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    • 1. 发明授权
    • Portable terminal device with chip antenna
    • 带芯片天线的便携式终端设备
    • US06342858B1
    • 2002-01-29
    • US09575424
    • 2000-05-22
    • Yujiro DakeyaHarufumi MandaiKunihiro WatanabeTeruhisa Tsuru
    • Yujiro DakeyaHarufumi MandaiKunihiro WatanabeTeruhisa Tsuru
    • H01Q124
    • H01Q1/2283H01Q1/22H01Q1/36H01Q1/38
    • A portable terminal device including a main body including a data entry keyboard; a cover openably and closably attached to the main body and establishing a connecting portion between the main body and the cover; a display disposed on the inner side of the cover; a chip antenna disposed on the cover at a place other than the display and opposed to the connecting portion; the chip antenna including a ceramic base body, a conductor disposed at least either inside the base body or on a surface thereof, and a feeding terminal disposed on a surface of the base body and connected to one end of the conductor. The above portable terminal device has the directivity of an antenna in a desired direction without increasing the size and weight of the portable terminal device and without having a bulky and/or separate and/or protruding antenna device.
    • 一种便携式终端装置,包括:包括数据输入键盘的主体; 一个可开启和闭合地连接到主体上的盖子,并在主体和盖子之间建立连接部分; 显示器,其设置在所述盖的内侧; 芯片天线,其设置在所述盖子的除了所述显示器之外并与所述连接部分相对的位置; 所述芯片天线包括陶瓷基体,至少设置在所述基体内或其表面上的导体以及设置在所述基体的表面上并连接到所述导体的一端的馈电端子。 上述便携式终端装置在不增加便携式终端装置的尺寸和重量的情况下具有期望方向的天线的方向性,并且不具有笨重和/或分离和/或突出的天线装置。
    • 5. 发明授权
    • Radio communication equipment
    • 无线电通信设备
    • US5797084A
    • 1998-08-18
    • US664139
    • 1996-06-14
    • Teruhisa TsuruHarufumi MandaiKoji ShirokiKenji Asakura
    • Teruhisa TsuruHarufumi MandaiKoji ShirokiKenji Asakura
    • H01Q1/24H01Q1/36H01Q1/38H04B1/38H04B1/50H01Q9/00
    • H01Q1/243H01Q1/362H01Q1/38H04B1/50
    • A small radio communication unit which requires no antenna adjustment is provided by using small chip antennas whose gain is not degraded and which have a wide bandwidth. The inventive radio communication unit comprises a first chip antenna contained within the unit and having a first frequency characteristic; a first filter connected to the first antenna and having a pass bandwidth for passing a received signal; a receiving circuit connected to an output end of the first antenna; a receiving PLL circuit for outputting a local oscillation signal; a second chip antenna contained within the unit and having a second frequency characteristic; a second filter connected to the second antenna and having a pass bandwidth for passing a transmitted signal; a transmitting circuit connected to an input end of the second filter and comprising a transmitting carrier oscillation and modulating circuit, a transmission amplifier circuit and an isolator; a control circuit for controlling operations of the receiving circuit and the transmitting circuit; and a modulating signal input terminal to which a modulating signal is applied.
    • 通过使用增益不降低且宽带宽的小芯片天线,提供不需要天线调整的小型无线电通信单元。 本发明的无线电通信单元包括包含在该单元内并具有第一频率特性的第一芯片天线; 连接到第一天线的第一滤波器并具有用于传递接收信号的通带宽度; 连接到第一天线的输出端的接收电路; 用于输出本地振荡信号的接收PLL电路; 包含在所述单元内并具有第二频率特性的第二芯片天线; 连接到第二天线的第二滤波器,具有用于传递发射信号的通带宽度; 连接到第二滤波器的输入端的发送电路,包括发送载波振荡和调制电路,发送放大器电路和隔离器; 用于控制接收电路和发送电路的操作的控制电路; 以及施加调制信号的调制信号输入端子。
    • 6. 发明授权
    • Chip antenna
    • 芯片天线
    • US5764197A
    • 1998-06-09
    • US667978
    • 1996-06-19
    • Teruhisa TsuruHarufumi MandaiKoji ShirokiKenji Asakura
    • Teruhisa TsuruHarufumi MandaiKoji ShirokiKenji Asakura
    • H01Q1/36H01Q1/38H01Q1/24
    • H01Q1/362H01Q1/38
    • A chip antenna which provides a high gain and large band width and which makes it possible to achieve a reduction in the size of the chip antenna. The chip antenna has a dielectric base which is formed as a rectangular parallelepiped containing a spirally wound conductor whose winding axis is perpendicular to the longitudinal dimension of the dielectric base and parallel to the mounting surface. The configuration of the winding cross section S, which is perpendicular to the winding axis of the conductor, is a rectangle whose longitudinal vertical dimension is H and whose horizontal dimension is W. One end of the conductor is led out to the surface of the dielectric base to form a feeding end that is connected to a feeding terminal for applying a signal to the conductor, and the other end thereof forms a free end within the dielectric base.
    • 提供高增益和大带宽的芯片天线,并且可以实现芯片天线的尺寸的减小。 芯片天线具有电介质基底,其形成为包含螺旋卷绕导体的长方体,其缠绕轴垂直于电介质基底的纵向尺寸并平行于安装表面。 与导体的卷绕轴垂直的绕组横截面S的构造是纵向垂直尺寸为H并且水平尺寸为W的矩形。导体的一端被引出到电介质的表面 形成馈电端,该馈电端连接到用于向导体施加信号的馈电端子,并且其另一端在电介质基底内形成自由端。