Patent ID: 9462331
Filing Date: 2016-10-04
CPC Classification: G11B,H04L,H04N

Claim Text:
1. A signal receiving method for an apparatus, the method comprising: receiving an uncompressed video signal from an external device via a plurality of channels comprised in a transmission path by a differential signal; receiving a first signal from the external device via a reserved line and a Hot Plug Detect (HPD) line, which are bi-directional for transmission, comprised in the transmission path by a full duplex communication, in which the reserved line and the HPD line are of a High Definition Multimedia Interface (HDMI) cable and can form another differential signal; transmitting a second signal to the external device via the reserved line and the HPD line; subtracting the second signal from the first signal to obtain a third signal; transmitting a notification of a connection state to the external device by DC bias potential of the HPD line; and displaying the received uncompressed video signal.