Method of performing notification in personal navigation device

1. A method of performing notification in a personal navigation device, hereinafter PND, the method comprising:

determining position of the PND;

comparing the position against a plurality of restricted points of interest according to a predetermined setting corresponding to at least one point-of-interest category; and

activating an alert in the PND when the position is within a first threshold distance of one of the restricted points of interest.

2. The method of claim 1 , wherein comparing the position against the plurality of restricted points of interest according to the predetermined setting corresponding to the at least one point-of-interest category comprises comparing the position against the plurality of restricted points of interest according to a diet setting.

3. The method of claim 1 , wherein comparing the position against the plurality of restricted points of interest according to the predetermined setting corresponding to the at least one point-of-interest category comprises comparing the position against the plurality of restricted points of interest according to an alcohol setting.

4. The method of claim 1 , wherein comparing the position against the plurality of restricted points of interest according to the predetermined setting corresponding to the at least one point-of-interest category comprises comparing the position against a bakery point of interest, a liquor store point of interest, a fast food point of interest, a nicotine-related point of interest, or a caffeine-related point of interest according to the predetermined setting.

5. The method of claim 1 , further comprising:

sending a message to a support system when the position is within a second threshold distance of one of the restricted points of interest, the second threshold distance being shorter than the first threshold distance.

6. The method of claim 5 , wherein sending the message to the support system is sending an email to an email address of a member of the support system.

7. A method of performing notification in a personal navigation device, hereinafter PND, the method comprising:

determining position of the PND;

filtering a plurality of data corresponding to at least one point-of-interest category according to the position of the PND and a predetermined rule to form a notification; and

displaying the notification in the PND.

8. The method of claim 7 , wherein filtering the plurality of data corresponding to the at least one point-of-interest category according to the position of the PND and the predetermined rule to form the notification comprises filtering price data according to the position of the PND and the predetermined rule to form the notification.

9. The method of claim 8 , wherein filtering the price data according to the position of the PND and the predetermined rule to form the notification comprises filtering the price data according to the position of the PND and a price threshold to form the notification.

10. The method of claim 7 , wherein filtering the plurality of data corresponding to the at least one point-of-interest category according to the position of the PND and the predetermined rule to form the notification comprises filtering product name data according to the position of the PND and the predetermined rule to form the notification.

11. The method of claim 10 , wherein filtering the product name data according to the position of the PND and the predetermined rule to form the notification comprises filtering the product name data according to the position of the PND and a product name to form the notification.

12. The method of claim 7 , wherein filtering the plurality of data corresponding to the at least one point-of-interest category according to the position of the PND and the predetermined rule to form the notification comprises filtering event names and corresponding event times according to the position of the PND and the predetermined rule to form the notification.

13. The method of claim 12 , wherein filtering the event names and corresponding event times according to the position of the PND and the predetermined rule to form the notification comprises filtering the event names and corresponding event times according to the position of the PND and a range of dates and times to form the notification.

14. The method of claim 7 , wherein filtering the plurality of data corresponding to the at least one point-of-interest category according to the position of the PND comprises:

comparing location data of the plurality of data with the position of the PND; and

filtering the plurality of data corresponding to the at least one point-of-interest category when the location data is within a predetermined threshold distance of the position of the PND.

15. The method of claim 7 , wherein filtering the plurality of data corresponding to the at least one point-of-interest category according to the position of the PND and the predetermined rule to form the notification comprises filtering the plurality of data corresponding to the at least one point-of-interest category according to the position of the PND and a distance threshold to form the notification.

16. The method of claim 7 , wherein filtering the plurality of data corresponding to the at least one point-of-interest category according to the position of the PND and the predetermined rule to form the notification comprises filtering gas station locations and corresponding gasoline prices according to the position of the PND and the predetermined rule to form the notification.

17. The method of claim 16 , wherein filtering the gas station locations and corresponding gasoline prices according to the position of the PND and the predetermined rule to form the notification comprises filtering the gas station locations and corresponding gasoline prices according to the position of the PND and lowest gasoline price to form the notification.

18. The method of claim 16 , wherein filtering the gas station locations and corresponding gasoline prices according to the position of the PND and the predetermined rule to form the notification comprises filtering the gas station locations and corresponding gasoline prices according to the position of the PND and whether the gasoline prices are lower than a national average gasoline price by a predetermined threshold.

19. A method of performing notification in a personal navigation device, hereinafter PND, the method comprising:

determining a route of the PND;

filtering a plurality of data according to the route of the PND and a predetermined rule set by a user of the PND to form a notification; and

displaying the notification in the PND.

20. The method of claim 19 , wherein filtering the plurality of data according to the route of the PND and the predetermined rule set by a user of the PND to form the notification comprises filtering price data according to the route of the PND and the predetermined rule to form the notification.

21. The method of claim 19 , wherein filtering the plurality of data according to the route of the PND and the predetermined rule set by a user of the PND to form the notification comprises filtering weather forecast data according to the route of the PND and the predetermined rule to form the notification.

22. The method of claim 21 , wherein filtering the weather forecast data according to the route of the PND and the predetermined rule set by a user of the PND to form the notification comprises filtering the weather forecast data according to the route of the PND and dangerous weather along the route.

23. The method of claim 19 , wherein filtering the plurality of data according to the route of the PND and the predetermined rule set by a user of the PND to form the notification comprises filtering gas station locations and gasoline prices according to the route of the PND and the predetermined rule to form the notification.

24. The method of claim 23 , wherein filtering the gas station locations and the gasoline prices according to the route of the PND and the predetermined rule set by a user of the PND to form the notification comprises filtering the gas station locations and the gasoline prices according to a predetermined threshold and a predetermined distance from the route.