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1. 发明授权

EP0905917B1 Multimode wireless communication system 有权
标题翻译： Multimodusfunkkommunikationssystem
公开(公告)号：EP0905917B1
公开(公告)日：2007-05-02
申请号：EP98118212.4
申请日：1998-09-25
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Maegawa, Takaaki , Nakamura, Hiroyuki , Sakakura, Makoto , Kosugi, Hiroaki , Takada, Junnichi
IPC分类号： H04B1/40
CPC分类号： H04B1/0057 , H03D7/16 , H03D7/163 , H04B1/005 , H04B1/006 , H04B1/405 , H04B1/406

2. 发明公开

EP0982906A3 Multi-carrier transmitter circuit and communication equipment 有权
标题翻译：多载波发射机和通信装置
公开(公告)号：EP0982906A3
公开(公告)日：2004-03-24
申请号：EP99116572.1
申请日：1999-08-24
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Ishida, Kaoru , Miyaji, Masayuki , Kosugi, Hiroaki , Kugou, Shin'ichi
IPC分类号： H04L27/26 , H04L5/02
CPC分类号： H04L27/2614 , H04L27/2602 , H04L27/2637
摘要： To reduce the size of a multi-carrier transmitter circuit for a mobile communication base station, by suppressing instantaneous peak output power to a small value with respect to a wide-band signal of a few MHz to tens of MHz so that the peak factor of a multi-carrier signal is reduced. In a multi-carrier transmitter circuit for modulating carriers with corresponding input signals to generate modulated signals and then multiplexing said modulated signals and outputting a multiplexed signal, the multi-carrier transmitter circuit is equipped with carrier generators 3-1 to 3-n for generating each said carrier, modulators 5-1 to 5-n for modulating-each carrier with each input signal and outputting said modulated signal, an adder 6 for multiplexing said modulated signals and outputting the multiplexed signal, variable attenuators 2-1 to 2-n for directly or indirectly adjusting a level of each input signal, phase detectors 4-1 to 4-n for detecting a phase of each carrier, and a control circuit 7 for controlling the variable attenuators 2-1 to 2-n in accordance with the phase of each carrier.

3. 发明公开

EP1030441A3 Feedforward amplifier 审中-公开
公开(公告)号：EP1030441A3
公开(公告)日：2004-03-17
申请号：EP00103060.0
申请日：2000-02-15
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Miyaji, Masayuki , Ishida, Kaoru , Kosugi, Hiroaki , Kugou, Shin'ichi
IPC分类号： H03F1/32
CPC分类号： H03F1/3229
摘要： A feedforward amplifier has : a first power divider which divides an input signal into two signals; a first vector adjuster which adjusts an amplitude and a phase of one of output signals which are divided by said first power divider; a main amplifier which amplifies an output signal of said first vector adjuster; a first delay circuit which delays another output signals which are divided by said first power divider; a directional coupler which receives an output signal of said main amplifier and an output signal of said first delay circuit, and has a main port for outputting almost signals from the main amplifier and a couple port for outputting a few signals from the main amplifier; a power combiner which receives an output signal of said couple port and an output signal of said first delay circuit,to output a combined signals thereof; a second delay circuit which delays an output signal from said main port of said directional coupler; an auxiliary amplifier block which amplifies an output signal from said power combiner; and a power combiner which outputs a combined signal of an output signal of said second delay circuit, and an output signal of said auxiliary amplifier block, said auxiliary amplifier block being a broadband auxiliary amplifier block having at least two error amplifiers which amplify the output signal from said power combiner while splitting the output signal into respective frequency bands that do not overlap with each other.

4. 发明授权

EP0911985B1 Dual band transmitter with switchable matching circuit 有权
标题翻译：双带传送器与切换匹配电路
公开(公告)号：EP0911985B1
公开(公告)日：2004-01-21
申请号：EP98119696.7
申请日：1998-10-19
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Matsuura, Toru , Ishida, Kaoru , Kosugi, Hiroaki , Morinaga, Youichi Foyuhiro-Saidoterasu
IPC分类号： H04B1/04 , H04B1/40
CPC分类号： H04B1/0458 , H03F1/56 , H03F3/193 , H03F3/245 , H03F2200/111 , H03F2200/387 , H04B1/006

5. 发明授权

EP1111793B1 Frequency synthesizer apparatus equipped with delta-sigma modulator in fraction part control circuit 有权
$Frequency synthesizer apparatus equipped with delta-sigma modulator in fraction part control circuit$
标题翻译：与分数和Δ-Σ调制器的频率合成器，以控制的小数部分
公开(公告)号：EP1111793B1
公开(公告)日：2003-11-05
申请号：EP00127119.6
申请日：2000-12-12
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Adachi, Hisashi , Nakatani, Toshifumi , Kosugi, Hiroaki , Maeda, Masakatsu , Hirano, Shunsuke
IPC分类号： H03L7/197
CPC分类号： H03L7/1976

6. 发明公开

EP1331689A1 Power splitter/combiner circuit 有权
标题翻译： Leistungsteilungs - / - addierschaltung
公开(公告)号：EP1331689A1
公开(公告)日：2003-07-30
申请号：EP03009622.6
申请日：1998-09-14
申请人： Matsushita Electric Industrial Co., Ltd.
发明人： Ishda, Kaoru , Miyaji, Masayuki , Kosugi, Hiroaki , Kugou, Shin'ichi, Goody-Tsunashima 318
IPC分类号： H01P5/12
CPC分类号： H01P5/10 , H01P5/12 , H03F3/602
摘要： A power N-splitter or N-combiner circuit on a dielectric multilayer board being capable of splitting one signal into N signals or combining N signals into one signal, respectively, offers significant advantages compared to state of the art assemblies comprising trees of 2-splitters with respect to circuit size and power loss.
摘要翻译：能够将一个信号分解成N个信号或将N个信号分别组合成一个信号的电介质多分层或N组合电路分别与包括2个分离器的树的现有技术组件相比提供了显着的优点关于电路尺寸和功率损耗。

7. 发明授权

EP0803972B1 Dual band oscillator circuit 失效
标题翻译：双频带振荡电路
公开(公告)号：EP0803972B1
公开(公告)日：2002-09-25
申请号：EP97302805.3
申请日：1997-04-24
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD
发明人： Sakakura, Makoto , Miyoshi, Hisanaga , Hashimoto, Kouji , Fuse, Nobuo , Kosugi, Hiroaki , Ishida, Kaoru
IPC分类号： H03B5/18
CPC分类号： H03B5/1847

8. 发明公开

EP1146638A1 Wireless unit for a time division multiple access system 失效
标题翻译： FunkübertragungsvorrichtungfürZeitmultiplex-Vielfachzugriffssystem
公开(公告)号：EP1146638A1
公开(公告)日：2001-10-17
申请号：EP01106159.5
申请日：1996-05-15
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Ishida, Kaoru , Morinaga, Yoichi, 507,Foyu Hillside Terr. Kamihosh , Sasaki, Fujio , Ishizaki, Toshio , Sakakura, Makoto , Yamada, Toru , Kosugi, Hiroaki
IPC分类号： H03H7/46 , H03H7/38 , H03B5/18 , H03K17/693 , H04B7/26 , H01P1/203
CPC分类号： H01P1/20345 , H01P1/2135 , H03B2201/0208 , H03H7/38 , H03H7/46 , H03H2007/386 , H04B1/005 , H04B1/0057 , H04B1/006 , H04B1/406 , H04B1/48
摘要： A time division multiple access FDD wireless unit has a first local oscillator 8 for oscillating a first frequency; a second local oscillator 12 for oscillating a second frequency; a n-times multiplier 14 for multiplying the second frequency by n; a m-times multiplier 18 for multiplying the second frequency by m; a converter 6 for transmitting frequency of difference between a reception signal and an output of the first local oscillator 8; a converter 11 for transmitting frequency of sum or difference between an output of the converter 6 and an output of the n-times multiplier 14; modulator 19 for modulating an output of the m-times multiplier 18; a converter 22 for transmitting frequency of sum of an output of the modulator 19 and the output of m-times multiplier 18.
摘要翻译：时分多址FDD无线单元具有用于振荡第一频率的第一本地振荡器8; 用于振荡第二频率的第二本地振荡器12; 用于将第二频率乘以n的n次乘法器14; m倍乘法器18，用于将第二频率乘以m; 用于发送接收信号和第一本地振荡器8的输出之间的差的频率的转换器6; 用于发送转换器6的输出和n次乘法器14的输出之间的和或差的频率的转换器11; 调制器19，用于调制m次乘法器18的输出; 用于发送调制器19的输出和m次乘法器18的输出的和的频率的转换器22

9. 发明公开

EP0945977A3 Power amplifier 有权
标题翻译：功率放大器
公开(公告)号：EP0945977A3
公开(公告)日：2001-02-07
申请号：EP99105961.9
申请日：1999-03-24
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Iwai, Hiroshi , Ishida, Kaoru , Kosugi, Hiroaki , Enoki, Takashi , Morinaga, Youichi
IPC分类号： H03F3/21 , H03F3/60 , H03F1/02
CPC分类号： H03F3/602 , H03F3/211
摘要： A power amplifier has an input terminal for inputting a signal, input signal splitting parts for splitting the input signal into two signals each having equal power and phase difference of 180 degrees with respect to each other and outputting the two signals, first signal on-off selection parts for switching conduction/non-conduction of one of the output signals of the input signal splitting parts, first amplifying parts having an output matching circuit for amplifying the signal from the first signal on-off selection parts, second signal on-off selection parts for switching conduction/non-conduction of the signal outputted from the first amplifying parts, second amplifying parts having an output matching circuit for amplifying the other of the output signals from the input signal splitting parts, output signal combining parts for making phase difference of 180 degrees between the output of the second signal on-off selection parts and the output of the second amplifying parts and combining them, an output terminal for outputting the combined signal, and a bias on-off parts for switching on and off at least the first amplifying parts, wherein, when the output level is high, the first and second signal on-off selection parts are made on and, at the same time, the first and second amplifying parts are made on by the bias on-off parts, so that push-pull operation is performed, and when the output level is low, the first and second signal on-off selection parts is made off and the first amplifying parts is made off by the bias on-off parts and the second amplifying parts performs single-ended operation.
摘要翻译：功率放大器具有用于输入信号的输入端，用于将输入信号分成两个信号的输入信号分离部分，每个信号具有彼此相等的180度相位差的功率和相位差，并输出这两个信号，第一信号on-off 选择部分，用于切换输入信号分离部分的一个输出信号的导通/不导通;第一放大部分，具有输出匹配电路，用于放大来自第一信号开关选择部分的信号;第二信号开关选择用于切换从第一放大部件输出的信号的导通/非导通的部件，具有输出匹配电路的第二放大部件，用于放大来自输入信号分离部件的另一个输出信号，输出信号组合部件，第二信号开关选择部分的输出与第二放大部分和组合的输出之间的180度用于输出组合信号的输出端子以及至少用于接通和断开第一放大部件的偏置开关部件，其中，当输出电平高时，第一和第二信号开关选择部件并同时通过偏置开关部件接通第一和第二放大部件，从而执行推挽操作，并且当输出电平较低时，第一和第二信号接通断开选择部件，并且第一放大部件由偏置开关部件断开，并且第二放大部件执行单端操作。

10. 发明公开

EP0982906A2 Multi-carrier transmitter circuit and communication equipment 有权
标题翻译： Mehrträgersenderund Kommunikationseinrichtung
公开(公告)号：EP0982906A2
公开(公告)日：2000-03-01
申请号：EP99116572.1
申请日：1999-08-24
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Ishida, Kaoru , Miyaji, Masayuki , Kosugi, Hiroaki , Kugou, Shin'ichi
IPC分类号： H04L27/26
CPC分类号： H04L27/2614 , H04L27/2602 , H04L27/2637
摘要： To reduce the size of a multi-carrier transmitter circuit for a mobile communication base station, by suppressing instantaneous peak output power to a small value with respect to a wide-band signal of a few MHz to tens of MHz so that the peak factor of a multi-carrier signal is reduced.
In a multi-carrier transmitter circuit for modulating carriers with corresponding input signals to generate modulated signals and then multiplexing said modulated signals and outputting a multiplexed signal, the multi-carrier transmitter circuit is equipped with carrier generators 3-1 to 3-n for generating each said carrier, modulators 5-1 to 5-n for modulating-each carrier with each input signal and outputting said modulated signal, an adder 6 for multiplexing said modulated signals and outputting the multiplexed signal, variable attenuators 2-1 to 2-n for directly or indirectly adjusting a level of each input signal, phase detectors 4-1 to 4-n for detecting a phase of each carrier, and a control circuit 7 for controlling the variable attenuators 2-1 to 2-n in accordance with the phase of each carrier.
摘要翻译：为了减小用于移动通信基站的多载波发射机电路的尺寸，通过相对于几MHz至几十MHz的宽带信号将瞬时峰值输出功率抑制到较小的值，使得峰值因子减少了多载波信号。在用于用相应输入信号调制载波以产生调制信号，然后复用所述调制信号并输出多路复用信号的多载波发射机电路中，多载波发射机电路配备有载波发生器3-1至3 -n，用于产生每个所述载波，调制器5-1至5-n用于调制每个载波与每个输入信号并输出所述调制信号;加法器6，用于多路复用所述调制信号并输出多路复用信号;可变衰减器2-1 到2-n，用于直接或间接地调整每个输入信号的电平，用于检测每个载波的相位的相位检测器4-1至4-n，以及用于控制可变衰减器2-1至2-n的控制电路7 按照每个承运人的阶段。

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