Patent ID: 6830194
Filing Date: 2004-12-14
Classification: G06K,H05K

Abstract:
A built-in multifunctional card reader comprising a circuit board in a housing as a principal unit, said circuit board including a control circuit formed by connecting a loop of an externally connecting device, a loop for an integrated circuit and a memory card loop for connecting memory cards with said circuit board; wherein:said externally connecting device provides a connection to an external device, said circuit board includes: a circuit connector for directly connecting said circuit board with a power supplying device to supply power for operation of said card reader; a main signal connector to form a connection among said integrated circuit, said memory card loop and a main board; and an auxiliary signal connector provided in said loop of said externally connecting device to form a connection, separate from said connection formed by said main signal connector, between said externally connecting device and said main board, said card reader thereby separates the operation voltage of memory cards in said card reader from said loop of said externally connecting device to maintain normal operation of said card reader, and said loop of said externally connecting device is provided with an output insertion slot for acoustic source signals, an input insertion slot for acoustic source signals, a USB (universal serial bus) insertion slot and an IEEE 1394 insertion slot.