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    • 1. 发明授权
    • Wireless terminal
    • 无线终端
    • US07835776B2
    • 2010-11-16
    • US09912470
    • 2001-07-25
    • Kevin R. BoylePeter J. MasseyRoger Hill
    • Kevin R. BoylePeter J. MasseyRoger Hill
    • H04M1/00H01Q1/00
    • H01Q1/243H01Q9/40H01Q9/42
    • A wireless terminal comprises a ground conductor (1102) and a transceiver coupled to an antenna feed, the antenna feed being coupled directly to the ground conductor (1102). In one embodiment the ground conductor is a conducting case (1102). The coupling may be via a parallel plate capacitor (504) formed by a plate (506) and a surface (1108) of the case (1102). The case (1102) acts as an efficient, wideband radiator, eliminating the need for a separate antenna. In a modification of this embodiment a slot (1112) is provided to increase the resistance of the case (1102) as seen by the transceiver, thereby increasing the radiating bandwidth of the terminal.
    • 无线终端包括接地导体(1102)和耦合到天线馈电的收发器,天线馈线直接耦合到接地导体(1102)。 在一个实施例中,接地导体是导电壳体(1102)。 耦合可以经由由板(506)和壳体(1102)的表面(1108)形成的平行板电容器(504)。 情况(1102)充当有效的宽带辐射器,消除了对单独天线的需要。 在该实施例的修改中,提供了一个插槽(1112),以增加收发器所看到的壳体(1102)的电阻,从而增加了终端的辐射带宽。
    • 2. 发明授权
    • Multi-oscillator ring laser gyroscope with improved stabilization
    • 具有改善稳定性的多振荡器环激光陀螺仪
    • US5096297A
    • 1992-03-17
    • US660930
    • 1991-02-28
    • Roger Hill
    • Roger Hill
    • G01C19/66H01S3/083
    • G01C19/667
    • The gyroscope had a closed optical path (10) defined by four reflecting surfaces (11, 12, 13, 14). Counter-rotating beams of radiation circulating around the closed path are produced by a gaseous active lasing medium executed over a gain region (15) to produce a discharge in the gas. A reciprocal dispersion element (18) is located in the optical path and a solenoid (23) is wound around part of the gain region to produce a magnetic field over that region. One of the reflecting surfaces (14) is a partially transmitting mirror which passes a small proportion of the radiation incident upon it, and detectors (19, 20) detect radiation in each counter-rotating beams passing through the mirror (14). The alternating current components of the outputs of the detectors are used to control a control circuit (22) so as to control the magnetic field produced by the solenoid (23).
    • 陀螺仪具有由四个反射表面(11,12,13,14)限定的闭合光路(10)。 在闭合路径周围循环的反向旋转的光束由在增益区域(15)上执行的气体活性激光介质产生,以在气体中产生放电。 互补色散元件(18)位于光路中,并且螺线管(23)缠绕在增益区域的一部分上以在该区域上产生磁场。 反射表面(14)中的一个是通过入射到其上的一小部分辐射的部分透射镜,并且检测器(19,20)检测穿过反射镜(14)的每个反向旋转光束中的辐射。 检测器的输出的交流分量用于控制控制电路(22),以便控制螺线管(23)产生的磁场。
    • 4. 发明申请
    • Optical coupling devices
    • 光耦合器件
    • US20050105870A1
    • 2005-05-19
    • US10498545
    • 2004-04-29
    • Roger Hill
    • Roger Hill
    • G02B6/32G02B6/42G02B6/00
    • G02B6/4206G02B6/32G02B6/4208G02B6/4225G02B6/4233G02B6/4237
    • A laser transmitter unit is described, the unit including a laser diode 2 emitting laser radiation into a lens system. The lens system includes collimating lenses L1, L3 and focussing lenses L2, L4. Additionally, compensating or steering lens S1, S2 are positioned between the collimating lenses L1, L3 and the focussing lenses L2, L4. The steering lenses S1, S2 act to reduce the sensitivity of the focussing lenses L2, L4 to position within the lens system. The position of the focussing lenses can be difficult to control, particularly when the lenses are welded into position in the laser transmitter unit 1.
    • 描述了激光发射器单元,该单元包括将激光辐射发射到透镜系统中的激光二极管2。 透镜系统包括准直透镜L 1,L 3和聚焦透镜L 2,L 4。 此外,补偿或转向透镜S1,S2位于准直透镜L 1,L 3和聚焦透镜L 2,L 4之间。 转向透镜S 1,S 2用于降低聚焦透镜L 2,L 4在透镜系统内的位置的灵敏度。 聚焦透镜的位置可能难以控制,特别是当透镜被焊接到激光发射器单元1中的适当位置时。
    • 6. 发明授权
    • Optical coupling devices
    • 光耦合器件
    • US07125175B2
    • 2006-10-24
    • US10498545
    • 2004-04-29
    • Roger Hill
    • Roger Hill
    • G02B6/32
    • G02B6/4206G02B6/32G02B6/4208G02B6/4225G02B6/4233G02B6/4237
    • A laser transmitter unit is described, the unit including a laser diode 2 emitting laser radiation into a lens system. The lens system includes collimating lenses L1, L3 and focussing lenses L2, L4. Additionally, compensating or steering lens S1, S2 are positioned between the collimating lenses L1, L3 and the focussing lenses L2, L4. The steering lenses S1, S2 act to reduce the sensitivity of the focussing lenses L2, L4 to position within the lens system. The position of the focussing lenses can be difficult to control, particularly when the lenses are welded into position in the laser transmitter unit 1.
    • 描述了激光发射器单元,该单元包括将激光辐射发射到透镜系统中的激光二极管2。 透镜系统包括准直透镜L 1,L 3和聚焦透镜L 2,L 4。 此外,补偿或转向透镜S1,S2位于准直透镜L 1,L 3和聚焦透镜L 2,L 4之间。 转向透镜S 1,S 2用于降低聚焦透镜L 2,L 4在透镜系统内的位置的灵敏度。 聚焦透镜的位置可能难以控制,特别是当透镜被焊接到激光发射器单元1中的适当位置时。
    • 9. 发明授权
    • Ring laser gyroscope having means for maintaining the beam intensity
    • 具有保持光束强度的方式的环形激光陀螺仪
    • US5059028A
    • 1991-10-22
    • US472372
    • 1990-02-01
    • Roger Hill
    • Roger Hill
    • G01C19/66H01S3/083H01S3/134
    • H01S3/134G01C19/665
    • A closed path (14) around which two beams of laser radiation may pass in opposite directions is formed in a block (10) of material and is defined by at least three mirrors (11, 12 13). One of these mirrors (11) is partially transmissive of laser radiation in each beam and has detector means (17, 18) associated with it to derive electrical signals dependent upon the rotational forces acting on the gyroscope about an axis 19. A second mirror (12) is totally reflecting and is associated with a transducer (20) which continuously moves the mirror. Second detector means (21) is responsive to laser radiation in the two beams to derive alternating-current signals to control the transducer (20). Control means (22) respond to the direct-current component of the output of the second detector means (21) to maintain the intensity of the laser beams at a constant value.
    • 在材料块(10)中形成两个激光辐射束可以相反方向穿过的封闭路径(14),并由至少三个反射镜(11,12,13)限定。 这些反射镜(11)中的一个对每个光束中的激光辐射是部分透射的,并且具有与其相关联的检测器装置(17,18),以取决于作用在陀螺仪围绕轴线19的旋转力的电信号。第二反射镜 12)完全反射并与连续地移动镜子的传感器(20)相关联。 第二检测器装置(21)响应两个光束中的激光辐射以导出交流信号以控制换能器(20)。 控制装置(22)对第二检测器装置(21)的输出的直流分量作出响应,以将激光束的强度保持在恒定值。