A system is described that enables the user to deal with an intrusion into their home without having to personally confront the intruder. Given the night-time nature of many intruder events, a display and control unit is disclosed that is suitable for residing on a bedside table, typically in the Master...http://www.google.com.tw/patents/US20050184867?utm_source=gb-gplus-share專利 US20050184867 - Home intrusion confrontation avoidance system