Safety-measures technology built in car navigation system

摘要

No less than 9 million sets of the products have already been shipped since the birth of the car navigation in 1987. The price fell in the meantime, and the performance has been improved by leaps and bounds. Many safety measures technology, such as speech recognition technology, improvement of the display system and the operativity, etc., has also been incorporated in the car navigation system. The latest trend as to the product itself and related technology is described.