Method and device for reading navigation data
AssigneeVolkswagen Aktiengesellschaft
InventorsFrank Golisch, Dieter Kriegel, Thomas Dobberkau, Stefan Sievers
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Abstract
Simplified navigation directions are provided when a navigation compact disk is not available in a shared compact disk reader. In a preferred arrangement, simplified navigation directions include heading to desired destination and/or distance to desired destination. An audio compact disk may be played while the simplified directions are provided. When a navigation compact disk is available in a shared compact disk reader, detailed directions may be calculated and provided.
Claims10
In a system wherein a navigation device is coupled to receive navigation data from a compact disk reader and an audio device is coupled to receive recorded audio information from said compact disk reader, a method for providing navigation instructions to a driver while playing recorded audio from a compact disk, comprising:
- reading navigation data from a navigation data disk in said compact disk reader and selecting destination coordinates using said navigation data;
- removing said navigation data disk from said compact disk reader;
- operating said compact disk reader to play recorded audio read from a compact disk containing prerecorded audio information;
- deriving current position information using a navigation sensor;
- and
- providing simplified directions comprising at least direction information derived from said current position data and said destination coordinates.
Dependencies are inferred from the claim text.