Patent ID: 7479931
Filing Date: 2009-01-20
Classification: G06F,G09G,H04N

Abstract:
1. An abnormality display apparatus for displaying an abnormality of a display apparatus, the display apparatus being formed of a plurality of video display units arranged in a matrix and which combine to display an image based on an input video signal, each given one of the plurality of video display units displaying a respective portion of the image based on the position of that display unit in the matrix, the display apparatus having screen information supplying means for supplying screen information including at least position information indicating respective positions of each one of said plurality of individual video display units in the matrix for and/or layout information indicating a number of horizontal display units and a number of vertical display units forming the matrix, and abnormality signal generating means for generating an abnormality signal when the abnormality occurs in an individual one of the plurality of video display units, said abnormality display apparatus comprising: pseudo screen displaying means for displaying a pseudo screen window that concurrently and schematically represents all of the plurality of video display units that form the display apparatus as a corresponding plurality of pseudo display units, each given one of the plurality of pseudo display units being arranged in the pseudo screen window according to the position of its corresponding display unit in the matrix based on the screen information supplied by said screen information supplying means, the particular one of the plurality of pseudo display units that corresponds to the individual video display unit having the abnormality being distinguishably displayed in the pseudo screen window of said pseudo screen displaying means based on the abnormality signal generated by the abnormality signal generating means.