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    • 62. 发明申请
    • IMAGE READING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE PROCESSING METHOD
    • 图像读取装置,图像形成装置和图像处理方法
    • US20150244893A1
    • 2015-08-27
    • US14629354
    • 2015-02-23
    • KYOCERA Document Solutions Inc.
    • Kei Tanaka
    • H04N1/047H04N1/40
    • H04N1/40H04N1/40056
    • In an image reading device, a reading control portion reads image data for one line in a main scanning direction from a first reference member having a reference color. A storage portion stores initial reference data for one line generated based on image data for a plurality of lines read from a second reference member by using an image reading portion while a surface of the second reference member having the reference color is moving in a sub scanning direction perpendicular to the main scanning direction. A reference data generation portion generates reference data based on the image data read by the reading control portion and a high-frequency component of the initial reference data stored in the storage portion. A shading correction portion performs shading correction for image data read from a document by the image reading portion, based on the reference data generated by the reference data generation portion.
    • 在图像读取装置中,读取控制部从具有基准颜色的第一基准部件读取主扫描方向的一行的图像数据。 存储部分存储基于通过使用图像读取部分从第二参考构件读取的多行的图像数据生成的一行的初始参考数据,同时具有参考色的第二参考构件的表面在副扫描中移动 方向垂直于主扫描方向。 参考数据生成部分基于由读取控制部分读取的图像数据和存储在存储部分中的初始参考数据的高频分量来生成参考数据。 阴影校正部分基于由参考数据生成部分生成的参考数据,对由图像读取部分的文档读取的图像数据进行阴影校正。
    • 64. 发明申请
    • IMAGE READING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE READING METHOD
    • 图像读取装置,图像形成装置和图像读取方法
    • US20150124299A1
    • 2015-05-07
    • US14534485
    • 2014-11-06
    • KYOCERA Document Solutions Inc.
    • Takashi INOUE
    • H04N1/047H04N1/10
    • H04N1/047H04N1/1039H04N2201/04755
    • An image reading device includes first carriage, a stepper motor, a shakiness level calculating section, and a timing adjusting section. The first carriage reads an image of a document to be read loaded on a document table. The stepper motor moves the first carriage relative to the document. The shakiness level calculating section calculates a shakiness level of the image, indicating shakiness of the image during reading by the first carriage, based on image data read by the first carriage with respect to a reference image incorporated into the document table. The timing adjusting section adjusts a rise timing of a step signal input to the stepper motor in accordance with the shakiness level that is calculated.
    • 图像读取装置包括第一托架,步进马达,抖动程度计算部和定时调整部。 第一个载体读取要读取的文档的图像加载在文档表上。 步进电机相对于文件移动第一个托架。 抖动度计算部基于由第一托架读取的图像数据相对于包含在文档表中的参考图像,计算图像的抖动程度,指示由第一托架读取期间图像的抖动。 定时调整部根据计算出的抖动电平来调整输入到步进电动机的阶跃信号的上升时间。
    • 67. 发明申请
    • DYNAMIC AND ADAPTIVE CHANNEL SCANNING
    • 动态和自适应通道扫描
    • US20140362420A1
    • 2014-12-11
    • US13913339
    • 2013-06-07
    • Apple Inc.
    • Daniel R. BorgesChristiaan A. HartmanChristopher B. ZimmermannPeter N. Heerboth
    • H04N1/047
    • H04W48/00H04W4/70H04W48/16H04W52/0229Y02D70/00Y02D70/142Y02D70/144
    • Methods and apparatus for dynamic, adaptive scanning of communication channels are provided. A device alternates between scan cycles and rest cycles. A scan cycle includes interleaved intervals of scanning and resting. A scan interval may involve active or passive scanning, and a rest interval may be active or inactive. An active rest interval is spent tending to a communication requirement other than scanning (e.g., an infrastructure connection, a peer-to-peer connection). An inactive rest interval may be spent in a low-power mode of operation. Rest cycles, like rest intervals, may also be active or inactive. Durations of rest cycles and rest intervals increase each time a scan cycle completes without detection of any significant event or signal (e.g., until they reach a maximum). Upon detection of a significant event, they decrease, possibly by being reset to default durations.
    • 提供了通信信道的动态,自适应扫描的方法和装置。 一个设备在扫描周期和休息周期之间交替。 扫描周期包括扫描和休息的交错间隔。 扫描间隔可以涉及主动或被动扫描,并且休息间隔可以是活动的或不活动的。 除了扫描(例如,基础设施连接,对等连接)之外,主动休息间隔用于趋向于通信要求。 不活动的休息间隔可以用在低功率操作模式中。 休息周期,如休止间隔,也可能是活动或非活动。 每次扫描周期完成,休息周期和休息间隔的持续时间都会增加,而不会检测到任何重大事件或信号(例如,直到达到最大值)。 在检测到重大事件时,它们可能会被重置为默认持续时间。
    • 68. 发明授权
    • Optical scanning device and image forming apparatus
    • 光学扫描装置和图像形成装置
    • US08823761B2
    • 2014-09-02
    • US13291336
    • 2011-11-08
    • Shingo Yoshida
    • Shingo Yoshida
    • B41J2/47B41J15/14B41J27/00B41J2/435H04N1/113G02B26/12G06K15/12H04N1/047
    • B41J2/471G02B26/125G02B26/127G06K15/1219H04N1/0476H04N1/113H04N2201/04729
    • An optical scanning device includes a light source that emits a laser beam, a deflector that deflects the emitted laser beam, a scanning lens that causes the deflected laser beam to scan a surface of a photosensitive body at a uniform velocity, a reflector having a reflective surface that reflects the deflected laser beam toward the photosensitive body among the laser beams that have passed through the scanning lens, and a synchronization sensor that receives the laser beam from the reflector and outputs a detection signal. The reflector is set so that a scanning speed in a main scanning direction of the laser beam on a light-receiving surface of the synchronization sensor becomes greater than a value obtained by dividing a scanning distance of the laser beam in the main scanning direction on the light-receiving surface of the synchronization sensor by a response delay time of the synchronization sensor.
    • 光学扫描装置包括发射激光束的光源,使发射的激光束偏转的偏转器,使偏转的激光束以均匀的速度扫描感光体的表面的扫描透镜,具有反射性的反射器 在穿过扫描透镜的激光束中反射偏转的激光束朝向感光体的表面,以及从反射体接收激光束并输出检测信号的同步传感器。 反射器被设定为使得同步传感器的受光面上的激光束的主扫描方向上的扫描速度比通过将主扫描方向上的激光束的扫描距离除以 通过同步传感器的响应延迟时间来同步传感器的光接收表面。
    • 70. 发明授权
    • Laser scanning projection apparatus with phase detection and compensation
    • 激光扫描投影仪具有相位检测和补偿
    • US08807766B2
    • 2014-08-19
    • US13633248
    • 2012-10-02
    • Lite-On IT Corporation
    • Chen Chun Hung
    • G03B21/28H04N1/047
    • H04N9/3129G02B26/127H04N9/3164H04N9/3185H04N9/3194
    • A laser scanning projection apparatus includes an illumination unit, a projection surface, a scanning mirror, a projection window, an optical sensor, and a controlling unit. The projection window includes a transmissible part and a blocking part. A reflection-differential pattern is formed on the blocking part. When the laser beam reflected by the scanning mirror is projected on the transmissible part, the laser beam is transmitted through the transmissible part and projected on the projection surface. When the laser beam reflected by the scanning mirror is projected on the reflection-differential pattern, a reflective beam with different intensities is reflected by the reflection-differential pattern. The controlling unit calculates a phase difference between an actual projection position and a predetermined projection position of the laser beam according to the sensing signal, and compensating a subsequent image frame according to the phase difference.
    • 激光扫描投影装置包括照明单元,投影面,扫描镜,投影窗,光学传感器和控制单元。 投影窗口包括可透射部分和阻挡部分。 在阻挡部上形成反射差分图形。 当由扫描反射镜反射的激光束投射在可透射部分上时,激光束透射通过透射部分并投射在投影表面上。 当由扫描反射镜反射的激光束投影在反射差分图案上时,具有不同强度的反射光束被反射 - 差分图案反射。 控制单元根据感测信号计算激光束的实际投影位置和预定投影位置之间的相位差,并根据相位差补偿后续图像帧。