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    • 1. 发明授权
    • Device for measuring the distances and directions of destinations on
road maps
    • 用于测量路线图上目的地的距离和方向的设备
    • US4835870A
    • 1989-06-06
    • US50296
    • 1987-05-05
    • Hans RauchEva OsterkampNorbert Stepper
    • Hans RauchEva OsterkampNorbert Stepper
    • G09B29/10G01B3/56G01B5/02G01B5/24G01C21/00G01C21/20
    • G01C21/20
    • A device for measuring the distance and direction of destinations on road maps from a starting point is suggested which serves for the data input of intermediate destinations in navigation devices. The device comprises an angle measuring plate (10) with a 360-degree scale (13) which is arranged concentrically relative to a central borehole (14) and which begins with the north direction. A bracket (11) is supported at the central borehole (14) so as to be rotatable and carries a measuring tape case (12) at its end area (11b) and a guide (20) for a measuring tape (19) at its opposite end area (11c), the measuring tape (19) being arranged in such a way that, when drawn out of the measuring tape case (12), the measuring tape (19) extends away radially in an outward direction with its one lateral edge over the center of the degree scale (13). The input of distance and directional angle of an intermediate destination can be determined with a single adjustment with this device which has a compact construction, small dimensioning and large measuring range (FIG. 3).
    • PCT No.PCT / DE86 / 00247 Sec。 371日期:1987年5月5日 102(e)日期1987年5月5日PCT提交1986年6月13日PCT公布。 出版物WO87 / 01442 日期:1987年3月12日。建议一种用于从起点测量道路地图上的目的地的距离和方向的装置,其用于导航装置中的中间目的地的数据输入。 该装置包括具有360度刻度(13)的角度测量板(10),其相对于中心钻孔(14)同心地布置,并且从北方向开始。 支架(11)支撑在中心钻孔(14)上,以便可旋转,并在其端部区域(11b)处承载测量带壳体(12),并在其端部处承载用于测量带(19)的导板(20) 测量带(19c)以相对的端部区域(11c)的方式布置,使得当从卷尺(12)拉出时,卷带(19)沿着向外的方向沿径向向外延伸 边缘在度量表(13)的中心。 中间目的地的距离和方向角的输入可以通过使用该装置的单一调整来确定,该装置具有紧凑的结构,小尺寸和大的测量范围(图3)。