| 摘要 |
A card reader includes a USB standard casing, a holder block fastened to the USB standard casing and defining therein an insertion hole for the insertion of an electronic card, a circuit board mounted in the USB standard casing and having a first contact set configured subject to the USB specification and a second contact set, and an electric connector electrically connected to the second contact set and kept in proximity to the insertion hole for the contact of an electronic card electrically.
|
