Patent ID: 8070067

Claim:
A receptacle device for receiving an electrical interface device, the electrical interface device being capable of transferring data to and from a host and being adapted to operate in a universal serial bus (USB)-compatible mode, a Mu mode or a non-USB-compatible mode, the receptacle comprising: a housing including a first inner surface and a second inner surface, the first inner surface being opposed to the second inner surface; a chamber defined by the first inner surface and the second inner surface of the housing; a first row of contacts arranged at the first inner surface, the first row of contacts being capable of electrically coupling to a first row of pads of the electrical interface device, the first row of pads of the electrical interface device being configured to support at least the USB-compatible mode operation and a 1-bit Mu mode operation; and a second row of contacts arranged at the first inner surface, the second row of contacts being capable of electrically coupling to a row of pads of a USB-compatible plug, the row of pads of the USB-compatible plug being configured to support the USB-compatible mode operation.