Abstract: A terminal apparatus updating method is disclosed which includes: performing a wireless power supply process of wirelessly supplying power to a terminal apparatus equipped with a wireless power reception portion so as to start up the terminal apparatus thus powered; performing a wireless transmission process of wirelessly transmitting firmware write data to the terminal apparatus started up in the wireless power supply process using a suitable wireless communication function; performing a write process of causing the terminal apparatus having received the firmware write data in the wireless transmission process to write the firmware write data to a storage portion inside the terminal apparatus; and stopping the wireless power supply process upon determination that the write process is completed.

Abstract: A semiconductor device includes a first semiconductor module having a semiconductor part on a board and conductive parts for making connection with another board on an upper surface of the board, a second semiconductor module having a semiconductor part on a board and conductive parts for making connection with another board on a lower surface of the board, and a plurality of relay boards placed between conductive parts formed on an upper surface of the first semiconductor module and the conductive parts formed on a lower surface of the second semiconductor module for connecting both surfaces' conductive parts, a side length of the relay board corresponding to one of a plurality of divided portions of a side of the first semiconductor module's board, the relay board having a plurality of conductive via formed on an upper and lower surface of the relay board allowing electric conduction between both surfaces.