US Patent 9959781 Navigation system

The technology disclosed herein includes a navigation system for a visually impaired person to navigate a public restroom. The navigation system may include a plurality of fixtures, a plurality of installations, wherein each installation is electronically connected to a fixture, and an electronic device, the electronic device configured to receive auditory or tactile signals from each installation and produce a signal indicative of a fixture location. The plurality of fixtures may include a toilet, a urinal, a sink, a soap dispenser, and a hand drying apparatus.