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    • 1. 发明授权
    • Dual optical mechanical position tracker
    • 双光学机械位置跟踪器
    • US4628239A
    • 1986-12-09
    • US742152
    • 1985-06-06
    • Seth L. Everett, Jr.
    • Seth L. Everett, Jr.
    • G05B19/23G05B19/40
    • G05B19/231Y10S400/903
    • Apparatus for retaining control of moving carriage impact dot matrix printeads when subjected to strong external forces such as shock and/or vibration. Position and direction of carriage movement is provided by a photo emitter-sensor assembly and a slotted timing wheel or disc having a plurality of equally spaced slots whose slot width is equal to the slot separation. The slot width is sufficient to frame a pair of side-by-side emitters which operate in conjunction with a pair of side-by-side sensors on the other side of the timing wheel. The order or sequence in which the sensors receive photo energy from their respective emitters indicates the direction of rotation of the timing wheel while simultaneous reception of photo energy by the side-by-side sensors provides an indication of valid rest position of the carriage drive motor.
    • 用于在受到诸如冲击和/或振动之类的强外力的作用时,保持对移动的托架冲击点阵打印头的控制的装置。 滑架运动的位置和方向由光发射器 - 传感器组件和具有多个相等间隔的槽的开槽正时轮或盘提供,其槽宽度等于槽间隔。 槽宽度足以构成与正时轮另一侧的一对并排传感器相结合的一对并排发射器。 传感器从其各自的发射器接收光能的顺序或顺序表示正时轮的旋转方向,同时由并排传感器同时接收光能提供滑架驱动电机的有效静止位置的指示 。
    • 2. 发明授权
    • Optically controlled multi-color impact printer
    • 光控多色冲击打印机
    • US4588316A
    • 1986-05-13
    • US721096
    • 1985-04-08
    • Seth L. Everett, Jr.
    • Seth L. Everett, Jr.
    • B41J35/18B41J35/04B41J35/16
    • B41J35/18
    • An inherently rugged multi-color dot matrix impact printer having a yoke type optical code detector assembly mounted on the neck portion of an impact dot matrix print head through which a multi-colored print ribbon passes. The print ribbon is configured in alternating vertical segments of selected colors of ink which have top and bottom photo-optical code regions on the outer edge of the ribbon. Coding comprises the presence or lack of an aperture in the form of a hole which is adapted to pass light therethrough and which is aligned with each ink segment. The yoke additionally includes upper and lower light emitter/sensor pairs for sensing the coded aperture pattern to control the presence of a predetermined colored segment of printing ribbon in front of the print head.
    • 一种固有耐用的多色点阵冲击打印机,其具有安装在多色打印色带通过的冲击点阵打印头的颈部上的轭型光学代码检测器组件。 打印色带被配置为在色带的外边缘上具有顶部和底部光学光学代码区域的所选择的油墨颜色的交替垂直段。 编码包括存在或不存在孔形式的孔,其适于使光通过其中并与每个墨段对准。 磁轭还包括上和下光发射器/传感器对,用于感测编码孔径图案以控制打印头前面的印刷色带的预定着色部分的存在。
    • 3. 发明授权
    • Portable microfiche reading instrument
    • 便携式缩微胶片阅读器
    • US4149776A
    • 1979-04-17
    • US898738
    • 1978-04-24
    • Seth L. Everett, Jr.
    • Seth L. Everett, Jr.
    • G02B21/00G02B27/02G09F11/30
    • G02B21/0008
    • A relatively compact, inexpensive and portable viewer for reading photogric reductions, such as microfiche film cards, includes a cylindrical translucent diffuser tube which provides for entry of sufficient light under usual ambient conditions for viewing the film; a transparent cylindrical mounting tube axially centered within the diffuser tube; and a slide tube axially and longitudinally movable, by hand operation, within the transparent mounting tube. The slide tube forms an optical path comprising a rectangular opening in its wall near one of its ends which acts as a film gate, a reflecting mirror positioned in line with the wall opening, a magnification lens and an eyepiece lens. The film is inserted in the cylindrical gap formed between the diffuser tube and the mounting tube and the slide tube is moved so that the desired portion of the film may be viewed, enlarged and read.
    • 用于读取照相缩小的相对紧凑,便宜且便携的观察器,例如缩微胶片卡片,包括圆柱形透明漫射管,其在通常的环境条件下提供充足的光线以便观看胶片; 在扩散管内轴向居中的透明圆柱形安装管; 以及通过手动操作在透明安装管内轴向和纵向移动的滑动管。 滑动管形成光路,该光路在其端部中的一个端部附近具有矩形开口,其作为膜栅极,与壁开口成一直线设置的反射镜,放大透镜和目镜透镜。 将薄膜插入形成在扩散管和安装管之间的圆柱形间隙中,并且滑动管移动,使得可以观察,放大和读取薄膜的期望部分。
    • 4. 发明授权
    • Control for dot matrix printers operating in harsh environments
    • 控制在恶劣环境中运行的点阵打印机
    • US4600319A
    • 1986-07-15
    • US741940
    • 1985-06-06
    • Seth L. Everett, Jr.
    • Seth L. Everett, Jr.
    • B41J2/23B41J29/38
    • B41J29/38B41J2/23
    • A control processing method and apparatus for dot matrix printers which areubjected to relatively high levels of vibration and shock. Vibration and shock are detected and, in the event that a known safe vibration or shock level is exceeded, print line data being fed alternately to the print head from a pair of data print buffers coupled to the output of a logic data input buffer are inhibited while the input buffer temporarily stores the incoming data. Drive pulses applied to the stepper motor used to move the print head carriage are simultaneously stopped. When the detected level falls below a set threshold indicative of a safe operating level, normal operation is resumed with the print data again being fed from the input buffer to the print line buffers which are reactivated along with the carriage stepper motor. Additionally, any positional change of the print head carriage during the existence of shock or vibration levels above the threshold value from the last valid driven position is determined and accordingly repositioned prior to continuing the printing operation upon cessation of the disturbance.
    • 一种用于点对点打印机的控制处理方法和装置,其经受相对较高的振动和冲击。 检测到振动和冲击,并且在超过已知的安全振动或冲击水平的情况下,禁止从耦合到逻辑数据输入缓冲器的输出的一对数据打印缓冲器交替地馈送到打印头的打印线数据 而输入缓冲器临时存储输入数据。 施加到用于移动打印头托架的步进马达的驱动脉冲同时停止。 当检测到的电平低于指示安全操作电平的设定阈值时,恢复正常操作,再次将打印数据从输入缓冲器馈送到与滑架步进电机重新激活的打印行缓冲器。 此外,确定在存在从最后有效驱动位置开始的冲击或振动水平高于阈值的情况下,打印头托架的任何位置变化,并且因此在停止干扰之前继续打印操作之前重新定位。
    • 5. 发明授权
    • Dot matrix color printer
    • 点阵彩色打印机
    • US4605326A
    • 1986-08-12
    • US714784
    • 1985-03-22
    • Seth L. Everett, Jr.
    • Seth L. Everett, Jr.
    • B41J27/14B41J27/12
    • B41J27/14
    • Apparatus for implementing a multi-color printout capability with respect to a dot matrix printer and the like. The apparatus is comprised of an ink reservoir system which includes individual ink reservoirs for replenishing ink of a selected color from a reservoir to individual sections of ink transfer material. The sections are mounted in tandem pairs on elongated ink transfer material holding members which are reciprocally moved linearly back and forth beneath the print head and across the face of a printing medium by a solenoid actuated cam. Each reservoir is continuously in contact with respective section of ink transfer material.
    • 用于实现相对于点阵式打印机等的多色打印输出能力的装置。 该装置由油墨储存系统组成,该油墨储存系统包括单独的油墨储存器,用于将储存器中所选颜色的油墨补充到油墨转移材料的各个部分。 这些部分以串联的方式安装在细长的油墨转移材料保持部件上,该保持部件通过螺线管致动的凸轮在打印头下方并且在打印介质的表面上往复运动。 每个储存器与油墨转印材料的相应部分连续地接触。
    • 7. 发明授权
    • Sealed, super 8, optical sound, projection means
    • 密封,超8,光学声音,投影手段
    • US4149781A
    • 1979-04-17
    • US660734
    • 1976-02-24
    • Seth L. Everett, Jr.
    • Seth L. Everett, Jr.
    • G03B21/32G03B21/44G03B31/02G03B23/02
    • G03B21/323G03B21/44G03B31/02
    • A film projector system including a sealed film cassette removeably mountedithin an aperture in the projector and driving means in said projector mechanically engaging coupling means extending through said cassette for driving the sealed film between hubs sealed in said cassette intermittently past a film projection location in said cassette and continuously past a sound detection location therein, with the projection plane of the film at said projector locations being disposed normal to the projector optical projection optical sound beams and twisted ninety degrees with respect to the plane of that portion of the film wound on said hubs so that the projector beams do not pass between the film hubs. The coupling means extending through seals in the periphery of said cassette are biased in contact with similar coupling means associated with the projector driving means by pressure exerted upon said cassette by a cassette cover hinged to, and latched with, the projector body, and by springs mounted on the cassette cover and at the periphery of said projector aperture. The driving means can consist of stepping motor means supplied selectively with the proper type of electronic pulse input to effect intermittent film advance or continuous film movement at more than one speed in either the forward or reverse direction.
    • 一种胶片投影仪系统,包括可拆卸地安装在所述投影仪的孔内的密封胶片盒和所述投影仪中的驱动装置,所述投影机中的驱动装置机械接合联接装置,其延伸穿过所述盒,用于在密封在所述盒中的轮毂之间间隔地驱动所述密封膜, 并且连续地通过其中的声音检测位置,其中在所述投影仪位置处的胶片的投影平面垂直于投影仪光学投影光学声束设置,并相对于卷绕在所述投影光学投影光学声束上的胶片部分的平面扭转九十度。 集线器,使得投影机光束不会在胶片轮毂之间通过。 延伸穿过所述盒周边的密封件的联接装置通过与铰链连接并与之相连的盒盖,以及通过弹簧施加在盒子上的压力而与与投影仪驱动装置相关联的类似联接装置被偏置接触 安装在盒盖上和所述投影仪孔的周边。 驱动装置可以由选择性地提供适当类型的电子脉冲输入的步进电机装置组成,以在正向或反向方向上以多于一个速度实现间歇胶片前进或连续胶片移动。