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    • 1. 发明申请
    • SELECTIVE FILTER, IN PARTICULAR FOR USE IN A SYSTEM FOR DISTRIBUTING TELEVISION SIGNALS WITHIN A BUILDING
    • 选择性过滤器,特别适用于建筑物中分配电视信号的系统
    • WO2011061703A1
    • 2011-05-26
    • PCT/IB2010/055259
    • 2010-11-18
    • FRACARRO RADIOINDUSTRIE S.p.A.MARCONCIN, AntonioRIGHETTO, Luigino
    • MARCONCIN, AntonioRIGHETTO, Luigino
    • H04H20/63H03D7/16H04B1/26
    • H04H20/63
    • Method for distributing data signals within a building comprising the steps of : - receiving data signals, each transmitted on a carrier; frequency- converting the received data signals using a first plurality of oscillators with a first plurality of oscillation frequencies; - filtering the data signals frequency- converted by the first plurality of oscillators through a first plurality of band-pass filters; - frequency- converting the outputs of the first plurality of band-pass filters using a second plurality of oscillators with a second plurality of oscillation frequencies; filtering the data signals frequency- converted by the second plurality of oscillators through a second plurality of band-pass filters, wherein one of said first and said second plurality of oscillation frequencies is controlled to select one or more of said data signals; - amplifying the outputs of the second plurality of band-pass filters a plurality of variable-gain amplifiers; - distributing the amplified data signals.
    • 一种用于在建筑物内分配数据信号的方法,包括以下步骤: - 接收在载波上发送的数据信号; 使用具有第一多个振荡频率的第一多个振荡器对接收到的数据信号进行频率转换; - 通过第一多个带通滤波器对由第一多个振荡器进行频率转换的数据信号进行滤波; - 使用具有第二多个振荡频率的第二多个振荡器对所述第一多个带通滤波器的输出进行频率转换; 通过第二多个带通滤波器对由第二多个振荡器频率转换的数据信号进行滤波,其中控制所述第一和第二多个振荡频率中的一个以选择一个或多个所述数据信号; - 将所述第二多个带通滤波器的输出放大多个可变增益放大器; - 分配放大的数据信号。
    • 3. 发明申请
    • AERIAL
    • 天线
    • WO2009153640A1
    • 2009-12-23
    • PCT/IB2009/005885
    • 2009-06-09
    • FRACARRO RADIOINDUSTRIE S.P.A.BARBIRATO, WalterRIGHETTO, Luigino
    • BARBIRATO, WalterRIGHETTO, Luigino
    • H01Q19/30
    • H01Q19/30
    • The invention relates to an aerial (1) for receiving and transmitting radio signals within a certain frequency band. The aerial (1) comprises a radiator element (3) which can radiate a linearly polarized radio signal within the operating band of the aerial. The latter also comprises a support element (2) and at least one first director element (4) mounted on said support element. The director element comprises a body which is conductive within the operating band of the aerial. The shape of said body is such that the projection thereof onto a plane orthogonal to the direction of maximum gain of the aerial encloses a limited plane portion.
    • 本发明涉及一种用于在一定频带内接收和发射无线电信号的天线(1)。 天线(1)包括可在天线的工作频带内辐射线偏振的无线电信号的散热器元件(3)。 后者还包括支撑元件(2)和安装在所述支撑元件上的至少一个第一引导元件(4)。 导向元件包括在天线的工作频带内导电的主体。 所述主体的形状使得其在与天线的最大增益方向正交的平面上的投影包围有限的平面部分。