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| Number | Title | Issue Date |
| 6985159 | Arrangements for antialiasing coverage computation Improved arrangements for antialiasing coverage computations, useable in numerous embodiments, a non-exhaustive/non-limiting listing including graphics chips, chipsets, systems, methods and software embodiments. ... | 01/10/2006 |
| 6614940 | System, method and computer program product for generic outline font compression A system, method and computer program product are provided for compression of characters. Upon receipt of a plurality of characters, at least one test is performed on the characters to determine if an outline of the characters is capable of being approxim... | 09/02/2003 |
| 6339426 | Methods, apparatus and data structures for overscaling or oversampling character feature information in a system for rendering text on horizontally striped displays The resolution of text rendered on a display device having sub-pixel elements, such as an RGB LCD for example, and in particular, on a display device having horizontal striping is enhanced by (i) overscaling (or oversampling) character outline information... | 01/15/2002 |
| 5982387 | Hint assignment method and font file construction method A method of assigning hints for outline-font creation includes a first step of dividing elements having similar outlines into classes, a second step of learning hint assignment by storing hint information which prevails when a hint is assigned by operator... | 11/09/1999 |
| 5936637 | Image processing system having outline font data input An image processing system has bit map figure data of a plurality of sizes and edits a document on the basis of this data. This system comprises an input device to input a figure by a polygon definition, an instructing circuit to instruct the input figure... | 08/10/1999 |
| 5475807 | Character processing apparatus A character processing apparatus includes a reading circuit to read out data stored in a vector form; a first converter for multiplying an enlargement/reduction ratio to the readout data and converting the resultant data; and a second converter for conver... | 12/12/1995 |
| 5473709 | Apparatus for converting character outline data into dot-matrix data for display or printing An apparatus for producing dot-matrix data from outline data defining an original outline of an image in an X-Y coordinate system, including a first transforming device transforming, according to transformation data, first interval data defining original ... | 12/05/1995 |
| 5473742 | Method and apparatus for representing image data using polynomial approximation method and iterative transformation-reparametrization technique A piecewise parametric polynomial curve-fitting method using an iterative transformation-reparametrization technique is used to compress information describing lines, such as those formed by handwritten lines, for storage in a compressed form in a compute... | 12/05/1995 |
| 5428728 | Method and apparatus for outline font character generation in dot matrix devices Method and apparatus for outline font character generation in dot matrix devices including a point transform engine, a parametric equation generator, an adaptive forward differencing engine, a transition detection engine, a transition processor, an interm... | 06/27/1995 |
| 5426727 | High-quality character generating system and method for use therein A character generation system, in which multiple operations are performed in parallel to achieve higher-speed processing, includes a circuit for converting character contour data into coordinate axis data, a circuit for generating dot data expressive of t... | 06/20/1995 |
| 5416852 | Pattern processing system and method A pattern processing system which comprises a main memory (3) and an outline data extractor (4) and a stroke setter (5). The outline data extractor (4) extracts a plurality of pairs of opposing segments on an outline of a pattern, obtain a position of a s... | 05/16/1995 |
| 5396586 | Apparatus and method for filling regions bounded by conic curves An apparatus and method for filling regions bounded by piecewise-conic curves and more particularly to such an apparatus and method which is directed to curves defined by a conic equation. This simplifies the process of generating filled contours in appli... | 03/07/1995 |
| 5355448 | Method of generating dot signals corresponding to character pattern and the system therefor The system for generating dot signals corresponding to a character pattern on the basis of outline information of a character pattern described by only straight lines comprises a section 6 for deciding end points of straight lines constituting outlines on... | 10/11/1994 |
| 5313573 | Apparatus for forming character patterns with line segments A character pattern forming apparatus has a ROM, a RAM, and a CPU. The ROM includes a first memory area for storing a plurality of segment data respectively designating different segments of a character each segment having one or more dots arranged in a r... | 05/17/1994 |
| 5276790 | Fast vertical scan-conversion and filling method and apparatus for outline font character generation in dot matrix devices A fast vertical scan-conversion and filling method and apparatus for outline font character generation in dot matrix devices including a normalized polysegment generation engine for converting spline data to normalized polysegment data, a vertical scan co... | 01/04/1994 |
| 5255357 | Method for editing character bit maps at small sizes using connected runs A material of displaying a character on a raster device wherein the character is described by means of one or more paths. The crosses where a path intersects horizontal pixel midlines are identified and paired in scan line order as cross pairs. Runs of pi... | 10/19/1993 |
| 5226116 | Apparatus for converting vector data of characters into dot data having means for reducing frequency of required data conversion An apparatus including a converting device for converting vector data of an input character into dot data for outputting the input character in a specified mode, a memory for storing the dot data, and a controller operable prior to the data conversion, fo... | 07/06/1993 |
| 5201032 | Method and apparatus for generating multi-level character A method and apparatus for generating a multi-level character generates a plurality of outlines for one character. The outlines generated for the one character respectively correspond to mutually different levels of tone. By such outlines, the character c... | 04/06/1993 |
| 4979130 | Method of creating hollow multistroke characters A method of generating hollow multistroke characters. First and second bit maps are created using border and interior data from a polygon fill drawing a first stroke. Data from the polygon fill drawing a second stroke is processed in a RMW LOGIC utilizing... | 12/18/1990 |
| 4937761 | Method and apparatus for enhanced speed graphic image processing Method and apparatus for graphic-image processing and font modification in laser printers, wherein the fonts and graphic images represented by a list of parameters are converted to discrete points, transformed to a new coordinate system wherein the font c... | 06/26/1990 |
| 4680720 | Dot interpolation control system A dot interpolation control system according to the invention includes a dot pattern memory storing character pattern data having a predetermined dot matrix format. Dot data of four adjacent dots is obtained from the dot pattern memory. X and Y off-set va... | 07/14/1987 |
| 4627002 | Method and apparatus for recording characters A method and apparatus for element-by-element and image-line-by-image-line recording of print characters on a full page by means of an exposing beam deflectable over the full page, and which is switched on and off by a control signal. The characters are s... | 12/02/1986 |
