USB memory card reader
Flash memory cards are widely used in various electronic devices. Memory cards are essentially composed of a card body of generally rectangular shape in which an electronic module is implanted. The electronic module comprises an integrated circuit including at least a memory circuit and electrical contact areas disposed on one face of the card body and connected to the terminals of the integrated circuit. The use of memory cards has become widespread and the number of different types of memory cards has increased. Currently available specifications of memory cards include: Compact-Flash Card (CF Card), Secure-Digital Card (SD Card), Memory-Stick Card (MS Card), Smart-Media Card (SM Card), XD Picture Card (XD Card), Multi Media Card (MMC Card), etc. The main function of the card reader is to serve as a bridge between the flash memory card and the computer to complete data transmission between them. Via the memory card reader, a user may browse photos stored on the flash memory card, listen to music, and store files on a computer without being connected to the computer. A memory card reader normally comprises a housing which, on its front face, includes a card insertion slot, and which inwardly defines a guide channel serving to position the card so that when said card is in the processing position, the contact areas of the card are in electrical contact with the connection elements of a read head containing said processing circuits. A USB card reader has a USB (Universal Serial Bus) connector to be inserted into a personal computer.
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