Map information management system and map information distribution system

• US 20100011022A1
• Filed: 10/02/2007
• Published: 01/14/2010
• Est. Priority Date: 10/12/2006
• Status: Active Grant

• Current Assignee: Aisin AW Company Limited (Aisin Corp.), Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation), Toyota Mapmaster Incorporated (Toyota Motor Corporation), Zenrin Company Limited (Zenrin)
• Original Assignee: Aisin AW Company Limited (Aisin Corp.), Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation), Toyota Mapmaster Incorporated (Toyota Motor Corporation), Zenrin Company Limited (Zenrin)
• Inventors: Yano, Kenji, Uchiyama, Koji, Miyazaki, Kaname, Ochi, Yuichi, Sugimoto, Hironobu, Maekawa, Kazuteru, Matsumoto, Yoshikatsu, Tsujiko, Masahiro, Koshiba, Sadahiro
• Granted Patent: US 8,892,522 B2
• Time in Patent Office: Days
• US Class Current: N/A
• CPC Class Codes: G01C 21/3859 Differential updating map data
• CPC Class Codes: G01C 21/3896 Transmission of map data from central databases
• CPC Class Codes: G09B 29/10 Map spot or coordinate position indicators; Map reading aids optical projection apparatus per se G03B

Abstract

There is provided a map information providing technology that can keep map information very fresh at all times.

A map information management system has a map to be updated DB for storing map data to be updated that is used to update and maintenance, a map to be provided DB for storing map data to be provided that is distributed, an updated data DB for storing updated data for updating the map data to be provided, a map DB update means for updating the map data to be updated when the updated data for updating the map data of the map data to be updated DB is input, an updated data creation mean for creating the differential data before and after it is updated by the updated data and storing the differential data in the updated data DB as the updated data, and a data distribution means for extracting the map data to be provided or the updated data stored in the map to be provided DB when it receives a request to distribute the map data or the updated data from a destination system and distributing it to the destination system.

Claims

1. :

A map information management system connected to a destination system located in a destination to which map information is provided through a communication line for managing, updating, and distributing the map data, characterized by comprising;

a map to be updated database for storing map data to be updated used to update and maintain map information;

an updated data database for storing updated data for updating the map information;

a map to be provided database for storing a map data to be provided that is distributed to the destination system;

map database update means for updating, when data is input to update the map data of the map to be updated database, the map to be updated in the map to be updated database;

updated data creation means for creating the differential data of the map data to be updated before and after it is updated by the updated data and storing the differential data to the updated data database as updated data;

data distribution means for extracting, when it receives a request to distribute updated data from the destination system, the updated data stored in the updated data database in response to the distribution request and distributes it to the destination system;

update execution means for reading the map to be provided stored in the map to be provided database and the updated data stored in the updated data database, changing the map data to be provided based on the updated data, and creating tentatively revised map data to be provided;

data matching means for matching the tentatively revised map data to be provided so that the extracted updated data does not conflict with the map data to be provided, creating revised map data to be provided. and storing it in the map to be provided database; and

map data to be updated revision means for revising the map data to be updated stored in the map to be updated database by the revised map data to be provided.

2. :

The map information management system according to claim 1, characterized in that the updated data creation means comprises;

differential data creation means for creating the differential data between the map data to be updated before and after it is updated by the update data; and

transaction data creation means for creating transaction data for stipulating a transaction for updating the map data to be updated before it is updated based on the differential data and storing the transaction data in the updated data database as updated data.

4. :

The map information management system according to claim 1, characterized in that the data distribution means distributes the map to be provided data or the updated data to the destination system after it is encrypted.

5. :

The map information management system according to claim 1, characterized by comprising;

list creation means for creating a list of the updated data stored in the updated data database; and

list distribution means for distributing the list of the updated data to the destination system in response to a request from the destination system,

wherein when the data distribution means receives a request to distribute specific updated data in the list of the updated data from the destination system, it extracts the updated data stored in the updated data database in response to the distribution request and distributes it to the destination system.

6. :

A program, characterized in that the program is executed by being read by a computer to cause the computer to function as the map information management system according to claim 1.

3. (canceled)

7. :

A map information distribution system, which updates, manages, and distributes map information, is connected to a destination system as a destination to which the map information is provided through a network, characterized by comprising;

a map to be updated database for storing map data to be updated used to update and maintain map information;

an updated data database for storing updated data for updating the map information;

a map to be provided database for storing a map data to be provided that is distributed to the destination system;

map database update means for updating, when data is input to update the map data of the map to be updated database, the map to be updated in the map to be updated database;

updated data creation means for creating the differential data of the map data to be updated before and after it is updated by the updated data and storing the differential data to the updated data database as updated data;

data distribution means for extracting, when it receives a request to distribute updated data from the destination system, the updated data stored in the updated data database in response to the distribution request and distributes it to the destination system;

update execution means for reading the map to be provided stored in the map to be provided database and the updated data stored in the updated data database, changing the map data to be provided based on the updated data, and creating tentatively revised map data to be provided;

data matching means for matching the tentatively revised map data to be provided so that the extracted updated data does not conflict with the map data to be provided. creating revised map data to be provided, and storing it in the map to be provided database; and

map data to be updated revision means for revising the map data to be updated stored in the map to be updated database by the revised map data to be provided,

wherein the destination system comprises;

a destination map database for storing destination map data used in the destination system;

distribution request means for transmitting a request to distribute updated data to the map information management system;

format conversion means for converting, when it receives the updated data from the map information management system, object data created based on the updated data into a format used in the destination system; and

map update means for updating the destination map data of the map to be provided database based on the object data the format of which is converted by the format conversion means.

8. :

The map information distribution system according to claim 7, characterized in that the destination system comprises;

data extraction means for extracting, when it receives the updated data from the map information management system, the necessary updated data that is needed by the destination system from the data; and

map update means for updating the destination map data of the destination map database based on the necessary updated data extracted by the data extraction means,

wherein the format conversion means converts the object data created based on the necessary updated data extracted by the data extraction means into a format used in the destination system.

9. :

The map information distribution system according to claim 7, characterized in that the updated data creation means of the map information management system comprises;

differential data creation means for creating the differential data between the map data to be updated before and after it is updated by the update data; and

transaction data creation means for creating transaction data for stipulating a transaction for updating the map data based on the differential data and storing the transaction data in the updated data database as updated data,

wherein the data update means of the destination system comprises transaction process means for performing the transaction process which is stipulated by the transaction data that is the necessary updated data extracted by the data extraction means referring to the destination map data of the destination map data base and creating object data for updating the destination map data.

10. :

The map information distribution system according to claim 7, characterized in that;

the data distribution means of the map information management system distributes the updated data to the destination system by encrypting it; and

when the data extraction means of the destination system receives the encrypted updated data from the map information management system, it decodes the data as well as extracts the necessary updated data needed by the destination system.

11. :

The map information distribution system according to claim 7 characterized in that the map information management system comprises;

list creation means for creating a list of the updated data stored in the updated data database; and

list distribution means for distributing the list of the updated data to the destination system in response to a request to distribute the list from the destination system,

wherein when the data distribution means receives a request to distribute specific updated data in the list of the updated data from the destination system, it extracts the updated data stored in the updated data database in response to the distribution request and distributes it to the destination system, and

the destination system comprises;

list distribution request means for transmitting a request to distribute the list to the map information management system; and

list presentation means for displaying the list on a display device when it receives the list of the updated data from the map information management system and prompting a user to select updated data in the list,

wherein when the user selects the specific updated data in the list, the distribution request means transmits a request to distribute the specific updated data to the map information management system.

12-13. -13. (canceled)