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    Light deflection apparatus
    1.
    发明授权
    Light deflection apparatus 失效
    光偏转装置

    公开(公告)号：US3584933A

    公开(公告)日：1971-06-15

    申请号：US3584933D

    申请日：1969-04-07

    Applicant: IBM

    Inventor： HABEGGER MILLARD A ,  LIPP JAMES

    IPC: G02F1/31 ,  G02F3/00

    CPC classification number: G02F1/31

    Abstract: Light deflection apparatus for selectively deflecting a beam of light from a source to any one of a plurality of discrete positions on a target is provided. Operative under electro-optic control, the apparatus is of the external reflecting type. A light beam propagated as a set of extraordinary rays never enters the light deflecting birefringent element but is reflected on incidence at it. Astigmatic aberrations in the possible output beams are avoided, pathlength compensation between the two possible output beams of a deflecting stage is achieved, and a diffraction limited spot of light is provided as the output beam.

    Printing plate recording by direct exposure
    3.
    发明授权
    Printing plate recording by direct exposure 失效
    通过直接曝光记录印版

    公开(公告)号：US3664737A

    公开(公告)日：1972-05-23

    申请号：US3664737D

    申请日：1971-03-23

    Applicant: IBM

    Inventor： LIPP JAMES

    IPC: G02F1/31 ,  G03F7/20 ,  G03B27/70

    CPC classification number: G03F7/2055 ,  G02F1/31 ,  Y10S430/146

    Abstract: A LASER BEAM IN THE ACTINIC REGION OF ELECTROMAGNETIC SPECTRUM IS USED TO PROVIDE DIRECT EXPOSED OF PRINTING PLATES. THE PLATES HAVE A COATING OF A PHOTOSENSITIVE MEDIUM, PREFERABLY A DIAZO, WHICH IS SENITIVE TO THE ACTINIC WAVELENGTH. THE VERTICAL DEFLCTION OF THE LASER BEAM IS CONTROLLED BY DIGITAL LIGHT DEFLECTION APPARATUS WHICH PROVIDE A RASTER OF DISCRETE, ESSENTIALLY DIFFRACTIONLIMITED SPOTS OF LIGHT ALONG A SINGLE LINE. IN THE PREFERRED EMBODIMENT, THE PARTICULAR BEAM TRACE ON THE PHOTOSENSITIVE MEDIUM IS DETERMINED BY COMPUTER CONTROL OF THE DIGITAL LIGHT DEFLECTOR, AND HORIZONTAL DISPLACEMENT OF THE VERTICAL LINES TRANSVERSELY ON THE PHOTOSENSITIVE MEDIUM IS ACCOMPLISHED BY LIGHT COUPLING MEANS WHICH RECIPROCATES ACROSS THE PLANE OF THE MEDIUM.

    Improved external light deflection apparatus
    5.
    发明授权
    Improved external light deflection apparatus 失效
    改进的外部光折射装置

    公开(公告)号：US3642347A

    公开(公告)日：1972-02-15

    申请号：US3642347D

    申请日：1970-12-30

    Applicant: IBM

    Inventor： LIPP JAMES

    IPC: G02F1/31 ,  G02F1/26

    CPC classification number: G02F1/31

    Abstract: Light deflection apparatus, operative under electro-optic control, employing a birefringent deflecting element in spacedapart, parallel, substantially coextensive relationship with an isotropic alignment element and including a refractive indexmatching liquid filling the space between the birefringent and isotropic elements. The preferred liquid, a polychlorinated polyphenyl oil, has a tendency to break down when exposed to high potentials generated in the electro-optic switches. To eliminate the breakdown, the liquid is confined between the birefringent and isotropic elements within a container and insulated from the switching voltages. The container structure includes adjustment means for precisely varying the distance and angle of the isotropic element with respect to the birefringent element.

    Abstract translation: 光偏转装置，在电光控制下工作，采用双折射偏转元件与各向同性对准元件间隔开，平行，基本上共同延伸的关系，并且包括填充双折射和各向同性元件之间的空间的折射率匹配液体。 优选的液体多氯代聚苯油在暴露于电光开关中产生的高电位时具有分解的倾向。 为了消除故障，液体被限制在容器内的双折射和各向同性元件之间并与开关电压绝缘。 容器结构包括用于精确地改变各向同性元件相对于双折射元件的距离和角度的调节装置。

    Beam motion compensation in optical image transfer systems having moving parts
    6.
    发明授权
    Beam motion compensation in optical image transfer systems having moving parts 失效
    具有移动部件的光学图像传输系统中的光束运动补偿

    公开(公告)号：US3636838A

    公开(公告)日：1972-01-25

    申请号：US3636838D

    申请日：1969-04-04

    Applicant: IBM

    Inventor： CHANG DAVID C ,  LIPP JAMES

    IPC: B23K26/08 ,  G02B26/12 ,  G02B27/00 ,  H04N3/08 ,  B41B17/12

    CPC classification number: H04N3/08 ,  B23K26/08 ,  B23K2201/007 ,  G02B26/127 ,  G02B27/0025 ,  G02B27/0031

    Abstract: A static electro-optic crystal deflection element, subject to electrical control of refraction, is used as an inertialess compensating element in mechanically controlled projection systems for laser beams. Electrical signals derived from the moving parts of the control mechanism are applied to the crystal to produce compensating refractions of the laser coordinated with short increments of movement of the mechanism. In one application blurring effects associated with continuous rotation of a multifaceted deflection mirror in a photographic tracing system are nullified by electro-optic compensation. In another application distortion due to relative motion between a sensing laser and a rotating drum containing a series of hologram records is cancelled by electro-optic effects coordinated with individual record movements.

    Optical information recording with real-time display and error correction
    7.
    发明授权
    Optical information recording with real-time display and error correction 失效
    记录实时显示和错误校正的光学信息

    公开(公告)号：US3633183A

    公开(公告)日：1972-01-04

    申请号：US3633183D

    申请日：1969-11-05

    Applicant: IBM

    Inventor： COBB RICHARD O ,  LIPP JAMES

    IPC: G11C29/00 ,  G06F3/033 ,  G06K5/00 ,  G09G1/00 ,  G11C13/04 ,  G11C29/56 ,  G01D3/02

    CPC classification number: G06F3/033 ,  G06K5/00

    Abstract: A process and system for controlling the recording of information optically. Before the optical recording occurs, a real-time display of the information to be recorded is provided for operator monitoring. The ability to change the information by a light pen and/or a keyboard exists if the displayed information is incorrect. In the optical recording process, control is exercised over the light source, the position of the light and the location of recording. Monitoring of the recorded information is simultaneously performed with the recording to indicate any error condition in the recording process.

    Abstract translation: 用于光学地控制信息记录的过程和系统。 在光学记录发生之前，提供要记录的信息的实时显示用于操作者监视。 如果显示的信息不正确，则存在通过光笔和/或键盘更改信息的能力。 在光学记录过程中，通过光源，光的位置和记录的位置进行控制。 通过记录同时执行对记录信息的监视，以指示记录过程中的任何错误状况。

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