会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 29. 发明公开
    • CIRCUIT BOARD HAVING A PERIPHERAL ANTENNA APPARATUS WITH SELECTABLE ANTENNA ELEMENTS
    • LEITERPLATTE MIT EINER PERIPHERIEANTENNENVORRICHTUNG MITWÄHLBARENANTENNENELEMENTEN
    • EP1817818A4
    • 2009-07-22
    • EP05776697
    • 2005-07-29
    • RUCKUS WIRELESS INC
    • SHTROM VICTORMILTON DARINKISH WILLIAM
    • H01Q9/28
    • H01Q25/00H01Q1/38H01Q3/24H01Q9/04H01Q9/16H01Q9/28H01Q9/285H01Q21/20H01Q21/29H05K1/16
    • A circuit board for wireless communications includes communication circuitry for modulating and/or demodulating a radio frequency (RF) signal and an antenna apparatus for transmitting and receiving the RF signal, the antenna apparatus having selectable antenna elements located near one or more peripheries of the circuit board. A first antenna element produces a first directional radiation pattern; a second antenna element produces a second directional radiation pattern offset from the first radiation pattern. The antenna elements may include one or more reflectors configured to provide gain and broaden the frequency response of the antenna element. A switching network couples one or more of the selectable elements to the communication circuitry and provides impedance matching regardless of which or how many of the antenna elements are selected. Selecting different combinations of antenna elements results in a configurable radiation pattern; alternatively, selecting several elements may result in an omnidirectional radiation pattern.
    • 用于无线通信的电路板包括用于调制和/或解调射频(RF)信号的通信电路和用于发送和接收RF信号的天线装置,天线装置具有位于电路的一个或多个周边附近的可选天线元件 板。 第一天线元件产生第一定向辐射图; 第二天线元件产生偏离第一辐射图案的第二定向辐射图。 天线元件可以包括被配置为提供增益并扩大天线元件的频率响应的一个或多个反射器。 交换网络将一个或多个可选择元件耦合到通信电路,并且提供阻抗匹配,而不管天线元件中哪一个或多少个被选择。 选择天线元件的不同组合导致可配置的辐射图; 或者,选择若干元件可能导致全向辐射图。