On-board electronic equipment for assisting a disabled or non-disabled person with movement, namely, computers, electronic proximity sensors and wireless communication devices for data transmission; computer software for electronic travel aid for a disabled or non-disabled person, recorded on digital media; electronic equipment for assisting movement using ultrasound, namely, electronic proximity sensors, earphones, loudspeakers and vibrators; electronic navigational instruments for a disabled or non-disabled person; electronic navigational instruments using ultrasound; mobile, on-board apparatus, instruments and equipment for processing information for navigational assistance and movement, namely, data and digital signal processors, inertial sensors and GNSS receivers; mobile, on-board equipment for the transmission, reception, processing and reproduction of sound, ultrasound and other signals, namely, electronic proximity sensors, computers, earphones, loudspeakers and vibrators; mobile, on-board equipment on a limb, body parts, cane, or stick for processing information from the exterior and interior environment, namely, electronic mobility aid for a disabled or non-disabled person in the nature of walking sticks and walking canes incorporating obstacle detection sensors; apparatus connected directly or via an intermediate apparatus to the Internet, namely, computers, tablet computers, and mobile phones; computer software applications for mobile phones or tablet computers, namely, electronic travel aid software for disabled and non-disabled persons that provides directions and point-of-interest information