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Comic actor Danny Kaye received patent D166,807 for the co-design of "Blowout Toy or the Like". It's similar to one of those toys that unravels when you blow into at a birthday party except Kaye's has three blowouts going in different directions, not just one.

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Class 358/3.18 - Dispersed pattern


Subclass of Class 358 - Facsimile and static presentation processing
Definition: Subject matter wherein dithering produces an ordered,
No. of patents: 18
Last issue date: 05/06/2008


NumberTitleIssue Date
7369276Multi-level halftoning providing improved texture uniformity
A method for multi-level halftoning an input digital image to form an output digital image which includes a multi-level error diffusion halftoning process incorporating periodic dither signals whose amplitudes are adjusted as a function of the error-diffusion textur...
05/06/2008
7330191System for secure text display
Techniques for securely displaying text on a display panel involve destroying spatial and temporal correlations in an otherwise uniform visual field. The techniques render the displayed text secure with respect to attempts to copy the text using a video capture devi...
02/12/2008
7301673Error diffusion processing method
An error diffusion processing method includes determining a binary value of an input pixel according to a grayscale level of the input pixel, searching a nearest pixel that has the same binary value as the input pixel, and comparing a measured actual distance with a...
11/27/2007
7239429Method and apparatus for generating dispersed cluster screen
A method for generating a dispersed cluster screen defining a stable environment for printing an image is provided. The method initiates with generating a pattern of cluster centroids. Then a cluster growth sequence is defined. Next, a cluster is grown around the cl...
07/03/2007
7233339Method and apparatus for performing dithering
A method and apparatus for dithering may provide filtering M bit data and performing a temporal/spatial compensation based on LSB of the filtered M bit data. The dithering may be performed on a selected frame. M-2 bits of the M bit data may be specified as a referen...
06/19/2007
7190380Generating and displaying spatially offset sub-frames
A method of displaying an image with a display device includes receiving a first set of image data for a first image. A first sub-frame and a second sub-frame corresponding to the first set of image data are generated. A bit-depth of the first and the second sub-fra...
03/13/2007
7102791Mask producing method, image outputting device and computer readable recording medium
A mask is produced for converting multi-level image data into a halftone image through comparison with a threshold for each pixel. For this purpose, a dot pattern is determined on each of predetermined gray scale levels, and, the mask is created by the dot patterns ...
09/05/2006
7061650Method and apparatus for bayer mosaic image conversion
A method of, and an apparatus for, image conversion. The three color channels of a Bayer mosaic image are up-interpolated from input space to output space. The pixels sampled from each two-dimensional color plane of the Bayer image are convolved with a coefficient k...
06/13/2006
6982799Creating composite page images from compressed data
A printhead controller controls printing of a page by at least one printhead. The printhead controller, in use, receives data, in a compressed format relating to the page to be printed, the data including a page description comprising a bi-level black layer and a co...
01/03/2006
6724499Pseudo halftone image expression method
There is provided a pseudo-halftone image expression method capable of processing vector data with an excellent image quality and small computational complexity. Gray levels of n×n/m are expressed by varying the number of formed dots within a matrix of n×n dots on...
04/20/2004
6680786Image processing method and device for half-tone representation
A method of representing a half-tone level with dot sets each comprised of contiguous dots including the steps of providing a dot-set center at an offset point that is neither a center of a dot nor a midpoint between centers of dots, selecting dots that a...
01/20/2004
5832122Method of processing image data
When threshold data of a threshold matrix are to be established, they are determined in an ascending or descending order so as to maximize the distance between the thresholds in the threshold matrix and other identical threshold matrixes positioned in sur...
11/03/1998
5696602Method for halftoning using stochastic dithering with minimum density variance
A dispersed-dot stochastic dither array is provided for rendering halftone images having excellent visual quality and are created by a minimum density variance method. The minimum density variance method considers the statistical distribution of the pixel...
12/09/1997
5588094Post-processing bit-map decimation compensation method for printing high quality images
A digital halftone pattern geometry adapted not to the characteristics of variable dot size printing presses but to the operating characteristics of the printer itself achieves a high degree of image quality. Techniques for creating the halftone pattern g...
12/24/1996
5438431Method and apparatus for generating digital halftone images using a rotated dispersed dither matrix
Method and apparatus enabling color or black/white bi-level or multi-level halftone images to be displayed or printed on various raster output devices, in particular on display devices (cathode ray tubes, plasma displays, liquid crystal displays) or on pr...
08/01/1995
5331429Digital generation of halftone images with error diffusion and frequency matched periodic screen rulings
An error diffusion, or adaptive dither method of producing halftone images includes an injected periodic screen pattern. The frequency of error diffusion dot formation is tuned to roughly match the frequency of the periodic screen pattern by adjustment of...
07/19/1994
5198910Mixed matrix image processing for rendering halftone images with variable dot sizes
An image processing system renders halftone images with an increased number of gray level steps without increasing the number of sub-elements in the halftone cells. A document copying apparatus which generates a plurality of electrical image signals of su...
03/30/1993
4823189Method and apparatus for creating a dither pattern
A record in which a color is represented on a record medium at a selected gray scale level is created by resolving an addressable area of the record medium into a square array of addressable record locations and organizing the record locations into a plur...
04/18/1989
 
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