Patent ID: 7454638

Claim:
A sub-circuit configuration in a portable electronic device to access to a storage device in a portable electronic device with the electronic device in power on or power off status, comprising: a sub-circuit configuration segregated with a power controller from a main circuit configuration containing a microprocessor and a storage device; and the power controller being provided to switch a power supply loop of the main circuit configuration and/or the sub-circuit configuration, and controls the connection among components between the sub-circuit configuration and the main circuit configuration, wherein the main circuit configuration is integrated with at least one first device selected from a first group consisting of an encoder and sound effect output port; and the sub-circuit configuration has a decoder and a memory, wherein the power controller is comprised of one or multiple electronic switches, wherein the sub-circuit configuration is further integrated with a wireless transmission modulus, the decoder of the sub-circuit configuration is connected to the memory and the wireless transmission modulus thereof, wherein the wireless transmission modulus connected to the decoder if the sub-circuit configuration is a Bluetooth wireless transmission.