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    Ring resonator oscillator usable in frequency synthesizers and communication apparatus
    3.
    发明授权
    Ring resonator oscillator usable in frequency synthesizers and communication apparatus 失效
    环形振荡器可用于频率合成器和通信设备

    公开(公告)号：US5587690A

    公开(公告)日：1996-12-24

    申请号：US509663

    申请日：1995-07-31

    申请人： Hiroyuki Yabuki ,  Morikazu Sagawa ,  Mitsuo Makimoto

    发明人： Hiroyuki Yabuki ,  Morikazu Sagawa ,  Mitsuo Makimoto

    IPC分类号： H01P7/08 ,  H03B1/00 ,  H03B5/18 ,  H03B7/12 ,  H03B7/14 ,  H03D7/16 ,  H03L7/099 ,  H03L7/10 ,  H30L7/099

    CPC分类号： H01P7/088 ,  H03B5/1852 ,  H03B7/12 ,  H03L7/099 ,  H03B2200/0016 ,  H03B2200/0034 ,  H03B2200/0048 ,  H03B2201/0208 ,  H03B2201/0225 ,  H03B7/14 ,  H03D7/161 ,  H03L7/10

    摘要： A first oscillator includes: a ring resonator; an oscillation circuit having a negative resistance active circuit coupled to a first point on the ring resonator for oscillating at an oscillation frequency and resonating the resonator; an output terminal, coupled to a second point on the ring resonator where a voltage is substantially zero with respect to the predetermined frequency when the ring resonator resonates, for outputting a resonant frequency signal, wherein even order harmonic components are outputted with the fundamental component suppressed. A second oscillator includes a ring resonator having points A to D equidistantly dividing the ring resonator, first and second oscillation circuits coupled to the points A and B respectively, first and second grounding capacitors having capacitance equivalent to those of the first and second oscillation circuits. Thus, two independent oscillators which do not affect each other are provided with a single resonator. In the first and second oscillators, grounding capacitors, a resonant capacitor may be provided to miniaturize the oscillator. Variable capacitances may be provided to prevent the point from moving with a change in the controlled oscillation frequency. Frequency synthesizers and communication apparatus including the first or second oscillator are also disclosed.

    摘要翻译： 第一振荡器包括：环形谐振器; 振荡电路，其具有耦合到所述环形谐振器上的第一点的负电阻有源电路，以振荡频率振荡并谐振谐振器; 输出端子，耦合到环形谐振器上的第二点，其中当环形谐振器谐振时相对于预定频率的电压基本上为零，用于输出谐振频率信号，其中偶数次谐波分量被抑制成基本分量 。 第二振荡器包括环形谐振器，其具有等距分割环形谐振器的点A至D，分别耦合到点A和B的第一和第二振荡电路，第一和第二接地电容器具有与第一和第二振荡电路相同的电容。 因此，没有彼此影响的两个独立振荡器设置有单个谐振器。 在第一和第二振荡器中，可以提供接地电容器，谐振电容器以使振荡器小型化。 可以提供可变电容以防止点随着受控振荡频率的变化而移动。 还公开了包括第一或第二振荡器的频率合成器和通信装置。

    Frequency divider circuits
    5.
    发明授权
    Frequency divider circuits 失效
    分频器电路

    公开(公告)号：US4638180A

    公开(公告)日：1987-01-20

    申请号：US709288

    申请日：1985-03-07

    申请人： Morikazu Sagawa ,  Yoshikazu Mori ,  Motoi Ohba ,  Mitsuo Makimoto ,  Sadahiko Yamashita

    发明人： Morikazu Sagawa ,  Yoshikazu Mori ,  Motoi Ohba ,  Mitsuo Makimoto ,  Sadahiko Yamashita

    IPC分类号： H03B19/18 ,  H03B19/00

    CPC分类号： H03B19/18

    摘要： A wide band analog frequency divider circuit operable at a high frequency in the GHz band. The analog frequency divider circuit comprises an LC series circuit having a capacitor and an inductor connected between the anode and the cathode of a diode, and means for applying a forward bias to the diode. The input signal is supplied from the anode side of the diode, and the output is delivered from the cathode side, or the anode side if the cathode is grounded.

    摘要翻译： 宽带模拟分频器电路可在GHz频段的高频工作。 模拟分频器电路包括具有连接在二极管的阳极和阴极之间的电容器和电感器的LC串联电路，以及用于向二极管施加正向偏压的装置。 输入信号从二极管的阳极侧提供，如果阴极接地，则从阴极侧或阳极侧输出输出信号。

    Strip-line resonator
    6.
    发明授权
    Strip-line resonator 失效
    带状线谐振器

    公开(公告)号：US4583064A

    公开(公告)日：1986-04-15

    申请号：US646430

    申请日：1984-08-31

    申请人： Mitsuo Makimoto ,  Morikazu Sagawa ,  Sadahiko Yamashita ,  Yoshihiko Takayama

    发明人： Mitsuo Makimoto ,  Morikazu Sagawa ,  Sadahiko Yamashita ,  Yoshihiko Takayama

    IPC分类号： H01P7/08

    CPC分类号： H01P7/084

    摘要： A strip-line resonator comprises a first dielectric substrate having a conductive film on one surface thereof for connection to ground and a strip line on the other surface thereof and a second dielectric substrate having one surface thereof making contact with the strip line and a conductive film on the other surface thereof for connection to ground. Fused glass having a low melting point for is applied between the first and second substrates to bond them together. A portion of open-circuit end of the strip line is exposed and formed with slits or gap to facilitate frequency adjustment.

    摘要翻译： 带状线谐振器包括在其一个表面上具有用于连接到地的导电膜和在其另一个表面上的带状线的第一电介质基片和具有与带状线接触的一个表面的第二电介质基片和导电膜 在另一个表面上连接到地面。 在第一和第二基板之间施加具有低熔点的熔融玻璃以将它们结合在一起。 带状线的开路端的一部分被暴露并形成有狭缝或间隙以便于频率调节。

    Transmission line resonator, bandpass filter using transmission line resonator, multiplexer, balanced-to-unbalanced transformer, power divider, unbalanced-to-balanced transformer, frequency mixer, and balance-type filter
    7.
    发明授权
    Transmission line resonator, bandpass filter using transmission line resonator, multiplexer, balanced-to-unbalanced transformer, power divider, unbalanced-to-balanced transformer, frequency mixer, and balance-type filter 有权
    传输线谐振器，使用传输线谐振器的带通滤波器，多路复用器，平衡不平衡变压器，功率分配器，不平衡平衡变压器，混频器和平衡型滤波器

    公开(公告)号：US09270008B2

    公开(公告)日：2016-02-23

    申请号：US13982219

    申请日：2012-01-27

    申请人： Koji Wada ,  Morikazu Sagawa ,  Mitsuo Makimoto

    发明人： Koji Wada ,  Morikazu Sagawa ,  Mitsuo Makimoto

    IPC分类号： H01P7/08 ,  H01P1/203 ,  H01P5/10 ,  H01P5/12 ,  H03D9/06 ,  H03H7/42

    CPC分类号： H01P7/08 ,  H01P1/203 ,  H01P1/20381 ,  H01P5/10 ,  H01P5/12 ,  H01P7/082 ,  H03D9/0633 ,  H03H7/42

    摘要： A transmission line resonator includes a half-wavelength stepped-impedance resonator with two ends short-circuited to ground, and a capacitive element with one end connected to a center portion of the stepped-impedance resonator and the other end short-circuited to ground. The stepped-impedance resonator includes a first transmission line, a second transmission line, and a third transmission line. The second transmission line has a second line impedance and a second line length, with one end being connected to one end of the first transmission line and the other end being short-circuited to ground. The third transmission line has the second line impedance and the second line length, with one end being connected to the other end of the first transmission line and the other end being short-circuited to ground. The first line impedance is lowered in comparison with the second line impedance.

    摘要翻译： 传输线谐振器包括具有两端短路接地的半波长阶梯型阻抗谐振器，以及电容元件，其一端连接到阶梯型阻抗谐振器的中心部分，另一端短路接地。 阶梯式阻抗谐振器包括第一传输线，第二传输线和第三传输线。 第二传输线具有第二线阻抗和第二线路长度，其一端连接到第一传输线的一端，另一端与地短路。 第三传输线具有第二线阻抗和第二线路长度，其一端连接到第一传输线的另一端并且另一端被短路到地。 与第二线路阻抗相比，第一线路阻抗降低。

    TRANSMISSION LINE RESONATOR, BANDPASS FILTER USING TRANSMISSION LINE RESONATOR, SPLITTER, BALANCED-TO-UNBALANCED TRANSFORMER, POWER DISTRIBUTOR, UNBALANCED-TO-BALANCED TRANSFORMER, FREQUENCY MIXER, AND BALANCE-TYPE FILTER
    8.
    发明申请
    TRANSMISSION LINE RESONATOR, BANDPASS FILTER USING TRANSMISSION LINE RESONATOR, SPLITTER, BALANCED-TO-UNBALANCED TRANSFORMER, POWER DISTRIBUTOR, UNBALANCED-TO-BALANCED TRANSFORMER, FREQUENCY MIXER, AND BALANCE-TYPE FILTER 有权
    传输线谐振器，使用传输线谐振器，分路器，平衡到非平衡变压器，功率分配器，不平衡平衡变压器，频率混频器和平衡型滤波器的BDPDS滤波器

    公开(公告)号：US20130307640A1

    公开(公告)日：2013-11-21

    申请号：US13982219

    申请日：2012-01-27

    申请人： Koji Wada ,  Morikazu Sagawa ,  Mitsuo Makimoto

    发明人： Koji Wada ,  Morikazu Sagawa ,  Mitsuo Makimoto

    IPC分类号： H01P7/08 ,  H01P1/203 ,  H03H7/42

    CPC分类号： H01P7/08 ,  H01P1/203 ,  H01P1/20381 ,  H01P5/10 ,  H01P5/12 ,  H01P7/082 ,  H03D9/0633 ,  H03H7/42

    摘要： A transmission line resonator includes a half-wavelength stepped-impedance resonator with two ends short-circuited to ground, and a capacitive element with one end connected to a center portion of the stepped-impedance resonator and the other end short-circuited to ground. The stepped-impedance resonator includes a first transmission line, a second transmission line, and a third transmission line. The second transmission line has a second line impedance and a second line length, with one end being connected to one end of the first transmission line and the other end being short-circuited to ground. The third transmission line has the second line impedance and the second line length, with one end being connected to the other end of the first transmission line and the other end being short-circuited to ground. The first line impedance is lowered in comparison with the second line impedance.

    摘要翻译： 传输线谐振器包括具有两端短路接地的半波长阶梯型阻抗谐振器，以及电容元件，其一端连接到阶梯型阻抗谐振器的中心部分，另一端短路接地。 阶梯式阻抗谐振器包括第一传输线，第二传输线和第三传输线。 第二传输线具有第二线阻抗和第二线路长度，其一端连接到第一传输线的一端，另一端与地短路。 第三传输线具有第二线阻抗和第二线路长度，其一端连接到第一传输线的另一端并且另一端被短路到地。 与第二线路阻抗相比，第一线路阻抗降低。

    Plane type strip-line filter in which strip line is shortened and mode resonator in which two types microwaves are independently resonated
    9.
    发明授权
    Plane type strip-line filter in which strip line is shortened and mode resonator in which two types microwaves are independently resonated 有权
    平面型带状滤波器，其中带状线被缩短，双模谐振器，其中两种类型的微波被独立谐振

    公开(公告)号：US06201458B1

    公开(公告)日：2001-03-13

    申请号：US09262645

    申请日：1999-03-04

    申请人： Michiaki Matsuo ,  Morikazu Sagawa ,  Mitsuo Makimoto

    发明人： Michiaki Matsuo ,  Morikazu Sagawa ,  Mitsuo Makimoto

    IPC分类号： H01P120

    CPC分类号： H01P1/20381 ,  H01P7/082 ,  H01P7/084

    摘要： A strip-line filter is provided with upper- and lower-stage resonators having the same electromagnetic characteristics. Each of the resonators has a one-wavelength square-shaped strip line and four open-end transmission lines connected to four coupling points A,C,B and D (or E,G,F and H) of each resonator which are spaced 90 degrees in electric length in that order. The square-shaped strip lines have a pair of parallel coupling lines closely placed in parallel to each other to electromagnetically couple the resonators. Therefore, the filter can be manufactured in a small size. A first microwave resonated in each resonator is electromagnetically influenced by two open-end transmission lines connected to two coupling points A and B (or E and F), and a second microwave resonated in each resonator is electromagnetically influenced by two open-end transmission lines connected to two coupling points C and D (or G and H). Therefore, resonance wavelengths of the microwaves can be longer than a line length of each square-shaped strip line. Also, the resonance wavelengths can be adjusted by trimming the transmission lines. Also, because all constitutional elements are made of strip lines, the filter can be made plane.

    摘要翻译： 带状滤波器设置有具有相同电磁特性的上级和下级谐振器。 每个谐振器具有单波长方形带状线和连接到每个谐振器的四个耦合点A，C，B和D（或E，G，F和H）的四个开路端传输线，其间隔开90° 电气长度的顺序。 方形带状线具有彼此平行地紧密放置的一对平行的耦合线，以电磁耦合谐振器。 因此，过滤器可以制造成小尺寸。 在每个谐振器中谐振的第一微波由两个连接到两个耦合点A和B（或E和F）的开路传输线进行电磁学影响，并且每个谐振器中谐振的第二微波由两个开路传输线 连接到两个耦合点C和D（或G和H）。 因此，微波的共振波长可以比每个方形带状线的线长长。 此外，可以通过修整传输线来调节谐振波长。 另外，由于所有的构成元件均由带状线制成，所以可以将滤光片制成平面。

    Strip-line type bandpass filter
    10.
    发明授权
    Strip-line type bandpass filter 失效
    带状带通滤波器

    公开(公告)号：US5334961A

    公开(公告)日：1994-08-02

    申请号：US925156

    申请日：1992-08-06

    申请人： Hirokazu Shirai ,  Morikazu Sagawa ,  Mitsuo Makimoto

    发明人： Hirokazu Shirai ,  Morikazu Sagawa ,  Mitsuo Makimoto

    IPC分类号： H01P1/203

    CPC分类号： H01P1/20336 ,  H01P1/20381

    摘要： A first bandpass filter comprises: a plurality of resonators and input/output lines formed such that a strip line formed in a substantially straight line is cut in an inclined direction to the straight line to form a plurality of resonators spaced apart by gaps, the resonators being coupled across the gaps. Each of the resonators may be formed in parallelogram. Each of the resonators may be formed in a substantial isosceles triangle. A second bandpass filter comprises: a plurality of resonators and a ground electrode, each of the resonators having an open-end strip line, one end of each of the strip line being connected to the ground electrode, width of each gaps between the resonators varying along the each of resonators to make either of electrostatic or electromagnetic coupling between the resonators stronger than the other.

    摘要翻译： 第一带通滤波器包括：多个谐振器和输入/输出线，其形成为使得形成在基本上直线上的带状线沿与直线相反的倾斜方向被切割以形成间隔开的多个谐振器，所述谐振器 跨越差距。 每个谐振器可以以平行四边形形成。 每个谐振器可以形成在基本上等腰三角形中。 第二带通滤波器包括：多个谐振器和接地电极，每个谐振器具有开口带状线，每条带状线的一端连接到接地电极，谐振器之间的每个间隙的宽度变化 沿着每个谐振器使得谐振器之间的静电或电磁耦合之一比另一个更强。