| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS [0015]FIG. 1 is an isometric front view of a pillow speaker embodiment. [0016]FIG. 2 is a circuit diagram of a membrane switch assembly. [0017]FIG. 3 is a circuit diagram for a configurable input/output port. [0018]FIG. 4 is a front view of a nurse call cord embodiment. [0019]FIG. 5 is a diagram for a circuit suitable for use in a nurse call cord. [0020]FIG. 6 is
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