US Patent 11836114 Device searching system and method for data transmission

A device searching system and method for data transmission are provided. A method of searching for another device in a first device for data transmission includes outputting a widget window for a device search, receiving an address book stored in a second device connected to the first device, and if the widget window is selected, searching for a device included in the received address book, wherein the searching of the device includes searching for at least one of devices included in the received address book based on a keyword input through the widget window.