Patent ID: 6574233
Filing Date: 2003-06-03
Classification: G06F

Abstract:
An apparatus comprising:a first device for coupling to a second and a third device via a physical connection that is common to all three said devices, wherein the second device presents a first interface to the first device over the connection, the first interface comprising signals on the connection having at least one of a first meaning and a first form, and the third device presents a second interface different from the first interface to the first device over the connection, the second interface comprising the signals on the connection having at least one of a second meaning and a second form different from the first meaning and the first form, respectively; and an interface arrangement of the first device, for effecting and presenting the first interface to the second device on the connection and effecting and presenting the second interface to the third device on the connection; wherein the second interface provides capabilities different from those provided by the first interface.