A system for obtaining video data is provided, the system comprising a video camera positioned down a bore-hole to obtain a plurality of video frames wherein the plurality of video frames comprises sequential video frames, wherein each of the sequential video frames contains information, and wherein...http://www.google.de/patents/US7705878?utm_source=gb-gplus-sharePatent US7705878 - Method and apparatus to create a down-hole video log to transmit down-hole video data
