A data terminal, such as a personal digital assistant, personal computer, pager or other such device has a persistent memory (11), a non-persistent memory (12) including a memory item (15 or 16) and an indicator (17 or 18) indicating whether the memory item has been stored in the persistent memory....http://www.google.fr/patents/US5717936?utm_source=gb-gplus-shareBrevet US5717936 - Data terminal and method of protecting memory items stored in non-persistent memory in a data terminal
Data terminal and method of protecting memory items stored in non-persistent ...
