Portable computer system having LCD monitor for selectively receiving video signals from external video signal input from external computer
First Claim
1. An apparatus, comprising:
- a portable computer including a graphic chip and a liquid crystal display monitor, said liquid crystal display monitor receiving a video signal from the graphic chip and displaying the video signal;
an external video signal input part provided at the portable computer for receiving an external video signal from an external computer;
an analog to digital converter provided at the portable computer for converting the external video signal received through the external video signal input part into a digital signal; and
a control part for controlling the video signal and the digital signal from the graphic chip and the analog to digital converter, respectively, so that it is selectively outputted to the liquid crystal display monitor.
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Accused Products
Abstract
A portable computer system includes a portable computer equipped with a graphic chip, and an LCD monitor receiving a video signal from the graphic chip and displaying the video signal. The portable computer system further includes an external video signal input part provided at the portable computer and receiving an external video signal from an external computer, an A/D converter provided at the portable computer and converting the external video signal inputted through the external video signal input part into a digital signal, and a control part controlling the video signal and the digital signal from the graphic chip and the A/D converter to be outputted to the LCD monitor. With this configuration, the present invention provides a portable computer system enhancing the utility of the LCD monitor by receiving an external video signal from an external computer and displaying it on an LCD monitor.
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Citations
25 Claims
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1. An apparatus, comprising:
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a portable computer including a graphic chip and a liquid crystal display monitor, said liquid crystal display monitor receiving a video signal from the graphic chip and displaying the video signal; an external video signal input part provided at the portable computer for receiving an external video signal from an external computer; an analog to digital converter provided at the portable computer for converting the external video signal received through the external video signal input part into a digital signal; and a control part for controlling the video signal and the digital signal from the graphic chip and the analog to digital converter, respectively, so that it is selectively outputted to the liquid crystal display monitor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 21, 22, 23, 24, 25)
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8. A display method of a portable computer unit which includes a portable computer equipped with a graphic chip and a liquid crystal display monitor, said liquid crustal display monitor receiving a video signal from the graphic chip and displaying the video signal, said method comprising the steps of:
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preparing an external video signal input part at the portable computer; receiving an external video signal from an external computer through the external video signal input part; converting the external video signal received through the external video signal input part into a digital signal; transmitting the digital signal so that it is selectively outputted to the liquid crystal display monitor; and selectively displaying the digital signal at the liquid crystal display monitor. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A portable computer, comprising:
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a liquid crystal display coupled to a casing including a main board having a central processing unit for processing data, the liquid crystal display accommodating display of a variable video; an input part for receiving an external video signal from an external computer; an analog to digital converter for converting the external video signal into a digital signal; and a control part for controlling the digital signal for selective output to the liquid crystal display. - View Dependent Claims (17, 18, 19, 20)
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Specification