Small antenna stowed in capsular endoscope for wireless power transmission

Wireless power transmission system has become one of the most-growing, high-impact technologies, due to power supply without batteries or wired power transfer. In recent years, this system is suggested combining with capsular endoscopes being used to diagnose digestive organs. In this paper, we proposed a receiving antenna which is assumed to be stowed in the capsular endoscope to transceive wireless signal for medical applications. This antenna is designed to operate in 430 MHz band. The results show that the capsular endoscope can be received required power for operation.