Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2005-03-08
2005-03-08
Black, Thomas G. (Department: 3663)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C379S142010, C379S202010, C379S266070, C370S310000, C455S039000
Reexamination Certificate
active
06865482
ABSTRACT:
An audio-based guide arrangement is provided for guiding a user along a target path by the use of stereo audio cues. The user's current location is sensed and compared to the target path. Sounds are fed to the user through left and right audio channels and these sounds are varied to indicate the user's divergence from the target path. In particular, the left and right channel sounds are varied in a complementary manner preferably by increasing the frequency of the sound in one channel whilst simultaneously decreasing the frequency of the sound in the other channel and vice versa.
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Black Thomas G.
Hewlett--Packard Development Company, L.P.
To Tuan C
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