Patent · US Active

Navigation device

US8618958B2 · kind B2 · utility

1Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 11, 2009
Grant dateDec 31, 2013
Priority date
Expiry dateJan 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.