| 摘要 |
Provided are a method and a device for exchanging a protocol. A protocol may be transmitted by being displayed on a predetermined interval of the vertical blanking interval of an analog image. A device for transmitting a protocol may transmit, to a device for receiving a protocol, an analog image signal having a protocol signal displayed thereon. The device for receiving a protocol may detect the protocol by receiving the analog image signal from the device for transmitting a protocol. |
