1. Technical Field
The present specification relates to a mobile device and a control method thereof.
2. Discussion of the Related Art
FIG. 1 is a view showing various use examples of a mobile device.
As shown in FIG. 1, utilization of a mobile device has increased as the mobile device has larger number of functions. For example, as shown in the left side of FIG. 1, the mobile device may be used for telephone conversation. Reception/transmission of a call and reception/transmission of a message performed by the mobile device are general functions of the mobile device.
In addition, for example, as shown in the right side of FIG. 1, the mobile device may be used to control various external devices. In particular, various external devices may be accessible to the Internet based on technology of the Internet of Things (IoT). Consequently, the mobile device may access the Internet to control various external devices. In addition, the mobile device may control external devices using near field communication (NFC), WiFi, WiDi, or infrared communication based on technology of Ubiquitous Computing in addition to the Internet.
As previously described, utilization of the mobile device has further increased. In addition, many people own at least one mobile device as the result of miniaturization of the mobile device. The mobile device may store an address book and received messages. For this reason, it is necessary to protect privacy. That is, the mobile device corresponds to a personal possession of one individual.
As shown in the right side of FIG. 1, on the other hand, the external devices, which may be controlled using the mobile device, may not be personal possessions of one individual. For example, in a case in which a television is installed in a home, all members of a family may have right to access the television. Consequently, the other members of the family as well as the owner of the mobile device may wish to control the television using the mobile device. However, the use of the mobile device by the other members of the family may intrude on a privacy of the owner of the mobile device. Since demand for protection of privacy and demand for sharing the mobile device conflict with each other, it is difficult to promote control of external devices using the mobile device.