Patent ID: 8538756

Claim:
An in-vehicle device configured to be equipped to a vehicle, the in-vehicle device comprising: an indication unit having an indication screen and configured to indicate an icon which corresponds to a gadget, on the indication screen to function as an operation receiving unit configured to receive a gadget start operation performed by a user; a traveling state acquisition unit configured to obtain a traveling state of the vehicle; a voice input unit configured to receive a voice uttered by a user; a voice recognition unit configured to recognize a voice uttered by a user and received by the voice input unit; a storage unit configured to store a correspondence between a voice command and a display mode modification operation; and a control unit configured to perform a display mode modification operation, which is stored in the storage unit and corresponding to a voice command to modify a display mode of an icon indicated on the indication screen when all of the following occur: i) the control unit determines that the vehicle is traveling, according to a traveling state of the vehicle obtained by the traveling state acquisition unit, ii) the voice recognition unit recognizes a voice, which is uttered by a user and received by the voice input unit; and iii) the control unit determines that the recognized voice corresponds to the voice command stored in the storage unit, the control unit is further configured to select the icon as an object for which the display mode is to be modified according to the operation of the user to the icon, and activate the voice recognition unit for a predetermined period to determine whether the recognized voice corresponds to the voice command for the display mode modification operation included in the correspondence table, when the control unit determines that the vehicle is traveling and that the operation is performed by the user to the icon and that the operation of the user to the icon is the display mode modification operation.