US Patent 9798387 Multipurpose computer mouse

A computer input device system that includes a finger-wearable input unit that is capable of providing inputs in a two-dimensional plane or in three-dimensional space. The inventive subject matter also includes a mouse frame that receives the finger-wearable unit, allowing a user to quickly transition from the finger-wearable unit to the mouse frame for traditional table-top mouse operation and back. The mouse frame includes features that allow for simple, easy and precise docking and undocking of the finger-wearable unit. The finger-wearable unit can be made up of separable modules and links that allow for reconfiguration of the finger-wearable unit according to a user's needs.