Large screen display apparatus using a plurality of display screens
First Claim
1. A large screen display apparatus, comprising:
- a plurality of displays which together act as a single screen for displaying an object;
a screen data generating section for generating screen data for forming the object; and
a plurality of local data generating sections connected to respective displays for converting coordinates of the screen data from the screen data generating section into a local coordinate system corresponding to the respective displays, whereinsaid screen data generating section includes a local data selecting circuit for selecting from the screen data, local screen data for local screens corresponding to the respective displays, and a data outputting circuit for sending selected local screen data in a predetermined order to a corresponding local data generating section, anda switching circuit is connected to said data outputting circuit for switching said predetermined order in accordance with content of the object.
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Accused Products
Abstract
A large screen display apparatus comprises a plurality of displays constituting a single large screen for displaying an object. The object is formed on the basis of screen data which is generated by a screen data generating section. Each of the displays is provided with a local data generating section for converting a coordinate of the screen data from the screen data generating section into a coordinate of a local coordinate system peculiar to the individual displays. Because the local data generating sections, each provided to one respective display, executes coordinate conversion to the screen data, it is possible to reduce load to the screen data generating section, and to thereby provide a display performance with a rapid response.
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Citations
19 Claims
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1. A large screen display apparatus, comprising:
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a plurality of displays which together act as a single screen for displaying an object; a screen data generating section for generating screen data for forming the object; and a plurality of local data generating sections connected to respective displays for converting coordinates of the screen data from the screen data generating section into a local coordinate system corresponding to the respective displays, wherein said screen data generating section includes a local data selecting circuit for selecting from the screen data, local screen data for local screens corresponding to the respective displays, and a data outputting circuit for sending selected local screen data in a predetermined order to a corresponding local data generating section, and a switching circuit is connected to said data outputting circuit for switching said predetermined order in accordance with content of the object. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A large screen display apparatus, comprising:
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a plurality of displays which together act as a single screen for displaying an object; a screen data generating section for generating screen data for forming the object; and a plurality of local data generating sections connected to respective displays for converting coordinates of the screen data from the screen data generating section into a local coordinate system corresponding to the respective displays, wherein said screen data generating section includes a local data selecting circuit for selecting from the screen data, local screen data for local screens corresponding to the respective displays, and a data outputting circuit for sending selected local screen data in a predetermined order to a corresponding local data generating section, and a greater number of said local data generating sections are provided than the number of displays, said local data generating sections being switchably connected to the displays via a switching circuit.
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8. A large screen display apparatus, comprising:
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a plurality of displays which together act as a single screen for displaying an object; a screen data generating section for generating screen data for forming the object; and a plurality of local data generating sections connected to respective displays for converting coordinates of the screen data from the screen data generating section into a local coordinate system corresponding to the respective displays, wherein said screen data generating section includes a local data selecting circuit for selecting from the screen data, local screen data for local screens corresponding to the respective displays, and a data outputting circuit for sending selected local screen data in a predetermined order to a corresponding local data generating section, and said screen data generating sections further includes a processing capacity measuring circuit for measuring processing capacity of the local data generating sections, and a data amount changing circuit for changing volume of the screen data on the basis of the processing capacity measured.
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9. A large screen display apparatus, comprising:
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a plurality of displays which together act as a single screen for displaying an object; a screen data generating section for generating screen data for forming the object; and a plurality of local data generating sections connected to respective displays for converting coordinates of the screen data from the screen data generating section into a local coordinate system corresponding to the respective displays, wherein said local data generating sections each include a local data selecting circuit for selecting from the screen data, local screen data corresponding to the respective displays, and said screen data generating section outputs the screen data in multicast, and a greater number of said local data generating sections are provided than the number of displays, said local data generating sections being switchably connected to the displays via a switching circuit. - View Dependent Claims (10)
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11. A large screen display apparatus, comprising:
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a plurality of displays which together act as a single screen for displaying an object; a screen data generating section for generating screen data for forming the object; and a plurality of local data generating sections connected to respective displays for converting coordinates of the screen data from the screen data generating section into a local coordinate system corresponding to the respective displays, wherein said local data generating sections each include a local data selecting circuit for selecting from the screen data, local screen data corresponding to the respective displays, and said screen data generating section outputs the screen data in multicast, and said screen data generating sections further includes a processing capacity measuring circuit for measuring processing capacity of the local data generating sections, and a data amount changing circuit for changing volume of the screen data on the basis of the processing capacity measured.
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12. A method for displaying a single large screen object image by combining the displays of a plurality of local display units, said method comprising the steps of:
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generating screen data needed to form the large screen object image; selecting from the generated screen data, local screen data which is particular to respective local display units; sending selected local screen data in a predetermined order to local data generating units each connected to a corresponding local display unit; converting coordinates of the local data sent to the local data generating units into local coordinate systems particular to the corresponding local display units; and generating a single display image from the combined displays of the coordinate converted local screen data of the local display units, wherein a greater number of local data generating units are provided than local display units, and the local data processing units are selectively connected to local display units via a switching unit. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A method for displaying a single large screen object image by combining the displays of a plurality of local display units, said method comprising the steps of:
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generating screen data needed to form the large screen object image; selecting from the generated screen data, local screen data which is particular to respective local display units; sending selected local screen data in a predetermined order to local data generating units each connected to a corresponding local display unit; converting coordinates of the local data sent to the local data generating units into local coordinate systems particular to the corresponding local display units; generating a single display image from the combined displays of the coordinate converted local screen data of the local display units; measuring processing capacity of the plurality of local data generating units; and changing the volume of screen data based on the measured processing capacity.
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Specification