Pseudo-raster weather display apparatus

Details Pseudo-raster weather display apparatus Pseudo-raster weather display apparatus

G - Physics

09

G

375/5

G09G 1/00 (2006.01) G01S 13/86 (2006.01) G01S 13/95 (2006.01) G09G 1/04 (2006.01)

Patent

CA 1249084

Abstract A display system employing a stigmator coil disposed on the neck of a cathode-ray tube to widen an electron beam primarily in a direction normal to the electron beam scanning direction to produce a continuous shading effect for dis- playing weather information. A bidirectional pseudo-raster scan writing pattern is used to obtain maximum fill effect between scan lines and illumination uniformity with far fewer raster lines than in a conventional raster display.

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