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    • 4. 发明申请
    • Bandpass filter and wireless communications equipment using same
    • 带通滤波器和无线通信设备使用相同
    • US20060255886A1
    • 2006-11-16
    • US11413952
    • 2006-04-28
    • Hiroshi NinomiyaKatsurou Nakamata
    • Hiroshi NinomiyaKatsurou Nakamata
    • H01P1/203
    • H01P1/20345
    • Disclosed is a bandpass filter comprising a first resonator 1 to a sixth resonator 6 having lengths of basically ¼ wavelength, an input section IN connected to an ungrounded end of the first resonator, and an output section OUT connected to an ungrounded end of the sixth resonator, wherein the second to fifth resonators 2-5 are electromagnetically coupled with each other, the second and the third resonators are respectively coupled to the first resonator via the first and the second capacitances C1,C2, the third and the fourth resonators are respectively coupled to the sixth resonator via the third and the fourth capacitances C3,C4, and the input section IN and output section OUT are coupled to the first resonator and sixth resonator through an input and output capacitances C5, C6, respectively. This bandpass filter can be a small size, low loss filter suitable for UWB (Ultra Wide Band).
    • 公开了一种带通滤波器,包括具有基本上1/4波长的长度的第一谐振器1至第六谐振器6,连接到第一谐振器的未接地端的输入部分IN和连接到第六谐振器的未接地端的输出部分OUT ,其中第二至第五谐振器2-5彼此电磁耦合,第二和第三谐振器经由第一和第二电容C 1,C 2分别耦合到第一谐振器,第三和第四谐振器是 分别经由第三和第四电容C 3,C 4耦合到第六谐振器,并且输入部分IN和输出部分OUT分别通过输入和输出电容C 5,C 6耦合到第一谐振器和第六谐振器 。 该带通滤波器可以是适合UWB(超宽带)的小尺寸,低损耗滤波器。
    • 9. 发明申请
    • BANDPASS FILTER AND RADIO COMMUNICATION MODULE AND RADIO COMMUNICATION DEVICE USING THE SAME
    • BANDPASS滤波器和无线电通信模块和无线电通信设备
    • US20110080235A1
    • 2011-04-07
    • US12995172
    • 2009-05-28
    • Hiroshi NinomiyaHiromichi Yoshikawa
    • Hiroshi NinomiyaHiromichi Yoshikawa
    • H01P1/203
    • H01P1/20345H01P1/2135
    • Provided are a bandpass filter and a radio communication module and a radio communication device using the same. The bandpass filter includes: a first and a second grounding electrode arranged on the upper and the lower surface of a layered body; first resonance electrodes and second resonance electrodes arranged to orthogonally intersect the first resonance electrodes; a first input coupling electrode opposing to the first resonance electrode of the input stage and a second input coupling electrode connected thereto and opposing to the second resonance electrode of the input stage; a first output coupling electrode opposing to the first resonance electrode of the output stage and a second output coupling electrode connected thereto and opposing to the second resonance electrode of the output stage.
    • 提供一种带通滤波器和无线通信模块以及使用该无线通信模块的无线通信装置。 带通滤波器包括:布置在层叠体的上表面和下表面上的第一和第二接地电极; 第一谐振电极和布置成与第一谐振电极正交相交的第二谐振电极; 与输入级的第一谐振电极相对的第一输入耦合电极和与其相连并与输入级的第二谐振电极相对的第二输入耦合电极; 与输出级的第一谐振电极相对的第一输出耦合电极和与其连接并与输出级的第二谐振电极相对的第二输出耦合电极。