Patent ID: 7734310

Claim:
A mobile terminal device which receives a signal of a television broadcast and displays the television broadcast, said mobile terminal device comprising: a broadcast processing unit operable to process the television broadcast; an electric power supply management unit operable to detect one of a remaining amount of a battery and a consumption amount of the battery, the battery running said mobile terminal device; and a control unit operable to give one of (i) a recording instruction to a device other than said mobile terminal device to record the television broadcast, and (ii) a lowering instruction to said broadcast processing unit to lower a display frame rate, depending on one of the remaining amount of the battery and the consumption amount of the battery, wherein said broadcast processing unit is further operable to decode all frames at a normal display frame rate, and lower the normal display frame rate used in the decoding to a predetermined display frame rate, when said broadcast processing unit receives, from said control unit, the lowering instruction to lower the normal display frame rate, said broadcast processing unit is operable to instruct the device other than said mobile terminal device to record the television broadcast when said broadcast processing unit receives, from said control unit, the recording instruction to record the television broadcast, and the control unit is operable to cause said mobile terminal device to display a message that the device other than said mobile terminal device has recorded a program in the television broadcast, when said control unit receives a notification indicating the completion of recording the program from the device other than said mobile terminal device.