Patent ID: 7907208

Claim:
An information processing apparatus capable of connecting with a video terminal conversion adaptor for connecting a video output port of the information processing apparatus complying with a first standard and a video input port of an external device complying with a second standard and capable of receiving an adaptor recognition signal output from the video terminal conversion adaptor, the video terminal conversion adaptor having a video input terminal complying with the first standard and a video output terminal complying with the second standard, the video terminal conversion adaptor outputting the adaptor recognition signal through the video input terminal complying with the first standard, the information processing apparatus comprising: the video output port complying with the first standard to be connected with the video input terminal complying with the first standard of the video terminal conversion adaptor; a connection determination module configured to determine that the video terminal conversion adaptor is connected when receiving the adaptor recognition signal from the video terminal conversion adaptor through the video output port complying with the first standard; an image processing module configured to output a first signal to a bias module complying with a logical layer standard of the second standard when the connection determination module determines that the video terminal conversion adaptor is connected, and configured to output the first signal to the bias module complying with a logical layer standard of the first standard when it is determined that the video terminal conversion adaptor is not connected; and the bias module configured to output a second signal complying with a physical layer standard of the second standard to the video output port complying with the first standard when the connection determination module determines that the video terminal conversion adaptor is connected, the second signal being converted from the first signal output from the image processing module by adjusting a bias voltage thereof.