Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Patent
1997-11-14
2000-12-05
Wu, Xiao
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
G09G 500
Patent
active
061573736
ABSTRACT:
A method and apparatus for displaying a digital image of at least a portion of an object displayed in a film transparency having object identifying indicia thereon is provided. The apparatus uses a position sensitive panel having a surface for supporting the film transparency and further having an output for providing an output signal corresponding to the two dimensional spatial position of a selected point of interest on the panel. The apparatus is further provided with an object identifying indicia reader having an output for providing an output signal corresponding to object identifying indicia on the film transparency. In one embodiment, a digital image of the object depicted on a film transparency can be displayed by simply touching the transparency which causes an associated computer controller to identify the transparency through the indicia thereon and recall corresponding digital image data. In another embodiment, a digital image of a selected point of interest on the film transparency can be displayed by touching the transparency at the desired location. The coordinates of the point touched on the panel together with the information contained in the indicia are provided to the associated computer controller to create the digital image display. The apparatus and method is particularly useful for fast screening of medical images with the added benefit of digital image enhancement capabilities when needed.
REFERENCES:
patent: 5159771 (1992-11-01), Ohlson
patent: 5289520 (1994-02-01), Pellegrino et al.
patent: 5430964 (1995-07-01), Inbar et al.
Brochures: Keytec Home of the Magic Touch, pp. 6-26.
Brochures: Introducing . . . SmartLight--Digital Film Viewer.
Trex Medical Corporation
Wu Xiao
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