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US 10,441,087 B2Granted
Mattress with adjustable firmness
AssigneeSleep Number Corporation
InventorsKody Lee Karschnik, Wade Daniel Palashewski, Rob Nunn, Eric Rose, Samuel Hellfeld, Jerry Boyer, Steven Jay Young, Carl Hewitt
Life of this patent
Estimating the term…
Abstract
A mattress can include one or more layers of foam material, an adjustable air layer including an air bladder, and a valve. The valve can be fluidically connected to the air bladder and configured to regulate pressure of the air bladder in response to actuation. Some embodiments can include a foam material positioned inside the air bladder.
Claims19
A substrate, comprising:
- 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 an atmosphere around the substrate and an interior of the fluid bladder and the foam core and a closed position blocking fluid communication between the 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 by allowing air to escape through the valve in the open position while the subject is present on the substrate and then closing the valve to the closed position;
- 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.
9 more elements
A substrate, comprising:
- 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 an atmosphere around the substrate and an interior of the fluid bladder and the foam core and a closed position blocking fluid communication between the 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;
- 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, wherein setting the firmness of the substrate to the requested firmness includes setting the valve to the open position only for a predetermined time period, the predetermined time period being sufficient to lower the pressure within the fluid bladder and reduce 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.
9 more elements
A substrate, comprising:
- 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 an atmosphere around the substrate and an interior of the fluid bladder and the foam core and a closed position blocking fluid communication between the atmosphere and the interior of the fluid bladder and the foam core;
- and
- a control unit comprising:
- computer memory;
- 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;
- 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;
- and
- a solenoid controller configured to:
- communicate with the processor;
- and
- responsive to the communication from the processor, to actuate the valve.
17 more elements
Dependencies are inferred from the claim text.