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    • 11. 发明授权
    • Liquid crystal device operable in two modes and method of operating the same
    • 液晶装置可操作于两种模式及其操作方法
    • US07019795B2
    • 2006-03-28
    • US10481430
    • 2002-06-20
    • John C. Jones
    • John C. Jones
    • G02F1/1333G02F1/1347C09K19/02
    • G09G3/3651G02F1/1391G09G2300/0486
    • A liquid crystal device is provided that comprises a layer of liquid crystal material (2) disposed between two cell walls (4, 6) in an arrangement such that the liquid crystal material (2) can adopt any one of two or more stable liquid crystal configurations that will persist in the absence of an applied electric field. The liquid crystal device is operable in two modes; a first mode in which application of an appropriate latching voltage pulse can select any one of the two or more stable liquid crystal configurations, and a second mode in which application of an electric field can switch the layer of liquid crystal material from a latched configuration to a switched configuration and in which the layer of liquid crystal material will return to said latched configuration when the applied electric field is removed.
    • 提供了一种液晶装置,其包括设置在两个单元壁(4,6)之间的液晶材料层(2),使得液晶材料(2)可以采用两种或更多种稳定液晶中的任一种 在没有施加电场的情况下将持续的配置。 液晶装置可以两种模式操作; 适当的锁存电压脉冲的施加可以选择两个以上稳定的液晶结构中的任何一个的第一模式,以及第二模式,其中施加电场可以将液晶材料层从锁定配置切换到 切换配置,并且当所施加的电场被去除时,液晶材料层将返回到所述锁定配置。
    • 16. 发明授权
    • Multiplex addressing of ferroelectric liquid crystal displays
    • 铁电液晶显示器的多路寻址
    • US06127996A
    • 2000-10-03
    • US894507
    • 1997-09-17
    • John C. JonesJonathan R. HughesMarie H. Anderson
    • John C. JonesJonathan R. HughesMarie H. Anderson
    • G02F1/133G09G3/36
    • G09G3/3629G09G2310/06G09G2310/061
    • A ferroelectric liquid crystal display comprises a layer of ferroelectric liquid crystal material contained between two cell walls, surface treated to align the material in a tilted layer. The walls carry eg row and column electrodes forming an x,y matrix of addressable elements or pixels. Multiplex addressing voltages are provided by driver circuits. An improved addressing is obtained by varying the addressing voltage applied during switching of a pixel to maximize torque applied on liquid crystal molecules. Addressing voltages are from two data waveforms and one strobe waveform; the data waveforms have more than two voltage levels, dc balance, and equivalent rms. values; the strobe waveform has two or more voltage levels (which may include a zero level). The strobe and data waveforms combine to provide a resultant voltage that form an addressing voltage at each pixel.
    • PCT No.PCT / GB96 / 03077 Sec。 371日期1997年9月17日 102(e)日期1997年9月17日PCT 1996年12月12日PCT PCT。 公开号WO97 / 23863 日期1997年7月3日铁电液晶显示器包括包含在两个电池壁之间的铁电液晶材料层,经表面处理以将材料对准倾斜层。 墙壁携带例如形成可寻址元件或像素的x,y矩阵的行和列电极。 多路寻址电压由驱动电路提供。 通过改变在像素切换期间施加的寻址电压以最大化施加在液晶分子上的扭矩来获得改进的寻址。 寻址电压来自两个数据波形和一个选通波形; 数据波形具有两个以上的电压电平,直流平衡和等效有效值。 价值观 选通波形具有两个或更多个电压电平(其可以包括零电平)。 选通脉冲和数据波形相结合,提供在每个像素处形成寻址电压的合成电压。
    • 17. 发明授权
    • Electrical switch for actuating a plurality of circuits
    • 用于致动多个电路的电开关
    • US4727225A
    • 1988-02-23
    • US883999
    • 1986-07-10
    • John C. Jones
    • John C. Jones
    • H01H19/62H01H9/00
    • H01H19/62
    • An electrical switching apparatus is disclosed for making or breaking a plurality of electrical connections substantially simultaneously. The apparatus includes a planar substrate, a first set of electrical terminals arrayed on the substrate in a pattern providing mating pairs of terminals displaced by a distance, an actuator having a contact effecting surface and carrying thereon a plurality of moveable bridging contacts which are in substantial registration each with a respective mating pair of terminals. The actuator response to application of an actuating force toward the substrate to establish bridging contact by the bridging contact between each of the mating pairs of terminals substantially simultaneously. In the preferred embodiment a plurality of such switching apparati are actuated by a common actuating shaft.
    • 公开了用于基本同时地制造或断开多个电连接的电气开关装置。 该装置包括平面基板,第一组电气端子,以提供相互偏移一定距离的配对对的端子的图案排列在基板上,致动器具有接触效应表面并在其上承载多个可移动的桥接触点, 每个都配有相应的配对对终端。 致动器响应于向衬底施加致动力,以基本上同时地通过每个配对对之间的桥接接触建立桥接接触。 在优选实施例中,多个这样的切换装置由公共致动轴致动。
    • 19. 发明授权
    • Skip trailer
    • 跳过预告片
    • US4515510A
    • 1985-05-07
    • US398622
    • 1982-07-15
    • Peter D. HewardValerie A. JonesJohn C. Jones
    • Peter D. HewardValerie A. JonesJohn C. Jones
    • B60P1/14B62D63/06B65G65/23
    • B60P1/14B62D63/061
    • A trailer for towing by family saloon cars and the like has a wheeled frame (12) with a towing hitch (34) at the front. The frame has a respective ramp rail (22) at each side to enable a skip (14) to be drawn onto the frame, a support wheel (25) of the skip engaging on each rail. The skip can carry heavy bulk loads such as sand or bricks in the region of a ton which normal car trailers could not support. In addition, the mounting of the skip on the trailer frame by means of support wheels enables the skip to be pivoted in situ to tip out its load. Tipping, and mounting and demounting of the skip are effected using winch (16) supported on the frame near the towing hitch. The trailer also has a pivotable ramp (50) enabling the trailer to be used to carry heavy plant such as a cement mixer or roller.
    • 由家庭轿车等牵引的拖车具有在前部具有牵引牵引(34)的轮式框架(12)。 框架在每一侧具有相应的斜坡轨道(22),以使得能够将跳过(14)拉到框架上,跳过的支撑轮(25)接合在每个轨道上。 跳跃可以在一般的拖车不能支撑的吨的区域内承载诸如沙子或砖块之类的大量散货。 此外,通过支撑轮将跳过式安装在拖车框架上使得能够在现场枢转跳动以提取其负载。 使用支撑在牵引钩附近的框架上的绞车(16)来实现跳跃的安装和拆卸。 拖车还具有可枢转的坡道(50),使得拖车能够用于承载诸如水泥搅拌机或滚筒的重型设备。