Receptacles for removable electrical interface devices

Abstract

A receptacle device for an electrical interface device, the electrical interface device being capable of transferring data to and from a host and being adapted to operate in one of a universal serial bus (USB)-compatible mode, a Mu mode and a non-USB-compatible mode, the receptacle comprising a chamber defined by a first inner surface and a second inner surface, the first inner surface being opposed to the second inner surface, a first row of contacts arranged at the first inner surface, the first row of contacts being configured to electrically couple to a first row of pads of the electrical interface device when the electrical interface device is inserted into the chamber in a direction, a second row of contacts arranged at the first inner surface, the second row of contacts being configured to electrically couple to a row of pads of a USB-compatible plug when the USB-compatible plug is inserted into the chamber in the direction, and at least one protrusion on the second inner surface, the at least one protrusion extending against the direction to exceed the first row of contacts.

Dependencies are inferred from the claim text.