Bi-directional communication system, display apparatus, base apparatus and bi-directional communication method
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Accused Products
Abstract
A bi-directional communication system comprising a base apparatus and a display apparatus. The display apparatus is a portable liquid crystal display for viewing video programs and browsing the internet. The base apparatus contains a television tuner for receiving broadcast signals and wirelessly transmits programming to the display apparatus. An infrared remote control device connected to the base apparatus is used to control various external input devices (e.g., a VCR or DVD player). Control menus for the base apparatus and the external input device can be displayed on the display apparatus. The display apparatus contains a touch screen, so that a user can select operational commands for controlling the base apparatus and external input devices. The display apparatus wirelessly transmits selected operational commands to the base apparatus, which then retransmits the commands to the appropriate external input device using the infrared remote control device.
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Citations
29 Claims
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1-28. -28. (canceled)
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29. A display apparatus, comprising:
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information signal receiving means for wirelessly receiving an information signal from a website;
a display screen for displaying a video corresponding to said information signal from the website;
operation display means for displaying an operation display on said display screen;
said operation display comprising a plurality of display items corresponding to user selectable operations;
a touch screen provided on said display screen for detecting a touched position on said display screen corresponding to a location at which a user touches said display screen;
operation signal means for generating an operation signal corresponding to the display item displayed at the touched position on said display screen; and
operation signal transmission means for wirelessly transmitting said operation signal to said base apparatus.
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Specification