A method and system are described for determining a physical location of a computer system included within a data processing system. A wireless signal is transmitted to a physical location within which a plurality of computer systems are located. In response to a receipt of the wireless signal, each...http://www.google.de/patents/US6272541?utm_source=gb-gplus-sharePatent US6272541 - Data processing system and method for determining a physical location of a client computer system coupled to a server via a physical network
