Navigation device
AssigneeMitsubishi Electric Corporation
InventorsTakuya Taniguchi, Takahisa Aoyagi, Yoshihiko Mori, Asako Omote
Life of this patent
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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.
Claims7
1-9. (canceled)
A navigation device comprising:
- a communication module for transmitting and receiving a signal to and from external communication equipment;
- a tone signal identifying unit for identifying a push tone signal sent thereto via said communication module from said external communication equipment;
- a voice recognition unit for performing voice recognition on a voice signal sent thereto via said communication module from said external communication equipment by using information identified by said tone signal identifying unit;
- and
- a sound volume control unit for, when receiving said voice signal from said external communication equipment via said communication module, reducing a sound volume of a transmission voice transmitted to said external communication equipment.
Dependencies are inferred from the claim text.