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41. 发明授权

US07138893B2 Micro device 失效
标题翻译：微型器件
公开(公告)号：US07138893B2
公开(公告)日：2006-11-21
申请号：US10478305
申请日：2003-01-16
申请人： Yoshito Nakanishi , Yoshito Shimizu , Hiroyuki Yabuki
发明人： Yoshito Nakanishi , Yoshito Shimizu , Hiroyuki Yabuki
IPC分类号： H01H51/22
CPC分类号： H01P1/127 , B81B3/0086 , B81B2201/014 , B81B2203/0118 , B81B2203/056 , B81B2203/058 , H01H59/0009 , H01H2001/0068 , H03H9/2457 , H03H2009/02496 , H03H2009/02511
摘要： Resonators 4 and 5 are able to oscillate horizontally and vertically to substrate 1. Resonator 4 is primarily composed of a supporting portion in stationary contact with substrate 1, a movable portion including a contact surface making contact with resonator 5 and a contact surface making contact with electrode 7, and a crossing portion that couples the supporting portion and movable portion. Electrode 6 is disposed in the direction in which resonator 5 is spaced apart from resonator 4. Electrode 7 is disposed in the direction in which resonator 4 is spaced apart from resonator 5. Electrode 9 is disposed in a position that causes resonator 5 to generate electrostatic force in a direction different from the direction of both forces of attraction acting between resonators 4 and 5 and between resonator 5 and electrode 6.
摘要翻译：谐振器4和5能够水平和垂直地振荡到衬底1。谐振器4主要由与基板1固定接触的支撑部分构成，可动部分包括与谐振器5接触的接触表面和与电极7接触的接触表面，以及将支撑部分和可移动部分。电极6沿谐振器5与谐振器4间隔开的方向设置。电极7沿谐振器4与谐振器5间隔开的方向设置。电极9设置在使得谐振器5沿与谐振器4和5之间以及谐振器5和电极6之间的两个吸引力的方向不同的方向产生静电力的位置。

42. 发明申请

US20050220195A1 Filter circuit and radio apparatus 失效
标题翻译：滤波电路和无线电设备
公开(公告)号：US20050220195A1
公开(公告)日：2005-10-06
申请号：US10513792
申请日：2003-11-04
申请人： Yoshito Shimizu
发明人： Yoshito Shimizu
IPC分类号： H03F3/189 , H03F3/21 , H03F3/45 , H04B3/00
CPC分类号： H03H11/04
摘要： A distributor 103 distributes an input signal into two lines of distributed signals with equal amplitudes and equal phases. Buffers 104, 105 suppress interference between distributed signals distributed into the two lines. A filter 106 performs a frequency selection which allows only a distributed signal in a predetermined band to pass. A differential amplifier 107 outputs a difference in amplitude components between a distributed signal frequency-selected by the filter 106 and the distributed signal which is not frequency-selected. This allows an attenuation characteristic or passage characteristic in a high-frequency band to be maintained.
摘要翻译：分配器103将输入信号分配成具有相等振幅和相等相位的两行分布信号。缓冲器104,105抑制分布在两条线路中的分布式信号之间的干扰。滤波器106执行仅允许预定频带中的分布式信号通过的频率选择。差分放大器107输出由滤波器106选择的分布式信号与未频率选择的分布式信号之间的振幅分量的差。这允许保持高频带中的衰减特性或通道特性。

43. 发明授权

US06331804B1 Amplifier and radio communication apparatus using the same 有权
标题翻译：放大器和使用它的无线电通信装置
公开(公告)号：US06331804B1
公开(公告)日：2001-12-18
申请号：US09487849
申请日：2000-01-19
申请人： Yoshito Shimizu , Noriaki Saito , Hiroyuki Yabuki
发明人： Yoshito Shimizu , Noriaki Saito , Hiroyuki Yabuki
IPC分类号： H03G330
CPC分类号： H03F3/191 , H03F2200/372 , H03G1/0088
摘要： In a cascade amplifier, the collector of a first transistor with a grounded emitter and the emitter of a second transistor are connected. A third transistor has the base grounded at radio frequency, the emitter connected to the base of the first transistor, and the collector connected to the collector of the second transistor. A fourth transistor connected to the emitter of the third transistor works as a constant current source. A bias changeover circuit supplies base biases of these transisiors. In this constitution, by using the bias changeover circuit for changing over the bias depending on the cut-off condition of the first transistor, the gain is changed over by making either the cascade amplifier or the third transistor operate.
摘要翻译：在级联放大器中，连接具有接地发射极和第二晶体管的发射极的第一晶体管的集电极。第三晶体管具有以射频接地的基极，发射极连接到第一晶体管的基极，并且集电极连接到第二晶体管的集电极。连接到第三晶体管的发射极的第四晶体管用作恒流源。偏置转换电路提供这些变压器的基极偏置。在这种结构中，通过使用偏置切换电路根据第一晶体管的截止条件来改变偏置，通过使级联放大器或第三晶体管工作来改变增益。

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