Image display control system and image display system control method
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Abstract
This invention discloses an arrangement allowing connection of various kinds of image displays to one supply source in an image display control system having a supply source for transmitting a signal including at least a video signal, and an image display for receiving the signal and displaying a corresponding image. The supply source acquires characteristic data of the image display when it is powered on, determines a signal communication specification with the image display based on the acquired characteristic data, and communicates a signal including the video signal with the determined communication specification. The image display transmits characteristic data for specifying the characteristics of the image display to the supply source, and communicates the signal including the video signal in accordance with the determined communication specification. This invention also discloses an arrangement permitting changing the specifications and version of the control program of the image display.
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Citations
28 Claims
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1-20. -20. (canceled)
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21. An image display control system comprising a terminal for transmitting a signal including at least a pair of video and acoustic signals, and an image display for receiving the signal from said terminal and displaying a corresponding image,
said terminal including: -
request means for detecting a program specification held in said image display upon powering on said terminal, and when program download is determined to be necessary from the detected program specification, requesting program download of said image display; and
program download means for downloading a program, and said image display including;
program update means for storing, in a corresponding program memory of said image display, the downloaded program transmitted subsequently upon reception of the program download request. - View Dependent Claims (22, 23)
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24. An image display system control method in an image display control system having a terminal for transmitting a signal including at least a pair of video and acoustic signals, and an image display for receiving the signal from the terminal and displaying a corresponding image, comprising:
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the detection step of detecting a program specification held in the image display when the terminal is powered on;
the determination step of determining whether program download is necessary from the program specification detected in the detection step;
the request step of requesting program download of the image display in correspondence with a determination result in the determination step;
the program download step of downloading a program, the detection step, the determination step, the request step, and the program download step being executed in the terminal; and
the program update step of storing, in a corresponding program memory of the image display, the downloaded program transmitted subsequently upon reception of the program download request, the program update step being executed in the image display. - View Dependent Claims (25, 26)
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27. A computer program product which operates on an image display control system having a terminal for transmitting a signal including at least a pair of video and acoustic signals, and an image display for receiving the signal from the terminal and displaying a corresponding image, comprising codes of:
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the detection step of detecting a program specification held in the image display when the terminal is powered on;
the determination step of determining whether program download is necessary from the program specification detected in the detection step;
the request step of requesting program download of the image display in correspondence with a determination result in the determination step;
the program download step of downloading a program, the detection step, the determination step, the request step, and the program download step being executed in the terminal; and
the program update step of storing, in a corresponding program memory of the image display, the downloaded program transmitted subsequently upon reception of the program download request, the program update step being executed in the image display.
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28. A computer-readable storage medium which stores a computer program operating on an image display control system having a terminal for transmitting a signal including at least a pair of video and acoustic signals, and an image display for receiving the signal from the terminal and displaying a corresponding image, the computer program comprising codes of:
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the detection step of detecting a program specification held in the image display when the terminal is powered on;
the determination step of determining whether program download is necessary from the program specification detected in the detection step;
the request step of requesting program download of the image display in correspondence with a determination result in the determination step;
the program download step of downloading a program, the detection step, the determination step, the request step, and the program download step being executed in the terminal; and
the program update step of storing, in a corresponding program memory of the image display, the downloaded program transmitted subsequently upon reception of the program download request, the program update step being executed in the image display.
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Specification