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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7830552 | Black white image scaling having print density control and polarity detection A scaling system and method for scaling a bitonal image that has print density control. A system for scaling a bitonal image is provide that includes: a polarity detection system for detecting a polarity of the bitonal image; a pixel reduction system that generates ... | 11/09/2010 |
| 7808677 | Printer controller configured to perform a method of page expansion and printing The invention provides for a printer having a controller configured to perform a method of page expansion and printing of image data received from a computer. The method includes the steps of receiving a page description from the computer, the page having a bi-level... | 10/05/2010 |
| 7646511 | Method of printing a compressed image having bi-level black contone data layers The invention relates to a method of printing a compressed image having a bi-level black data layer and a continuous tone (contone) CMYK data layer. The method includes the steps of receiving the image from an image host, expanding the image by decompressing the two... | 01/12/2010 |
| 7359553 | Image identification system Methods and procedures for improving the performance and reliability of image analysis within an image identification system include a series of image qualification functions designed to quickly process a fraction of available image data and to provide feedback to a... | 04/15/2008 |
| 7352490 | Method and system for generating contone encoded binary print data streams A method and system to convert an electronic image file described in a page description language containing both contone and non-contone image objects to an intermediate binary format image. The intermediate format image separately encodes the contone and non-conton... | 04/01/2008 |
| 7336397 | Image processing method for execution externally and internally to a printer A method for image processing data representing a page to be printed includes the step of respectively receiving, in a data processing apparatus, external to a printer, data representing a bi-level black layer and a contone layer of a page to be printed. In the data... | 02/26/2008 |
| 7321447 | System and method for processing a multi-colour image A system and method are provided for processing digital multi-colour images for the reproduction thereof on a colour printing and/or copying system. Image dots of marking particles of the respective colours associated with the respective colour separation images are... | 01/22/2008 |
| 7245399 | Method of printing page data with a pagewidth inkjet printhead Compressed page data incorporating compressed contone CMYK data and bi-level black data is received. The contone CMYK data and bi-level black data are expanded in parallel operations. The CMYK contone data is composited to bi-level CMYK data. The bi-level black data... | 07/17/2007 |
| 7239430 | Binary halftone detection A method to detect frequency and angle of a binary halftone pattern. The method employs an exclusive-or operation which is applied locally to a region of a binary bit map and its spatially shifted version. The resulting bits from the exclusive-or operation are summe... | 07/03/2007 |
| 7224486 | Image conversion method, image conversion apparatus, and image conversion program storage medium In an image conversion method of performing an image conversion between binary area tonal image-to-binary area tonal image, an image conversion apparatus, and an image conversion program storage medium storing an image conversion program which causes a computer to o... | 05/29/2007 |
| 7218415 | Integrated circuit for printer An integrated circuit fabricated on a single substrate. The integrated circuit includes a data bus and purpose-specific functional units connected to the data bus. The functional units include a JPEG decoder, a compressed bi-level expander, a halftoner, and a printh... | 05/15/2007 |
| 7215443 | Method of and apparatus for printing It is necessary that paper be moved past the printhead at a constant velocity to obtain artifact-free printing. Therefore the printhead requires a constant stream of data during printing. Whilst it is possible to rasterize the page using a page description language ... | 05/08/2007 |
| 7212311 | Image processing condition setting apparatus and image processing condition setting program storage medium There is disclosed an image processing condition setting apparatus for determining an image processing condition defining contents of an image processing to set up the image processing condition to an image processing apparatus for executing the image processing in ... | 05/01/2007 |
| 7206098 | Method for avoiding print buffer underrun In order to avoid print buffer under-run a printing method involves a printer printing a rendered first page of print data while another page is rendered in a connected computer. Simultaneously, a previously rendered page of print data is transmitted from the comput... | 04/17/2007 |
| 7196820 | Printer controller for a pagewidth printhead A printer controller for a pagewidth printer includes input interface circuitry configured to receive page description data in the form of bi-level data and contone data. Decompression circuitry is configured to decompress, in parallel processes, the bi-level data a... | 03/27/2007 |
| 7187467 | Image supply apparatus, image output apparatus, control apparatus therefor, and image forming apparatus incorporating them An ink jet printer for forming an ink jet printed long strip of cloth includes a design image generation unit, a receiving unit, a generating unit and a synthesizing unit. The design image generation unit generates design image data representing a design image repea... | 03/06/2007 |
| 7173739 | Pagewidth inkjet printer having composite image printing control A printer is provided comprising a pagewidth inkjet printhead for printing bi-level dots of ink onto print media at a resolution of 800 to 1600 dpi and a controller for controlling the pagewidth inkjet printhead. The controller comprises a receiver for receiving com... | 02/06/2007 |
| 7165824 | Dead nozzle compensation A printer controller for supplying dot data to a printhead in a predetermined order, the printhead comprising at least first and second printhead modules, each of which comprises a plurality of printing nozzles and being disposed adjacent each other such that a prin... | 01/23/2007 |
| 7164795 | Apparatus for extracting ruled line from multiple-valued image A rather expanded binary image and a rather blurry binary image are generated from a multiple-valued image. A ruled line candidate area is extracted from the rather expanded binary image, and the extracted ruled line candidate area is verified using the rather blurr... | 01/16/2007 |
| 7164501 | Printer controller integrated circuit Where the bandwidth of a data link between a printer and a computer is limited it may be desirable to transmit compressed page layout data over the data link. A printer controller chip is provided that processes compressed page layout data corresponding to a ... | 01/16/2007 |
| 7150510 | Print engine controller for an inkjet printhead assembly having infrared tag control A print engine controller for an inkjet printhead assembly includes a data bus. A data interface and a memory interface are connected to the data bus for loading compressed page data into the data bus. Contone expansion circuitry is connected to the data bus to expa... | 12/19/2006 |
| 7139096 | Printing system and printing method The colors used for forming an image are limited in advance to a predetermined number of color patterns called representative colors; on the host side the image data received is divided into blocks, for each of which a representative color is determined in a represe... | 11/21/2006 |
| 7139100 | Image-processing device processing image data by judging a detected and expanded medium-density field as a non-character edge field An image-processing device applies a predetermined process to input image data so as to output the processed image data. The image-processing device comprises a medium-density detection unit, an expansion unit, and a non-character edge judgment unit. The medium-dens... | 11/21/2006 |
| 7099025 | Printing system, printing control method and apparatus printing data in accordance with updated condition information When an engine unit of a printing apparatus issues a calibration request, a controller unit of the printing apparatus stores correction data in a storage unit. Upon printing, a data controller checks if the correction data is stored in the storage unit. If the corre... | 08/29/2006 |
| 7092127 | High data rate printer architecture and method of printing using same A method of printing and the related printer architecture for receiving compressed page data that includes both contone data and foreground bi-level data. Both the contone data and the foreground bi-level data are decompressed. The contone data is halftoned to bi-le... | 08/15/2006 |
| 7092125 | Method of printing using PC and printer It is necessary that paper be moved past the printhead at a constant velocity to obtain artifact-free printing. Therefore the printhead requires a constant stream of data during printing. Whilst it is possible to rasterize the page using a page description language ... | 08/15/2006 |
| 7072076 | Printing method using PC rendering It is necessary that paper be moved past the printhead at a constant velocity to obtain artifact—free printing. Therefore the printhead requires a constant stream of data during printing. Whilst it is possible to rasterize the page using a page description languag... | 07/04/2006 |
| 7065247 | Apparatus for and method of graphics imaging The printer's page description contains a contone layer and a black layer. The black layer is conceptually above the black layer and is composited over the contone layer by the printer. The print driver therefore maintains a page buffer which correspondingly contain... | 06/20/2006 |
| 7062077 | Scanner densitometer and data evaluation method Optically scanned data forms an image stored in a computer memory represented as an array having at least two dimensions. The stored image is subjected to virtual scanning. Thus a subset of the array is defined as a portion of the image having first and second dimen... | 06/13/2006 |
| 6999105 | Image scaling employing horizontal partitioning An apparatus, circuit arrangement, program product and method of scaling an image horizontally partition a source image into a plurality of partitions, with each partition having a width that is no greater than the width of a line buffer used to scale the image. By ... | 02/14/2006 |
| 6999616 | Interpretation of colored documents Automatic interpretation processing operations, such as character recognition, require a binary image of information-bearing image elements and a background. Digital image data produced by scanning a color-containing document frequently contain many different colors... | 02/14/2006 |
| 6980329 | Image processing apparatus and image forming apparatus The image processing equipment produces an image of enhanced quality, having dots with higher density than in an original image, by collating an original image with templates. The present invention reduces required number of templates. Original image data in a colla... | 12/27/2005 |
| 6954556 | Smoothing method, smoothing circuit and image output apparatus A smoothing method extracts an evaluation window including a target pixel of a multi-value image data in which tone is represented by a multi-value in units of pixels, and judges black and white of the target pixel according to a predetermined rule, and binarizes pi... | 10/11/2005 |
| 6944347 | Image compression and restoring method for binary images The present invention relates to the image compression and restoring method for binary images that can be used in binary image equipment including printers. In the present invention, an image is not compressed by each pixel but by cell that combines four pixe... | 09/13/2005 |
| 6930800 | Halftone generation system and halftone generation method All threshold data applied to processing is read into a register so that threshold data read from threshold matrix memory can be recycled until the end of a scanning line for processing, and is selectively output to a plurality of comparison means for executing para... | 08/16/2005 |
| 6921144 | Drop firing control in multicolor ink jet printheads A print engine/controller suited to use with a drop on demand print head. The print engine/controller works with compressed page data having both JPEG contone image layers and a bi-level image plane compressed using a Group 4 facsimile protocol. It receives compress... | 07/26/2005 |
| 6894796 | Method, system, and logic for selecting line work and control data for a pixel from multiple objects of line work data provided for the pixel Disclosed is a method, system, and logic for processing pixel data. A first and second logic units each receive line work data and control data for pixels on a sheet from at least one object. The control data for one pixel indicates whether to use the line work data... | 05/17/2005 |
| 6850338 | Method, system, program, and data structure for generating raster objects Disclosed is a method, system, program, and data structure for generating raster objects. A plurality of input contone and line work objects are received containing contone or line work data for at least one pixel on a sheet. For each input contone object, at least ... | 02/01/2005 |
| 6850340 | Image data processing method and apparatus A method and apparatus for processing original image data that is bit mapped in a main-scanning direction X and a sub-scanning direction Y first multiplies linearly aligned dots in the main-scanning direction X of the original bit mapped image data by a positive int... | 02/01/2005 |
| 6847377 | System, method and computer program converting pixels to luminance levels and assigning colors associated with luminance levels in printer or display output devices Print data suitable for printing or displaying an image are generated by assigning print colors after color reduction using a process that removes color reduction noise and produces clear contours in the print image. A source data capturing unit obtains source data ... | 01/25/2005 |
