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    • 1. 发明专利
    • Single-pass imaging system with anamorphic optical system
    • 具有光学光学系统的单通图像成像系统
    • JP2013050716A
    • 2013-03-14
    • JP2012179816
    • 2012-08-14
    • Palo Alto Research Center Incパロ・アルト・リサーチ・センター・インコーポレーテッドPalo Alto Research Center Incorporated
    • MAEDA PATRICK Y
    • G03F7/20B41J2/445G02B26/08G03F7/24G03G15/04H01L21/027H04N1/113
    • B41J2/465G02B13/08G02B13/24G02B26/0833
    • PROBLEM TO BE SOLVED: To provide an imaging system used for single-pass high-resolution high-speed printing applications, in which an anamorphic optical system is utilized to concentrate a low-intensity modulated light field, thereby simultaneously generating high total optical intensity along the entire length of a line image, to simultaneously generate every dot-like pixel image.SOLUTION: A simplified single-pass imaging system 100 utilized to generate a substantially one-dimensional line image of a two-dimensional image on an imaging surface 162 using an anamorphic optical system 130 further includes: a homogenous light generator 110; a spatial light modulator 120 that is controlled by a controller 180 to modulate homogeneous light 118A received from the homogenous light generator 110; and an anamorphic optical system 130 that is positioned to image and concentrate a modulated light field 119B generated by the spatial light modulator 120, and to project a substantially one-dimensional line image SL on an imaging surface 162.
    • 要解决的问题:为了提供用于单程高分辨率高速打印应用的成像系统,其中使用变形光学系统来集中低强度调制光场,从而同时产生高总量 沿着线图像的整个长度的光强度,以同时产生每个点状像素图像。 解决方案:用于使用变形光学系统130在成像表面162上生成二维图像的基本上一维线图像的简化单遍成像系统100还包括:均质光产生器110; 由控制器180控制的空间光调制器120,以调制从均质光发生器110接收的均匀光118A; 以及变形光学系统130,其被设置成对由空间光调制器120产生的调制光场119B进行成像和集中,并且将基本上一维的线图像SL投影到成像表面162上。版权所有(C) )2013,JPO&INPIT
    • 2. 发明专利
    • Optical data transmission system for direct digital marking system
    • 用于直接数字标记系统的光学数据传输系统
    • JP2012228875A
    • 2012-11-22
    • JP2012087682
    • 2012-04-06
    • Xerox Corpゼロックス コーポレイションXerox Corporation
    • CARDOSO GEORGE CKANUNGO MANDAKINIFOLKINS JEFFREY J
    • B41J2/445G03G15/04
    • G03G15/34
    • PROBLEM TO BE SOLVED: To provide a direct digital marking system with a simple configuration.SOLUTION: An apparatus for printing a latent image includes a light source, a photodetector, a rotary contact, a power supply, driving electronics and a plurality of thin-film transistors. The light source receives the digital data signals and transmits encoded optical data signals. The photodetector receives the encoded optical data signals and transmits signals including selection signals and digital pixel voltages. The rotary contact receives operating voltage potentials from a controller and the power supply receives the operating voltage potentials from the rotary contact. The power supply generates a low voltage potential, a ground potential and a high voltage potential. The driving electronics receive the low voltage potential, the ground potential, selection signals and digital pixel voltages and generate bias signals and pixel voltages. The plurality of TFTs receive the high voltage potential, the bias signals and the pixel voltages and drive the hole injection pixels to generate an electrostatic latent image.
    • 要解决的问题:提供具有简单配置的直接数字标记系统。 解决方案:用于打印潜像的设备包括光源,光电检测器,旋转接触器,电源,驱动电子器件和多个薄膜晶体管。 光源接收数字数据信号并发送编码的光数据信号。 光电检测器接收编码的光数据信号并发送包括选择信号和数字像素电压的信号。 旋转触点从控制器接收工作电压电位,电源接收来自旋转触点的工作电压电位。 电源产生低电压电位,地电位和高电压电位。 驱动电路接收低电压电位,地电位,选择信号和数字像素电压,并产生偏置信号和像素电压。 多个TFT接收高压电位,偏置信号和像素电压,并驱动空穴注入像素以产生静电潜像。 版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Liquid crystal optical device, optical path switching device, optical scanner, and image forming apparatus
    • 液晶光学装置,光路切换装置,光学扫描仪和图像形成装置
    • JP2009258533A
    • 2009-11-05
    • JP2008109848
    • 2008-04-21
    • Ricoh Co Ltd株式会社リコー
    • TOKITA TOSHIAKIKOBAYASHI MASANORI
    • G02F1/133B41J2/445G02B26/12G02F1/13G02F1/31
    • PROBLEM TO BE SOLVED: To provide a liquid crystal optical device having a configuration capable of simplifying an element structure and a process. SOLUTION: The liquid crystal optical device includes: a liquid crystal optical element 20 provided with a pair of substrates, transparent electrodes formed on the pair of substrates and a bistable ferroelectric liquid crystal layer held between the pair of substrates and forming a smectic layer to change the polarizing direction of incident light by voltage application and emit the direction-changed light; a voltage application means 31 for applying a voltage to the ferroelectric liquid crystal layer via the transparent electrodes; a light intensity detection means 32 for detecting intensity of light in a predetermined polarizing direction, which is emitted from the liquid crystal optical element; and a smectic layer rotation direction specification means 33 for determining whether a change in the light intensity is different from a predetermined change state or not during a period until the light intensity detected by the light intensity detection means is fixed and specifying a smectic layer rotation direction from a predetermined direction. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供具有能够简化元件结构和工艺的结构的液晶光学器件。 解决方案:液晶光学器件包括:设置有一对基板的液晶光学元件20,形成在一对基板上的透明电极和保持在该对基板之间的双稳态铁电液晶层,并形成近晶 层,通过施加电压来改变入射光的偏振方向,并发射方向变化的光; 电压施加装置31,用于经由透明电极向铁电液晶层施加电压; 用于检测从液晶光学元件发射的预定偏振方向的光强度的光强度检测装置32; 以及用于在直到由光强度检测装置检测到的光强度固定并且指定近晶层旋转方向的时间段期间,确定光强度的变化是否与预定的改变状态不同的近晶层旋转方向确定装置33 从预定方向。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Printhead and image forming apparatus employing printhead
    • 打印头和图像形成装置使用打印机
    • JP2009137285A
    • 2009-06-25
    • JP2008274655
    • 2008-10-24
    • Samsung Electronics Co Ltd三星電子株式会社Samsung Electronics Co.,Ltd.
    • SEO WOON-HO
    • B41J2/445G02B3/00G03G15/04
    • B41J2/451B41J2/465
    • PROBLEM TO BE SOLVED: To provide a printhead having a simple constitution, and thereby capable of suppressing a manufacturing cost, and also to provide an image forming apparatus employing the printhead. SOLUTION: The printhead selectively irradiating a photosensitive medium with light for each pixel, is provided with: an illumination unit 10 for emitting light; a liquid crystal layer 26 which transmits or shuts off incident light from the illumination unit in units of pixels according to an applied voltage; and a micro lens array 28 formed of liquid crystal polymer so that the light transmitted through the crystal layer is focused on the photosensitive layer or diffused. The micro lens array 28 may be provided with: a first surface 28a formed into a plane and brought into contact with the crystal layer; and a plurality of convex lens cells 27 arranged in the width direction of the photosensitive medium on a second surface 28b opposite the first surface. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种具有简单结构,从而能够抑制制造成本的打印头,并且还提供一种采用打印头的图像形成装置。 解决方案:打印头为每个像素选择性地向光敏介质照射光,设置有:用于发光的照明单元10; 液晶层26,根据施加的电压以像素为单位透射或遮断来自照明单元的入射光; 以及由液晶聚合物形成的微透镜阵列28,使得透过晶体层的光聚焦在感光层上或扩散。 微透镜阵列28可以设置有:形成为平面并与晶体层接触的第一表面28a; 以及在与第一表面相对的第二表面28b上沿感光介质的宽度方向布置的多个凸透镜单元27。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Method for manufacturing organic electroluminescence exposure head
    • 制造有机电致发光头的方法
    • JP2009051200A
    • 2009-03-12
    • JP2008178950
    • 2008-07-09
    • Seiko Epson Corpセイコーエプソン株式会社
    • YONEKUBO MASATOSHI
    • B41J2/445B41J2/44B41J2/45B41J2/455G02B3/00G03G15/04H01L51/50H04N1/036H05B33/02
    • PROBLEM TO BE SOLVED: To provide a small size optical print head focusing the luminous fluxes from the respective elements onto a photosensitive body in sufficient resolution and contrast by reducing crosstalk and the image forming device using the same. SOLUTION: The optical print head forms a predetermined pattern on an image carrier 5 by projecting the modulated luminous fluxes from the light emitting sections 2 of the light emitting element array 1 or the modulated luminous fluxes passing through the shutter sections 2 of the light shutter element array 1 onto the image carrier 5, the optical print head is constituted by arranging microlenses 4 in an aligning positions corresponding to the respective light emitting sections 2 of the light emitting element array 1 or the respective shutter sections 2 of the light shutter element array 1 via a transparent body 3 and a low refractive layer 6 with a lower refractive index than that of the transparent body 3 in turns. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种小尺寸光学打印头,通过减少串扰和使用其的图像形成装置,将来自各个元件的光束以足够的分辨率和对比度将光束聚焦到感光体上。 解决方案:光学打印头通过投射来自发光元件阵列1的发光部分2的调制光束或通过光发射元件阵列1的光闸部分2的调制光束,在图像载体5上形成预定图案 光快门元件阵列1到图像载体5上,光学打印头通过将微透镜4布置在与发光元件阵列1的各个发光部分2相对应的对准位置或光闸的相应的光闸部分2 元件阵列1经由透明体3和折射率低于透明体3折射率的低折射层6。 版权所有(C)2009,JPO&INPIT