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1. 发明授权

US5632624A Electronic study guide 失效
标题翻译：电子学习指南
公开(公告)号：US5632624A
公开(公告)日：1997-05-27
申请号：US125326
申请日：1993-09-22
申请人： Jeffrey Cameron , Evan H. Sohn , David Maurer
发明人： Jeffrey Cameron , Evan H. Sohn , David Maurer
IPC分类号： G09B7/02 , G09B7/06 , G09B3/00
CPC分类号： G09B7/063 , G09B7/02
摘要： A study guide includes a housing with a screen and a removable cartridge. The cartridge provides textual material including a plurality of questions and a set of answers for each question. The textual material is displayed on the screen and the user then selects one of the answers in response to each question. A microprocessor in the housing tabulates the answers and on demand displays a score of the total number of questions and/or the number of correct answers.
摘要翻译：学习指南包括带屏幕的外壳和可拆卸的墨盒。墨盒提供文本材料，包括多个问题和每个问题的一组答案。文本材料显示在屏幕上，然后用户响应每个问题选择一个答案。住房中的微处理器列出答案，并按要求显示问题总数和/或正确答案数量的分数。

2. 发明授权

US5249568A Body cavity introducer 失效
标题翻译：体腔引导器
公开(公告)号：US5249568A
公开(公告)日：1993-10-05
申请号：US724526
申请日：1991-06-28
申请人： Paul E. Brefka , Norman Sohn , Evan H. Sohn
发明人： Paul E. Brefka , Norman Sohn , Evan H. Sohn
IPC分类号： A61B1/31 , A61B1/00
CPC分类号： A61B1/31
摘要： An introducer device for receiving a generally bullet-shaped obturator and for facilitating the insertion of an examination instrument into an orifice or body cavity of a patient has first and second hingeably connected half-sections. Each half-section includes a handle, a flange connected to the handle and a nose portion extending continuously from the flange. A connector secures the half-sections together to form a cylindrical hollow nose portion sized to receive and hold the obturator. The generally cylindrical hollow nose portion is large enough in diameter to receive the examination instrument when the obturator is removed.
摘要翻译：用于接收大体上子弹形闭塞器并且用于便于将检查器械插入到患者的孔或体腔中的导引器装置具有第一和第二铰链连接的半部分。每个半部分包括手柄，连接到手柄的凸缘和从凸缘连续延伸的鼻部。连接器将半部分固定在一起以形成尺寸适于接收和保持闭孔器的圆柱形中空鼻部。大致圆柱形的中空鼻部直径足够大，以便在封闭器被移除时接收检查仪器。

3. 发明授权

US5048076A Control apparatus for an automated telephone attendant 失效
标题翻译：自动电话服务员的控制装置
公开(公告)号：US5048076A
公开(公告)日：1991-09-10
申请号：US464869
申请日：1990-01-16
申请人： David L. Maurer , Evan H. Sohn , Robert D. Entwisle
发明人： David L. Maurer , Evan H. Sohn , Robert D. Entwisle
IPC分类号： H04M1/723 , H04M3/527 , H04M9/02 , H04M11/06
CPC分类号： H04M1/723 , H04M11/06 , H04M3/527 , H04M9/02 , Y10S379/902
摘要： Automated telephone attendant equipment involving a technique for connecting an incoming call on an external line to one out of a plurality of telephone devices. Each telephone device is connected in an internal line branching off from the external line. A main control box is placed in an internal line. After it senses a ring on the external line, it processes an incoming identification signal, such as is characteristic of a facsimile transmission, for example, which contains information as to which particular telephone device is to be accessed. The main control box then generates a ringback signal which not only notifies the caller that the extension desired is ringing, as is conventional, but also contains a coded signal unique to the telephone device of interest. A local control box is provided in each internal line to normally block signals from passing to the telephone device from the external line. This local control box detects the coded ringback signal from the main control box and compares it with the code preassigned to itself. If a match is found, the local control box connects its corresponding telephone device to the external line.
摘要翻译：涉及用于将外线上的来电连接到多个电话设备中的一个的技术的自动电话服务器设备。每个电话设备连接在从外线分支的内部线路中。主控制箱放置在内部管线中。在外部线路感测到振铃之后，它处理诸如传真传输的特征的传入识别信号，例如包含关于哪个特定电话设备被访问的信息。然后，主控制箱产生一个回铃信号，它不仅通知呼叫者所需的分机正在振铃，如传统的那样，而且还包含对感兴趣的电话设备唯一的编码信号。在每个内部线路中提供本地控制盒，以正常地阻止从外部线路传递到电话设备的信号。本地控制箱检测来自主控制箱的编码回铃信号，并将其与预先分配给其的代码进行比较。如果发现匹配，本地控制箱将其相应的电话设备连接到外线。

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