Patent ID: 9313437
Filing Date: 2016-04-12
CPC Classification: G09G,H04N

Claim Text:
1. A reception apparatus comprising: a reception unit that receives first data, which is baseband, from an external device as differential signals via transmitting lines for baseband data, the transmitting lines being included in a high definition multimedia interface (HDMI) cable; a connection status unit that direct current (DC) biases at least one of a pair of differential lines included in the HDMI cable, such that a connection status between the reception apparatus and the external device can be detected at the external device; and a communication unit that receives second data, which is different from the first data, from the external device via a reserved line and a hot plug detect (HPD) line included in the HDMI cable, transmits third data, which is different from the first data, to the external device via the reserved line and HPD line, and subtracts the third data from the second data.