Placement of image on matrix display

Claim 1

Apparatus providing a displayed image of an area of interest which can be positioned anywhere within a larger display area of a system including a plurality of display units, said apparatus comprising, in combination: a. an image source; b. a television camera image pickup; c. a multiplicity of television raster displays each of said displays comprising a reflective mirror beamsplitter display having a cathode ray tube as input and arranged to form a continuous display area; d. a timing generator and waveform generator to provide an horizontal and a vertical scan to said televisioN camera and said raster displays; e. fixed delay means inserted between said generators and each of said displays to cause the rasters of said displays to form a continuous raster across said visually continuous display; f. variable delay means operable to delay the relative scan times of said camera and said plurality of display devices; g. switching means connecting the video signal generated by said camera to said plurality of display devices operable to selectively switch said video signal to selected ones of said display devices; and h. control means operable to control said variable delay means and said switching means to selectively position the resulting image anywhere on said visually continuous display.