Patent ID: 6044443
Filing Date: 2000-03-28
Classification: G06F,H04W,Y02D

Abstract:
A memory management method in a portable terminal comprising an internal power cell and being selectively connectable to an external power source for supplying power thereto and comprising a memory including a non-volatile memory storage device, said memory management method comprising the steps of:(a) creating a delete queue in the memory of the portable terminal to register address values corresponding to data to be deleted followed by the steps of;(b) determining whether a data recording command for recording data in the memory is received(c) determining whether an idle region exists in the memory if said data recording command is received;(d) recording data in the idle region when said idle region exists;(e) creating a number of required idle regions corresponding to the amount of data to be recorded when said idle region does not exist;(f) determining whether a data deletion command for deleting data recorded in the memory is received;(g) registering in the delete queue address values corresponding to the data to be deleted when the data deletion command is received;(h) determining whether power is supplied from the external power source; anddeleting the address values registered in the delete queue and the data corresponding to those address values when the power is supplied from the external power source.