Patent ID: 6587902
Filing Date: 2003-07-01
Classification: G09G

Abstract:
An input/output (I/O) port assembly of a notebook computer connectable to monitor or a television (TV) as needed, the I/O port assembly comprising:an image processor provided in the computer and including a composite signal contact, a red video signal contact, a green video signal contact, and a blue video signal contact; an I/O port provided on a case of the computer and including a red video signal contact, a green video signal contact, and a blue video signal contact; and a signal transmission circuit interconnected between the image processor and the I/O port and including a composite signal line, a red video signal line, a green video signal line, and a blue video signal line wherein one ends of the red, the green, and the blue video signal lines are coupled to the red, the green, and the blue video signal contacts of the image processor respectively and the other ends thereof are coupled to the red, the green, and the blue video signal contacts of the I/O port respectively, each of the red, the green, and the blue video signal lines is coupled to a first resistor having a predetermined resistance which is in turn connected to ground, and one end of the composite signal line is coupled to the composite signal contact and the other end thereof is coupled to one of the red, the green, and the blue video signal lines.