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    • 1. 发明申请
    • CONTROL DEVICE FOR A TILTABLE MOUNTING HEAD
    • 用于倾斜安装头的控制装置
    • WO1990009544A1
    • 1990-08-23
    • PCT/GB1990000167
    • 1990-02-02
    • VINTEN BROADCAST LIMITEDLINDSAY, Richard, Arthur
    • VINTEN BROADCAST LIMITED
    • F16M11/10
    • F16M11/24F16M11/10F16M11/18F16M11/2092F16M13/00F16M2200/044F16M2200/063Y10S414/13Y10T74/18856Y10T74/1888
    • A control device for a tiltable mounting head, such as the mounting head for a camera, has a three element pantographic linkage including a rigid control arm (22) of which an intermediate point is constrained to move along a horizontal path. One end of the arm (22) is pivotally mounted to an arm (16) carrying the tiltable head, while the other end is pivotally mounted to a locating arm (10) whose remote end is pivoted to fixed structure (28). The relative angular position of the two arms (10, 16) is controlled by two parallelogram linkages (12, 30, 18; 14, 32, 30) with different degrees of fold and having the central arm (22) in common, whereby one of the two linkages is always laterally spaced from the arm (22). Alternatively the two arms (10, 16) may be secured to respective sprockets (44, 46) pivoted to the arm (22) and connected together by a chain (40, 42).
    • 用于可倾斜安装头的控制装置,例如用于照相机的安装头,具有包括刚性控制臂(22)的三元素集合连杆,其中间点被限制为沿着水平路径移动。 臂(22)的一端枢转地安装到承载可倾斜头部的臂(16)上,而另一端可枢转地安装到其远端枢转到固定结构(28)的定位臂(10)上。 两个臂(10,16)的相对角位置由具有不同程度的折叠并且具有共同的中心臂(22)的两个平行四边形连杆(12,30,38; 14,32,30)控制,由此一个 两个连杆总是与臂(22)横向间隔开。 或者,两个臂(10,16)可以被固定到枢转到臂(22)并通过链条(40,42)连接在一起的相应链轮(44,46)。
    • 2. 发明申请
    • NAVIGATION SYSTEM
    • 导航系统
    • WO1991014187A1
    • 1991-09-19
    • PCT/GB1991000375
    • 1991-03-08
    • VINTEN BROADCAST LIMITEDSTEELE, Stephen, John
    • VINTEN BROADCAST LIMITED
    • G01S01/70
    • G01S1/70
    • Systems for navigating moving bodies, particularly systems based on the detection of rotating beams of radiation, often require complex or expensive equipment, such as a number of laser modules or a specially laid floor over which the body can move. The invention overcomes this requirement by providing a navigation system, and a method of navigating a body in which two beams of the same frequency, rotating at equal and opposite angular velocities and distinguishable in form, are produced by a single radiation source and detected by at least three spaced apart sensors on the body being navigated. The outputs of the sensors are used to calculate the angular and radial position of the body relative to the radiation source. The invention is of particular use in navigating moving cameras, for instance on a studio set.
    • 用于导航移动体的系统,特别是基于检测旋转辐射束的系统,通常需要复杂或昂贵的设备,例如多个激光模块或身体可以移动的特殊地板。 本发明通过提供导航系统和导航系统克服了这一要求,以及一种导航身体的方法,其中相同频率的两个波束以相等和相反的角速度旋转并且以形式可区分,由单个辐射源产生并由at 身体上至少三个间隔开的传感器被导航。 传感器的输出用于计算身体相对于辐射源的角度和径向位置。 本发明特别用于导航移动摄像机,例如在演播室中。