Patent ID: 7670191

Claim:
An extension to universal serial bus (USB) 2.0 revision for transmitting signals from and to a host device, comprising: a receiving cavity for accommodating a complementary mating electrical connector; an insulative tongue portion residing in the receiving cavity, the insulative tongue portion defining a front-to-rear direction, a rear end at a rear of the insulative tongue portion and a supporting side at one side of the insulative tongue portion; a plurality of contacts held in the insulative tongue portion with all contacting portions located at the supporting side and further exposed to the receiving cavity, the contacts comprising four conductive contacts and two pairs of differential contacts for transferring differential signals, the four conductive contacts consisting of a power contact, a ground contact, a − data contact and a + data contact, one pair of the differential contacts located in a gap formed by the adjacent power contact and the − data contact, the other pair of the differential contacts located in another gap formed by the adjacent power contact and the + data contact; and wherein the four conductive contacts are for USB 2.0 revision protocol and arrangement of the four conductive contacts is compatible to a standard USB connector; and wherein the two pairs of differential contacts are for a non-USB 2.0 revision protocol.