Brunel University

Langtao Lui

Wamadeva Balachandran

A navigation system, used for example to navigate visually handicapped people, uses a satellite system such as the GPS system to locate the user via a user held receiver (,). A two-way communication system such as a digital telephone (,) communicates with a central service center (,) at which the user's exact location and navigational information can be determined. There is preferably provided a human-to-human information interface (,). The use of a two-way communication system (,) enables some of the components (,) to be kept at a remote and stationary base station (,).

Growing community of inventors

Singapore, Singapore

Langtao Lui