Method and apparatus for generating image-forming envelope and other wave forms for image display of an area or an object whose image is desired to be simulated. The image-forming envelope wave forms for complex objects and complex area silhouettes are formed as composites of component areas forming...http://www.google.es/patents/US4238826?utm_source=gb-gplus-sharePatente US4238826 - Method and apparatus for image signal generation and image display
Method and apparatus for image signal generation and image display
