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    • 2. 发明授权
    • Thermochromic drawing device
    • 热变色拉丝装置
    • US5441418A
    • 1995-08-15
    • US065549
    • 1993-05-20
    • William E. BrownCharles W. DietterichRichard M. Mandle
    • William E. BrownCharles W. DietterichRichard M. Mandle
    • B41M5/28G09B11/00
    • G09B11/00B41M5/282
    • A thermochromic drawing device is disclosed which can be marked and erased by selectively changing the temperature of its drawing surface. The drawing surface of the drawing device consists of a flexible substrate printed with thermochromic inks having at least two color states. The flexible substrate has low thermal mass thereby enabling it to readily assimilate temperatures induced by a user and, consequently, facilitating the transition of the thermochromic inks from one color state to another. The drawing surface is further provided with an insulating layer which isolates the flexible substrate from unwanted heat sinks and heat sources thereby preventing unwanted color transitions of the thermochromic inks. Thus, a user can selectively change the color state of portions of the drawing surface to create distinctive markings.
    • 公开了一种通过选择性地改变其拉制表面的温度来标记和擦除的热致变色拉丝装置。 拉伸装置的拉伸表面由具有至少两种颜色状态的热变色油墨印刷的柔性基材组成。 柔性基板具有低热量,从而使其能够容易地吸收用户感应的温度,从而促进热变色油墨从一种颜色状态到另一种颜色状态的转变。 拉伸表面还设置有绝缘层,其将柔性基板与不需要的散热器和热源隔离,从而防止热变色油墨的不期望的颜色转变。 因此,用户可以选择性地改变绘图表面的部分的颜色状态以产生不同的标记。
    • 3. 发明授权
    • Enzyme amplification and purification
    • US4767708A
    • 1988-08-30
    • US638638
    • 1984-08-07
    • Edwin G. Minkley, Jr.William E. Brown
    • Edwin G. Minkley, Jr.William E. Brown
    • C12N9/12C12N1/20C12N5/00C12N15/00
    • C12N9/1252
    • Restriction enzymes are used to remove from DNA a complete and undamaged structural gene coding region for the expression of DNA polymerase I (polA) without the gene's natural promoter or with only a significantly damaged portion of the gene's natural promoter. Also by the use of restriction enzymes, a segment from a plasmid cloning vector is excised at a position adjacent to a promoter which is conditionally controllable and may be more powerful than the damaged or removed promoter. The gene for DNA polymerase I is enzymatically cloned into said vector at the position of said removed segment and adjacent to said conditionally controllable promoter. Multicopies of the cloned vector are introduced into a host baterial strain (E. coli). The host strain is then cultured so that the cell colony grows and replicates new generations containing replicated foreign plasmid. During such said replication the activity of said controllable promoter is repressed. After the cell colony has grown, the repression of said controllable promoter is removed and the cells express an amplified amount of DNA polymerase I which is lethal or inhibitory to the cells. An improved procedure is disclosed comprising a sequence of steps for harvesting purified DNA polymerase I.
    • 4. 发明申请
    • WEB-Based Task Management System and Method
    • 基于WEB的任务管理系统和方法
    • US20080244582A1
    • 2008-10-02
    • US12058605
    • 2008-03-28
    • William E. BrownJason S. AstorquiaTodd W. JonesTodd A. FasulloJohn D. CreasonMark P. MaderMaria R. FreiBrent R. Frei
    • William E. BrownJason S. AstorquiaTodd W. JonesTodd A. FasulloJohn D. CreasonMark P. MaderMaria R. FreiBrent R. Frei
    • G06F9/46
    • G06F16/955G06F9/54G06F16/211H04L12/1822H04L51/34H04L67/02
    • A task management system and method integrates rich functionality into a web-browser based application. An efficient request for an update enables a user to quickly generate a completely customizable email message to intended recipient(s). By introducing a client side, in-memory database, the client component becomes less susceptible to network connectivity glitches and enables user interfaces to be redrawn without server interaction. Additionally, the task management system and method provides flexibility by enabling tasks to be grouped and organized. Specifically, a task may be associated with multiple task sheets and a task sheet may include multiple tasks in a many-to-many manner. Also, templates may be created that enable a user to start with a base template and to add (or remove) one or more columns. Further, the task management systems allows for multiple users to access and manipulate task data concurrently. In addition, the task management system provides a means for viewing the change history of task data within a task sheet by highlighting task data within a task sheet that has been changed by another user of the task management system.
    • 任务管理系统和方法将丰富的功能集成到基于Web浏览器的应用程序中。 对更新的有效请求使得用户能够快速地向预期收件人生成完全可定制的电子邮件消息。 通过引入客户端内存数据库,客户端组件变得不那么容易受到网络连接故障的影响,并且可以在不进行服务器交互的情况下重新绘制用户界面。 此外,任务管理系统和方法通过使任务分组和组织来提供灵活性。 特别地,任务可以与多个任务表相关联,并且任务表可以以多对多的方式包括多个任务。 此外,可以创建允许用户从基本模板开始并添加(或删除)一个或多个列的模板。 此外,任务管理系统允许多个用户同时访问和操纵任务数据。 此外,任务管理系统提供了通过突出显示已经由任务管理系统的另一用户改变的任务表内的任务数据来查看任务表内的任务数据的改变历史的手段。