Patent ID: 7490188

Claim:
A method for USB data transmission in a hybrid terminal, the hybrid terminal including a first Central Processing Unit (CPU), a second CPU, a first independent memory, a second independent memory, and a Universal Serial Bus (USB) port, the first memory and the second memory corresponding to the first CPU and the second CPU, respectively, the method comprising the steps of: when the first CPU detects connection with an external apparatus through the USB port, transmitting information for classifying the first memory and the second memory, by the first CPU, to the external apparatus; analyzing, by the first CPU, data received through the USB port, and storing storage data in the first memory or reading data stored in the first memory and transmitting the read data to the external apparatus through the USB port according to information included in the data when a detected target memory corresponds to the first memory; and when the target memory corresponds to the second memory, transmitting, by the first CPU, the information included in the data to the second CPU, and storing, by the second CPU, the storage data in the second memory or reading data stored in the second memory and transmitting the read data to the external apparatus through the first CPU and the USB port according to the information included in the data.