INFORMATION TERMINAL SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide detail information by providing a controller operated by an operator and a means for transmitting voice information which is inputted by means of a control command input/output part exchanging a non-control command from the controller. SOLUTION: Multiplexed additional information is transmitted from an information originating source 5 to a display device part 1 and the controller 2 with an interface 4 with the information originating source in addition to general information. Multiplexed additional information concerning information projected in the display device part 1 is displayed in a display 3 by the controller 2 and an operation for obtaining required information is executed by the controller 2. The information 7 and 8 being the multiplexed additional information include an application and a menu and are easily executed by the controller 2. When the opening of an additional information window is instructed for information displayed in the display 3, the information 7 and 8 being the window of additional information are normally displayed.