Elastomeric pressure transduction based user interface

A stylus comprising:

• an elongate housing, the elongate housing having a cylindrical shape and defining:
• an external surface that deforms in response to a force applied to the external surface;
• and
• an interior cavity of the stylus;
• a contact point positioned at an end of the elongate housing;
• an incompressible hyperelastic material contained within the interior cavity and defining a void, the void surrounded by the incompressible hyperelastic material and containing a compressible element separate from the incompressible hyperelastic material, a shape of the void changing in response to the force applied to the external surface;
• and
• a pressure sensing element positioned at least partially within the void and generating a signal indicative of a pressure within the void.

A user input mechanism for an electronic device, the user input mechanism comprising:

• a deformable input section comprising a shell and an incompressible hyperelastic material positioned within the shell, a cross-section of the deformable input section compressing in response to a user applied force;
• a void positioned within the incompressible hyperelastic material and containing a compressible element separate from the incompressible hyperelastic material, a pressure within the void changing in response to a compression of the deformable input section;
• a pressure sensor detecting the pressure within the void;
• and
• a controller communicatively coupled with the pressure sensor and altering an operation of the electronic device at least partly in response to the pressure satisfying a threshold value.