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Patent for Sale:

High Speed Rasterizing Engine    

Fast, cost efficient and simple to implement high speed rasterizing engine.


Inexpensive, easily implemented, high speed rasterizing engine capable of taking full advantage of memory bandwidth. Supports multiple, parallel, gray-scale writing beams, provides scalability and a rasterizer which can supply multiple pixel intensities at high speed.

Rasterizers are generally limited to binary intensities and scale poorly due to bandwidth imbalances, this architecture has proven itself across several generations of pattern generators.

Patent Summary

U.S. Patent Classes & Classifications Covered in this listing:

Class 358: Facsimile And Static Presentation Processing

Communication or reproduction of a static image or sequence of static images in which the local light, or density variations composing the image do not vary with time by a method or apparatus involving at least one of the following steps: (1) scanning a static image to capture an image-containing area by resolving it into an area; (2) communication of an image-representative signal or image-representative data over any supporting communication network; or (3) reproduction of an image-containing area in response to an image-representative signal or image-representative image data by reproducing a corresponding image area which at least one of the two dimensions is elemental, simultaneously or in a sequence. In this class, a facsimile system or method is a system or method for the communication or reproduction of an arbitrarily composed image in which the local light, or density variations composing the image do not vary with time, such as documents maps, charts, photographs, etc., but not motion picture film or video.

Subclass 1.8: Dot matrix array (e.g., printheads, etc.)

Class 345: Computer Graphics Processing And Selective Visual Display Systems

Processes and apparatus for selective electrical control of two or more light-generating or light-controlling display elements* in accordance with a received or stored image data signal. The image data includes character, graphical information or display attribute data. The image data may include, for example, information data from a peripheral input device, from the reception of a television signal, from the recognition of image data, or from the generation or creation of image data by a computer.

Subclass 206: Having common base or substrate
Subclass 441: Shape generating
Subclass 502: Plural graphics processors
Subclass 690: Intensity or color driving control (e.g., gray scale)