NAVIGATION DEVICE AND METHOD FOR MARKING TRAFFIC CONDITIONS ON NAVIGATION MAP
First Claim
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1. A navigation device comprising:
- a data storage for storing a navigation map, a keyword database storing a plurality of keywords, wherein the plurality of keywords are grouped into road keywords and traffic condition keywords, each road keyword being mapped to a road on the navigation map, and each traffic condition keyword corresponding to a traffic condition and being designated a traffic condition mark;
a display for displaying the navigation map;
an audio receiving unit for receiving audio forwarded by a radio device; and
a processing unit comprising;
an audio analyzing module for receiving the audio forwarded by the radio device, and seeking to obtain road keyword and traffic condition keyword associated with the road keyword in the audio after the audio has been converted to a digital signal;
a traffic condition marking module for determining the corresponding road on the navigation map of the detected road keyword and determining designated traffic condition mark of the associated traffic condition keyword of the road keyword, and marking the determined road on the navigation map with the determined traffic condition mark.
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Abstract
A navigation device includes a data storage for storing a navigation map, and a keyword database. The keyword database stores a number of keywords. The number of keywords are grouped into road keywords and traffic condition keywords. Each road keyword is mapped to one road on the navigation map and each traffic condition keyword corresponds to a particular traffic condition. The navigation device detects road keywords and the traffic condition keywords associated with the detected road keywords in the received audio and marks the traffic condition on the corresponding road on the navigation map according to the detected road keyword and any associated traffic condition.
16 Citations
9 Claims
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1. A navigation device comprising:
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a data storage for storing a navigation map, a keyword database storing a plurality of keywords, wherein the plurality of keywords are grouped into road keywords and traffic condition keywords, each road keyword being mapped to a road on the navigation map, and each traffic condition keyword corresponding to a traffic condition and being designated a traffic condition mark; a display for displaying the navigation map; an audio receiving unit for receiving audio forwarded by a radio device; and a processing unit comprising; an audio analyzing module for receiving the audio forwarded by the radio device, and seeking to obtain road keyword and traffic condition keyword associated with the road keyword in the audio after the audio has been converted to a digital signal; a traffic condition marking module for determining the corresponding road on the navigation map of the detected road keyword and determining designated traffic condition mark of the associated traffic condition keyword of the road keyword, and marking the determined road on the navigation map with the determined traffic condition mark. - View Dependent Claims (2, 3, 4, 5)
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6. A method for marking traffic conditions on a navigation device storing a navigation map, a keyword database storing a number of keywords, wherein the number of keywords are grouped into road keywords and traffic condition keywords, each road keyword maps one road on the navigation map, each traffic condition keywords corresponds to one traffic condition and is designated a traffic condition mark, comprising:
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receiving audio forward by a radio device by an audio receiving unit; seeking to obtain road keywords and traffic condition keywords associated with the road keywords in the audio after it has been converted to digital signal; determining the corresponding road on the navigation map of the detected road keyword and determining designated traffic condition mark of the associated traffic condition keyword of the road keyword; and marking the determined road on the navigation map with the determined traffic condition mark. - View Dependent Claims (7, 8, 9)
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Specification