Method of managing map information, navigation system, information terminal, and navigation device
US9542572B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2013 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Apr 16, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of managing map information including: attaching a retrieval identifier, according to input information, to map information which is obtained by retrieval based on the input information, the retrieval identifier indicating whether the map information is personal data or public data; storing the map information as the personal data into a storage device, the map information being indicated to be the personal data by the retrieval identifier attached in the attaching, and storing the map information as the public data into the storage device, the map information being indicated to be the public data by the retrieval identifier; and executing a navigation process using at least one of the personal data and the public data which are stored in the storage device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.