US7430473B2 — Vehicle navigation display

Claim 1

Independent Claim 110 words

A method for display of information for a mobile navigation system comprising: selecting characteristics for display according to characteristics of features in a map database, the selecting including: identifying clusters of maneuvers of a planned route, assigning a score to each cluster of maneuvers based on the characteristics of features present at the locations of the maneuvers, determining a relatively higher scale for times when a cluster having a relatively higher score is to be displayed, and determining a relatively lower scale for times when a cluster having a relatively lower score is to be displayed; and generating an image for display of a map according to the selected characteristics.

Claim 2

Independent Claim 110 words

A method for display of information for a mobile navigation system comprising: selecting characteristics for display according to characteristics of features in a map database, the selecting including: identifying clusters of maneuvers of a planned route, assigning a score to each cluster of maneuvers based on the characteristics of features present at the locations of the maneuvers, determining a relatively higher scale for times when a cluster having a relatively higher score is to be displayed, and determining a relatively lower scale for times when a cluster having a relatively lower score is to be displayed; and generating an image for display of a map according to the selected characteristics.

Claim 3

Dependent Claim 42 words

The method of claim 1 also comprising: selecting map features for presentation on the display; in which the characteristics for display include a scale for display that varies across the display; and the image for display is generated from the selected features.

Claim 4

Dependent Claim 24 words

The method of claim 2 wherein selecting at least some of the features is performed according to a level of detail of each feature.

Claim 5

Dependent Claim 31 words

The method of claim 1 wherein the map features include at least one of a road segment, a point of interest, a traffic signal, a geographic feature, and a political region.

Claim 6

Dependent Claim 15 words

The method of claim 1 wherein the characteristics for display include a level of detail.

Claim 7

Dependent Claim 14 words

The method of claim 1 wherein the level of detail varies across the display.

Claim 8

Dependent Claim 20 words

The method of claim 1 wherein the characteristics for display include a degree of highlighting that varies across the display.

Claim 9

Dependent Claim 16 words

The method of claim 1 wherein the degree of highlighting includes a degree of image intensity.

Claim 10

Dependent Claim 17 words

The method of claim 1 wherein the degree of highlighting includes a degree of image color saturation.

Claim 11

Dependent Claim 23 words

The method of claim 1 wherein the selecting of the characteristics for display is repeated at different locations of the mobile navigation system.

Claim 12

Dependent Claim 33 words

The method of claim 1 wherein the mobile navigation system is associated with a vehicle, and the selecting of the characteristics for display is repeated as the vehicle travels over a road network.

Claim 13

Dependent Claim 25 words

The method of claim 1 wherein the method provides an increasing level of detail as the vehicle approaches a predetermined location in the road network.

Claim 14

Dependent Claim 23 words

The method of claim 1 wherein the predetermined location in the road network includes a location of a planned maneuver for the vehicle.

Claim 15

Dependent Claim 48 words

The method of claim 1 wherein the selecting of the characteristics for display includes using factors that include at least one of a position of a vehicle, a path of a route for the vehicle, a location of a maneuver on the route, and a distribution of features.

Claim 16

Dependent Claim 45 words

The method of claim 1 wherein the selecting of the characteristics for display includes selecting at least one of a greater level of detail and a larger scale for a region near the vehicle as compared to a region relatively farther away from the vehicle.

Claim 17

Dependent Claim 48 words

The method of claim 1 wherein the selecting of the characteristics for display includes selecting at least one of a greater level of detail and a larger scale for a region near the path of the route as compared to a region relatively farther away from the path.

Claim 18

Dependent Claim 48 words

The method of claim 1 wherein the selecting of the characteristics for display includes selecting at least one of a greater level of detail and a larger scale for a region near a maneuver on the route as compared to a region relatively farther away from the maneuver.

Claim 19

Dependent Claim 50 words

The method of claim 2 wherein the selecting of the characteristics for display includes selecting at least one of a greater level of detail and a larger scale for a region with a relatively greater number of features as compared to a region with a relatively fewer number of features.

Claim 20

Dependent Claim 32 words

The method of claim 2 in which the selecting further includes identifying a number N of clusters having the highest scores; and determining the relatively higher scale for the N identified cluster.

Claim 21

Dependent Claim 32 words

The method of claim 19 in which the selecting further includes determining the relatively lower scale for at least one cluster having a lower score than any of the N identified clusters.

Claim 22

Dependent Claim 22 words

The method of claim 1 wherein the characteristics for display are further selected according to a distribution of features of planned route.

Claim 23

Dependent Claim 21 words

The method of claim 1 wherein selecting the characteristics for display is performed according to a spatial density of the features.

Claim 24

Dependent Claim 30 words

The method of claim 22 wherein selecting the characteristics for display includes selecting a relatively larger scale for a higher density of features than for a lower density of features.

Claim 25

Dependent Claim 24 words

The method of claim 22 wherein selecting the characteristics for display is performed according to a density of the map features along a route.

Claim 26

Dependent Claim 17 words

The method of claim 1 wherein selecting the characteristics for display includes selecting a scale for display.

Claim 27

Dependent Claim 22 words

The method of claim 25 wherein selecting the scale for display includes selecting a scale for display that varies across the image.

Claim 28

Dependent Claim 16 words

The method of claim 1 wherein selecting the characteristics for display includes selecting detail for display.

Claim 29

Dependent Claim 24 words

The method of claim 27 wherein selecting the detail for display includes selecting a level of detail for display that varies across the image.

Claim 30

Dependent Claim 37 words

The method of claim 1 in which assigning a score to each cluster includes: assigning a score for each maneuver, computing the score for each cluster based on the scores of the maneuvers included in the cluster.

Claim 31

Dependent Claim 24 words

The method of claim 29 in which computing the score of each cluster includes: summing the scores of the maneuvers included in the cluster.

Claim 32

Dependent Claim 24 words

The method of claim 29 in which computing the score for each cluster includes: averaging the scores of the maneuvers included in the cluster.

Claim 33

Dependent Claim 132 words

Software stored on a computer-readable medium comprising instructions for causing a data processing system to: select map features for presentation on a display according to characteristics of features in a map database; identify clusters of maneuvers of a planned route, assign a score to each cluster of maneuvers based on the characteristics of features present at the location of the maneuvers determine a relatively higher scale for times when a cluster having a relatively higher score is to be displayed, determine a relatively lower scale for times when the cluster having a relatively lower shore is to be displayed select characteristics for display, the characteristics for display including a scale for display that varies across the display; and generate an image for display from the selected features according to the selected characteristics.

Claim 34

Dependent Claim 132 words

Software stored on a computer-readable medium comprising instructions for causing a data processing system to: select map features for presentation on a display according to characteristics of features in a map database; identify clusters of maneuvers of a planned route, assign a score to each cluster of maneuvers based on the characteristics of features present at the location of the maneuvers determine a relatively higher scale for times when a cluster having a relatively higher score is to be displayed, determine a relatively lower scale for times when the cluster having a relatively lower shore is to be displayed select characteristics for display, the characteristics for display including a scale for display that varies across the display; and generate an image for display from the selected features according to the selected characteristics.

Claim 35

Dependent Claim 117 words

A mobile navigation system comprising: a display; a storage for holding a map database; and a controller coupled to the display and to the storage and configured to select characteristics for display according to a distribution of features in the map database, the selecting including identifying clusters of maneuvers of a planned route, assigning a score to each cluster of maneuvers, determining a relatively higher scale for times when a cluster having a relatively lower score is to be displayed, and determining a relatively lower scale for times when a cluster having a relatively lower score is to be displayed; and generate an image for presentation of a map on the display according to the selected characteristics.

Claim 36

Dependent Claim 117 words

A mobile navigation system comprising: a display; a storage for holding a map database; and a controller coupled to the display and to the storage and configured to select characteristics for display according to a distribution of features in the map database, the selecting including identifying clusters of maneuvers of a planned route, assigning a score to each cluster of maneuvers, determining a relatively higher scale for times when a cluster having a relatively lower score is to be displayed, and determining a relatively lower scale for times when a cluster having a relatively lower score is to be displayed; and generate an image for presentation of a map on the display according to the selected characteristics.

Claim 37

Dependent Claim 47 words

The mobile navigation system of claim 33 in which the controller is also configured to select map features from the map data for presentation on a display, select characteristics including a scale for display that varies across the display, and generate the image from the selected features.

Claim 38

Dependent Claim 24 words

The system of claim 34 wherein selecting at least some of the features is performed according to a level of detail of each feature.

Claim 39

Dependent Claim 31 words

The system of claim 34 wherein the map features include at least one of a road segment, a point of interest, a traffic signal, a geographic feature, and a political region.

Claim 40

Dependent Claim 70 words

The mobile navigation system of claim 33 in which: the controller is also configured to determine a location of the vehicle and a travel route on a road network, select the map features from the map data by selecting features that are upcoming on the travel route according to the identified location of the vehicle, and include in the generated image a list of identifications of the selected map features.

Claim 41

Dependent Claim 97 words

Software stored on a computer-readable medium comprising instructions for causing a data processing system to: select characteristics for display according to a distribution of features in a map database; identify clusters of maneuvers of a planned route, assign a score to each cluster of maneuvers, determine a relatively higher scale for times when a cluster having a relatively higher score is to be displayed, determine a relatively lower scale for times when a cluster having a relatively lower score is to be displayed and generate an image for display of a map according to the selected characteristics.

Claim 42

Dependent Claim 97 words

Software stored on a computer-readable medium comprising instructions for causing a data processing system to: select characteristics for display according to a distribution of features in a map database; identify clusters of maneuvers of a planned route, assign a score to each cluster of maneuvers, determine a relatively higher scale for times when a cluster having a relatively higher score is to be displayed, determine a relatively lower scale for times when a cluster having a relatively lower score is to be displayed and generate an image for display of a map according to the selected characteristics.

Claim 43

Dependent Claim 71 words

The software of claim 38 , in which the instructions also cause the data processing system to: determine a location of a vehicle and a travel route on a road network; select the map features from map data by selecting features that are upcoming on the travel route according to the identified location of the vehicle, and include in a generated image a list of identifications of the selected map features.

Claim 44

Dependent Claim 48 words

The software of claim 39 wherein the selected map features include at least one of a cross street to the travel route, a point of interest on the travel route, a traffic signal on the travel route, and a geographic feature in the proximity of the travel route.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2011-09-30	2012-03-31	2012-09-30	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2015-09-30	2016-03-31	2016-09-30	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2019-09-30	2020-03-31	2020-09-30	$7700.00	Window Closed / Lapsed

Vehicle navigation display

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