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    • 3. 发明授权
    • Portable radio
    • 便携式收音机
    • US07136018B2
    • 2006-11-14
    • US10519361
    • 2004-07-01
    • Akihiko IguchiMisako SakaeYuki Satoh
    • Akihiko IguchiMisako SakaeYuki Satoh
    • H01Q1/24
    • H01Q1/243H01Q1/36H01Q1/38
    • The present invention provides a portable transceiver where a broadband of an antenna characteristic can be realized and efficiency is improved. The present invention provides a portable transceiver includes a first housing (7) having a first circuit board (5) in its inside and an input section at its surface, a second housing (8) having a second circuit board (6) in its inside and a display section at its surface, and a coupling section (4) for electrically coupling the first circuit board (5) with the second circuit board (6). An antenna section (3) and an element section (9) are disposed at one of the circuit boards, and the first housing (7) and the second housing (9) are coupled with each other via a hinge section (2) and can be folded.
    • 本发明提供一种可实现天线特性的宽带并提高效率的便携式收发器。 本发明提供了一种便携式收发器,包括:第一壳体(7),其内部具有第一电路板(5)和其表面上的输入部分;第二壳体(8),其内部具有第二电路板(6) 和表面的显示部分,以及用于将第一电路板(5)与第二电路板(6)电耦合的耦合部分(4)。 天线部分(3)和元件部分(9)设置在电路板之一处,并且第一壳体(7)和第二壳体(9)经由铰链部分(2)彼此联接,并且可以 折叠
    • 4. 发明申请
    • Portable radio
    • 便携式收音机
    • US20050231428A1
    • 2005-10-20
    • US10519361
    • 2004-07-01
    • Akihiko IguchiMisako SakaeYuki Satoh
    • Akihiko IguchiMisako SakaeYuki Satoh
    • H01Q1/24H01Q1/36H01Q1/38H01Q5/00H04B1/38H04B1/3822H04M1/02
    • H01Q1/243H01Q1/36H01Q1/38
    • The present invention provides a portable transceiver where a broadband of an antenna characteristic can be realized and efficiency is improved. The present invention provides a portable transceiver includes a first housing (7) having a first circuit board (5) in its inside and an input section at its surface, a second housing (8) having a second circuit board (6) in its inside and a display section at its surface, and a coupling section (4) for electrically coupling the first circuit board (5) with the second circuit board (6). An antenna section (3) and an element section (9) are disposed at one of the circuit boards, and the first housing (7) and the second housing (9) are coupled with each other via a hinge section (2) and can be folded.
    • 本发明提供一种可实现天线特性的宽带并提高效率的便携式收发器。 本发明提供了一种便携式收发器,包括:第一壳体(7),其内部具有第一电路板(5)和其表面上的输入部分;第二壳体(8),其内部具有第二电路板(6) 和表面的显示部分,以及用于将第一电路板(5)与第二电路板(6)电耦合的耦合部分(4)。 天线部分(3)和元件部分(9)设置在电路板之一处,并且第一壳体(7)和第二壳体(9)经由铰链部分(2)彼此联接,并且可以 折叠
    • 5. 发明授权
    • Composite duplexer
    • 复合双工器
    • US07629862B2
    • 2009-12-08
    • US11568772
    • 2006-05-19
    • Yuki SatohNaoki YudaKoji HashimotoToshio Ishizaki
    • Yuki SatohNaoki YudaKoji HashimotoToshio Ishizaki
    • H01P1/10H01P5/12H03H7/46
    • H04B1/006H04B1/48H04B1/52
    • A composite duplexer includes an antenna terminal, a first receiving terminal, a second receiving terminal, a transmitting terminal, a first switch, a duplexer, and a second switch. The first switch includes a first branch contact, a second branch contact connected with the transmitting terminal, a third branch contact connected with the second receiving terminal, and a first common contact connected with the first antenna terminal. The first common contact of the first switch is connected selectively with the first branch contact, the second branch contact, and the third branch contact. The first duplexer includes a first receiving filter connected with the first receiving terminal, and a first transmitting filter. The duplexer is connected with the first branch contact of the first switch. The second switch is operable to connect and disconnect electrically between the first transmitting filter of the first duplexer and the transmitting terminal. This composite duplexer can separate signals even if their frequency bands are close to each other.
    • 复合双工器包括天线端子,第一接收端子,第二接收端子,发送端子,第一开关,双工器和第二开关。 第一开关包括第一分支触点,与发送端子连接的第二分支触点,与第二接收端子连接的第三分支触点,以及与第一天线端子连接的第一公共触点。 第一开关的第一公共接点与第一分支触点,第二分支触点和第三分支触点选择性地连接。 第一双工器包括与第一接收端连接的第一接收滤波器和第一发射滤波器。 双工器与第一开关的第一分支触点连接。 第二开关可操作以在第一双工器的第一发射滤波器和发射端之间电连接和断开。 即使它们的频带彼此接近,该复合双工器也可以分离信号。
    • 6. 发明申请
    • COMPOSITE DUPLEXER
    • 复合双工器
    • US20090256645A1
    • 2009-10-15
    • US11568772
    • 2006-05-19
    • Yuki SatohNaoki YudaKoji HashimotoToshio Ishizaki
    • Yuki SatohNaoki YudaKoji HashimotoToshio Ishizaki
    • H03H7/46
    • H04B1/006H04B1/48H04B1/52
    • A composite duplexer includes an antenna terminal, a first receiving terminal, a second receiving terminal, a transmitting terminal, a first switch, a duplexer, and a second switch. The first switch includes a first branch contact, a second branch contact connected with the transmitting terminal, a third branch contact connected with the second receiving terminal, and a first common contact connected with the first antenna terminal. The first common contact of the first switch is connected selectively with the first branch contact, the second branch contact, and the third branch contact. The first duplexer includes a first receiving filter connected with the first receiving terminal, and a first transmitting filter. The duplexer is connected with the first branch contact of the first switch. The second switch is operable to connect and disconnect electrically between the first transmitting filter of the first duplexer and the transmitting terminal. This composite duplexer can separate signals even if their frequency bands are close to each other.
    • 复合双工器包括天线端子,第一接收端子,第二接收端子,发送端子,第一开关,双工器和第二开关。 第一开关包括第一分支触点,与发送端子连接的第二分支触点,与第二接收端子连接的第三分支触点,以及与第一天线端子连接的第一公共触点。 第一开关的第一公共接点与第一分支触点,第二分支触点和第三分支触点选择性地连接。 第一双工器包括与第一接收端连接的第一接收滤波器和第一发射滤波器。 双工器与第一开关的第一分支触点连接。 第二开关可操作以在第一双工器的第一发射滤波器和发射端之间电连接和断开。 即使它们的频带彼此接近,该复合双工器也可以分离信号。
    • 7. 发明授权
    • Multiplexer/branching filter
    • 多路复用器/分路器
    • US06335663B1
    • 2002-01-01
    • US09423977
    • 2000-02-28
    • Yuki SatohNaoki YudaHidenori KatsumuraTsutomu Matsumura
    • Yuki SatohNaoki YudaHidenori KatsumuraTsutomu Matsumura
    • H01P512
    • H03H7/1775C03C8/14C03C10/0036C03C14/004H03H7/0115H03H7/075H03H7/1791H03H7/46H03H2001/0085
    • The present invention relates to a multiplexer/demultiplexer for use in mobile communication devices and provides a small and low-loss multiplexer/demultiplexer. The present invention provides a multiplexer/demultiplexer including a first to a third ports each externally terminated with a pure resistance, in which the second port is made to be a common port by connecting between the first port and the ground a first resonant circuit which makes serial resonance at a frequency within a first frequency band or in its proximity, and further connecting an inductive element in series between the first port and the second port, and connecting between the third port and the ground a second resonant circuit which makes serial resonance at a frequency within a second frequency band which is different from the first frequency band or in its proximity, and further connecting a capacitive element in series between the third port and the second port.
    • 本发明涉及一种用于移动通信设备的多路复用器/解复用器,并且提供了一种小型和低损耗多路复用器/解复用器。 本发明提供一种多路复用器/解复用器,其包括第一至第三端口,每个端口均以纯电阻外部端接,其中通过在第一端口和地之间连接使第二端口成为公共端口,所述第一谐振电路使得 在第一频带或其附近的频率处的串联谐振,并且进一步将电感元件串联连接在第一端口和第二端口之间,以及在第三端口和地之间连接第二谐振电路,其使串联谐振在 在与第一频带或其附近不同的第二频带内的频率,并且还在第三端口和第二端口之间串联电容性元件。
    • 9. 发明授权
    • Saw filter antenna sharing device using the same, and mobile communication terminal using the same
    • 使用相同的过滤器天线共用装置,以及使用相同的移动通信终端
    • US06445261B1
    • 2002-09-03
    • US09463113
    • 2000-04-13
    • Naoki YudaToru SakuragawaRyouichi TakayamaKozo MurakamiYuki Satoh
    • Naoki YudaToru SakuragawaRyouichi TakayamaKozo MurakamiYuki Satoh
    • H03H964
    • H03H9/6483H03H7/19
    • The invention relates to a SAW filter, an antenna duplexer using the same, and a mobile communication terminal using the same, and assures a high withstanding power characteristic and a sufficient isolation between transmitting terminal and receiving terminal. The invention relates to a ladder-type SAW filter composed by alternately connecting a serial branch having at least one SAW resonator connected in series to a signal path, and a parallel branch having at least one SAW resonator connected between the signal path and the ground, in which the sizes of wiring patterns of the parallel branch are smaller than wiring patterns of the serial branch. Therefore, in the case of the serial-branch input type, inductive components of the parallel-branch wiring patterns can be decreased, so that a large reflection coefficient may be obtained in the rejection band.
    • 本发明涉及一种SAW滤波器,使用该SAW滤波器的天线双工器以及使用该SAW滤波器的移动通信终端,并且确保了高承受功率特性和发射终端与接收终端之间的充分隔离。本发明涉及一种梯型 SAW滤波器通过交替地连接具有串联连接到信号路径的至少一个SAW谐振器的串行支路和具有连接在信号路径和地之间的至少一个SAW谐振器的并联支路构成,其中布线图案的尺寸 并联支路小于串行支路的布线图形。 因此,在串联输入型的情况下,可以减小并联支路布线图案的电感分量,从而可以在拒绝频带中获得大的反射系数。