SD Card Readers are widely used in Portable Devices

The origin of card reader

Talking about the card reader, a lot of people will immediately think that this product is made to match with the digital camera, but now it is no longer limited to digital cameras use, which has extended to more areas. "Card reader" is a device reading data by definition, which not only can support the reading of the data also support data write. The initial design idea was mainly generated in order to compensate for the defects of the digital camera data output. Since the early USB interface was not popular, so the output of the digital camera is connected with the computer's serial port, serial data transmission speed is very low, it would have to spend a lot of waiting time if you want to copy the data to the hard disk. Therefore, the memory card readers are made by card reader manufacturers.

The function of card reader

The development of digital products such as MP3 and PDA powerful promoted the development of the card reader. The MP3 standard 256M or 512M flash memory obviously cannot meet our needs, so adding 1G or higher flash memory has become our standard configuration. But if you want to copy MP3 songs to flash memory, you only operate through MP3 player, and now this time we need a dedicated connection, drivers and software to complete. However, the portability of MP3 players is worse, but if we use the card reader at this time, then we can directly store MP3 songs on the flash memory completely without MP3 player intervention, so that the MP3 becomes more convenient to use.

SD card reader is the equipment to read the SD memory card

The SD card reader is the equipment to read the SD memory card. Currently the most common memory card in the market is SD Memory (SD card). The memory card is now widely used in digital cameras, DV, MP4, MP3 player, PDA Pocket PC and multimedia phone. In order to facilitate materials carried by the memory card to be used by more people, the SD multiple card reader is consequently produced. SD (Security Digital Memory Card) card reader is portable, which is similar to the common U disk in size. Card reader plug in the SD card has the same function as the U disk. The card reader is like a USB floppy drive for the computer, which has the similar function. It doesn't read the floppy disk but a variety of flash memory cards. Insert the SD flash card in your hands follow the prompts to the corresponding card slot at use, then insert the other end of the USB head into your computer USB socket, which will have the corresponding display and be able to read and write data in the card only being correctly inserted.

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