Patent ID: 8688804

Claim:
A control target device comprising: a Web server module which transmits to a control device a Web page that controls the control target device through a first communication channel established between the control target device and the control device; a sound information generation module executed by a hardware processor which generates sound information in a web data format, where the sound information is a sound file or includes information about a sound file, and where the sound information is related to an event occurring according to a variation in a status of an operation of the control target device; an event detection module, which detects the event occurring in the control target device; and an independent communication module which receives the event detected by the event detection module, determines whether the sound information related to the detected event exists, and if the independent communication module determines that the sound information exists, transmits to the control device the generated sound information through a second communication channel established between the control target device and the control device that is separate from the first communication channel and if the independent communication module determines that the sound information does not exist, transmits event information comprising at least one of an image and text data via the first communication channel.