Patent ID: 9648155
Date: 2017-05-09
CPC Classifications: G01C,H04M

Claim:
1. In combination an onboard device and a separate mobile terminal that performs communication with the onboard device, wherein: the onboard device comprises: a first processor programmed to control functions of the onboard device, the first processor including a reception unit configured to receive a sound played by an application program operating in a foreground of the mobile terminal; an output unit configured to output the sound received by the reception unit; an acquisition unit configured to acquire instructions inputted to the onboard device to switch a sound source by selecting application programs of the mobile terminal; and a transmission unit configured to transmit instructions to the mobile terminal including information indicating an application program which is executed in the mobile terminal, the information directing switching an application program having been in operation in a foreground until immediately before in the mobile terminal, to a background, and switching an application program having been in operation in a background until immediately before in the mobile terminal, to a foreground, to switch a sound source acquired by the acquisition unit; and the mobile terminal comprises: a second processor programmed to control functions of the mobile terminal, the second processor including a communication control unit configured to control reception of the instructions from the onboard device to switch a sound source of the mobile terminal; a switching unit configured to switch the application program having been in operation in a foreground until immediately before, to a background, on the basis of the received information instructing to switch a sound source, and to switch an application program having been in operation in a background until immediately before, to a foreground, based on the instructions received from the onboard device; and a sound control unit configured to stop playing a sound of the application program having been in operation in a foreground until immediately before, and to start playing a sound of the application program having been in operation in a background until immediately before, based on the switch by the switching unit.