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公开(公告)号：US06218956B1
公开(公告)日：2001-04-17
申请号：US08968743
申请日：1997-08-27
IPC分类号： G06F1520
CPC分类号： G05B19/042 , G05B2219/24067 , G05B2219/2628 , G07B15/04
摘要： A movable barrier operator system includes a barrier-motor electrical driver, a first input device for receiving operating commands, a second input device for developing system status and a controller for storing a record of all input commands received and a record of all events occurring to the movable barrier and for enabling operation of the electrical driver in response to an input command. The first input device may be a DTMF receiver or a telephone entry system. Events stored include barrier obstructions and barrier operator failures. The controller, responsive to a stored event, enable the telephone entry system to contact a service provider. For facilities with multiple barriers and a DTMF receiver at each operator, a special circuit normalizes the amplitude of a transient analog tone burst (such as from a DTMF transmission) without any transient level overshoot.
摘要翻译： 可移动屏障操作系统包括屏障电机电驱动器，用于接收操作命令的第一输入装置，用于开发系统状态的第二输入装置和用于存储接收到的所有输入命令的记录的控制器和发生的所有事件的记录 所述可移动屏障并且用于响应于输入命令使得所述电驱动器能够操作。 第一输入设备可以是DTMF接收器或电话输入系统。 存储的事件包括屏障障碍和屏障操作员故障。 响应于存储的事件，控制器使电话输入系统能够联系服务提供商。 对于具有多个屏障的设备和每个操作员的DTMF接收器，特殊电路使瞬态模拟音调脉冲串（例如来自DTMF传输）的振幅标准化，而不会产生任何瞬态电平过冲。
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公开(公告)号：US5416495A
公开(公告)日：1995-05-16
申请号：US985017
申请日：1992-12-04
CPC分类号： G09F9/35 , G09G3/36 , G02F1/13306 , G02F2203/60 , G09G2320/041
摘要： A liquid-crystal display preferably eighteen lines of forty characters each, is mounted in a case. The temperature of the display medium is held within operating limits for the display--notwithstanding ambient temperature and humidity variations over generally normal ranges for at least the temperate zones, and even if the display unit receives direct sunlight. The unit works outdoors, at temperatures to at least 46.degree. C. (115.degree. F.) as well as in buildings with no temperature control. This is accomplished by use of a shading hood, and a window (preferably unperforated polycarbonate, curved, upward-and-outward-concave, and cylindrical-segment) that reflects to a viewer only light from the hood underside. No ventilating fan, plenum or other ventilating opening is needed. A circuit-board-mounted temperature sensor controls the contrast-adjusting voltage of the display--using data in a digital-memory "look up" table. A heater is preferably provided, also temperature-controlled. The entire unit can be flush-mounted in a wall without disrupting operation. Visible glare arising in reflection at the window is reduced by the hood-and-window combination, without need for any antireflection coating on the window.
摘要翻译： 液晶显示器优选地安装在壳体中，每个具有四十个字符的十八行。 显示介质的温度保持在显示器的操作限度内 - 尽管在至少温带区域的大致正常范围内的环境温度和湿度变化，并且即使显示单元接收直接的阳光。 该设备在室外工作，温度至少为46℃（115°F）以及没有温度控制的建筑物。 这通过使用遮光罩和窗户（优选未穿孔聚碳酸酯，弯曲，向上和向外 - 凹入和圆柱形部分）来实现，其仅向来自观察者的观察者反射来自罩下侧的光。 不需要通风扇，增压室或其他通风口。 电路板安装的温度传感器控制数字存储器“查找”表中的显示器使用数据的对比度调节电压。 优选地设置加热器，也是温度控制的。 整个单元可以嵌入式安装在墙壁上，而不会中断操作。 通过遮光罩和窗户组合可以减少在窗户反射中产生的可见眩光，而不需要窗口上的任何抗反射涂层。
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公开(公告)号：US5252955A
公开(公告)日：1993-10-12
申请号：US705346
申请日：1991-05-24
申请人： William R. Davis , Dennis W. Mowers , Richard P. Greenthal , Paul Szymanski , Ronald A. Wray , Richard A. Davidson
发明人： William R. Davis , Dennis W. Mowers , Richard P. Greenthal , Paul Szymanski , Ronald A. Wray , Richard A. Davidson
CPC分类号： G09F9/35 , G09G3/36 , G02F1/133382 , G02F1/133385 , G02F2201/36 , G09G2320/041
摘要： A liquid-crystal display, preferably twenty-five lines of eighty characters each, is mounted in a case. The temperature of the display medium is maintained within operating limits for the display--notwithstanding ambient temperature and humidity variations over generally normal ranges for at least the temperate zones, and even if the display unit is placed to receive direct sunlight. The unit works outdoors as well as in buildings that lack temperature control. This is accomplished preferably by circulating air from outside the case through a space between the display face and an unperforated protective polycarbonate window. Intake and exhaust plena are long and narrow enough to deter manual access to the display and thus van dalism; however, the plena are straight and sufficiently free of obstructions that the fan can be a very small, low-power, quiet unit. A temperature sensor controls the fan, and also the contrast-adjusting voltage of the display --based on data in a digital-memory "look up" table. A heater is preferably provided, also temperature-controlled. The plena face downward so that the unit is not sensitive to rain, and the entire unit can be flush-mounted in a wall without disrupting system cooling. Visible glare arising in reflection at the window is reduced by an antireflection coating on the window.
摘要翻译： 液晶显示器，优选二十五行，每个八十个字符，安装在壳体中。 显示介质的温度保持在显示器的操作限度内 - 尽管在至少温带区域的大致正常范围内的环境温度和湿度变化，并且即使显示单元被放置以接收直接的阳光。 该单位在户外工作以及缺乏温度控制的建筑物。 这优选地通过从外壳的外部循环空气通过显示面和未穿孔保护性聚碳酸酯窗口之间的空间来实现。 进气和排气斑点足够长，足以阻止手动进入显示屏，从而使货车装甲; 然而，肛门是直的，并且没有足够的障碍物，风扇可以是非常小，低功率，安静的单元。 温度传感器根据数字存储器“查找”表中的数据来控制风扇以及显示器的对比度调节电压。 优选地设置加热器，也是温度控制的。 绦虫面向下，使得该单元对雨不敏感，整个单元可以嵌入式安装在墙壁上，而不会中断系统冷却。 通过窗户上的防反射涂层减少窗户反射产生的可见眩光。
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公开(公告)号：US5027111A
公开(公告)日：1991-06-25
申请号：US215992
申请日：1988-07-07
申请人： William R. Davis , Dennis W. Mowers , Richard P. Greenthal , Paul Szymanski , Ronald A. Wray , Richard A. Davidson
发明人： William R. Davis , Dennis W. Mowers , Richard P. Greenthal , Paul Szymanski , Ronald A. Wray , Richard A. Davidson
CPC分类号： G09F9/35 , G09G3/36 , G02F1/133382 , G02F1/133385 , G02F2201/36 , G09G2320/041
摘要： A liquid-crystal display, preferably twenty-five lines of eighty characters each, is mounted in a case. The temperature of the display medium is maintained within operating limits for the display--notwithstanding ambient temperature and humidity variations over generally normal ranges for at least the temperate zones, and even if the display unit is placed to receive direct sunlight. The unit works outdoors as well as in buildings that lack temperature control. This is accomplished preferably by circulating air from outside the case through a space between the display face and an unperforated protective polycarbonate window. Intake and exhaust plena are long and narrow enough to deter access to the display and thus vandalism; however, the plena are straight and sufficiently free of obstructions that the fan can be a very small, low-power, quiet unit. A temperature sensor controls the fan, and also the contrast-adjusting voltage of the display--based on data in a digital-memory "look up" table. A heater is preferably provided, also temperature-controlled. The plena face downward so that the unit is not sensitive to rain, and the entire unit can be flush-mounted in a wall without disrupting system cooling. Visible glare arising in reflection at the window is reduced by an antireflection coating on the window.
摘要翻译： 液晶显示器，优选二十五行，每个八十个字符，安装在壳体中。 显示介质的温度保持在显示器的操作限度内 - 尽管在至少温带区域的大致正常范围内的环境温度和湿度变化，并且即使显示单元被放置以接收直接的阳光。 该单位在户外工作以及缺乏温度控制的建筑物。 这优选地通过从外壳的外部循环空气通过显示面和未穿孔保护性聚碳酸酯窗口之间的空间来实现。 进气和排气斑点足够长，足以阻止对显示屏的访问，从而破坏行为; 然而，肛门是直的，并且没有足够的障碍物，风扇可以是非常小，低功率，安静的单元。 温度传感器根据数字存储器“查找”表中的数据来控制风扇以及显示器的对比度调节电压。 优选地设置加热器，也是温度控制的。 绦虫面向下，使得该单元对雨不敏感，整个单元可以嵌入式安装在墙壁上，而不会中断系统冷却。 通过窗户上的防反射涂层减少窗户反射产生的可见眩光。
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公开(公告)号：US5475741A
公开(公告)日：1995-12-12
申请号：US254394
申请日：1994-06-06
申请人： William R. Davis , Dennis W. Mowers , Richard P. Greenthal , Paul Szymanski , Ronald A. Wray , Richard A. Davidson
发明人： William R. Davis , Dennis W. Mowers , Richard P. Greenthal , Paul Szymanski , Ronald A. Wray , Richard A. Davidson
CPC分类号： G09F9/35 , G09G3/36 , G02F1/13306 , G02F2203/60 , G09G2320/041
摘要： This system is for use by a visitor to a facility that has multiple occupants, public-subscriber or other phone service, and an individual phone outlet at each occupant's part of the facility. A microphone and speaker are provided so that a visitor seeking access can speak with an occupant. A communication circuit carries signals between (1) the mike and speaker and (2) the phone service--to enable the conversation through an individual phone outlet. Manual controls, preferably including a standard phone keypad, are positioned for use by the visitor. An electronic memory holds directory information, particularly including occupant names and corresponding dial-up codes. An LCD, behind a protective window, shows the visitor the directory data. Names and other directory data can be fed into the memory remotely, preferably through either: ordinary phone connections using standard DTMF signals--with automated confirmation of input data by a voice-synthesis chip--or a modem. Data can also be input through a separate local hand-held programing device, or a local computer communication port. The phone circuit, even when in use for visitor-occupant conversation, can be used for the remote input. The visitor selects an occupant by finding a name in the display and then dialing that occupant's code. A microprocessor reads the data from the memory, responds to the controls, and manages: the LCD to exhibit the data, the sequence of data exhibition, the circuit to initiate communication via the phone service, etc.
摘要翻译： 该系统供访客使用，具有多个乘客，公共订户或其他电话服务的设施，以及每个乘客的设施部分的个人电话插座。 提供麦克风和扬声器，使得访问者可以与乘客说话。 通信电路在（1）麦克风和扬声器之间传送信号，（2）电话服务 - 通过个人电话插座实现对话。 手动控制，最好包括一个标准的电话键盘，供访客使用。 电子存储器保存目录信息，特别是包括占用者姓名和相应的拨号代码。 保护窗后面的一个LCD显示访客的目录数据。 名称和其他目录数据可以远程地馈送到存储器中，优选地通过以下两者之一：使用标准DTMF信号的普通电话连接 - 通过语音合成芯片或调制解调器自动确认输入数据。 也可以通过单独的本地手持编程设备或本地计算机通信端口输入数据。 手机电路即使在进行访问者占用对话时也可用于远程输入。 访客通过在显示屏中找到一个名字，然后拨打该乘客的代码来选择一个乘客。 微处理器从存储器读取数据，响应控制，并管理：LCD显示数据，数据展示顺序，通过电话服务发起通信的电路等。
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公开(公告)号：US09259286B2
公开(公告)日：2016-02-16
申请号：US13957924
申请日：2013-08-02
CPC分类号： A61B19/46 , A61B90/06 , A61B2090/061 , A61B2090/062 , G01B3/20
摘要： A graft caliper provides for a first member having a first pick at its distal end and its proximal end attached to a handle. A second member of the graft caliper is disposed above the first member and has a second pick at its distal end that extends beyond the first pick. The proximal end of the second member is attached to an adjuster which causes the second member to move from a first position to a second position in order to change a distance the second pick extends beyond the first pick. The graft caliper provides for an indication of at least one metric for describing the distance the second pick extends beyond the first pick and places an identifier on a surface of bone representing the location of a tunnel to be formed through a femur, tibia or any other anatomical structure.
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公开(公告)号：US08065964B2
公开(公告)日：2011-11-29
申请号：US12698509
申请日：2010-02-02
摘要： A hopper car discharge section may be wide at the top and narrow at the bottom. Outflow is controlled by movable closure members. The hopper car has a plurality of hoppers of which two hoppers share a common ridge assembly. The ridge assembly forms a common mating and fit up location for the upper margins of the slope sheets of two lengthwise adjacent hoppers. The ridge assembly includes an horizontal center section and two end plates that angle upwardly outboard toward the top chords of the sidewalls. The ridge assembly stands proud of the upper margin of the respective adjacent slope sheets. A gusset is mounted between the adjacent slope sheets below the ridge plate such that the slope sheets and gusset form a reinforcement tube running across the car, the end plates forming the stems of a vertical T-section attached to the sidewall and overlapping the top chord.
摘要翻译： 漏斗车放电部分可以在顶部宽并且在底部变窄。 流出由可动闭合件控制。 料斗车具有多个料斗，其中两个料斗共享共同的脊组件。 脊组件形成用于两个纵向相邻料斗的斜坡板的上边缘的公共配合和适配位置。 脊组件包括水平中心部分和两个朝向侧壁的顶部弦杆向外外侧的端板。 脊组件以相邻的相邻斜面片的上边缘为傲。 角撑板安装在脊板下方的相邻斜板之间，使得斜板和角撑板形成横跨轿厢的加强管，端板形成连接到侧壁并与顶弦重叠的垂直T形截面的杆 。
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公开(公告)号：USD289543S
公开(公告)日：1987-04-28
申请号：US687965
申请日：1984-12-31
申请人： William R. Davis
设计人： William R. Davis
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公开(公告)号：US4131624A
公开(公告)日：1978-12-26
申请号：US812761
申请日：1977-07-05
IPC分类号： C07F9/50
CPC分类号： C07F9/509
摘要： Tertiary phosphine oxides are reduced to the corresponding phosphines by halosilanes in the presence of a stoichiometric amount of a primary or secondary amine. The reduction in yield expected using a primary or secondary amine in place of the prior art tertiary amine is not observed.
摘要翻译： 在化学计量量的伯胺或仲胺的存在下，叔膦氧化物通过卤代硅烷还原成相应的膦。 未观察到使用伯胺或仲胺代替现有技术的叔胺的产率的降低。
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公开(公告)号：US4013555A
公开(公告)日：1977-03-22
申请号：US669931
申请日：1976-03-24
申请人： William R. Davis
发明人： William R. Davis
CPC分类号： C02F1/66 , C02F1/5236 , C02F1/54
摘要： A process for reducing BOD in aqueous food processing plant wastes which comprises subjecting such wastes to the following series of sequential steps:A. adjusting the pH of the waste to 3 or less to form finely divided suspended particles;B. readjusting the pH of the waste with sodium aluminate to a value within the range of 6-7.5;C. flocculating the particles with an anionic acrylamide polymer; and thenD. removing and collecting the flocculated particles from the food processing plant wastes.
摘要翻译： 一种用于减少含水食品加工厂废物中的BOD的方法，其包括对这些废物进行以下一系列顺序步骤：
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