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1. 发明授权

US4128313A Liquid crystal display with dark characters on light background 失效
标题翻译：在浅色背景上的黑色字符的液晶显示
公开(公告)号：US4128313A
公开(公告)日：1978-12-05
申请号：US825659
申请日：1977-08-18
申请人： Herbert S. Cole, Jr. , Charles R. Stein
发明人： Herbert S. Cole, Jr. , Charles R. Stein
IPC分类号： C09K19/60 , G02F1/1337 , G02F1/139 , G02F1/13
CPC分类号： G02F1/13725 , C09K19/0208 , C09K19/60 , G02F1/1337 , Y10S359/90
摘要： A dichroic liquid crystal display of the parallel-nematic type is caused to have a bright background, indicative of the light-transmissive state, and dark characters, in the unactivated condition, by treatment of the display electrodes to cause boundaries of the dichroic liquid crystal material to be normally homeotropic except in those areas defining a character, in which areas a pattern of silicon oxide or other parallel alignment surfactant is deposited by masking techniques.
摘要翻译：平行向列型的二色性液晶显示器通过处理显示电极引起二色性液晶的边界，使得在未激活状态下具有指示透光状态的明亮背景和暗色字符材料通常是垂直的，除了在限定字符的那些区域中，其中通过掩模技术沉积氧化硅图案或其它平行排列表面活性剂的区域。

2. 发明授权

US4060801A Method and apparatus for non-scan matrix addressing of bar displays 失效
标题翻译：棒显示器的非扫描矩阵寻址的方法和装置
公开(公告)号：US4060801A
公开(公告)日：1977-11-29
申请号：US714255
申请日：1976-08-13
申请人： Charles R. Stein , William L. Carl
发明人： Charles R. Stein , William L. Carl
IPC分类号： G01R13/40 , G06F3/14
CPC分类号： G01R13/405
摘要： A method for the non-scanned matrix addressing of bar displays, particularly of the liquid crystal type, for driving all "on" elements of the display to full optical saturation and, hence, achieving uniform brightness and contrast, comprising the steps of driving the common electrodes of subordinate, "full-on" blocks of data segments with a first waveform of amplitude and frequency differing from the data signal waveform; driving the common electrode of a transitional, "top-of-the-bar" block of data segments with a second waveform of amplitude and frequency similar to a data signal waveform; and driving the common electrodes of the uppermost, "off" blocks of data segments with a waveform of frequency higher than the display cut-off frequency. Apparatus is disclosed for generating and switching the required waveforms to facilitate use of such a bar display.
摘要翻译：一种用于将显示器的所有“开”元件驱动到全光饱和并因此实现均匀亮度和对比度的条形显示器，特别是液晶型的非扫描矩阵寻址的方法，包括以下步骤：下位的公共电极，具有不同于数据信号波形的幅度和频率的第一波形的数据段的“全开”块; 驱动具有类似于数据信号波形的幅度和频率的第二波形的过渡的“顶部”数据段块的公共电极; 并且以具有高于显示截止频率的频率的波形来驱动最上面的“关闭”数据段块的公共电极。公开了用于产生和切换所需波形以便于使用这种条形显示器的装置。

3. 发明授权

US4715030A Local area network bridge 失效
标题翻译：局域网桥
公开(公告)号：US4715030A
公开(公告)日：1987-12-22
申请号：US892618
申请日：1986-08-04
申请人： Steven R. Koch , Charles R. Stein , William T. Hatfield , Neil R. Shapiro , William C. Hughes
发明人： Steven R. Koch , Charles R. Stein , William T. Hatfield , Neil R. Shapiro , William C. Hughes
IPC分类号： G06F13/38 , H04L12/46 , H01J3/02
CPC分类号： G06F13/387 , H04L12/4625 , H04L45/745
摘要： Apparatus for bridging between two local area networks is disclosed. The apparatus has two bridge sides each including means for receiving or transmitting a message frame, controller means for directing an incoming message frame into a memory means shared between the bridge sides or directing a frame out of the memory means for transmission, address reading means for reading an address portion of the incoming frame and processor means for determining frame transmissibility from the address portion as provided by the address reading means. The apparatus is configured such that the processor means determines incoming frame transmissibility substantially concurrent with the controller means directing the incoming frame into the memory means.
摘要翻译：公开了用于在两个局域网之间桥接的装置。该装置具有两个桥接端，每个端口包括用于接收或发送消息帧的装置，用于将输入消息帧引导到在桥接侧之间共享的存储装置或将帧引导出存储装置进行传输的控制器装置，用于读取输入帧的地址部分和处理器装置，用于根据地址读取装置提供的来自地址部分的帧传输率。该装置被配置为使得处理器装置确定进入的帧传输率与控制器装置大致同时地将输入帧引导到存储装置中。

4. 发明授权

US4714802A Apparatus and method for determining the source direction of local area network transmissions 失效
标题翻译：用于确定局域网传输的源方向的装置和方法
公开(公告)号：US4714802A
公开(公告)日：1987-12-22
申请号：US896499
申请日：1986-08-14
申请人： Charles R. Stein
发明人： Charles R. Stein
IPC分类号： H04L12/407 , H04B3/03
CPC分类号： H04L12/40032
摘要： A direction sensitive coupling unit, and method of operation, is disclosed for use in a communication medium to indicate the presence and source direction of transmissions. A directional coupler is provided for receiving information signals from first and second directions along the medium and for providing an attenuated information signal as its output wherein the attenuation to information signals received from the first direction is greater than the attenuation to signals received from the second direction. A voltage sensitive indicating circuit is coupled to the medium and is adapted to respond to the coupler output for providing a digital indication of the presence and source direction of transmissions on the medium.
摘要翻译：方向敏感耦合单元和操作方法被公开用于通信介质中以指示传输的存在和源方向。定向耦合器被提供用于沿着介质从第一和第二方向接收信息信号，并且用于提供衰减的信息信号作为其输出，其中从第一方向接收的对信息信号的衰减大于从第二方向接收的信号的衰减。电压敏感指示电路耦合到介质并且适于响应耦合器输出以提供在介质上的传输的存在和源方向的数字指示。

5. 发明授权

US4116543A Control electro-optical device utilizing liquid crystal 失效
标题翻译：利用液晶的控制电光装置
公开(公告)号：US4116543A
公开(公告)日：1978-09-26
申请号：US139675
申请日：1971-05-03
申请人： Charles R. Stein
发明人： Charles R. Stein
IPC分类号： G02F1/133 , G02F1/13
CPC分类号： G02F1/13306
摘要： A system of selectively controlling the light scattering areas or sites of nematic liquid crystal display devices of the type including a thin layer of the liquid crystal with conductors on opposite sides thereof, preferably transparent conductors, is described. The device is subjected to a frequency substantially above the critical frequency to maintain it in a non-light scattering state even in the presence of a voltage tending to render it light scattering. The particular sites to be rendered light scattering are selected by removing the high frequency voltage at those sites coincidentally with the application of a turn-on voltage to the same site. The circuit provides for a display of data which is utilized to control either the application of the turn-on voltage or the removal of the high frequency or hold-off voltage. The application of the other voltage to different cells or different conductors of the same cell is controlled sequentially and repetitively at a rate greater than that corresponding to the refresh time of the liquid crystal material.
摘要翻译：描述了一种选择性地控制这种类型的向列型液晶显示装置的光散射区域或位置的系统，该系列包括具有相对侧的导体的液晶薄层，优选为透明导体。该器件经受基本上高于临界频率的频率，以便即使存在趋于使其发生光散射的电压，也将其保持在非光散射状态。通过在同一位置上施加导通电压来恰当地去除那些位置处的高频电压来选择要渲染的光散射的特定位置。该电路提供用于显示数据的数据，该数据用于控制接通电压的应用或高频或保持电压的去除。以与液晶材料的刷新时间相应的速率大幅度地顺序地和重复地控制施加到相同单元的不同单元或不同导体的其他电压。

6. 发明授权

US4571585A Matrix addressing of cholesteric liquid crystal display 失效
标题翻译：胆固醇液晶显示器的矩阵寻址
公开(公告)号：US4571585A
公开(公告)日：1986-02-18
申请号：US476076
申请日：1983-03-17
申请人： Charles R. Stein , John E. Bigelow
发明人： Charles R. Stein , John E. Bigelow
IPC分类号： G09G3/36
CPC分类号： G09G3/3629 , G09G2300/0486 , G09G2310/04 , G09G2310/06 , G09G2320/0247
摘要： Methods for matrix addressing a liquid crystal display, utilizing the cholesteric-to-nematic phase change for information display, provides a voltage to each of a plurality of scanned electrodes. A preferred voltage waveform has a first non-zero value during an erase interval and a greater non-zero value during a display-write interval. The combined erase and write intervals occur, for each scanned electrode, once during a multiplex time interval. Each of another plurality of electrodes, arranged adjacent to the remaining surface of a liquid crystal layer and perpendicular to the scanned electrodes, are sequentially energized with a non-zero voltage having a polarity change coincident with the erase and write intervals when that portion of a display at the intersection of the first and second plurality of electrodes is to be addressed. If the inverted-polarity voltage is in phase with the scan electrode voltage, the liquid crystal material is switched to the cholesteric state and absorbs incident light, whereas if the inverted-polarity voltage is out-of-phase with the scan electrode erase-write pulse, the intersection is switched to the nematic state and incident light is transmitted through the cell substantially without attenuation.
摘要翻译：利用用于信息显示的胆甾醇到向列相变的液晶显示器的矩阵寻址方法为多个扫描电极中的每一个提供电压。优选的电压波形在擦除间隔期间具有第一非零值，并且在显示 - 写入间隔期间具有较大的非零值。对于每个扫描的电极，在多路复用时间间隔期间发生组合的擦除和写入间隔。与液晶层的剩余表面相邻并且垂直于扫描电极布置的另外多个电极中的每一个被非零电压顺序地激励，该非零电压具有与擦除和写入间隔一致的极性变化，当该部分在第一和第二多个电极的交点处的显示将被寻址。如果反相极性电压与扫描电极电压同相，则液晶材料切换到胆甾醇状态并吸收入射光，而如果反相极性电压与扫描电极擦除写入不相位脉冲，交叉点切换到向列状态，并且入射光基本上没有衰减地通过单元传输。

7. 发明授权

US4737953A Local area network bridge 失效
标题翻译：局域网桥
公开(公告)号：US4737953A
公开(公告)日：1988-04-12
申请号：US892601
申请日：1986-08-04
申请人： Steven R. Koch , Charles R. Stein , William T. Hatfield , Neil R. Shapiro , William C. Hughes
发明人： Steven R. Koch , Charles R. Stein , William T. Hatfield , Neil R. Shapiro , William C. Hughes
IPC分类号： H04L12/46 , H04J3/26
CPC分类号： H04L45/742 , H04L12/4625
摘要： A method for operating a communication network bridge is disclosed. The bridge receives a message frame from a first network connected thereto and reads the source and destination addresses of the received frame. The bridge determines if the addresses are contained in a source address table maintained thereby and if both addresses are present, discards the frame. The bridge transmits the frame to a second network connected thereto if the source address is not in the table or if the source address but not the destination address is in the table.
摘要翻译：公开了一种用于操作通信网桥的方法。桥接器从连接到其的第一网络接收消息帧，并读取接收到的帧的源和目的地址。桥接器确定地址是否包含在由此维护的源地址表中，并且如果两个地址都存在，则丢弃该帧。如果源地址不在表中，或者源地址而不是目的地址在该表中，则桥将帧发送到连接到其的第二网络。

8. 发明授权

US4730307A Method and apparatus for local area networks 失效
标题翻译：局域网的方法和装置
公开(公告)号：US4730307A
公开(公告)日：1988-03-08
申请号：US934283
申请日：1986-11-24
申请人： William C. Hughes , Charles R. Stein
发明人： William C. Hughes , Charles R. Stein
IPC分类号： H04L12/413 , H04J3/02 , H04J3/24
CPC分类号： H04L12/40189 , H04L12/413
摘要： A bus accessing method and apparatus for the practice thereof, in a communication network, for transmitting information packets without the need for long communication periods following each transmission, is disclosed. The network comprises transmit and receive buses, a plurality of BIUs coupled between the buses, and a head-end for directing packets leaving the transmit bus onto the receive bus. Each packet has a preamble with a gap long enough to enable receiving BIUs to reset for receipt of a new packet. Each BIU in an active state with a packet to transmit measures a first time period so long as it detects no signals on the receive bus. The BIU transitions to a wait state upon completing the first time period measurement and initiates a second time period measurement. Upon completing the second time period measurement, the BIU transitions to a transmit state and initiates transmission of its packet, reverting to the active state upon completing transmission. The BIU transitions to the preempted state if upstream signals are detected during the second time period measurement or during transmission. In the preempted state the BIU measures a third time period so long as no upstream signals are detected and upon completing this measurement transitions to the transmit state.
摘要翻译：公开了一种用于在通信网络中用于在每次发送之后不需要长通信时间的信息分组的实现的总线访问方法和装置。网络包括发送和接收总线，耦合在总线之间的多个BIU以及用于引导将发送总线留在接收总线上的分组的前端。每个分组具有足够长的间隙的前导码，以使得能够接收BIU以重新接收新分组。只要在接收总线上没有检测到信号，处于活动状态的每个BIU具有要传输的数据包测量第一时间段。在完成第一时间段测量后，BIU转变到等待状态，并启动第二时间段测量。在完成第二时间段测量时，BIU转换到发送状态并发起其分组的传输，在完成传输时恢复到活动状态。如果在第二时间段测量期间或传输期间检测到上行信号，则BIU转换到抢占状态。在抢占状态下，BIU测量第三个时间段，只要不检测到上行信号，并且完成此测量后，转换到发送状态。

9. 发明授权

US4224617A Liquid crystal display 失效
标题翻译：液晶显示器
公开(公告)号：US4224617A
公开(公告)日：1980-09-23
申请号：US936020
申请日：1978-08-23
申请人： Charles R. Stein
发明人： Charles R. Stein
IPC分类号： G02F1/133 , G09F9/30 , G09G3/18 , G02F1/13
CPC分类号： G09G3/18
摘要： A liquid crystal display is provided wherein dark characters, symbols and other indicia are displayed against a light background. The electrodes of the display are driven by sinusoidal or square waveforms of multiple frequencies and/or multiple phases in manner such that the electrode leads are essentially invisible during display operation.
摘要翻译：提供了一种液晶显示器，其中暗色字符，符号和其他标记相对于浅色背景显示。显示器的电极由多个频率和/或多个相位的正弦或正方形波形驱动，使得在显示操作期间电极引线基本上是不可见的。

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