Birch, Stewart, Kolasch & Birch, LLP
Navigation device
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. 
Mitsubishi Electric Corporation
G G H H G G G
G10L G10L H04L H03G G01C G06F G06F
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Asako Takahisa Takuya Yoshihiko
Omote Aoyagi Taniguchi Mori