Patent ID: 7904632
Filing Date: 2011-03-08
Classification: H04B

Abstract:
1. A connection device for selecting an optimum receiver, comprising: a single first port to which is connected, via a bidirectional type cable, a transmitter which transmits image data and audio data; a plurality of second ports to which are connected, via respective bidirectional type cables, a plurality of receivers which receive the image data and the audio data and output the image data and the audio data as a replay signal; a third port to which a repeater is connected via a bidirectional type cable, the repeater receiving the audio data transmitted from the transmitter and outputting the audio data as a replay signal, the repeater relaying the image data transmitted from the transmitter; and a transmission control unit which connects the first port, the plurality of second ports, and the third port, wherein the transmission control unit comprises: