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    • 5. 发明申请
    • Write-on Wipe-off book holder
    • 写入擦除书架
    • US20050136390A1
    • 2005-06-23
    • US10905703
    • 2005-01-18
    • Barbara Galbraith Coates
    • Barbara Galbraith Coates
    • B43L1/00B43L5/00B43L13/00
    • B43L1/00B43L5/007B43L13/005
    • An educational device that makes printed material, in the form of a child's workbook of varying thickness in the open reading position, or sheet material in the form of a worksheet, or blank template reusable. Children view their work through the clear transparent cover of the apparatus and record answers using a dry erase marker or wipe-off crayon. When completed, answers easily wipe away, allowing for exercises to be repeated many times until mastery. Additionally, the device is convenient, quick, simple, and easy to utilize, especially for young children. It is easily transportable and has multiple functionality, including an additional work, therapeutic, play, or display surface.
    • 一种教育设备,以打开阅读位置形式的不同厚度的儿童工作簿或工作表形式的书写材料或可重复使用的空白模板制作印刷材料。 孩子们可以通过设备的透明遮盖物来查看他们的作品,并使用干抹布擦拭蜡笔记录答案。 完成后,答案很容易擦去,允许练习重复多次,直到掌握。 此外,该设备方便,快​​速,简单,易于使用,特别是对于幼儿。 它易于运输,具有多种功能,包括额外的工作,治疗,游戏或显示表面。
    • 6. 发明授权
    • Light table
    • 光表
    • US4654762A
    • 1987-03-31
    • US718455
    • 1985-04-01
    • William J. Laverick
    • William J. Laverick
    • B43L5/00G09F13/04
    • B43L5/007
    • A light table for use in tracing drawings, figures and the like includes a molded unitary housing structure forming an open top chamber with a peripheral support frame on which is mounted a transparent planar sheet or panel of glass or similar support material covering the majority of the open top with a tool tray disposed at one end of the housing for containing artists' or draftsmens' tools and instruments, and adjustable legs are positioned at the four corners of the housing and are adjustable to adjust the slope of the table and to define a right or left handed orientation of the table.
    • 用于跟踪图纸,图形等的轻型桌子包括模制的整体式外壳结构,其形成具有外围支撑框架的开放顶部室,在该顶部室上安装有透明的平板或玻璃面板或类似的支撑材料, 敞开的顶部具有设置在壳体的一端的工具托盘,用于容纳艺术家或草稿工具和工具,并且可调节的腿位于壳体的四个角部,并且可调节以调节工作台的斜率并限定一个 桌子的右手或左手方向。
    • 9. 发明授权
    • Selective color illumination device for electronic drafting tables
    • 电子绘图台的选择性彩色照明装置
    • US4490777A
    • 1984-12-25
    • US277179
    • 1981-06-25
    • Stephen E. TannerEugene J. Tanner
    • Stephen E. TannerEugene J. Tanner
    • B43L5/00F21V9/40F21S3/00
    • F21V9/10B43L5/007
    • A multiple light device for the illumination of bicolored translucent self adhesive tape drawings, principally used in electronic circuit drafting, which through the principal of selective absorption highlights the contrast and or color difference between the two tapes. The device is designed to replace the fluorescent lamps in light tables used in viewing the drawings without any modifications necessary to the table or lamp sockets and provides a means of illuminating the table surface with a manually selected limited spectrum light or an approximated white light by moving a magnetic field generating device, typically a magnet, over the top surface of the table on the underside of which is affixed, by adhesive, three magnetic field sensing devices forming an electrical circuit between the original lamp socket in the table and one of the three new lamp sockets supported by radially and laterally adjustable support members connected to the main support member, which includes pin contacts at each end and is of a size and configuration so as to easily fit in the original fluorescent lamp socket in the table with said contacts being attached to wires emerging from the center of the tubular main support member, connected to the switching devices and to the new lamp sockets of this device.
    • 一种用于照明双色半透明自粘胶带图纸的多光装置,主要用于电子电路牵伸,其通过选择性吸收的主要突出显示了两个胶带之间的对比度或色差。 该装置被设计成替换用于观察图纸的光台中的荧光灯,而不需要对桌子或灯插座进行任何修改,并且通过移动来提供用手动选择的有限光谱光或近似的白光照亮台面的装置 一个磁场产生装置,通常是一个磁体,位于台面的上表面上,其底面上通过粘合剂固定三个磁场感测装置,这三个磁场感测装置在表格中的原始灯插座和三个之间的一个之间形成一个电路 新的灯座由连接到主支撑构件的径向和侧向可调节的支撑构件支撑,该支撑构件在每个端部包括销触点,并且具有尺寸和构造,以便容易地装配在桌子中的原始荧光灯插座中, 连接到从管状主支撑构件的中心出来的连接到开关装置的电线 该设备的新灯插座。
    • 10. 发明授权
    • Drafting and drawing table
    • 起草和绘图
    • US4450774A
    • 1984-05-29
    • US380465
    • 1982-05-20
    • Johnny L. Weaver
    • Johnny L. Weaver
    • A47B11/00A47B13/12B43L5/00
    • A47B13/12A47B11/00B43L5/002B43L5/007
    • A circularly configured rotatable element rotationally mounted for use in a drafting, drawing, tracing or light tabletops of generally rectangular or square configuration, a concave-convex annular interface disposed between the circular element and the adjacent portion of the tabletop and a series of 360.degree. sockets or apertures arranged along the interface for receiving a locking spring pin element therein. Also, indicia displaying 360.degree. markings may be disposed about peripheral portions of the circular element. A swivel assembly such as used in a lazy susan is used to support the rotatable element. In one embodiment, the circular element is constructed of transparent, translucent or similar material with a set of at least a pair of fluorescent lights mounted thereunder. In another embodiment, the rotatable element is in the form of an opaque, light impervious circular element.
    • 旋转安装的圆形构造的可旋转元件,用于大体矩形或正方形构造的牵伸,拉伸,跟踪或轻型台面,设置在圆形元件与桌面相邻部分之间的凹凸环形接口以及一系列360度 沿着接口布置的插座或孔,用于在其中接收锁定弹簧销元件。 此外,可以围绕圆形元件的周边部分布置显示360°标记的标记。 使用诸如用于懒惰苏珊的旋转组件来支撑可旋转元件。 在一个实施例中,圆形元件由透明,半透明或类似材料构成,其中安装有至少一对荧光灯。 在另一个实施例中,可旋转元件是不透明的,不透光的圆形元件的形式。