Patent ID: 9460377
Filing Date: 2016-10-04
CPC Classification: G06K

Claim Text:
1. A semiconductor device comprising: an antenna for transmitting a wireless signal to a communication device and receiving a wireless signal from the communication device; and first, second, third, and fourth circuits electrically connected to the antenna, wherein the first circuit includes a first power supply circuit and a first power supply control circuit for controlling power supply voltage output from a second power supply circuit included in the second circuit, wherein the first power supply control circuit in the first circuit controls power supply voltage output from third and fourth power supply circuits included in the third and fourth circuits, wherein a second power supply control circuit in the second circuit controls power supply voltage output from the third and fourth power supply circuits included in the third and fourth circuits, and wherein a third power supply control circuit in the third circuit controls power supply voltage output from the fourth power supply circuit included in the fourth circuit.