Patent ID: 7904051

Claim:
An external request type function control system comprising a terminal device and a function control information transmitting device for transmitting function control information including an instruction for controlling a function of said terminal device, characterized in that said terminal device includes: reception means that receives said function control information from said function control information transmitting device; monitoring means that monitors a state of the function that could be specified in said function control information; determination means that determines, based upon a monitoring result by said monitoring means, whether or not the function specified in said function control information received by said reception means is controllable, and determines whether a control of the function indicated by said function control information is executable; and function control means that executes, based upon a determination by said determination means, the control of the function specified by said function control information; and the monitoring means stores a control source, being a cause of having changed a state of the function into a current state; and the determination means compares a priority degree of a current control source of the function specified in the function control information, said current control source being stored by said monitoring means, with a priority degree that is included in said function control information, thereby to determine whether or not the function control by said function control information is executable.