Map data update method and navigation apparatus
First Claim
1. A map data update method of updating nationwide updated version map data using route-specific update data, and of updating the nationwide updated version map data to the next nationwide updated version map data using nationwide update data, comprising the steps of:
- performing map data updating in a background of navigation control, and giving priority to update processing using route-specific update data over update processing using nationwide update data; and
for map files updated using route-specific update files included in the route-specific update data, performing an update using the nationwide update files included in nationwide update data and then performing an update using the route-specific update files.
1 Assignment
0 Petitions
Accused Products
Abstract
A navigation apparatus is disclosed comprising update functions to update nationwide updated version map data using route-specific update data, and to update the nationwide updated version map data to the next nationwide updated version map data using nationwide update data. A map update processing portion of this navigation apparatus performs updates of map data in the background of navigation control, gives priority to update processing using the route-specific update data over update processing using the nationwide update data, and, if map files to be updated using route-specific update files included in the route-specific update data have not been updated using the nationwide update data, performs updates using the nationwide update data, and then performs updates using route-specific update files.
-
Citations
14 Claims
-
1. A map data update method of updating nationwide updated version map data using route-specific update data, and of updating the nationwide updated version map data to the next nationwide updated version map data using nationwide update data, comprising the steps of:
-
performing map data updating in a background of navigation control, and giving priority to update processing using route-specific update data over update processing using nationwide update data; and
for map files updated using route-specific update files included in the route-specific update data, performing an update using the nationwide update files included in nationwide update data and then performing an update using the route-specific update files. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A map data update method of updating first nationwide updated version map data using first route-specific update data thereby first route-specific update map data generates, and updating the first nationwide updated version map data to a second nationwide updated version map data using nationwide update data, comprising the steps of:
-
when performing an update using second route-specific update data or the nationwide update data after updating using the first route-specific update data, returning the first route-specific update map data for update to the first nationwide updated version map data and then performing an update using the second route-specific update data or the nationwide update data, in a background of navigation control;
in parallel with the update processing, checking whether map files used in navigation control have been updated using the second route-specific update data or using the nationwide update data; and
if updating has not been performed, returning the map files to the first nationwide updated version map files, and then performing the update using the second route-specific update data or the nationwide update data. - View Dependent Claims (7)
-
-
8. A navigation apparatus which comprises update functions to use route-specific update data to update nationwide updated-version map data, and to use nationwide update data to update the nationwide updated version map data to the next nationwide updated version map data, comprising:
-
a storage portion, which stores map data to be used in navigation control;
a navigation control portion for performing navigation control;
an update data input portion, for input of route-specific update data and nationwide update data; and
an update processing portion, which performs map updates in a background of the navigation control, and which gives priority to update processing using the route-specific update data over update processing using the nationwide update data, and for map files updated using route-specific update files to update map files included in the route-specific update data, which updates the map files using nationwide updated files included in the nationwide update data and then updates the map files using said route-specific update files. - View Dependent Claims (9, 10, 11, 12)
-
-
13. A navigation apparatus, which comprises update functions to update first nationwide updated-version map data using first route-specific update data, thereby first route-specific update map data generates and to update the first nationwide updated version map data to second nationwide updated version map data using nationwide update data, comprising:
-
a storage portion, which stores map data to be used in navigation control;
a navigation control portion, which performs navigation control;
an update data input portion, for input of route-specific update data and nationwide update data; and
an update processing portion, which, when using the second route-specific update data or nationwide update data to perform an update after updating using the first route-specific update data, performs updating using the second route-specific update data or the nationwide update data after returning the first route-specific update map data for updating to the first nationwide updated version map data in a background of navigation control, performs a check in parallel with said update processing to determine whether map files to be used in navigation control have been updated using the second route-specific update data or using the nationwide update data, and if the map files have not been updated, returns the map files to the first nationwide updated version map files, and then performs an update using the second route-specific update data or the nationwide update data. - View Dependent Claims (14)
-
Specification