A peer-to-peer global positioning system includes at least one location aware device to store position data. The at least one location aware device includes a first data transmitter and a first data receiver. An electronic device has a second data transmitter and a second data receiver. The second data...http://www.google.fr/patents/US20030065443?utm_source=gb-gplus-shareBrevet US20030065443 - Method of exchanging data between a local device and a central server
Method of exchanging data between a local device and a central server
Numéro de demande: 10/282,572 Numéro de publication: US 2003/0065443 A1 Date de dépôt: 29 oct. 2002 Brevet délivré: US6831598 ( Date de délivrance 14 déc. 2004)
