US Patent 10223553 Wireless device security system

A device in a wireless device security system may include at least one processor configured to determine a location of the device with respect to a security area. The at least one processor may be further configured to provide an alert output when the determined location of the device is proximate to a boundary of the security area. The at least one processor may be further configured to prevent the device from responding to at least some user input when the determined location of the device is outside of the security area. The at least one processor may be further configured to provide a disturbance output when the determined location of the device is outside of the security area.