CPC A47C 27/083 (2013.01) [A47C 27/10 (2013.01); A47C 27/146 (2013.01); A47C 27/18 (2013.01); G08B 1/04 (2013.01); G08B 6/00 (2013.01)] | 21 Claims |
1. An in-bed haptic device, comprising:
a top layer defining a top external surface;
a bottom layer defining a bottom external surface;
an array of actuation cells positioned between the top layer and the bottom layer, each actuation cell of the array of actuation cells formed from a respective sheet coupled to the bottom layer and configured to expand upward in response to fluid being introduced into a respective actuation cell; and
a channel layer positioned between the bottom layer and the array of actuation cells, the channel layer formed from a second sheet defining one or more passages configured to fluidly couple the array of actuation cells to a control system, the one or more passages each extend from an edge of the second sheet and to the respective actuation cell of the array of actuation cells; wherein:
the control system is configured to introduce pressurized air into individual cells of the array of actuation cells in a predetermined sequence to provide a haptic output.
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