrate. In response to detecting the presence of a subject on the substrate, one method includes setting the firmness of the substrate to a base firmness equalized with atmospheric pressure. In response to receiving a request to modify the firmness of the substrate from the base firmness to a requested firmness, the method further includes setting the firmness of the substrate to the requested firmness. In response to detecting the absence of the subject, the method further includes restoring the firmness of the substrate from the requested firmness to the base firmness.
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Citations
20 Claims
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1. A method for automatically controlling firmness of a substrate, comprising:
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detecting presence of a subject on the substrate; in response to detection of the presence of the subject, setting the firmness of the substrate to a base firmness equalized with atmospheric pressure; in response to receiving a request to modify the firmness of the substrate from the base firmness to a requested firmness, setting the firmness of the substrate to the requested firmness; detecting absence of the subject on the substrate; and in response to detection of the absence of the subject, restoring the firmness of the substrate from the requested firmness to the base firmness. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for automatically controlling firmness of a substrate, comprising:
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detecting presence of a subject on the substrate; in response to detection of the presence of the subject, setting the firmness of the substrate to a base firmness equalized with atmospheric pressure; detecting identity of the subject on the substrate; in response to detection of the identity of the subject, setting the firmness of the substrate to an identity-specific firmness; detecting absence of the subject on the substrate; and in response to detection of the absence of the subject, restoring the firmness of the substrate from the specified firmness to the base firmness. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A substrate, comprising:
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a fluid bladder; a foam core disposed within the fluid bladder; one or more sensors in fluid communication with the fluid bladder; a valve having an open position allowing fluid communication between atmosphere and an interior of the fluid bladder and the foam core and a closed position blocking fluid communication between atmosphere and the interior of the fluid bladder and the foam core; and a processor configured to; detect, based on signals from the one or more sensors, presence of a subject on the substrate; in response to detection of the presence of the subject, set firmness of the substrate to a base firmness equalized with atmospheric pressure; in response to receiving a request to modify the firmness of the substrate from the base firmness to a requested firmness, set the firmness of the substrate to the requested firmness; detect absence of the subject on the substrate; and in response to detection of the absence of the subject, restore the firmness of the substrate from the requested firmness to the base firmness. - View Dependent Claims (18, 19, 20)
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Specification