Patent ID: 7804203

Claim:
A wireless chip comprising: an antenna circuit having a first terminal and a second terminal for outputting two signals, and a boosting power source circuit including a thin film transistor, wherein the boosting power source circuit includes: a rectifier circuit having a third terminal for receiving a signal from the first terminal of the antenna circuit, a fourth terminal for receiving a signal from the second terminal of the antenna circuit, and a fifth terminal for outputting a potential; and a boosting circuit having a sixth terminal for receiving a signal from the first terminal of the antenna circuit, a seventh terminal for receiving a signal from the second terminal of the antenna circuit, an eighth terminal for receiving the potential, a ninth terminal for outputting a power source potential, and a tenth terminal for outputting a ground potential, wherein the first terminal of the antenna circuit is connected to the third terminal of the rectifier circuit and the sixth terminal of the boosting circuit, wherein the second terminal of the antenna circuit is connected to the fourth terminal of the rectifier circuit and the seventh terminal of the boosting circuit, wherein the fifth terminal of the rectifier circuit is connected to the eighth terminal of the boosting circuit, and wherein the power source potential is higher than the potential.