A low cost data storage and communication system is disclosed. The low cost data storage and communication system has a host and at least one card connected to the host. A voltage negotiator located in the system for determining a common operating voltage range that is a common denominator of all independent...http://www.google.fr/patents/US7374108?utm_source=gb-gplus-shareBrevet US7374108 - Write protection and use of erase tags in a single host multiple cards system
Write protection and use of erase tags in a single host multiple cards system
