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    • 13. 发明授权
    • Plane antenna
    • 平面天线
    • US4994820A
    • 1991-02-19
    • US446841
    • 1989-12-06
    • Hidetaka SuzukiHarumi OkazakiMotoki Hirano
    • Hidetaka SuzukiHarumi OkazakiMotoki Hirano
    • H01Q13/08H01Q1/32H01Q9/04H01Q9/40H01Q13/18
    • H01Q9/0414H01Q1/3275H01Q9/40
    • A plane antenna comprising first and second plates made of a synthetic resin. The first plate has a first metal film formed thereon and the second plate has a second metal film formed thereon. A plurality of pins extend between the first and second plates for maintaining the first and second plates in spaced-parallel relation to each other with the first and second films facing to each other. The pins include at least one first pin for providing an electric connection between the first and second metal films and a second pin insulated from the second metal film for providing an electric connection of the first metal film to a lead wire. The first and second metal films have a spacific resistance .rho. [m] and a permeability .mu. [H/m]. The first and second metal films have a thickness greater than a value t [m] calculated from an equation as follows: ##EQU1## where f is a signal frequency [Hz] for which the plane antenna is used.
    • 一种平面天线,包括由合成树脂制成的第一和第二板。 第一板具有形成在其上的第一金属膜,第二板具有形成在其上的第二金属膜。 多个销在第一和第二板之间延伸,用于将第一和第二板彼此间隔开平行,以使第一和第二膜彼此面对。 销包括至少一个用于在第一和第二金属膜之间提供电连接的第一引脚和与第二金属膜绝缘的第二引脚,用于提供第一金属膜与引线的电连接。 第一和第二金属膜具有空间电阻rho [m]和磁导率μ[H / m]。 第一和第二金属膜的厚度大于从以下等式计算的值t [m]:其中f是使用平面天线的信号频率[Hz]。
    • 20. 发明授权
    • Road map displaying system for automotive vehicle
    • 汽车道路图显示系统
    • US5289184A
    • 1994-02-22
    • US836905
    • 1992-02-19
    • Hidetaka Suzuki
    • Hidetaka Suzuki
    • G01C21/00G08G1/0969G08G1/133G09B29/10G08G1/09
    • G08G1/0969G08G1/133
    • A road map displaying system for an automotive vehicle for displaying road information transmitted by a radio beacon transmitter (1) on a display unit (6) of an automotive vehicle comprises: a radio receiver (3) for receiving road information including position data and traffic snarl data transmitted by the radio beacon transmitter; a memory unit (4) for storing various road maps; and a processing unit (5) for selecting a current road map on the basis of the received position data, displaying traffic snarl information on the selected road map on the basis of the received traffic snarl data, measuring time elapsed after the road information has been received, and in particular, deleting the traffic snarl information displayed on the selected road map, when a predetermined timer or distance-related condition is satisfied after the road information has been received. Since the old traffic snarl information can be deleted, a more reliable traffic information can be provided to the driver, without confusing the driver with the old road information.
    • 一种用于在汽车的显示单元(6)上显示由无线电信标发射机(1)发送的道路信息的机动车辆的路线图显示系统,包括:无线电接收机(3),用于接收包括位置数据和业务的道路信息 由无线电信标发射机发送的咆哮数据; 存储单元(4),用于存储各种路线图; 以及处理单元(5),用于基于所接收的位置数据选择当前的道路图,基于接收的交通咆哮数据显示所选路线图上的交通咆哮信息,测量道路信息已经过去的时间 并且特别地,当在接收到道路信息之后满足预定的定时器或距离相关条件时,删除显示在所选择的路线图上的交通咆哮信息。 由于可以删除旧的交通咆哮信息,所以可以向驾驶员提供更可靠的交通信息,而不会使驾驶员与旧的道路信息混淆。