APPARATUS COMPRISING A FLEXIBLE SHEET WITH A HOLLOW CHAMBER
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Dec 9, 2024
filing date -
Dec 9, 2024
priority date (Note) -
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Abstract
An apparatus includes a flexible sheet having a hollow chamber disposed within a thickness of the flexible sheet at a localised region of the flexible sheet, and an opening for transfer of a fluid between an exterior of the flexible sheet and the hollow chamber. A fluid source is configured to supply a fluid to the hollow chamber via the opening to cause an increase in at least one of the surface area or the volume of the flexible sheet at the localised region. A control circuit controls the fluid source. The control circuit is configured to determine a control operation by identifying a category of movement of a user and/or predicting a required change in pressure in the hollow chamber. The control circuit is further configured to implement the control operation by controlling the supply of fluid to or from the hollow chamber.
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