Navigation system utilizing audio CD player for data storage
First Claim
1. In a navigation system which includes data storage means for storing a database containing map data and navigation information, means for storing software for controlling the system and effecting route selection in cooperation with the database, and a navigator processor connected to the means for storing software for operating the navigation system under control of the software, the improvement wherein said data storage means comprise:
- a) an audio CD player having a read head and means for positioning said read head in response to positioning signals from said navigator processor; and
b) a CD storing the database in an audio format, said CD being playable by said player.
3 Assignments
0 Petitions
Accused Products
Abstract
An audio navigation system incorporating an audio CD player for playing an audio format CD constituting a data storage medium for the navigation system. The CD may store a database containing map data and navigation information, software including an algorithm for selecting a desired route between a designated starting point and destination, and speech data for generating audible spoken statements through a sound system. The audio CD player may be part of a sound system and may also play audio CDs carrying musical selections.
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Citations
12 Claims
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1. In a navigation system which includes data storage means for storing a database containing map data and navigation information, means for storing software for controlling the system and effecting route selection in cooperation with the database, and a navigator processor connected to the means for storing software for operating the navigation system under control of the software, the improvement wherein said data storage means comprise:
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a) an audio CD player having a read head and means for positioning said read head in response to positioning signals from said navigator processor; and b) a CD storing the database in an audio format, said CD being playable by said player. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. In a navigation system which includes a data storage device for storing a database containing map data and navigation information, a storage medium for storing software for controlling the system and effecting route selection in cooperation with the database, and a navigator processor connected to the means for storing software for operating the navigation system under control of the software, the improvement wherein said data storage device comprises:
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a) an audio CD player having a read head and means for positioning said read head in response to positioning signals from said navigator processor; and b) a CD storing the database in an audio format, said CD being playable by said player.
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Specification