Navigation device
US8618958B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2009 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Jan 15, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G3/342
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A navigation device includes a communication module 11 for transmitting and receiving a signal to and from external communication equipment, a tone signal identifying unit 42 for identifying a push tone signal sent thereto via the communication module 11 from the external communication equipment, and a voice recognition unit 41 for performing voice recognition on a voice signal sent thereto via the communication module 11 from the external communication equipment by using information identified by the tone signal identifying unit 42.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.