A camera is in communication with a microcomputer, having a memory. A plurality of communication controllers are in communication with the microcomputer, and each communication controller is in control of up to two monitors. Pictorial data from the camera is compressed and stored in the microcomputer...http://www.google.com/patents/US4996714?utm_source=gb-gplus-sharePatent US4996714 - Computerized filing and retrieval system for signature and pictorial documentation
