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| Number | Title | Issue Date |
| 7916164 | Labeling methods and apparatus using energy of two wavelengths A method of measuring a relative darkness of an image recorded on a recording medium, comprising: applying first electromagnetic energy having a first wavelength to the recording medium to record an image thereon, applying second electromagnetic energy having a seco... | 03/29/2011 |
| 7885518 | Recording control device and method, recording medium, and program A recording control device records a program to be reserved for recording on the basis of reservation information including recording start time information indicating a time, at which recording starts, and recording end time information indicating a time, at which ... | 02/08/2011 |
| 7834900 | Method and apparatus for correcting banding defects in a photoreceptor image forming apparatus A method and apparatus for correcting banding defects in a photoreceptor image forming apparatus. The method or apparatus may form one or more images using one or more laser beams to alter an electrostatic charge on a photoreceptor, check the one or more images for ... | 11/16/2010 |
| 7777773 | Image quality attributes tracking and preventive maintenance prediction Image quality assessment test charts and objective image quality measurement systems may be used to evaluate the printer sub-system health before artifacts become objectionable to human observers. Diagnostic images may be printed to allow measurement of a number of ... | 08/17/2010 |
| 7742067 | Image forming apparatus having a exposure control unit capable of changing an exposure ratio between a first exposure ratio and a second exposure ratio different from the first exposure ratio when a first exposure unit or second exposure unit exposes an image carrier on the basis of image data for forming an image with a certain density In an early-middle stage of a photosensitive drum life cycle, an image forming apparatus uses only a second semiconductor laser having an oscillation wavelength 660 nm to perform writing of an electrostatic latent image on a photosensitive drum surface. In a middle-... | 06/22/2010 |
| 7705870 | Laser marking device, laser marking method, and object to be marked A laser marking device that irradiates a laser beam on a workpiece (W) to transform a portion inside the workpiece at a focal point of the laser beam, thus putting a dot in each predetermined area. The laser marking device includes acquiring mechanism (10, 20... | 04/27/2010 |
| 7400339 | Method and system for automatically compensating for diagnosed banding defects prior to the performance of remedial service A system that extends the operational effectiveness of an image reproduction machine without requiring downtime for service by personnel includes a detection subsystem that monitors components of an image reproduction system for detecting a banding defect in the ima... | 07/15/2008 |
| 7397491 | Light-emitting device and image forming apparatus A light-emitting device has a plurality of pixel circuits arranged in one direction, each of the plurality of pixel circuits having a light-emitting element that emits light according to the amount of driving current, a driving transistor that supplies the driving c... | 07/08/2008 |
| 7375740 | Method and apparatus for adjusting printbar uniformity In a printing system, a method is used for adjusting currents to LEDs in an LED printbar to achieve uniformity of the print. The line test pattern and halftone strips test pattern are printed. The test patterns are scanned. An LED line metric of each LED test patter... | 05/20/2008 |
| 7369150 | Method, system and program product for amplitude modulated multiple pel print quality enhancement Disclosed is a method, system and program product for performing multiple-pel print quality enhancement (PQE) using amplitude modulation. A determination is made of an adjusted peak amplitudes value of each pel of an image. At least two adjacent pels are then groupe... | 05/06/2008 |
| 7342949 | Laser scanning device A laser scanning device includes a semiconductor laser that emits a laser beam, a laser power detector that detects laser beam power of the semiconductor laser, a reference voltage generator that generates reference voltage for controlling the laser beam power of th... | 03/11/2008 |
| 7339602 | Image-drawing device and image-drawing method An image-drawing device, which carries out image-drawing on the basis of image-drawing data, has image-drawing heads which are moved relatively in a predetermined scanning direction along an image-drawing surface. The image-drawing heads have a large number of image... | 03/04/2008 |
| 7324130 | LED driver with integrated bias and dimming control storage A LED driver IC includes a control module(s) for controlling one or more LED drive parameters and non-volatile memory for storing settings data for that control module(s). The control module(s) is fully integrated into the LED driver IC and does not require any cont... | 01/29/2008 |
| 7324131 | Method for setting a device for image reproduction on printing plates A method sets up a device for image reproduction on printing plates. The fastening of image reproduction members, their orientation and tolerances, and also tolerances in the positioning of the image reproduction members on a guide or a spindle, lead to mis-position... | 01/29/2008 |
| 7315315 | Halftone processing method in laser printer and apparatus using the same A halftone processing method for correcting the variation in light intensity on a photoconductive drum and an apparatus using the same, wherein the method includes the steps of preparing a plurality of dithering functions, detecting the position where image data for... | 01/01/2008 |
| 7310107 | Method for monitoring image calibration A method for monitoring and adjusting the calibration for an image processing apparatus entails imaging a calibration target to create an image using the image processing apparatus and scanning the image into host software to create an exposure calibration curve. Co... | 12/18/2007 |
| 7301552 | Image forming apparatus with printing data correction arrangement An image forming apparatus with a plurality of driven elements has a memory for storing driving data on each of the driven elements for driving the driven elements, and a computing unit that reads, from the memory, driving data on a driven element corresponding to a... | 11/27/2007 |
| 7289137 | Method and test form for equalizing the exposure heads in an exposer for printing originals A method and a test form for equalizing exposure heads of an exposer recording printing originals onto a recording material with exposure heads, with regard to the area coverage recorded. Each head contains a laser module generating a laser beam and focusing it onto... | 10/30/2007 |
| 7286764 | Reconfigurable modulator-based optical add-and-drop multiplexer An optical add and drop multiplexer system comprising a first module for providing a first signal; a second module for providing a second signal; and a modulator for receiving a channel of the first signal at a first location, the first location configured to actuat... | 10/23/2007 |
| 7283149 | Optical head and image forming apparatus employing the same Image data is inputted from a data processing device 23 into storage means 24 formed on a light-emitting element (yellow) line head 28 so that light emitting elements in one line 28a expose pixels on an image carrier in response to... | 10/16/2007 |
| 7283151 | Pixel clock generation device causing state transition of pixel clock according to detected state transition and phase data indicating phase shift amount A transition detection circuit detects a transition of a state of a pixel clock, and outputs a detection signal according to a timing of the detected state transition. A control signal generation circuit generates a control signal according to the detection signal a... | 10/16/2007 |
| 7283150 | Flexible media magnetic printing system A flexible media magnetic printing system provides for data storage within flexible media imprinted with magnetic ink. In a particular embodiment, the printing system includes at least one reservoir of magnetic ink with magnetic particles capable of supporting high ... | 10/16/2007 |
| 7268915 | Image processing apparatus, image processing method, control program, and recording medium An object of this invention is to provide an image processing apparatus capable of preventing any color misregistration in printing even when the image processing apparatus is divided into a plurality of semiconductor integrated circuits. An image processing apparat... | 09/11/2007 |
| 7265596 | Data latch circuit of semiconductor device A data latch circuit for latching a data signal in synchronization with a clock signal includes a hold time delay unit for generating a first clock signal by delaying the clock signal for a hold time of the data signal and an inverse first clock signal as a second c... | 09/04/2007 |
| 7262752 | Series led backlight control circuit A light emitting diode control circuit provides a plurality of series light emitting diodes (LEDs) that are fault tolerant, temperature compensated, and temperature derated. The series LEDs may be used to backlight an LCD in such applications as laptop computers, pe... | 08/28/2007 |
| 7256910 | Color separation method and printed product of the method A method is described for overcoming the adverse visual effect of misregistered ink planes in multiple ink color prints. Color separations are initially made in a normal fashion. The separation carrying the greatest object detail is then chosen as a luminance or ach... | 08/14/2007 |
| 7256803 | Direct thermal printer A direct thermal printer device that can be used in any application using thermal printers. A direct thermal printer creates images on thermally active medium by applying light energy or radiant thermal energy created by a thermal heat source to create the heat nece... | 08/14/2007 |
| 7239833 | Image forming device and color misregistration correction method for image forming device An image forming device and a color misregistration correction method allow for stable formation of excellent images with little color misregistration. A reference patch image is formed on a reference photosensitive drum 3, and transferred to a transfer belt ... | 07/03/2007 |
| 7228004 | Method for sharpening a digital image A method of sharpening a digital image having image pixels values includes the steps of: determining a Dmin value, representing a value corresponding to a minimum possible exposure for a system that produced the digital image; for each pixel value in the ... | 06/05/2007 |
| 7224379 | Printer using direct-coupled emissive array A contact printing apparatus (100), using a direct-coupled emissive array (20) of individual light emitting pixels (22), forms an image from digital data onto a photosensitive medium (16). The direct-coupled emissive array (20) is ... | 05/29/2007 |
| 7222932 | Printer The present invention provides a compact printer that can print images of high quality even if the images are printed successively. A temperature at the time of turn-on is detected by a temperature sensor, and a CPU estimates the temperature of an exposure head at t... | 05/29/2007 |
| 7221495 | Thin film precursor stack for MEMS manufacturing This invention provides a precursor film stack for use in the production of MEMS devices. The precursor film stack comprises a carrier substrate, a first layer formed on the carrier substrate, a second layer of an insulator material formed on the first layer, and a ... | 05/22/2007 |
| 7215353 | Method and apparatus for image forming capable of effectively controlling a light beam with a pulse width modulation An image forming apparatus includes a modulation data storage, a pulse width modulator, and an optical writing mechanism. The modulation data storage stores different gray-scale pulse sets. Each set includes gray-scale pulses having pulse widths different from each ... | 05/08/2007 |
| 7215822 | Image processing device and image outputting device The invention naturally enhances the sharpness of an image by performing appropriate sharpness processing. An image processing device receives input original image data, performs sharpness processing, and outputs correction image data. Specifically, the degree of th... | 05/08/2007 |
| 7193641 | Stitching prevention in multibeam imaging for exposing printing plates A method of exposing imaging data onto a sensitized medium including exposing K sets of N of tracks on to the medium according to a corresponding part of imaging data, each successive set being a pixel distance apart in a fast scan direction. The method further incl... | 03/20/2007 |
| 7190483 | Image recorder An illumination lens applies a laser beam emitted from a laser light source onto a light valve. The laser beam divided into a number of beams and modulated in the light valve is reflected by a total internal reflection prism so that the optical path thereof is bent,... | 03/13/2007 |
| 7177081 | High contrast grating light valve type device A grating light valve has with a plurality of spaced reflective ribbons are spatially arranged over a substrate with reflective surfaces. The grating light valve is configured to optimized the conditions for constructive and destructive interference with an incident... | 02/13/2007 |
| 7177048 | N-channel screening tool A number of lasers (402) used to image a bitmap file (630) of a halftone screen is comprised of generating a first bitmap file (630) for a first color. A first image (710) is printed with the first bitmap file for the first color with n l... | 02/13/2007 |
| 7164520 | Packaging for an interferometric modulator A package is made of a transparent substrate having an interferometric modulator and a back plate. A non-hermetic seal joins the back plate to the substrate to form a package, and a desiccant resides inside the package. A method of packaging an interferometric modul... | 01/16/2007 |
| 7154517 | Image forming apparatus This invention provides an image forming apparatus that can suppress variations in writing densities of LED heads and form stable images. An image forming apparatus has an image retainer 1 for retaining a toner image, an image writing unit 3 equ... | 12/26/2006 |
