公开(公告)号：US4864415A

公开(公告)日：1989-09-05

申请号：US190184

申请日：1988-05-04

Applicant: Thomas R. Beikirch ,  Gregory E. Bell

Inventor： Thomas R. Beikirch ,  Gregory E. Bell

IPC: H04N1/047 ,  H04N1/10 ,  H04N1/193

CPC classification number: H04N1/32448 ,  H04N1/0473 ,  H04N1/1017 ,  H04N1/193 ,  H04N2201/04703 ,  H04N2201/0471 ,  H04N2201/04786 ,  H04N2201/329

Abstract: A system for self-aligning a raster input scanner in the slow scan direction where, at start of scan, a target having a variable density image is scanned first until a preset target image line is obtained and the position of the scan carriage registered; then from the registered position, the platen is scanned through a predetermined number of scan lines; following this, the carriage is reversed and returned the same number of scan lines where the target is again scanned and the target image line obtained compared with the previous target image line to determined if a valid scan cycle has taken place.

Abstract translation: 一种用于在慢扫描方向上自动对准光栅输入扫描器的系统，其中扫描开始时具有可变浓度图像的目标被首先扫描直到获得预设的目标图像线并且记录扫描架的位置; 然后从注册位置，通过预定数量的扫描线扫描压板; 随后，滑架反转，返回相同数目的扫描线，其中再次扫描目标，并获得与先前目标图像行相比获得的目标图像行，以确定是否发生了有效的扫描周期。

公开(公告)号：US4849815A

公开(公告)日：1989-07-18

申请号：US173882

申请日：1988-03-02

Applicant: Donald A. Streck

Inventor： Donald A. Streck

IPC: H04N1/00 ,  H04N1/047 ,  H04N1/10 ,  H04N1/107 ,  H04N1/12 ,  H04N1/193 ,  H04N1/32 ,  H04N1/333

CPC classification number: H04N1/00241 ,  H04N1/00206 ,  H04N1/00236 ,  H04N1/0473 ,  H04N1/107 ,  H04N1/1072 ,  H04N1/32363 ,  H04N1/32368 ,  H04N1/33315 ,  H04N1/1017 ,  H04N1/12 ,  H04N1/193 ,  H04N2201/0068 ,  H04N2201/0096 ,  H04N2201/0471 ,  H04N2201/0472

Abstract: This invention is a family of simple, inexpensive, and portable electronic devices for business support built around a simple 2-dimensional digitizing device. It includes a transmit-only facsimile transmission device/system, a simple computer-based facsimile system, and a dual-mode (digital or OCR) page reading device. The digitizing device includes a read bar having a linear read head for developing a signal reflecting a one dimensional line of viewing; apparatus for creating relative movement between sheets of material to be digitized and the read bar; and, a detector for developing a signal indicating movement of the sheets one scanned line distance. The simple transmit-only facsimile transmission system comprises the foregoing digitizing device and, a digital computer including a numeric input keyboard; a modem for connecting to a telephone line; buffer memory for receiving the entire digitized contents of a 2-dimensional viewing area; and, a first program for inputting telephone numbers, for establishing a connection to a receiving facsimile machine, for determining group type of the receiving machine, and for transmitting the digitized contents of buffer memory to the receiving machine in the proper format for its group type. When employed in the portable office, the system can be used as a photocopier to copy documents. The digitizing device can output digitized or OCR data.

Abstract translation: 本发明是围绕简单的二维数字化设备构建的用于商业支持的简单，便宜和便携式电子设备的系列。 它包括仅传真传真传输设备/系统，简单的基于计算机的传真系统和双模（数字或OCR）页阅读设备。 数字化装置包括具有线性读取头的读取条，用于显示反映一维视线的信号; 用于在待数字化的材料板和读取条之间产生相对运动的装置; 以及用于显示指示片材的移动的信号的扫描线距离的检测器。 简单的仅发传真传真系统包括上述数字化设备和包括数字输入键盘的数字计算机; 用于连接到电话线的调制解调器; 用于接收二维观看区域的整个数字化内容的缓冲存储器; 以及用于输入电话号码的第一程序，用于建立到接收传真机的连接，用于确定接收机的组类型，并且以适当格式将缓冲存储器的数字化内容发送到接收机，用于其组类型 。 当在便携式办公室工作时，该系统可用作复印机复印文件。 数字化设备可以输出数字化或OCR数据。

公开(公告)号：US4837636A

公开(公告)日：1989-06-06

申请号：US111400

申请日：1987-10-22

Applicant: Joseph J. Daniele ,  Robert M. Lofthus

Inventor： Joseph J. Daniele ,  Robert M. Lofthus

IPC: B41J29/00 ,  B41J11/42 ,  B41J21/16 ,  B41J29/46 ,  B41J29/48 ,  G01B11/00 ,  G03B27/54 ,  G03B27/62 ,  G03G15/00 ,  G03G15/01 ,  G03G15/04 ,  G03G15/043 ,  G03G21/14 ,  H04N1/047 ,  H04N1/10 ,  H04N1/113 ,  H04N1/12 ,  H04N1/193

CPC classification number: G03G15/5033 ,  G03G21/145 ,  H04N1/0473 ,  G03G2215/00075 ,  H04N1/1017 ,  H04N1/1135 ,  H04N1/12 ,  H04N1/193 ,  H04N2201/0471 ,  H04N2201/04712 ,  H04N2201/04756

Abstract: A xerographic copying/printing machine in which the photoreceptor has a row of discrete image marks along one side margin, a CCD type array spaced opposite to and aligned with the row of photoreceptor marks to provide successive blocks of image signals representing the instantaneous pattern of marks viewed by the array on each scan, a light bar spaced opposite the other side of the photoreceptor and aligned with the array for illuminating the array sensors through the marks, and a circuit for converting the image signal output of the array to clock signals representative of photoreceptor speed and position.

公开(公告)号：US4829175A

公开(公告)日：1989-05-09

申请号：US938298

申请日：1986-12-05

Applicant: Chiaki Goto ,  Horikawa Kazuo

Inventor： Chiaki Goto ,  Horikawa Kazuo

IPC: G02B26/12 ,  G02B27/00 ,  H04N1/047 ,  H04N1/113

CPC classification number: G02B27/0031 ,  G02B26/127 ,  H04N1/0473 ,  H04N1/1135 ,  H04N2201/0471 ,  H04N2201/04762

Abstract: A method of correcting unevenness in scanning lines in a light beam scanning apparatus having a mechanical scanning light beam deflector which rotates about a rotational axis to deflect a scanning light beam in a main scanning direction and a correcting light beam deflector for deflecting the scanning light beam in a sub-scanning direction, comprising steps of continuously detecting deflection of the rotational axis of the scanning light beam deflector to obtain nonperiodic deviation of the scanning light beam in the sub-scanning direction, storing the difference between a position of the scanning light beam detected at a starting point immediately before the effective scanning range and the nonperiodic deviation of the scanning light beam as a starting point deviation, storing the difference between a position of the scanning light beam detected at an end point immediately behind the effective scanning range and the nonperiodic deviation of the scanning light beam as an end point deviation, successively calculating deviation of the scanning light beam from a target scanning position in the middle of straight scanning on the basis of the stored starting point deviation, the stored end point deviation and the rotating angle of the scanning light beam deflector as periodic deviation, and determining the amount by which the scanning light beam is to be deflected in the sub-scanning direction by the correcting light beam deflector on the basis of the sum of the nonperiodic deviation and the periodic deviation.

Abstract translation: 一种校正具有机械扫描光束偏转器的光束扫描装置中的不平坦度的方法，所述机械扫描光束偏转器围绕旋转轴线旋转以使主扫描方向上的扫描光束偏转，以及校正光束偏转器，用于偏转扫描光束 在副扫描方向上，包括以下步骤：连续地检测扫描光束偏转器的旋转轴的偏转，以获得扫描光束在副扫描方向上的非周期性偏差，存储扫描光束的位置之间的差异 在紧接在有效扫描范围和扫描光束为起点偏差的非周期偏差之前起点检测，存储在端点处立即之后的有效扫描范围和检测出的扫描光束的位置之间的差 作为终点偏移的扫描光束的非周期性偏差 根据存储的起始点偏差，存储的终点偏差和扫描光束偏转器的旋转角度作为周期性偏差，依次计算扫描光束在直扫描中间的目标扫描位置的偏差， 并且基于非周期偏差和周期性偏差之和来确定扫描光束在副扫描方向上被校正光束偏转器偏转的量。

公开(公告)号：US4823002A

公开(公告)日：1989-04-18

申请号：US177398

申请日：1988-04-04

Applicant: Taizo Saito

Inventor： Taizo Saito

IPC: G02B26/10 ,  G02B26/12 ,  H04N1/053 ,  H04N1/113 ,  H04N1/12 ,  H04N1/36 ,  H01J3/14 ,  G02B26/08

CPC classification number: H04N1/1135 ,  G02B26/126 ,  H04N1/053 ,  H04N1/12 ,  H04N2201/0471

Abstract: In a deflection scanning optical system, a single first mirror is arranged between a laser beam source and a surface to be scanned. The first mirror has a first reflecting section, a second reflecting section and a transparent section. The laser beam from the laser beam source is reflected by the first reflecting section. A second mirror is provided for reflecting the laser beam reflected by the first reflecting section, toward the second reflecting section. The second mirror also reflects the laser beam reflected by the first reflecting section to transmit the reflected laser beam through the transparent section, thereby directing the transmitted laser beam toward the surface to be scanned. A detector received the laser beam reflected by the second mirror toward the second reflecting section and reflected by the same, for detecting a scanning position of the laser beam with respect to the surface to be scanned.

Abstract translation: 在偏转扫描光学系统中，单个第一反射镜被布置在激光束源和要扫描的表面之间。 第一反射镜具有第一反射部，第二反射部和透明部。 来自激光束源的激光束被第一反射部反射。 第二反射镜用于将由第一反射部反射的激光束朝向第二反射部反射。 第二反射镜还反射由第一反射部分反射的激光束，以透射透射部分的反射激光束，从而将透射的激光束引向待扫描的表面。 检测器接收由第二反射镜反射的激光束朝向第二反射部分并被其反射，用于检测激光束相对于待扫描表面的扫描位置。

公开(公告)号：US4803367A

公开(公告)日：1989-02-07

申请号：US21879

申请日：1987-03-04

Applicant: Masakazu Murase ,  Hideo Ishizaka

Inventor： Masakazu Murase ,  Hideo Ishizaka

IPC: G02B26/10 ,  H04N1/053 ,  H04N1/113 ,  H04N1/12 ,  G01J5/16

CPC classification number: H04N1/053 ,  H04N1/1135 ,  H04N1/12 ,  H04N2201/0471 ,  H04N2201/04774 ,  H04N2201/04777

Abstract: A light beam scanning apparatus is constituted for scanning a light beam deflected by a rotating polygon mirror on a scanning surface in a main scanning direction, moving the scanning surface with respect to the light beam in a subscanning direction, and generating a picture element clock signal. The light beam scanning apparatus comprises photodetectors for respectively detecting passage of the light beam over a main scanning start point and passage thereof over a main scanning end point, and a clock signal generating circuit for receiving outputs of the photodetectors, calculating the time required for the main scanning for each of the mirror surfaces of the rotating polygon mirror, and changing a period of the picture element clock signal in the course of each main scanning so that the period is proportional to the required time with respect to the mirror surface utilized for the main scanning.

Abstract translation: 一种光束扫描装置，用于扫描在主扫描方向上的扫描表面上由旋转多面镜偏转的光束，沿着副扫描方向移动相对于光束的扫描表面，并产生像素时钟信号 。 光束扫描装置包括：光电检测器，用于分别检测主扫描起点上的光束通过主扫描终点的通过;以及时钟信号发生电路，用于接收光电检测器的输出，计算出 主旋转多面反射镜的每个镜面的主扫描，以及在每个主扫描过程中改变像素时钟信号的周期，使得周期与所用时间相对于用于 主扫描。

公开(公告)号：US4771475A

公开(公告)日：1988-09-13

申请号：US85535

申请日：1987-08-14

Applicant: Kiyoshi Kimura

Inventor： Kiyoshi Kimura

IPC: H04N1/04 ,  G06T1/00 ,  H04N1/047 ,  H04N1/12 ,  H04N1/193 ,  H04N1/38 ,  G06K9/22

CPC classification number: H04N1/0473 ,  H04N1/38 ,  H04N1/12 ,  H04N1/193 ,  H04N2201/0471 ,  H04N2201/04756

Abstract: In an image scanner including an original bed, a feeding means for feeding an original placed on the original bed, and an image sensor adapted to be scanned across the original in a direction perpendicular to a paper feeding direction of the original; the improvement comprising a pointer adapted to be moved in parallel to a plane of the original and point a scan starting position and a scan ending position on the original, an encoder for detecting a quantity of movement of the pointer, and a setting means for setting the scan starting position and the scan ending position according to an output signal from the encoder.

Abstract translation: 在包括原稿台的图像扫描器中，用于馈送放置在原稿台上的原稿的进给装置和适于沿垂直于原稿的送纸方向的原稿扫描的图像传感器; 所述改进包括指针，所述指针适于平行于所述原稿的平面移动并指向所述原稿上的扫描开始位置和扫描结束位置，用于检测所述指示器的移动量的编码器，以及用于设置 扫描起始位置和扫描结束位置，根据来自编码器的输出信号。

公开(公告)号：US4719515A

公开(公告)日：1988-01-12

申请号：US899356

申请日：1986-08-22

Applicant: Ichirou Miyagawa ,  Noboru Arai

Inventor： Ichirou Miyagawa ,  Noboru Arai

IPC: H04N1/113 ,  G02B26/10 ,  H04N1/053 ,  H04N1/04

CPC classification number: H04N1/053 ,  H04N1/1135 ,  H04N2201/0471 ,  H04N2201/04767

Abstract: A synchronizing signal is generated in relation to the scanning of a recording medium with a scanning light beam emitted from a scanning light source and deflected by a light deflector. A synchronizing-signal generating laser beam is emitted from a synchronizing-signal generating laser source, and deflected by the light detector in synchronous relation to the deflection of the scanning light beam. The synchronizing-signal generating laser beam deflected by the light detector is applied back to the synchronizing-signal generating laser source at least once when the synchronizing-signal generating laser beam is deflected through a prescribed angle during one scanning cycle. A change in the output power of the synchronizing-signal generating laser source which is caused upon application of the synchronizing-signal generating laser beam back to the synchronizing-signal generating laser source, is detected for thereby generating the synchronizing signal.

Abstract translation: 相对于从扫描光源发射并被光偏转器偏转的扫描光束对记录介质的扫描产生同步信号。 同步信号产生激光束从同步信号产生激光源发射，并由光检测器偏转与扫描光束的偏转同步。 当同步信号产生激光束在一个扫描周期内偏转预定角度时，由光检测器偏转的同步信号产生激光束至少一次被施加到同步信号产生激光源。 检测同步信号生成用激光源向同步信号生成用激光源施加的同步信号生成用激光源的输出功率的变化，生成同步信号。

公开(公告)号：US4667099A

公开(公告)日：1987-05-19

申请号：US789247

申请日：1985-10-18

Applicant: Noboru Arai ,  Hidetoshi Shinada

Inventor： Noboru Arai ,  Hidetoshi Shinada

IPC: G02B26/10 ,  G06K15/12 ,  H04N1/04 ,  H04N1/053 ,  H04N1/113 ,  H04N1/12 ,  H04N1/207 ,  H01J3/14

CPC classification number: G06K15/1219 ,  H04N1/053 ,  H04N1/207 ,  H04N1/1135 ,  H04N1/12 ,  H04N2201/0471 ,  H04N2201/04768

Abstract: An optical linear encoder for converting scanning light beams incident thereupon into a series of pulsatory light comprising light transmission parts for passing through the scanning light beams and light non-transmission parts for blocking transmission of the scanning light beams. The light non-transmission parts are alternately arranged with said light transmission parts in predetermined intervals that are determined by the amount of distortion inherently occurring in an optical system through which the scanning light beams travel.

Abstract translation: 一种光学线性编码器，用于将入射到其上的扫描光束转换为包括用于通过扫描光束的光透射部分和用于阻挡扫描光束传播的光非透射部分的一系列脉动光。 光非透射部分以由扫描光束穿过的光学系统中固有地出现的失真量确定的预定间隔交替地布置有所述光透射部分。

公开(公告)号：US4663523A

公开(公告)日：1987-05-05

申请号：US797353

申请日：1985-11-12

Applicant: Melvin E. Swanberg

Inventor： Melvin E. Swanberg

IPC: H04N1/053 ,  H01J3/16

CPC classification number: H04N1/053 ,  H04N2201/0471 ,  H04N2201/04772

Abstract: A spatial pixel clock synchronization system with jitter correction for an optical scanning system having a continuously running pixel clock source, start of scan and end of scan split photodetectors, circuitry for producing signals proportional to the respective light exposures of the halves of said photodetectors, and circuitry, including a switched filter circuit with two storage elements for each facet of the polygon of the system, for generating from said exposure signals a frequency correction signal for the pixel clock source.

Abstract translation: 具有用于具有连续运行的像素时钟源，扫描开始和扫描分离光电检测器结束的光学扫描系统的抖动校正的空间像素时钟同步系统，用于产生与所述光电检测器的两半的相应光照射成比例的信号的电路，以及 电路，包括具有用于系统的多边形的每个面的两个存储元件的开关滤波器电路，用于从所述曝光信号产生用于像素时钟源的频率校正信号。