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| Number | Title | Issue Date |
| 7714884 | Optical multi-beam scanning device and image forming apparatus An optical multi-beam scanning device has a plurality of pre-deflection optical units, an optical path synthesizing member and an excessive light processing member. The excessive light processing member processes excessive light emitted from an excessive light emitt... | 05/11/2010 |
| 7489329 | Scanning apparatus using vibration light modulator The present invention relates, in general, to scanning apparatuses using a vibration light modulator and, more particularly, to a scanning apparatus using a vibration light modulator, which performs high speed scanning using a plurality of diffracted beams, formed f... | 02/10/2009 |
| 7474324 | Printing apparatus using order-separation type optical modulator Disclosed herein is a printing apparatus using an order-separation type optical modulator. The printing apparatus includes an illumination lens system, a diffraction type optical modulator, a filter system, and a projection system. The illumination lens system conve... | 01/06/2009 |
| 7423798 | Addressing circuit and method for bi-directional micro-mirror array A control substrate of spatial light modulator for a bi-directional micro mirror array includes a plurality of unit cells, each includes a common electrode at a fixed constant potential and an addressing electrode under the mirror plate on opposite sides of a pivot ... | 09/09/2008 |
| 7405414 | Method and apparatus for patterning a workpiece The present invention relates to a method for creating a pattern on a workpiece sensitive to electromagnetic radiation. Electromagnetic radiation is emitted onto a computer controlled reticle having a multitude of modulating elements (pixels). The pixels are arrange... | 07/29/2008 |
| 7403216 | Film exposure method and apparatus using liquid crystal display A film exposure apparatus employs a liquid crystal display. The film exposure apparatus may reduce the film and plate fabrication cost and time required in a publication printing process and may also enhance printing quality. The apparatus may include an exposure de... | 07/22/2008 |
| 7394524 | Lithographic apparatus, device manufacturing method, and device manufactured thereby Apparatus and methods for compensating for the movement of a substrate in a lithographic apparatus during a pulse of radiation include providing an optical structure configured to move a patterned projection beam incident on the substrate in synchronism with the sub... | 07/01/2008 |
| 7375739 | Image management system operable to manage the formation of dynamically variable images in objects in single shot events A supply chain monitoring system having a laser-based image system usable within an object processing facility to form images in objects, a reader operable to read the images on the objects, and an object tracking system coupled to the reader over a data network. Th... | 05/20/2008 |
| 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 |
| 7358983 | Printing apparatus A printing apparatus for printing an image onto a recording medium based on input image data, comprises an electrostatic latent image carrier for forming an electrostatic latent image, and an exposure controller for forming the electrostatic latent image correspondi... | 04/15/2008 |
| 7355615 | Optical scanning apparatus The optical scanning apparatus includes a light amount reducing filter such as a neutral density filter which has transmittance ηnd satisfying an expression ηnd=(W1/W0)/(ηAOM×ηref×ηtra | 04/08/2008 |
| 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 |
| 7348111 | Reduction of imaging artifacts in a platesetter having a diffractive modulator A platesetter may have an optical imaging head which includes a diffractive modulator having individually controlled ribbons associated with individual pixels imaged onto a printing plate. One method for reducing artifacts transferred to a medium includes the steps ... | 03/25/2008 |
| 7336391 | Multi-exposure drawing method and apparatus therefor In a multi-exposure drawing method for drawing a pattern on a drawing surface, using an exposure unit including a plurality of optical modulation elements arranged in a matrix manner, the unit is continuously and relatively moved at a constant velocity with respect ... | 02/26/2008 |
| 7333127 | Image recording apparatus and image recording method using diffraction grating type light modulator In an image recording apparatus for recording an image by guiding zeroth order diffracted light beams from a plurality of diffraction grating type light modulator elements as signal beams to a recording medium, a transition of each of light modulator elements from a... | 02/19/2008 |
| 7330296 | Synchronous detector, optical scanner, and image forming apparatus A synchronous detector detects timing of scanning by an optical scanner in an image forming apparatus. The optical scanner has a light source that emits a light beam, a deflecting unit that deflects the light beam, a scanning optical element that focuses the light b... | 02/12/2008 |
| 7327914 | Adaptive optical signal processing with multimode waveguides Optical signals are passed in an optical medium using an approach that facilitates the mitigation of interference. According to an example embodiment, a filtering-type approach is used with an optical signal conveyed in an optical fiber, such as a multimode fiber (M... | 02/05/2008 |
| 7293882 | Optical relay An optical relay includes a first lens, a lens module, and a second lens. The first lens is configured to receive modulated light from a first spatial light modulator. The first lens is configured to refract the modulated light into the lens module. The lens module ... | 11/13/2007 |
| 7292376 | Device for digitally generating images The invention relates to a device for digitally generating images on photosensitive material comprising a light source, a liquid crystal display (LCD) unit and imaging optics. According to the invention, the LCD unit and the imaging optics are mounted in the same le... | 11/06/2007 |
| 7287700 | Light emitting timing adjustment method, laser scanning apparatus, and image formation apparatus A laser scanning apparatus includes: a plurality of laser light sources including a first laser light source and a second laser light source; a scanner for scanning laser lights emitted from the plurality of laser light sources in a main scanning direction; a light ... | 10/30/2007 |
| 7286155 | Optical engine using one-dimensional MEMS device In one embodiment disclosed, an optical engine includes a light modulator coupled to illumination optics and imaging optics. The light modulator may be located at about an object plane. The imaging optics may include a scanner and a spatial filter located at about a... | 10/23/2007 |
| 7280568 | Laser coherence control using homogeneous linewidth broadening An apparatus and method for linewidth broadening applied to a laser that emits a light having an output frequency ν and an emission linewidth δE. The apparatus is equipped with an electro-optic modulator for intercepting the light and a noise generator ... | 10/09/2007 |
| 7280228 | System and method of measurement, system and method of alignment, lithographic apparatus and method A lithographic apparatus includes a measurement system including at least one optical component and at least one electrical component. The electrical component is configured to dissipate heat. The optical component is mounted on a first frame of the apparatus, and t... | 10/09/2007 |
| 7274500 | Display system incorporating trilinear electromechanical grating device A display system comprises a light modulator having at least three linear arrays of light modulating devices on a common substrate, at least one light source producing at least three colors of light for illuminating the at least three linear arrays, a lens for creat... | 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 |
| 7248278 | Apparatus and method for laser printing using a spatial light modulator The disclosure relates to a printing system having a linear diffractive spatial light modulator (LDSLM) assembly that diffracts light from a laser source according to or under the influence of an applied electric field applied to the LDSLM assembly. In one embodimen... | 07/24/2007 |
| 7233418 | Calibration method for quick scanning starts A method for calibrating a scanner that allows the scan to start quickly. ... | 06/19/2007 |
| 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 |
| 7218336 | Methods and apparatus for driving illuminators in printing applications A method of providing drive signals to an illuminator module having a plurality of channels in a printing application. Binary image data including image bits is provided from a data source to the illuminator module. Each image bit is converted to a multi-bit amplitu... | 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 |
| 7212225 | Enhanced resolution image recording method and enhanced resolution image recording apparatus The image recording method and apparatus are used to record an image formed by a group of light source elements disposed in a two-dimensional manner corresponding to recording pixels on a recording medium. In the image recording method and apparatus, an image record... | 05/01/2007 |
| 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 |
| 7199810 | Beam scanning apparatus having polarization direction adjuster A beam scanning apparatus projects a beam onto a photoconductive drum according to corresponding image data, and includes a micro polarized array which is formed to receive a beam emitted from a light source and has a plurality of polarized cells arrayed in a predet... | 04/03/2007 |
| 7196716 | Electronic trapping implementation in imager with laser driver An electronic trapping implementation in imager with laser driver is provided by comparing an output image from the imager to a reference image to obtain a difference image and calculating one or more frequency and amplitude modulations based on the difference image... | 03/27/2007 |
| 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 |
| 7173687 | Lithographic apparatus, device manufacturing method, and device manufactured thereby Apparatus and methods for compensating for the movement of a substrate in a lithographic apparatus during a pulse of radiation include providing an optical structure configured to move a patterned projection beam incident on the substrate in synchronism with the sub... | 02/06/2007 |
| 7167194 | Printing a code on a product A method for printing is described. The method includes providing a printing system for printing a code on a product moving in a direction. The code is constructed from a plurality of pixels in a first data set indicating the positions of the pixels and generates a ... | 01/23/2007 |
| 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 |
| 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 |
| 7136087 | Multi-exposure drawing method and apparatus therefor In a multi-exposure drawing method for drawing a pattern on a drawing surface, using an exposure unit including a plurality of optical modulation elements arranged in both a first array-direction and a second array-direction, the exposure unit is moved in relation t... | 11/14/2006 |
