Monday, November 24, 2008

Undergroud navigation system

Aichi Steel Corp. said Tuesday it has developed the first navigation system employing a geomagnetic sensor that can provide location information and directions in underground malls and other complexes.

The system — comprising a geomagnetic sensor, an acceleration sensor and a microprocessor — can display current location and directions even in underground shopping malls where radio waves for the satellite-based Global Positioning System cannot be received.

Source

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