| 摘要 |
An improved structure of an extendable and detachable USB memory is disclosed and the USB memory is either an externally connected variable capacity memory or a built-in variable capacity memory. The externally connected variable capacity memory includes a controller and flash memory section of various types of memory capacity connected in series, wherein the controller comprises a USB connector or socket for connection with computer USB interface and a connector for the insertion of the flash memory; and the flash memory section does not have fixed capacity but has an thermal insertion and detaching and write-in proof design, and is provided at one end a connector for the insertion of the controller and the other end is the required connector for the subsequent extension of flash memory; and the built-in variable memory having the controller section being built in the computer or a digital product such that the controller section is connected to the USB interface of the computer of the digital product by means of USB connector or socket such that the surface of the computer or the digital product exposes at least one group of connector needed for the plugging of the flash memory. |
