US Patent 9539164 System for indoor guidance with mobility assistance

An indoor guidance system for a blind or visually impaired person. The system uses a mobile device (Smartphone, tablet, etc.) to provide maps and visual and voice guidance to assist individuals in navigating through indoor locations. Special maps are transmitted to the mobile device upon entering the facility, or downloaded in advance. The software and maps provide assistance to the user, to guide them through the facility. The system uses a combination of GPS and other technologies (Bluetooth, infrared, Wi-Fi, RFID, etc.) to provide extremely detailed and accurate location information to the user.