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    • 31. 发明授权
    • Stackable WDM arrangement
    • 可堆叠WDM布置
    • US07254335B1
    • 2007-08-07
    • US10008507
    • 2001-11-08
    • Brandon C. CollingsAnthony L. LentineMartin C. NussGraham SmithTed K. Woodward
    • Brandon C. CollingsAnthony L. LentineMartin C. NussGraham SmithTed K. Woodward
    • H04J14/02
    • H04J14/02H04J14/0204H04J14/0205H04J14/0206H04J14/0209H04J14/0213H04J14/0219H04J14/0227H04J14/0246H04J14/025H04J14/0283
    • A module that includes both an “add-in”/“drop-out” pair of ports and a “drop-in”/“add-out” pair of ports comprises an arrangement of elements that combines an optical signal having a chosen wavelength with an optical signal applied at the “add-in” port, and outputs the combined signal at the “add-out port.” Concurrently, the module extracts an optical signal with the same wavelength from an optical signal applied at the “drop-in” port signal, yielding an optical signal at the “drop-out” port that is missing that same wavelength. When the amount of information that needs to be sent from a first network node to a second, remote, node, is greater than that which a single wavelength can handle, a plurality of the above-described modules are interconnected within the first node by optically coupling the “add” ports in a “daisy chain” fashion and the “drop” ports in a “daisy chain” fashion, with each module operating at a different wavelength.
    • 包括“附加”/“辍学”端口对和“插入”/“附加”对端口的模块包括组合具有所选波长的光信号的元件的布置 在“附加”端口处施加光信号,并在“添加端口”处输出组合信号。 同时,该模块从在“插入”端口信号处施加的光信号中提取具有相同波长的光信号,从而在“丢失”端口处产生缺少相同波长的光信号。 当需要从第一网络节点发送到第二远程节点的信息量大于单个波长可以处理的信息量时,多个上述模块在第一节点内通过光学 以“菊花链”方式耦合“添加”端口,以“菊花链”方式耦合“插入”端口,每个模块以不同的波长工作。
    • 33. 发明申请
    • Teleconferencing robot with swiveling video monitor
    • 具有旋转视频监视器的电话会议机器人
    • US20050219356A1
    • 2005-10-06
    • US11141632
    • 2005-05-31
    • Graham SmithDeborah FelsJutta Treviranus
    • Graham SmithDeborah FelsJutta Treviranus
    • H04N7/14H04N7/15G06F19/00
    • A47B21/0073H04N7/142H04N7/15
    • A teleconferencing robot for enabling a remote conferee to project a sense of presence into a group meeting. The teleconferencing robot includes: a base; a video monitor movably mounted to the base for receiving and displaying an image of the remote conferee; an attention getting device for getting the attention of conferees in the group meeting; a control device mounted on the base for moving the video monitor and actuating the attention getting device in response to an input control signal derived from a remote signal generated by the remote conferee and sending an outgoing data signal to the remote conferee providing feedback to the remote conferee from the robot; and the video monitor and attention getting device move in response to the input control signal to enable the remote conferee to project a sense of presence into the group meeting, and to confirm the movement by the outgoing data signal.
    • 一种电话会议机器人,用于使远程会议人员能够在组会议中投射一种存在感。 电话会议机器人包括:基座; 视频监视器,其可移动地安装到所述基座,用于接收和显示所述远程会话的图像; 在小组会议中注意参与者的注意力; 控制装置,安装在基座上,用于移动视频监视器并响应于由远程会议者产生的远程信号导出的输入控制信号并致动注意力获取装置,并向远程会议发送输出数据信号,以向远程会议提供反馈 机器人的同伴; 并且视频监视器和注意力获取装置响应于输入控制信号而移动,以使远程会议者能够向组会议中投射出存在感,并且通过输出数据信号确认移动。
    • 36. 发明授权
    • Electrooptical liquid crystal system
    • 电光液晶系统
    • US5958290A
    • 1999-09-28
    • US392682
    • 1995-02-23
    • David CoatesShirley MardenGraham SmithUlrich FinkenzellerVolker ReiffenrathReinhard HittichStefan Wilhelm
    • David CoatesShirley MardenGraham SmithUlrich FinkenzellerVolker ReiffenrathReinhard HittichStefan Wilhelm
    • C09K19/12C09K19/30C09K19/42C09K19/44C09K19/54G02F1/1334C09K19/52G02F1/133
    • G02F1/1334C09K19/12C09K19/3003C09K19/3028C09K19/42C09K19/44C09K19/544
    • The invention relates to an electrooptical liquid crystal systemwhich contains a dielectrically positive liquid crystal mixture and a further optically transparent medium between 2 electrodes which are optionally applied to substrate sheets,whose liquid crystal molecules in the switched-off state have an irregular orientation,in which one of the refractive indices of the liquid crystal mixture essentially agrees with the refractive index of the matrix n.sub.M and/or in which the quotient of the mass of the liquid crystal mixture and of the mass of the optically transparent medium is 1.5 or more and,which, independently of the polarization of the incident light, has a reduced transmission in one of the two switch states compared to the other state andwhose liquid crystal mixture contains one or more compounds of the formula I ##STR1## in which Q.sup.1 is ##STR2## are independently of one another trans-1,4-cyclohexylene, 1,4-phenylene, 2-fluoro-1,4-phenylene, 3-fluoro-1,4-phenylene and one of A.sup.1 and, if present, A.sup.2, is also pyridine-2,5-diyl, pyrimidine-2,5-diyl, 1,3-dioxane-2,5-diyl, tetrahydropyran-2,5-diyl or naphthalene-2,6-diyl,Z.sup.1 and Z.sup.2 are independently of one another a single bond, --CH.sub.2 CH.sub.2 --, --COO--, --OCO--, --C.tbd.C--, --CH.sub.2 O-- or any desired combinations of these bridge groups,Y and X are independently of one another H or F, and one of X and Y is also Cl,W is --CN, --Cl, --F, --CF.sub.3, --OCF.sub.3, --OCHF.sub.2, --NCS or R.sup.2R.sup.1 and R.sup.2 independently of one another are alkyl having 1-12 C atoms, in which one or 2 non-adjacent CH.sub.2 groups can also be replaced by --O-- or --HC.dbd.CH--, andm is 0, 1 or 2.
    • 本发明涉及一种电光学液晶体系,其包含介于两个电极之间的介电正极液晶混合物和另外的光学透明介质,所述两个电极任选地施加到基板上,所述基板在关闭状态下的液晶分子具有不规则取向, 液晶混合物的折射率之一基本上与基体nM的折射率一致,和/或其中液晶混合物的质量和光学透明介质的质量的商为1.5以上, ,其独立于入射光的偏振,与其他状态相比,在两种开关状态之一中具有降低的透射率,并且其液晶混合物含有一种或多种式I的化合物,其中Q1独立地为一个 另一个反式-1,4-亚环己基,1,4-亚苯基,2-氟-1,4-亚苯基,3-氟-1,4-亚苯基和A1中的一个,如果 t,A2也是吡啶-2,5-二基,嘧啶-2,5-二基,1,3-二恶烷-2,5-二基,四氢吡喃-2,5-二基或萘-2,6-二基, Z 1和Z 2彼此独立地是单键,-CH 2 CH 2 - , - COO - , - OCO-, - C 3BOND C - , - CH 2 O-或这些桥基的任何所需组合,Y和X彼此独立地 H或F,X和Y中的一个也是Cl,W是-CN,-Cl,-F,-CF 3,-OCF 3,-OCHF 2,-NCS或R 2,R 1和R 2彼此独立地是具有1- 12个C原子,其中一个或两个不相邻的CH2基团也可以被-O-或-HC = CH-取代,m是0,1或2。