In an air traffic control system, an in-line, data cable interface is disclosed for air traffic control signals which provides data access for use by an external computer system while preventing the disruption of the existing air traffic control signals. The interface provides non-intrusive data access...http://www.google.es/patents/US5752216?utm_source=gb-gplus-sharePatente US5752216 - Non-intrusive data interface system for air traffic control
Non-intrusive data interface system for air traffic control
