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    • 4. 发明申请
    • Antenna device for vehicle
    • 车载天线装置
    • US20090231219A1
    • 2009-09-17
    • US12381751
    • 2009-03-16
    • Yuzi SugimotoMitsuru Fujita
    • Yuzi SugimotoMitsuru Fujita
    • H01Q1/32H01Q1/36H01Q21/06
    • H01Q1/38H01Q1/3266H01Q1/42H01Q3/36H01Q9/42H01Q21/24
    • In an antenna device, first and second vertically-polarized antennas are disposed at respective horizontal end portions of a substrate. A first ground pattern functioning as a ground plane of the first antenna and a second ground pattern function as a ground plane of the second antenna are disposed on the substrate. An intermediate pattern is located between the first ground pattern and the second ground pattern and functions as a horizontally-polarized non-feed element for the first antenna and the second antenna. The phase control part controls a phase difference between a signal of the first antenna and a signal of the second antenna by changing at least one of a phase of the signal of the first antenna and a phase of the signal of the second antenna. The combining portion combines the signals after the phase control part controls the phase deference.
    • 在天线装置中,第一和第二垂直极化天线设置在基板的各个水平端部。 用作第一天线的接地面的第一接地图案​​和作为第二天线的接地面的第二接地图形功能设置在基板上。 中间图案位于第一接地图案​​和第二接地图案之间,并且用作第一天线和第二天线的水平偏振非馈送元件。 相位控制部通过改变第一天线的信号的相位和第二天线的信号的相位中的至少一个来控​​制第一天线的信号与第二天线的信号之间的相位差。 组合部分组合相位控制部分控制相位偏差之后的信号。
    • 7. 发明授权
    • Location detection apparatus
    • 位置检测装置
    • US08045182B2
    • 2011-10-25
    • US12461480
    • 2009-08-13
    • Toshiki IsogaiHisanaga MatsuokaMitsuyasu MatsuuraMitsuru FujitaMotoi Oda
    • Toshiki IsogaiHisanaga MatsuokaMitsuyasu MatsuuraMitsuru FujitaMotoi Oda
    • G01B11/14
    • G01C15/002G01S7/4811G01S7/4813G01S7/4817G01S17/42
    • A location detection apparatus is disclosed that includes: a light source; a light output side reflector having a reflecting surface for reflecting light from the light source to a space; a rotation mechanism for rotating the light output side reflector; a first light receiving element for receiving the light reflected from an object existing in the space; a light reception side reflector for reflecting the light from the object to the first light receiving element; a second light receiving element for receiving the light from the light output side reflector; a light conductor for conducting the light reflected from or transmitted through the reflecting surface toward the second light receiving element when the light output side reflector is in a predetermined position; and a rotational position detector that detects rotational position of the light output side reflector based on a detection result of the second light receiving element.
    • 公开了一种位置检测装置,包括:光源; 光输出侧反射器,具有用于将来自光源的光反射到空间的反射面; 用于旋转光输出侧反射器的旋转机构; 第一光接收元件,用于接收从存在于该空间中的物体反射的光; 光接收侧反射器,用于将来自物体的光反射到第一光接收元件; 第二光接收元件,用于接收来自光输出侧反射器的光; 光导体,用于当所述光输出侧反射器处于预定位置时,将从所述反射表面反射或透射的光朝向所述第二光接收元件传导; 以及旋转位置检测器,其基于第二光接收元件的检测结果来检测光输出侧反射器的旋转位置。
    • 8. 发明申请
    • ANTENNA APPARATUS FOR RADIO COMMUNICATION
    • 无线电通信天线装置
    • US20090079637A1
    • 2009-03-26
    • US12210513
    • 2008-09-15
    • Shinji FukuiMitsuru Fujita
    • Shinji FukuiMitsuru Fujita
    • H01Q1/38
    • H01Q1/241H01Q11/04H01Q15/008H01Q21/068
    • An antenna apparatus has a ground plane and a traveling-wave linear antenna The ground plane has a dielectric layer and metallic plates disposed on the dielectric layer. The plates placed on a front side of the ground plane act as a band gap surface. The dielectric constant and thickness of the dielectric layer, the number of plates and the width of spaces among the plates are adjusted, so that the band gap surface prevents propagation of electromagnetic waves within a specific frequency band. The antenna is disposed over the band gap surface on the front side of the ground plane to be spaced away from the band gap surface. The antenna radiates electromagnetic waves of an operational frequency within the specific frequency band in response to an alternating current of the operational frequency fed to the linear antenna.
    • 天线装置具有接地平面和行波线性天线。接地平面具有布置在电介质层上的电介质层和金属板。 放置在接地平面前侧的板作为带隙表面。 电介质层的介电常数和厚度,板的数量和板之间的空间宽度被调整,使得带隙表面防止电磁波在特定频带内的传播。 天线设置在接地平面的前侧上的带隙表面之上,以与带隙表面间隔开。 天线响应于馈送到线性天线的工作频率的交流电流,在特定频带内辐射工作频率的电磁波。
    • 10. 发明授权
    • Antenna apparatus
    • 天线装置
    • US08242970B2
    • 2012-08-14
    • US12462415
    • 2009-08-04
    • Shinji FukuiMitsuru Fujita
    • Shinji FukuiMitsuru Fujita
    • H01Q15/02H01Q9/38H01Q1/38
    • H01Q9/42H01Q1/38H01Q15/008
    • An antenna apparatus is disclosed. The antenna apparatus includes a board and a line antenna. The board includes: a base part having dielectric layers and a conductive layer disposed between the dielectric layers; multiple metal plates arranged on one surface of the base part while being spaced apart at even intervals so as to provide a band-gap surface; and a connection part via which the conductive layer is electrically connectable with the multiple metal plates. The line antenna is located on a band-gap surface side of the board, is arranged along the band gap surface, and is configured to receive and transmit the electromagnetic wave within an operating frequency band. The connection part includes a first adjustment circuit that is configured to individually adjust an impedance between the conductive layer and each of the plurality of metal plates.
    • 公开了一种天线装置。 天线装置包括板和线天线。 该电路板包括:具有电介质层的基底部分和设置在电介质层之间的导电层; 多个金属板布置在基部的一个表面上,同时以均匀间隔间隔开,以便提供带隙表面; 以及连接部,通过该连接部,导电层可与多个金属板电连接。 线天线位于板的带隙表面侧,沿着带隙表面布置,并且被配置为在工作频带内接收和发送电磁波。 连接部分包括第一调整电路,其被配置为单独地调节导电层和多个金属板中的每一个之间的阻抗。