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    • 22. 发明申请
    • TILT ADJUSTMENT LOCKING MECHANISM FOR A HEAD-MOUNTED NIGHT VISION DEVICE
    • 用于头戴式夜视设备的倾斜调节锁定机构
    • US20090135507A1
    • 2009-05-28
    • US11946181
    • 2007-11-28
    • David Richards
    • David Richards
    • G02B7/00
    • G02B7/002G02B23/125
    • A mechanism for permitting selective adjustment of the angular position of a head-mounted night vision device is provided. The mechanism comprises a housing positioned adjacent the night vision device. A shaft defining a longitudinal axis is at least partially positioned within or adjacent the housing. The shaft is rotatively coupled to the night vision device, wherein rotation of the shaft induces rotation of the night vision device. A moveable lever is coupled to the shaft for rotating the shaft. Means for selectively limiting rotation of the shaft are provided, wherein the means are moveable between a first position and a second position. In the first position the means permit rotation of the shaft and the optical device, and in the second position the means limit rotation of the shaft and the optical device.
    • 提供一种用于允许选择性地调节头戴式夜视装置的角位置的机构。 该机构包括邻近夜视装置定位的壳体。 限定纵向轴线的轴至少部分地定位在壳体内或邻近壳体。 轴可旋转地耦合到夜视装置,其中轴的旋转引起夜视装置的旋转。 可移动杆联接到轴以旋转轴。 提供了用于选择性地限制轴的旋转的装置,其中装置可在第一位置和第二位置之间移动。 在第一位置,该装置允许轴和光学装置的旋转,并且在第二位置,装置限制轴和光学装置的旋转。
    • 23. 发明申请
    • Camera autofocus
    • 相机自动对焦
    • US20070177860A1
    • 2007-08-02
    • US10593100
    • 2005-03-14
    • Anthony HooleyDavid RichardsJames AllanRobert LeedhamMark Shepherd
    • Anthony HooleyDavid RichardsJames AllanRobert LeedhamMark Shepherd
    • G02B7/02G11B7/00G03B17/00
    • G02B7/08G03B13/36H04N5/23212
    • A camera comprises an image sensor arranged to generate an image signal, and a lens arrangement, which focuses an image onto the image sensor, the focus being variable in accordance with a control signal applied thereto. In the case that a piezoelectric actuator experiencing hysteresis is used to drive movement of the lens arrangement to vary the focus of the image, autofocusing is achieved by applying a control signal to the piezoelectric actuator with a value at an extreme of a predetermined range and subsequently changing the control signal monotonically across the predetermined range to determine a position at which the focus quality is at an acceptable level. Thus, this position may be returned to despite the hysteresis. In the case that an encoder is arranged to encode the image signal from the image sensor into an encoded signal compressed form, the encoder is operated in two modes in which different spatial frequency components are encoded preferentially, the amount of data in one of the modes being used as the basis for autofocusing. To assist in autofocusing the position of the lens arrangement may be determined using a light source and an optical element which is fixed to and movable with the lens arrangement, the optical element being arranged so that movement of the lens arrangement causes variation in the light incident on the image sensor.
    • 相机包括被配置为产生图像信号的图像传感器和将图像聚焦到图像传感器上的透镜装置,所述焦点可根据施加到其上的控制信号而变化。 在使用经历滞后的压电致动器来驱动透镜装置的移动以改变图像的焦点的情况下,通过将控制信号施加到具有预定范围的极端处的值的压电致动器来实现自动聚焦 在预定范围内单调地改变控制信号,以确定聚焦质量处于可接受水平的位置。 因此,尽管有迟滞,仍可能返回这个位置。 在编码器被配置为将来自图像传感器的图像信号编码成编码信号压缩形式的情况下,编码器以两种模式操作,其中不同的空间频率分量被优先编码,在一种模式中的数据量 被用作自动对焦的基础。 为了帮助自动对焦,可以使用光源和固定到透镜装置并可移动的光学元件来确定透镜装置的位置,光学元件布置成使得透镜装置的移动导致光入射的变化 在图像传感器上。
    • 27. 发明申请
    • Method and apparatus for manufacturing ceramic devices
    • 制造陶瓷器件的方法和装置
    • US20060057327A1
    • 2006-03-16
    • US10544176
    • 2004-02-09
    • Richard ToplissDavid Richards
    • Richard ToplissDavid Richards
    • B32B3/02B31C1/00B29C53/82
    • H01L41/43H01L41/33Y10T428/21
    • An apparatus for manufacturing a ceramic device from tape (21) in a green state comprises a cylindrical rod (23) as a first forming element, a first clamping system (241) for fixing a first end of the tape (21) with respect to the cylindrical rod (23) and a first mechanism (20, 231) for winding the tape (21) around the cylindrical rod (23) to preform the tape (21). The apparatus further comprises a second forming element (33), a second clamping system (351, 352) for fixing at least one end of the pre-formed tape (21) with respect to the second forming element (33), and a second mechanism (331, 351) which winds the pre-formed tape (21) around the second forming element (33).
    • 用于从绿色状态的带(21)制造陶瓷器件的设备包括:作为第一成形元件的圆柱形杆(23),用于将带(21)的第一端相对于第一形成元件固定的第一夹紧系统(241) 所述圆柱形杆(23)和用于将所述带(21)围绕所述圆柱形杆(23)缠绕以预成型带(21)的第一机构(20,231)。 该装置还包括第二成形元件(33),用于相对于第二成形元件(33)固定预形成带(21)的至少一端的第二夹紧系统(351,352),以及第二 机构(331,351)围绕第二成形元件(33)缠绕预成形带(21)。