公开(公告)号：EP1783854A1

公开(公告)日：2007-05-09

申请号：EP06023210.5

申请日：2006-11-08

Applicant: NTT DoCoMo Inc.

Inventor： Kawai, Kunihiro ,  Fukuda, Atsushi ,  Okazaki, Hiroshi ,  Narahashi, Shoichi

IPC: H01P1/201 ,  H01P1/203

CPC classification number: H01P1/2039 ,  H01P1/2013 ,  H01P1/20381

Abstract: A variable resonator has a dielectric substrate 2, an input/output line 3 formed on the dielectric substrate 2, a first resonator 4 that has one end connected to the input/output line 3 and the other end grounded, and a second resonator that has one end connected to the input/output line 3 at the point of connection of the one end of the first resonator 4 and the other end grounded via a terminal switch 7. When the terminal switch 7 is turned off, resonance occurs at a frequency at which the sum of the line lengths of the first resonator 4 and the second resonator 6 equals to a quarter of the wavelength. When the terminal switch 7 is turned on, resonance occurs at a frequency at which a half of the sum of the line lengths equals to a quarter of the wavelength.

Abstract translation: 可变谐振器具有电介质基板2，形成在电介质基板2上的输入输出线3，一端连接到输入输出线3而另一端接地的第一谐振器4以及具有 一端在第一谐振器4的一端的连接点处连接到输入/输出线3，另一端经由端子开关7接地。当端子开关7断开时，谐振发生在频率为 其中第一谐振器4和第二谐振器6的线路长度之和等于波长的四分之一。 当端子开关7接通时，谐振发生在线长度之和的一半等于波长四分之一的频率处。

公开(公告)号：EP1733452A2

公开(公告)日：2006-12-20

申请号：EP05744341.8

申请日：2005-04-08

Applicant: Delaware Capital Formation, Inc.

Inventor： BATES, David Allen

IPC: H01P7/10 ,  H01P1/201

CPC classification number: H01P7/10

Abstract: A discrete resonator (1) is provided, including a dielectric base (2) having a dielectric constant. A metal contact (3) formed on a major surface of the dielectric base (2) has a predetermined area and is positioned at a predetermined location on the dielectric base (2) to provide a predetermined loaded Q for the resonator (1). A metal ground coating (4) is formed on the outer surface of the dielectric base (2) with the exception of an isolation region (5) surrounding the metal contact (3) that is free of the metal ground coating. The area of the isolation region (5) is sufficient to prevent significant coupling between the metal contact (3) and the metal ground coating (4). The dielectric constant of the material used for the base, and the width and length of the dielectric base (2) are each selected such that the resonator (1) resonates at least at one predetermined resonant frequency in the GHz frequency range.

公开(公告)号：EP1719201A2

公开(公告)日：2006-11-08

申请号：EP05717648.9

申请日：2005-01-03

Applicant: Thomson Licensing

Inventor： BOISBOUVIER, Nicolas ,  LOUZIR, Ali ,  LE BOLZER, Françoise ,  TAROT, Anne-Claude ,  MAHDJOUBI, Kouroch

IPC: H01P1/201

CPC classification number: H01P1/2005 ,  H01P1/2016

Abstract: The invention relates to a slot-line-type microwave device with a photonic band gap structure (PBG), consisting of at least: a first substrate (10) which is made from a dielectric material having a first permittivity er1, a second substrate (11) which is made form a dielectric material having a second permittivity er2, and a conducting layer (12) which is disposed between the two substrates and in which at least one slot-line (13) is provided. In addition, periodic metal patterns (14, 15) are disposed on the face of the first and second substrates opposite that which is in contact with the conducting layer, facing the slot-line. The invention can be used to produce a compact filter structure.

公开(公告)号：EP1691443A1

公开(公告)日：2006-08-16

申请号：EP06250713.2

申请日：2006-02-09

Applicant: NTT DoCoMo INC.

Inventor： Koizumi, Daisuke, c/o NTT DoCoMo, Inc. ,  Satoh, Kei, c/o NTT DoCoMo, Inc. ,  Narahashi, Shoichi, c/o NTT DoCoMo, Inc.

IPC: H01P1/201 ,  H01P1/213

CPC classification number: H01P1/2013 ,  H01P1/213

Abstract: A coupling structure for coupling to a circuit portion (6) in a coplanar-waveguide circuit (1) having ground conductors (2, 3) at both sides is disclosed. A signal input/output line (4) is provided at the center of the coplanar-waveguide circuit; and an inductive coupling portion (5) having an end of the signal input/output line shortcircuited to one of the ground conductors and facing a part of the circuit portion via a first gap is also provided.

Abstract translation: 公开了一种用于耦合到在两侧具有接地导体（2,3）的共面波导电路（1）中的电路部分（6）的耦合结构。 信号输入/输出线（4）设在共面波导电路的中心; 以及电感耦合部分（5），其具有短路到一个接地导体的信号输入/输出线的端部，并且经由第一间隙面对电路部分的一部分。

公开(公告)号：EP1389353B1

公开(公告)日：2004-11-24

申请号：EP02745389.3

申请日：2002-05-22

Applicant: ERA PATENTS LIMITED

Inventor： SANCHEZ, Francisco Javier Vazquez

IPC: H01P3/00 ,  H01P1/201 ,  H01Q13/10

CPC classification number: H01Q13/106 ,  H01P1/2013 ,  H01P3/003

Abstract: A device for transmitting electromagnetic energy is provided which comprises a conductive sheet (1), the conductive sheet having: a conductor portion (4); at least one ground plane portion; and at least two rows of slots (3) formed in the conductive sheet separating the conductor portion (4) from each ground plane portion, the slots in each row being periodically spaced from one another and adjacent rows of slots being shifted relative to one another. In use the conductor portion transmits electromagnetic waves. The use of a dielectric material is not required, substantially reducing cost and ease of manufacture. Microstrip-like patch radiators can also be implemented from a dielectric-less microstrip by enlarging the central region of the line.

公开(公告)号：EP0933831B1

公开(公告)日：2004-09-29

申请号：EP99101408.5

申请日：1999-01-26

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Tsujiguchi, Tatsuya (A170) Intell., Prop., Dept.

IPC: H01P1/201 ,  H01P1/213

CPC classification number: H01P1/2013 ,  H01P1/2135

公开(公告)号：EP0961337B1

公开(公告)日：2004-08-18

申请号：EP99110304.5

申请日：1999-05-27

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Inventor： Wada, Kouji ,  Awai, Ikuo ,  Ishizaki, Toshio

IPC: H01P1/203 ,  H01P1/201

CPC classification number: H01P1/20381 ,  H01P1/2013

公开(公告)号：EP1286410A2

公开(公告)日：2003-02-26

申请号：EP02016906.6

申请日：2002-07-31

Applicant: TDK Corporation

Inventor： Kundu, Arun Chandra

IPC: H01P1/201

CPC classification number: H01P1/201

Abstract: A highly compact bandpass filter that has excellent mechanical strength is disclosed. A bandpass filter according to the present invention employs a dielectric block of substantially rectangular prismatic shape constituted of a first portion lying between a first cross-section of the dielectric block and a second cross-section of the dielectric block substantially parallel to the first cross-section and second and third portions divided by the first portion and metal plates formed on surfaces of the dielectric block. The first portion of the dielectric block and the metal plates formed thereon are enabled to act as an evanescent waveguide. The second portion of the dielectric block and the metal plates formed thereon are enabled to act as a first resonator. The third portion of the dielectric block and the metal plates formed thereon are enabled to act as a second resonator. The metal plates include an inductive stub formed on the surface of the first portion of the dielectric block.

Abstract translation: 公开了具有优异机械强度的高度紧凑的带通滤波器。 根据本发明的带通滤波器采用基本上为矩形棱柱形状的介质块，该介质块由位于介质块的第一横截面和介质块的第二横截面之间的第一部分构成，介质块的第二横截面基本上平行于第一横截面， 以及由第一部分分开的第二和第三部分以及形成在介质块表面上的金属板。 介质块的第一部分和其上形成的金属板能够用作渐逝波导。 介质块的第二部分和其上形成的金属板能够充当第一谐振器。 介质块的第三部分和其上形成的金属板能够充当第二谐振器。 金属板包括形成在介质块的第一部分的表面上的感应短截线。

公开(公告)号：EP1132993A2

公开(公告)日：2001-09-12

申请号：EP01105154.7

申请日：2001-03-02

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Iio, Kenichi, (A170) Intell. Prop. Dept.

IPC: H01P1/201 ,  H01P1/213 ,  H01P7/00 ,  H01P7/10

CPC classification number: H01P7/08 ,  H01P1/2016 ,  H01P1/2135

Abstract: A resonator, a filter, an oscillator, a duplexer, and a communication apparatus employing these devices have improved efficiency characteristics in confining an electromagnetic field in an opening of an electrode, suppressed current concentration, and minimized conductor loss. Electrode patterns (2' ) are formed near short-circuited positions in a slot (3) so that the slot (3) will be divided into smaller-width slot lines. Consequently, the efficiency in confining the electromagnetic field is improved, and conductor loss is minimized. In another embodiment, an opening (6) is defined within an electrode, and a plurality of electrode patterns (2') extend radially inwards from a periphery of the opening.

Abstract translation: 使用这些器件的谐振器，滤波器，振荡器，双工器和通信设备在将电磁场限制在电极的开口中，抑制电流集中并且使导体损耗最小化方面具有改善的效率特性。 电极图案（2'）形成在槽（3）中的短路位置附近，使得槽（3）将被分成较小宽度的槽线。 因此，限制电磁场的效率得到改善，并且导体损失被最小化。 在另一个实施例中，开口（6）被限定在电极内，并且多个电极图案（2'）从开口的周边径向向内延伸。

公开(公告)号：EP1044572A1

公开(公告)日：2000-10-18

申请号：EP98965346.4

申请日：1998-12-22

Applicant: Telefonaktiebolaget L M Ericsson (Publ)

Inventor： GUSTAFSSON, Kjell, Berthold ,  LINDQUIST, Björn, Gunnar, Martin

IPC: H04Q7/20 ,  H01P1/201

CPC classification number: H04W88/06 ,  H04B1/005 ,  H04B1/0057 ,  H04B1/006 ,  H04B1/406

Abstract: The present invention relates to an arrangement (1) and a method in a receiver in a multi-mode mobile ratio (m), wherein the intention is to design the receiver so that it uses the same hardware to process several different channel bandwidths corresponding to the different networks used by the radio (m). This is done by changing a sampling frequency (fs) which controls a digital filter unit (25) situated in the digital part of the receiver. The changing of the sampling frequency (fs) results in that the bandwidth of the digital filter unit (25) is scaled accordingly, wherein the desired channel bandwidth at baseband of the radio network (GSM1900, AMPS) to be used by the radio (m) is selected in the digital filter unit (25). As a complement, the digital filter unit (25) can be implemented with a programmable function, where a change of parameters and/or filter structure inside the digital filter unit (25) can be used to adjust the filter bandwidth.