A method of transmitting images in a subject to an outside of the subject using a wireless signal is provided. The method including: (a) transmitting to the outside of the subject a first signal corresponding to a first image obtained using a first imaging device, by timing on a first illumination device...http://www.google.com.tw/patents/US7727145?utm_source=gb-gplus-share專利 US7727145 - Capsule-type medical device and medical system
