Patent ID: 7861277
Filing Date: 2010-12-28
Classification: H04L

Abstract:
1. A cable for connecting a transmitting data source device to a receiving data sink device, and carrying differential data signals, including: a boost device for boosting at least one of the differential data signals, comprising: an electronic circuit for obtaining at least some of the electrical power required to operate the boost device from the at least one of the differential data signals; wherein: the boost device includes a differential input circuit for receiving one of the differential data signals from the data source device; the electronic circuit comprises a differential output circuit for transmitting a boosted one of the differential data signals to the data sink device, the differential output circuit being adapted to obtain said at least some of the electrical power required to operate the boost device from the data sink device; and the differential output circuit and the differential input circuit are connected in series so as to conduct a current from the data sink device to the data source device.