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| Number | Title | Issue Date |
| 7898562 | Exposing device and image forming apparatus An exposing device which radiates light on a photoconductor drum which rotates, thereby executing exposure, includes a light-emitting element unit including light-emitting element having an emission area which emits light that is generated, the emission area having ... | 03/01/2011 |
| 7791635 | Image forming apparatus and image forming method In a disclosed image forming apparatus, a developing bias applied to a developer carrier or exposure energy with which an image carrier is exposed is adjusted such that an isolated one-dot image on the image carrier has a predetermined image density. When the image ... | 09/07/2010 |
| 7580053 | Laser control circuit and image forming apparatus An image data processing section subjects input image data to image processing, and outputs first to fourth image data. First to fourth pulse width modulation circuits are PWM circuits in each of which a plurality of reference positions are set in one pixel, and out... | 08/25/2009 |
| 7417660 | Image forming apparatus and image forming method An image forming apparatus generates a PWM signal corresponding to input image data and controls a timing of a light source to emit a light beam based on the PWM signal in order to perform tone reproduction. The image forming apparatus includes a data processing uni... | 08/26/2008 |
| 7388694 | Method, program and system for image drawing Laser information is prepared which indicates the irradiation interval and intensity level to be irradiated on an optical disc in advance. Then, when image drawing is indicated together with the indication of the forming spacing for pits, a laser is controlled so as... | 06/17/2008 |
| 7369151 | Laser control circuit and image forming apparatus An image data processing section subjects input image data to image processing, and outputs first to fourth image data. First to fourth pulse width modulation circuits are PWM circuits in each of which a plurality of reference positions are set in one pixel, and out... | 05/06/2008 |
| 7355618 | Image exposure apparatus An image exposure apparatus of a different angle incident type is provided having a single optical sensor unit for determining the timing for start point synchronization along the main scanning direction, an output level detecting device determining the output level... | 04/08/2008 |
| 7342860 | Method and apparatus for recording data on optical recording medium A method and apparatus to record data on an optical recording medium include generating a recording waveform having an erase pattern comprising a predetermined pulse having a high level which is higher than an erase power level and having a low level which is lower ... | 03/11/2008 |
| 7330423 | High-speed digital subscriber line (HDSL) packet abort retry during channel blocking An apparatus and method is described that allows for improved transmission of EOC data over the EOC channels of communication devices and links, reducing the number of dropped EOC packets and increasing the bandwidth and robustness of the EOC channel. The improved d... | 02/12/2008 |
| 7327380 | Apparatus for printing a multibit image The invention relates to an apparatus for printing a multibit per pixel image (10) from a halftone binary digital bitmap having pixels having a multibit per pixel image memory for receiving the multibit per pixel image; a lookup table (16) external to ... | 02/05/2008 |
| 7317665 | Optical recording method using multiplexer and plural pieces of data bits Information recording equipment of the present invention includes a multiplexer to generate n pieces of synchronous high-speed pulses. Instead of a normal m:1 multiplexer configuration for parallel-serial conversion, an m:n multiplexer configuration is used which ge... | 01/08/2008 |
| 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 |
| 7312772 | Controlling the brightness of image display device Controlling the brightness of an image display device includes generating a clock signal having a frequency that varies according to locations of row electrodes in a predetermined column line and generating a signal having a pulse width corresponding to a gray scale... | 12/25/2007 |
| 7292260 | Image forming apparatus and image forming method An image forming apparatus records an image on a photosensitive material by controlling a light emission amount from a plurality of light emission elements that each emit light in accordance with a supplied light emission control signal. The apparatus has a control ... | 11/06/2007 |
| 7280132 | Method and device for imaging a printing form A method for imaging a printing form (10) using at least one controllable light source (42) is described, a number of image spots (20) being generated at a number of positions on the printing form (10) in accordance with image data in a b... | 10/09/2007 |
| 7277376 | Optical recording method An optical recording method to be used for recording at a high data transfer rate length-modulated marks on a recording medium by applying a recording laser beam locally to the recording medium. The recording laser beam has a writing power Pwi, is and a b... | 10/02/2007 |
| 7274830 | System for multi-sensor image fusion A method and system for fusing image data includes an electronic circuit (L) for synchronizing image frames. An adaptive lookup table unit (302a, 302b) receives the image frame data sets and applies correction factors to individual pixels... | 09/25/2007 |
| 7271821 | Laser printer with reduced banding artifacts A laser scanning assembly generates a laser beam and scans the laser beam through a plurality of scan lines to form desired dots. Each scan line is positioned to overlap an adjacent scan line and each dot includes a plurality of segments. The scanning assembly scans... | 09/18/2007 |
| 7269193 | Semiconductor laser driving circuit and image recording apparatus A semiconductor laser driving circuit for driving a semiconductor laser as an exposure light source is used in an image recording apparatus for recording an image using a light beam from the laser. The light beam emitted from the laser is subjected to pulse modulati... | 09/11/2007 |
| 7253924 | Method of imaging multiple binary bitmaps in a single pass A method for printing multiple binary bitmaps (10) with an original density level (12a) and a color (18), wherein the color (18) is the same for all the multiple binary bitmaps (10), by combining “n” number of binary bit... | 08/07/2007 |
| 7253829 | Printing apparatus and method having functions to compensate for light intensity difference A print apparatus including a photoconductive drum, a laser scanning unit (LSU) to scan a surface of the photoconductive drum, and an image processing unit to generate and output dot size information corresponding to externally input image data. The dot size informa... | 08/07/2007 |
| 7245311 | Image forming apparatus A photosensitive body has a photosensitive layer. An optical scanning device has a deflector deflecting a light flux emitted from a light source, and scans the surface of the photosensitive body by the thus-deflected light flux. A dot is formed at a center between a... | 07/17/2007 |
| 7245314 | Image apparatus and method for converting scanned image data An imaging apparatus forming an image by performing scanning by deflecting a light beam includes a data conversion part that converts multi-bit input image data into data specifying a pulse width or intensity of the light beam. The image data is input to the data co... | 07/17/2007 |
| 7235767 | Circuit arrangement for controlling illuminating means A circuit arrangement is disclosed for controlling an illuminating device, particularly light-emitting diodes, in a control device of a motor vehicle, comprised of at least one illuminating device, which is integrated in a switching circuit having a semiconductor co... | 06/26/2007 |
| 7221383 | Printer for recording on a moving medium A method for forming a pixel (20) having a predetermined density onto a sensitized recording medium moving in a length direction energizes a pixel exposure source (14) to begin exposure at the leading edge (34) of a pixel (20) and for a f... | 05/22/2007 |
| 7218593 | Recording strategy generation method and an optical information recording medium An optical information recording medium is capable of supplying an optimum recording strategy for a high-speed recording, and for a plurality of scanning speeds, using a smaller number of parameters than conventionally required. The parameters include: Td1 | 05/15/2007 |
| 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 |
| 7215354 | Scanning optical system, optical scanning device and image forming apparatus A scanning optical system condensing a beam deflected by an optical deflector so as to form a beam spot on a surface to be scanned, comprises two lenses. A lens on the side of optical deflector has a negative refracting power in sub-scanning direction. A lens on the... | 05/08/2007 |
| 7206011 | Apparatus for and method of recording optically scanned image An image signal with an overshoot is generated on a positive-going edge of an input image signal with an overshoot producing unit. Then, a light signal with an overshoot is outputted from a recording light source in response to the image signal with the overshoot su... | 04/17/2007 |
| 7196717 | Image forming apparatus, control method therefor, and program for implementing the control method An image forming apparatus which is capable of eliminating density irregularities of an image formed caused by potential irregularities of the photosensitive member when the drum is irradiated by a beam of constant luminous intensity. A laser driver irradiates a bea... | 03/27/2007 |
| 7191153 | Content distribution method and apparatus Media which stores protected content is distributed to users without the need for payment at the time of media distribution. Payment can be performed at a later time in response to which content may be enabled, and/or users may selectively pay for, and receive enabl... | 03/13/2007 |
| 7182451 | Method and apparatus for halftone printing with multi-signal transmission ink A method for printing indicium on an article including steps of providing a supply of ink including a multi-signal transmission ink which is adapted to provide an optically visual signal when viewed in normal daylight and adapted to provide a different signal which ... | 02/27/2007 |
| 7185218 | Synchronous controlling unit and synchronous control method An information processing system is operated by reference clock signals supplied to a plurality of units. High frequency clock signals are generated from the reference clock signals supplied. Shift-holding of the reference clock signals is performed based on the hig... | 02/27/2007 |
| 7151557 | Collimation assembly for adjusting laser light sources in a multi-beamed laser scanning unit A collimation assembly for a multi-beamed laser scanner including a collimation housing mounted to a printhead housing of the laser scanner, and at least two adjustment brackets supported on the collimation housing and located adjacent to each other in a cross-scan ... | 12/19/2006 |
| 7148910 | High-speed pulse width modulation system and method for linear array spatial light modulators A high speed pulse width modulation system for driving a linear array spatial light modulator, including: a pixel-serial data source that provides at least one or more pixel-serial input data streams; a fundamental system clock signal; phase-shifted versions of the ... | 12/12/2006 |
| 7145579 | Display apparatus In a display apparatus that receives and then displays R, G, B signals transmitted from a computer via a cable, when correcting phase differences between the respective signals that are generated while the signals are being transmitted, the phase correction amount c... | 12/05/2006 |
| 7145857 | Apparatus and method for generating write pulse appropriate for various optical recording media A write pulse generating apparatus includes a control unit which provides information on an optical recording medium type and information on a recording speed factor, and a control signal generating unit which determines a multi-pulse type which is to be generated i... | 12/05/2006 |
| 7142496 | Optical information recording method, device, and recording medium with plural recording layers A plurality of types of recording pulse control rules for which the recording pulse waveform is determined according to the information signals to be recorded are stored in advance in an optical disk. When recording to the optical disk, information is recorded using... | 11/28/2006 |
| 7102801 | Pulse-width modulated drivers for light-emitting units of scanning mechanism A scanning mechanism of one embodiment of the invention is disclosed that includes light-emitting units, an integrating detector, and pulse-width modulated (PWM) drivers. Each light-emitting unit can emit colored light corresponding to a color of a color space. The ... | 09/05/2006 |
| 7099520 | Image processing apparatus, image processing method, and program product for image processing There is provided an image processing apparatus, image processing method, and a program product for image processing capable of reproducing character images against a background region clearly without white framed areas or turbid areas. An MTF corrector 21 in... | 08/29/2006 |
