公开(公告)号：US20160291502A1

公开(公告)日：2016-10-06

申请号：US15175605

申请日：2016-06-07

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yoshinobu YONEIMA

IPC: G03G15/043 ,  G02B26/12

CPC classification number: G03G15/043 ,  B41J2/471 ,  B41J2/473 ,  G02B26/125 ,  G02B26/127 ,  G06K15/1219 ,  H04N2201/0471 ,  H04N2201/04729 ,  H04N2201/04748

Abstract: A method for adjusting a position of a light beam sensor includes preparing a jig at a position coinciding with where the target surface is to be placed, the jig including a sensor mounting section at a reference position where a first beam is to enter, the first beam and a second beam being split from the light beam such that the first beam passes through one or more scan lenses and the second beam enters the light beam sensor, and mounting a reference sensor to the sensor mounting section, the reference sensor being configured to detect the first beam. The method further includes adjusting the position of the light beam sensor so as to synchronize detection timing of the second beam by the light beam sensor with detection timing of the first beam by the reference sensor.

Abstract translation: 用于调整光束传感器的位置的方法包括：在与要放置目标表面的位置重合的位置准备夹具，所述夹具包括在第一光束要进入的基准位置处的传感器安装部分，第一光束 光束和第二光束从光束分离，使得第一光束通过一个或多个扫描透镜，并且第二光束进入光束传感器，并将参考传感器安装到传感器安装部分，该参考传感器被配置为 检测第一个光束。 该方法还包括调整光束传感器的位置，以便通过光束传感器将第二光束的检测定时与参考传感器的第一光束的检测定时同步。

公开(公告)号：US08314974B2

公开(公告)日：2012-11-20

申请号：US12107925

申请日：2008-04-23

Applicant: Do Hyung Kweon

Inventor： Do Hyung Kweon

IPC: H04N1/04

CPC classification number: H04N1/047 ,  H04N1/203 ,  H04N1/2032 ,  H04N2201/04748 ,  H04N2201/04756

Abstract: An image reading apparatus to prevent reading quality from deteriorating when two reading units respectively read a first side and a second side of a document with different capabilities, and a method of controlling the same includes an automatic document feeder to feed a document, a first reading unit to read a first side of the document fed by the automatic document feeder, and a second reading unit to read a second side of the document fed by the automatic document feeder. A control unit to control an operation of the image reading apparatus determines at least one of the first reading unit and the second reading unit as a reference reading unit in a both-side reading mode in which both sides of the document are read and controls a transport speed of the document such that the document is transported at a speed to allow the reference reading unit to read the document.

Abstract translation: 一种图像读取装置，当两个读取单元分别读取具有不同能力的文档的第一侧和第二侧时，防止读取质量恶化，并且其控制方法包括：自动文件馈送器，用于馈送文档，第一读取 单元，用于读取由自动送稿器馈送的原稿的第一面，以及第二读取单元，用于读取由自动送稿器馈送的原稿的第二面。 用于控制图像读取装置的操作的控制单元在读取文档的两面并且控制一个图像读取装置的两侧读取模式中，将第一读取单元和第二读取单元中的至少一个确定为基准读取单元 文件的传送速度使文件以一定的速度被传送，以允许参考读取单元读取该文档。

公开(公告)号：US07995260B2

公开(公告)日：2011-08-09

申请号：US12109658

申请日：2008-04-25

Applicant: Hirokazu Nakashima ,  Naoki Abe

Inventor： Hirokazu Nakashima ,  Naoki Abe

IPC: G02B26/08

CPC classification number: G02B26/105 ,  G02B26/127 ,  G03G15/0435 ,  G03G15/326 ,  G03G2215/0404 ,  H04N1/02815 ,  H04N1/0473 ,  H04N1/113 ,  H04N2201/04703 ,  H04N2201/04734 ,  H04N2201/04748 ,  H04N2201/04755 ,  H04N2201/04767

Abstract: A light scanning device is provided. The light scanning device includes: an oscillating mirror which oscillates rotationally and reflects a light beam to be scanned over a scanning range, the scanning range including a first scanning range and a second scanning range set across a center of the scanning range; a detection unit including a light receiving face, on which the light beam is incident, to detect the light beam; and first and second stationary mirrors which reflect the light beam reflected by the oscillating mirror to the first scanning range and the second scanning range, respectively, to be incident on the light receiving face, wherein an incident pattern of the light beam reflected by the first stationary mirror incident on the light receiving face is different from an incident pattern of the light beam reflected by the second stationary mirror incident on the light receiving face.

Abstract translation: 提供光扫描装置。 光扫描装置包括：振动反射镜，其在扫描范围内旋转振荡并反射待扫描的光束，扫描范围包括跨越扫描范围的中心设置的第一扫描范围和第二扫描范围; 检测单元，其包括光束入射的光接收面以检测光束; 以及第一和第二固定镜，其将由所述振动反射镜反射的光束分别反射到所述第一扫描范围和所述第二扫描范围，以入射到所述光接收面上，其中所述光束的入射图案被所述第一 入射在光接收面上的固定镜与入射在受光面上的第二静止镜反射的光束的入射图案不同。

公开(公告)号：US20080100888A1

公开(公告)日：2008-05-01

申请号：US11926933

申请日：2007-10-29

Applicant: Hideaki NAGASAKA

Inventor： Hideaki NAGASAKA

IPC: H04N1/50

CPC classification number: H04N1/12 ,  H04N1/00689 ,  H04N2201/0454 ,  H04N2201/04748 ,  H04N2201/0477

Abstract: An image reading device includes a clock generator, an image sensor, a plurality of switches having a first switch and a second switch, a reader, a first controller, and a second controller. The clock generator generates a first clock signal having a first cycle and a second clock signal having a second cycle shorter than the first cycle. The image sensor detects an image formed on a document to generate an image signal. The image signal is inputted into the first switch and the second switch by rotation. The first switch and the second switch is capable of switching to simultaneously or alternately output the image signal in synchronization with the first clock. The reader reads the image signal outputted from the first switch and the second switch. The first controller controls the first switch to output the image signal to the reader during a first period and to control the second switch to output the image signal to the reader during a second period. The second controller controls the clock generator to generate the first clock signal during the first period and the second period and to generate the second clock signal during a third period that is between the first period and the second period and that is longer than a predetermined period mT and shorter than (k×T1) The T1 is the first cycle. The k is a minimum integer that satisfies mT

Abstract translation: 图像读取装置包括时钟发生器，图像传感器，具有第一开关和第二开关的多个开关，读取器，第一控制器和第二控制器。 时钟发生器产生具有第一周期的第一时钟信号和具有比第一周期短的第二周期的第二时钟信号。 图像传感器检测在文档上形成的图像以产生图像信号。 图像信号通过旋转输入到第一开关和第二开关。 第一开关和第二开关能够切换以与第一时钟同步地同时或交替地输出图像信号。 读取器读取从第一开关和第二开关输出的图像信号。 第一控制器控制第一开关以在第一时段期间将图像信号输出到读取器，并且在第二周期期间控制第二开关以将图像信号输出到读取器。 第二控制器控制时钟发生器以在第一周期和第二周期期间产生第一时钟信号，并且在第一周期和第二周期之间的第三周期期间产生第二时钟信号，并且长于预定周期 mT并且短于（kxT1）T1是第一个周期。 k是满足mT <（kxT1）的最小整数。

公开(公告)号：US07324250B2

公开(公告)日：2008-01-29

申请号：US11447187

申请日：2006-06-05

Applicant: Masanori Okada

Inventor： Masanori Okada

IPC: G02B26/08

CPC classification number: G02B26/122 ,  H04N1/053 ,  H04N1/1135 ,  H04N1/12 ,  H04N2201/02439 ,  H04N2201/04734 ,  H04N2201/04748 ,  H04N2201/04755 ,  H04N2201/04794

Abstract: Disclosed is an image forming apparatus capable of keeping an oscillation angle of an oscillating mirror at a constant value based on control of a drive frequency. In this image forming apparatus, a semiconductor laser emits a light beam, and an oscillating mirror reflects the light beam emitted from the semiconductor laser, onto a target surface in a scanning manner. An oscillating-mirror drive circuit unit supplies a drive signal having a feature that a drive voltage varies based on a drive frequency, to the oscillating mirror, to reciprocatingly oscillate the oscillating mirror within a given angular range. A voltage-variation detection circuit detects a variation amount of the drive voltage, and a drive-frequency generation circuit alters the drive frequency depending on the variation amount of the drive voltage detected by the voltage-variation detection circuit.

Abstract translation: 公开了一种能够基于驱动频率的控制将振动反射镜的振荡角保持在恒定值的图像形成装置。 在该图像形成装置中，半导体激光器以扫描方式发射光束，并且振荡镜将从半导体激光器发射的光束反射到目标表面上。 振荡镜驱动电路单元将具有驱动电压根据驱动频率变化的特征的驱动信号提供给振荡镜，以使振荡反射镜在给定的角度范围内往复摆动。 电压变化检测电路检测驱动电压的变化量，并且驱动频率发生电路根据由电压变化检测电路检测的驱动电压的变化量来改变驱动频率。

公开(公告)号：US20070008600A1

公开(公告)日：2007-01-11

申请号：US11447187

申请日：2006-06-05

Applicant: Masanori Okada

Inventor： Masanori Okada

IPC: G02B26/08

CPC classification number: G02B26/122 ,  H04N1/053 ,  H04N1/1135 ,  H04N1/12 ,  H04N2201/02439 ,  H04N2201/04734 ,  H04N2201/04748 ,  H04N2201/04755 ,  H04N2201/04794

Abstract: Disclosed is an image forming apparatus capable of keeping an oscillation angle of an oscillating mirror at a constant value based on control of a drive frequency. In this image forming apparatus, a semiconductor laser emits a light beam, and an oscillating mirror reflects the light beam emitted from the semiconductor laser, onto a target surface in a scanning manner. An oscillating-mirror drive circuit unit supplies a drive signal having a feature that a drive voltage varies based on a drive frequency, to the oscillating mirror, to reciprocatingly oscillate the oscillating mirror within a given angular range. A voltage-variation detection circuit detects a variation amount of the drive voltage, and a drive-frequency generation circuit alters the drive frequency depending on the variation amount of the drive voltage detected by the voltage-variation detection circuit.

Abstract translation: 公开了一种能够基于驱动频率的控制将振动反射镜的振荡角保持在恒定值的图像形成装置。 在该图像形成装置中，半导体激光器以扫描方式发射光束，并且振荡镜将从半导体激光器发射的光束反射到目标表面上。 振荡镜驱动电路单元将具有驱动电压根据驱动频率变化的特征的驱动信号提供给振荡镜，以使振荡反射镜在给定的角度范围内往复摆动。 电压变化检测电路检测驱动电压的变化量，并且驱动频率发生电路根据由电压变化检测电路检测的驱动电压的变化量来改变驱动频率。

公开(公告)号：US20050063021A1

公开(公告)日：2005-03-24

申请号：US10786538

申请日：2004-02-26

Applicant: Norikazu Sakai

Inventor： Norikazu Sakai

IPC: G06T1/00 ,  G03G15/00 ,  G06T1/60 ,  H04N1/028 ,  H04N1/04 ,  H04N1/053 ,  H04N1/10 ,  H04N1/19 ,  H04N1/192 ,  H04N1/40

CPC classification number: H04N1/053 ,  H04N1/1017 ,  H04N1/192 ,  H04N2201/04748 ,  H04N2201/04763

Abstract: An image reading apparatus that reads out an original document image synchronously with a frequency dispersion clock gained by modulating the frequency of a reference clock so as to be changed cyclically at a predetermined modulation period, comprising: a first signal generating section that generates a first signal which turns into assert state at a predetermined period; a second signal generating section that generates a second signal which turns into assert state at a period synchronous with the modulation period of the frequency dispersion clock; and a line scanning section that moves a scanning position on the original document image in an auxiliary scanning direction and scans the original document image in a main scanning direction perpendicular to the auxiliary scanning direction each time when both the first signal and the second signal turn to assert state and thereby reads the original document image and outputs an analog image signal.

Abstract translation: 一种图像读取装置，其与通过调制参考时钟的频率而获得的频率分散时钟同步地读出原始文档图像，以便以预定的调制周期循环地改变，包括：第一信号生成部分，其生成第一信号 其在预定时段变成断言状态; 第二信号生成部，生成与频率分散时钟的调制周期同步的周期变为断言状态的第二信号; 以及线扫描部，其在辅助扫描方向上移动原稿图像上的扫描位置，并且每当第一信号和第二信号都转向时，沿与辅助扫描方向垂直的主扫描方向扫描原稿图像 断言状态，从而读取原稿图像并输出模拟图像信号。

公开(公告)号：US20040207353A1

公开(公告)日：2004-10-21

申请号：US10414531

申请日：2003-04-15

Inventor： Marc Alan Herwald ,  Gretchen Yvonne Gibson ,  Michael Anthony Marra III ,  Joseph Kamal Yackzan

IPC: H02P007/00

CPC classification number: H04N1/053 ,  H04N2201/04748 ,  H04N2201/04768 ,  H04N2201/04794

Abstract: A scanning operation is synchronized with the motion of a scan mechanism. Encoder signals indicative of a position of the scan mechanism relative to a scan platen or an object being scanned are received. These encoder signals may include a single channel phase signals are channel A and channel B phase signals. Transitions of the encoder signals are detected. Scan pulses for triggering a scan operation by a scan element are generated based on transitions of the encoder signals. Differences in the encoder signal resolution and a desired scan resolution are compensated for in the generation of the scan pulses. A transfer signal is generated in synchronization with the scan pulses for controlling output of data from the scan element. Variations of the velocity of the scan mechanism cause variations of the frequency at which the scan pulses are generated. Variations in the velocity of the scan mechanism are accounted for during this synchronization by varying the duration of the transfer state of the transfer signal in relation to the variations of the scan pulse frequency. The duration of the exposure state of transfer signal is kept constant, ensuring a constant exposure time for the scanning device.

Abstract translation: 扫描操作与扫描机构的运动同步。 接收指示扫描机构相对于扫描台板或被扫描物体的位置的编码器信号。 这些编码器信号可以包括单信道相位信号是信道A和信道B相位信号。 检测编码器信号的转换。 基于编码器信号的转换产生用于触发扫描元件的扫描操作的扫描脉冲。 编码器信号分辨率的差异和所需的扫描分辨率在产生扫描脉冲时得到补偿。 与用于控制来自扫描元件的数据的输出的扫描脉冲同步地产生传送信号。 扫描机构的速度变化导致产生扫描脉冲的频率的变化。 通过相对于扫描脉冲频率的变化改变传送信号的传送状态的持续时间，在该同步期间考虑扫描机构的速度的变化。 转印信号的曝光状态的持续时间保持恒定，确保扫描装置的曝光时间恒定。

公开(公告)号：US08593705B2

公开(公告)日：2013-11-26

申请号：US13679183

申请日：2012-11-16

Applicant: Do Hyung Kweon

Inventor： Do Hyung Kweon

IPC: H04N1/04

CPC classification number: H04N1/047 ,  H04N1/203 ,  H04N1/2032 ,  H04N2201/04748 ,  H04N2201/04756

Abstract: An image reading apparatus to prevent reading quality from deteriorating when two reading units respectively read a first side and a second side of a document with different capabilities, and a method of controlling the same includes an automatic document feeder to feed a document, a first reading unit to read a first side of the document fed by the automatic document feeder, and a second reading unit to read a second side of the document fed by the automatic document feeder. A control unit to control an operation of the image reading apparatus determines at least one of the first reading unit and the second reading unit as a reference reading unit in a both-side reading mode in which both sides of the document are read and controls a transport speed of the document such that the document is transported at a speed to allow the reference reading unit to read the document.

Abstract translation: 一种图像读取装置，当两个读取单元分别读取具有不同能力的文档的第一侧和第二侧时，防止读取质量恶化，并且其控制方法包括：自动文件馈送器，用于馈送文档，第一读取 单元，用于读取由自动送稿器馈送的原稿的第一面，以及第二读取单元，用于读取由自动送稿器馈送的原稿的第二面。 用于控制图像读取装置的操作的控制单元在读取文档的两面并且控制一个图像读取装置的两侧读取模式中，将第一读取单元和第二读取单元中的至少一个确定为基准读取单元 文件的传送速度使文件以一定的速度被传送，以允许参考读取单元读取该文档。

公开(公告)号：US20130070314A1

公开(公告)日：2013-03-21

申请号：US13679183

申请日：2012-11-16

Applicant: Do Hyung Kweon

Inventor： Do Hyung Kweon

IPC: H04N1/047

CPC classification number: H04N1/047 ,  H04N1/203 ,  H04N1/2032 ,  H04N2201/04748 ,  H04N2201/04756

Abstract: An image reading apparatus to prevent reading quality from deteriorating when two reading units respectively read a first side and a second side of a document with different capabilities, and a method of controlling the same includes an automatic document feeder to feed a document, a first reading unit to read a first side of the document fed by the automatic document feeder, and a second reading unit to read a second side of the document fed by the automatic document feeder. A control unit to control an operation of the image reading apparatus determines at least one of the first reading unit and the second reading unit as a reference reading unit in a both-side reading mode in which both sides of the document are read and controls a transport speed of the document such that the document is transported at a speed to allow the reference reading unit to read the document.