专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明申请

US20090108950A1 OSCILLATION CONTROL APPARATUS AND OSCILLATOR 有权
标题翻译：振荡控制装置和振荡器
公开(公告)号：US20090108950A1
公开(公告)日：2009-04-30
申请号：US12261544
申请日：2008-10-30
申请人： Hisato Takeuchi
发明人： Hisato Takeuchi
IPC分类号： H03L7/099
CPC分类号： H03L1/02 , H03L5/00
摘要： An oscillation control apparatus is provided with: an oscillating unit for oscillating an oscillating element; an output amplifying circuit having two pieces of same types of transistors series-connected to each other, for outputting a signal from a junction point between the two transistors in response to an oscillation signal outputted from the oscillating unit; a bias unit for generating two DC bias voltages having different levels from each other, which are applied to either respective gates or respective bases of the two transistors; a constant voltage power supply unit for applying a constant voltage to the oscillating unit; and an inverter unit provided between the oscillating unit and any one of either the gates or the bases of the two transistors, for inverting a phase of the oscillation signal outputted from the oscillating unit. Both the oscillation signal outputted from the oscillating unit and one of the two bias voltages are applied to either the gate or the base of one of the two transistors; and both an oscillation signal outputted from the oscillating unit and whose phase has been inverted by the inverting unit and the other bias voltage of the two bias voltages are applied to either the gate or the base of the other transistor of the two transistors.
摘要翻译：振荡控制装置具有：振荡单元，用于振荡振荡元件; 一个输出放大电路，具有两个串联连接的相同类型的晶体管，用于响应于从振荡单元输出的振荡信号，从两个晶体管之间的连接点输出信号; 用于产生彼此具有不同电平的两个DC偏置电压的偏置单元，其被施加到两个晶体管的相应栅极或相应的基极; 用于向振荡单元施加恒定电压的恒压电源单元; 以及逆变器单元，设置在振荡单元与两个晶体管的栅极或基极中的任一个之间，用于反转从振荡单元输出的振荡信号的相位。从振荡单元输出的振荡信号和两个偏置电压之一都施加到两个晶体管之一的栅极或基极上; 并且从振荡单元输出的相位已被反相单元反相的振荡信号和两个偏置电压的另一个偏置电压都施加到两个晶体管的另一晶体管的栅极或基极。

22. 发明申请

US20080238561A1 PIEZOELECTRIC OSCILLATOR 审中-公开
标题翻译：压电振荡器
公开(公告)号：US20080238561A1
公开(公告)日：2008-10-02
申请号：US12058231
申请日：2008-03-28
申请人： Takashi Otsuka , Hisato Takeuchi
发明人： Takashi Otsuka , Hisato Takeuchi
IPC分类号： H03B5/32 , H03B5/36
CPC分类号： H03B5/364
摘要： For a piezoelectric oscillator according to the present invention, an oscillator circuit includes: a piezoelectric vibrator; an NMOS transistor and a PMOS transistor that constitute an amplifier connected in parallel to the piezoelectric vibrator; and load capacitors connected in parallel to the piezoelectric vibrator. The gate terminals of the NMOS transistor and the PMOS transistor, which are constituents of the amplifier, are connected by a DC cut capacitor, and the gate terminal of the NMOS transistor and the output terminal of the amplifier are connected by a feedback resistor. An arbitrary bias voltage, to be applied to the gate terminal of the PMOS transistor via a high-frequency elimination resistor, is generated by a circuit provided by a diode-connected, second PMOS transistor.
摘要翻译：对于根据本发明的压电振荡器，振荡器电路包括：压电振动器; 构成与压电振子并联连接的放大器的NMOS晶体管和PMOS晶体管; 并将负载电容并联连接到压电振动器。作为放大器的组成部分的NMOS晶体管和PMOS晶体管的栅极端子由直流切断电容器连接，NMOS晶体管的栅极端子和放大器的输出端子通过反馈电阻器连接。通过由二极管连接的第二PMOS晶体管提供的电路产生经由高频消除电阻施加到PMOS晶体管的栅极端子的任意偏置电压。

23. 发明授权

US07230062B2 Acrylic copolymer 失效
标题翻译：丙烯酸共聚物
公开(公告)号：US07230062B2
公开(公告)日：2007-06-12
申请号：US11054410
申请日：2005-02-10
申请人： Makoto Mouri , Hisato Takeuchi
发明人： Makoto Mouri , Hisato Takeuchi
IPC分类号： C08F220/10
CPC分类号： C08F220/26
摘要： An acrylic copolymer consisting of a first acrylic monomer represented by the following general formula (1): [where each of R1 and R2 represents an aliphatic hydrocarbon group whose main chain is composed of 3 or less carbon atoms, and each of R3 and R4 represents a hydrocarbon atom], and a second acrylic monomer represented by the following general formula (2): [where at least one of R5 and R6 represents an aliphatic hydrocarbon group whose main chain is composed of 4 to 60 carbon atoms, in the case where one of the R5 and R6 does not represent the aliphatic hydrocarbon group, it represents an aliphatic hydrocarbon group whose main chain is composed of 3 or less carbon atoms, and each of R7 and R8 represents a hydrogen atom], wherein the first acrylic monomer makes up 50 to 99 % of total monomer units in the copolymer.
摘要翻译：由以下通式（1）表示的第一丙烯酸单体组成的丙烯酸共聚物：[其中R 1和R 2各自表示脂族烃基，其主链由3个以下的碳原子构成，R 3和R 4中的每一个表示烃原子]和由以下通式（2）表示的第二丙烯酸类单体）：[其中R 5和R 6中的至少一个表示主链由4至60个碳原子组成的脂族烃基，在以下情况之一的情况下： R 5和R 6不表示脂族烃基，它代表主链由3个或更少碳原子构成的脂族烃基，R ＆lt; 7＆gt;和＆lt; 8＆lt; 8＆gt;表示氢原子]，其中第一丙烯酸类单体占共聚物中总单体单元的50〜99％。

24. 发明申请

US20110227655A1 CRYSTAL-OSCILLATOR CIRCUIT 有权
标题翻译：水晶振荡器电路
公开(公告)号：US20110227655A1
公开(公告)日：2011-09-22
申请号：US13005176
申请日：2011-01-12
申请人： Kei NAGATOMO , Hisato Takeuchi , Shuuji Shibuya
发明人： Kei NAGATOMO , Hisato Takeuchi , Shuuji Shibuya
IPC分类号： H03L7/00
CPC分类号： H03L3/00 , H03L1/022
摘要： In a crystal-oscillator circuit having a quartz crystal unit, further stabilization of output frequency change at a time of startup of the power supply is achieved. A crystal-oscillator circuit having a quartz crystal unit includes a first variable-capacitance element, which forms an oscillation loop with the quartz crystal unit, and a temperature compensation circuit which provides a first control signal for the first variable-capacitance element to compensate for a temperature characteristic of the quartz crystal unit. In addition, the crystal-oscillator circuit includes a second variable-capacitance element group, and a time constant circuit which provides a time constant signal, which changes with a predetermined time constant, for the second variable-capacitance element group as a second control signal.
摘要翻译：在具有石英晶体单元的晶体振荡器电路中，实现了在电源启动时输出频率变化的进一步稳定。具有石英晶体单元的晶体振荡器电路包括与石英晶体单元形成振荡环路的第一可变电容元件和温度补偿电路，该电路为第一可变电容元件提供第一控制信号以补偿石英晶体单元的温度特性。此外，晶体振荡器电路包括第二可变电容元件组和时间常数电路，其将作为第二控制信号的第二可变电容元件组提供以预定时间常数变化的时间常数信号。

25. 发明授权

US07633350B2 Function generation circuit 有权
标题翻译：函数生成电路
公开(公告)号：US07633350B2
公开(公告)日：2009-12-15
申请号：US11806300
申请日：2007-05-31
申请人： Kei Nagatomo , Hisato Takeuchi , Keigo Shingu
发明人： Kei Nagatomo , Hisato Takeuchi , Keigo Shingu
IPC分类号： H03L1/00
CPC分类号： H03L1/022
摘要： A first order function generation circuit receives a signal from a temperature sensor circuit, and generates a first order function control signal V1 that is affected by the ambient temperature. A fourth order and fifth order approximation function generation circuit receives signals from the temperature sensor circuit and from the third order approximation function generation circuit, and generates a fourth and fifth order approximation function control signal V45 that is affected by the ambient temperature. A peak change point adjustment circuit outputs a signal to adjust the value of a peak change point temperature Ti for the third order approximation function generation circuit, the first order generation function circuit and the fourth order and fifth order approximation function generation circuit. A temperature compensation circuit adds together control signals V0, V1, V3 and V5, and outputs the resultant signal Vc.
摘要翻译：第一阶函数发生电路接收来自温度传感器电路的信号，并产生受环境温度影响的一阶函数控制信号V1。第四阶和五阶近似函数产生电路接收来自温度传感器电路和三阶近似函数产生电路的信号，并产生受环境温度影响的第四和第五阶近似函数控制信号V45。峰值变化点调整电路输出用于三阶近似函数发生电路，第一阶函数电路和第四阶和五阶近似函数产生电路的峰值变化点温度Ti的值的信号。温度补偿电路将控制信号V0，V1，V3和V5相加，并输出结果信号Vc。

26. 发明授权

US07369008B2 MOS varactor and voltage-controlled oscillator using the same 有权
标题翻译： MOS变容二极管和压控振荡器使用相同
公开(公告)号：US07369008B2
公开(公告)日：2008-05-06
申请号：US11362186
申请日：2006-02-27
申请人： Shigeo Masai , Yuichi Tateyama , Takashi Otsuka , Hisato Takeuchi
发明人： Shigeo Masai , Yuichi Tateyama , Takashi Otsuka , Hisato Takeuchi
IPC分类号： H03B5/12
CPC分类号： H03B5/368
摘要： To provide a MOS varactor in which oscillation frequency variation is small and variation in a capacitance changing voltage is small, and a voltage-controlled oscillator using the MOS varactor, as a load capacitor of an oscillating circuit composed of a feedback resistor 1, an amplifier 2, and a crystal vibrator 3, a variable electrostatic capacitor, which is generated between drain/source terminals and a gate terminal of each of MOS transistors 5a and 6a each of which source and drain terminals are short-circuited, is connected. A bulk terminal of each of the MOS transistors 5a and 6a is connected to one terminal of a resistor 19, a voltage is applied to the other terminal of the resistor 19, the bulk terminal of each of the MOS transistors 5a and 6a is connected to one terminal of a capacitor 20, and the other terminal of the capacitor 20 is grounded.
摘要翻译：为了提供其中振荡频率变化小并且电容变化电压的变化小的MOS变容二极管，以及使用MOS变容二极管作为由反馈电阻器1构成的振荡电路的负载电容器的压控振荡器，放大器 2和晶体振子3，在漏极/源极端子和源极和漏极端子短路的MOS晶体管5a和6a中的每一个的栅极端子之间产生的可变静电电容器被连接。每个MOS晶体管5a和6a的体积端子连接到电阻器19的一个端子，电压被施加到电阻器19的另一端，每个MOS晶体管5a和6的体端 a连接到电容器20的一个端子，并且电容器20的另一个端子接地。

27. 发明申请

US20060202773A1 MOS varactor and voltage-controlled oscillator using the same 有权
标题翻译： MOS变容二极管和压控振荡器使用相同
公开(公告)号：US20060202773A1
公开(公告)日：2006-09-14
申请号：US11362186
申请日：2006-02-27
申请人： Shigeo Masai , Yuichi Tateyama , Takashi Otsuka , Hisato Takeuchi
发明人： Shigeo Masai , Yuichi Tateyama , Takashi Otsuka , Hisato Takeuchi
IPC分类号： H03B5/12
CPC分类号： H03B5/368
摘要： To provide a MOS varactor in which oscillation frequency variation is small and variation in a capacitance changing voltage is small, and a voltage-controlled oscillator using the MOS varactor, as a load capacitor of an oscillating circuit composed of a feedback resistor 1, an amplifier 2, and a crystal vibrator 3, a variable electrostatic capacitor, which is generated between drain/source terminals and a gate terminal of each of MOS transistors 5a and 6a each of which source and drain terminals are short-circuited, is connected. A bulk terminal of each of the MOS transistors 5a and 6a is connected to one terminal of a resistor 19, a voltage is applied to the other terminal of the resistor 19, the bulk terminal of each of the MOS transistors 5a and 6a is connected to one terminal of a capacitor 20, and the other terminal of the capacitor 20 is grounded.
摘要翻译：为了提供其中振荡频率变化小并且电容变化电压的变化小的MOS变容二极管，以及使用MOS变容二极管作为由反馈电阻器1构成的振荡电路的负载电容器的压控振荡器，放大器 2和晶体振子3，在漏极/源极端子和源极和漏极端子短路的MOS晶体管5a和6a中的每一个的栅极端子之间产生的可变静电电容器被连接。每个MOS晶体管5a和6a的体积端子连接到电阻器19的一个端子，电压被施加到电阻器19的另一端，每个MOS晶体管5a和6的体端 a连接到电容器20的一个端子，并且电容器20的另一个端子接地。

28. 发明授权

US07015767B2 Function generator and temperature compensated crystal oscillator 失效
标题翻译：函数发生器和温度补偿晶体振荡器
公开(公告)号：US07015767B2
公开(公告)日：2006-03-21
申请号：US10773305
申请日：2004-02-09
申请人： Keigo Shingu , Eiichi Kaminishi , Hisato Takeuchi
发明人： Keigo Shingu , Eiichi Kaminishi , Hisato Takeuchi
IPC分类号： H03L1/00
CPC分类号： H03L1/022 , H03L1/028
摘要： With first, second and third current exchanger circuits cascaded, a current in proportion to a difference between an ambient temperature Ta and a reference temperature Tr is input to the first current exchanger circuit. The first current exchanger circuit supplies a current in proportion to the square of Ta−Tr to the second current exchanger circuit, the second current exchanger circuit supplies a current in proportion to the fourth power of Ta−Tr to the third current exchanger circuit, and the third current exchanger circuit outputs a current in proportion to the fifth power of Ta−Tr. Each of the first, second and third current exchanger circuits has a configuration which does not require a high supply voltage enough to drive a series circuit of three or more diodes.
摘要翻译：在第一，第二和第三电流交换器电路级联时，与环境温度Ta和参考温度Tr之间的差成比例的电流被输入到第一交流电路。第一当前交换器电路将与Ta-Tr的平方成比例的电流提供给第二交流电路，第二电流交换器电路将与Ta-Tr的第四功率成比例的电流提供给第三交流电路，第三电流交换器电路与Ta-Tr的第五功率成比例地输出电流。第一，第二和第三电流交换器电路中的每一个具有不需要足够大的电源电压来驱动三个或更多个二极管的串联电路的配置。

29. 发明申请

US20060017517A1 Voltage controlled oscillator 审中-公开
标题翻译：压控振荡器
公开(公告)号：US20060017517A1
公开(公告)日：2006-01-26
申请号：US11188326
申请日：2005-07-25
申请人： Takashi Ootsuka , Hisato Takeuchi , Keigo Shingu
发明人： Takashi Ootsuka , Hisato Takeuchi , Keigo Shingu
IPC分类号： H03B5/32
CPC分类号： H03B5/366 , H03B5/04 , H03B2200/0012
摘要： A voltage controlled oscillator enables controlling the MOS transistor threshold voltage independently of the temperature compensation control signal and external voltage frequency control signal. The voltage controlled oscillator has a crystal oscillator and a load capacitance is parallel connected to a crystal oscillator. The load capacitance includes a first MOS transistor comprising a gate terminal and a source/drain terminal formed by shorting the source and drain, and a second MOS transistor comprising a gate terminal and a source/drain terminal formed by shorting the source and drain. First and second control signal generating circuits supply respective control signals to the source/drain terminals and gate terminals of the first and second MOS transistors.
摘要翻译：压控振荡器能够独立于温度补偿控制信号和外部电压频率控制信号来控制MOS晶体管阈值电压。压控振荡器具有晶体振荡器，并且负载电容并联连接到晶体振荡器。负载电容包括第一MOS晶体管，其包括通过使源极和漏极短路而形成的栅极端子和源极/漏极端子，以及包括通过短路源极和漏极形成的栅极端子和源极/漏极端子的第二MOS晶体管。第一和第二控制信号发生电路向第一和第二MOS晶体管的源极/漏极端子和栅极端子提供相应的控制信号。

30. 发明申请

US20060012445A1 Voltage controlled oscillator 有权
标题翻译：压控振荡器
公开(公告)号：US20060012445A1
公开(公告)日：2006-01-19
申请号：US11181129
申请日：2005-07-14
申请人： Hisato Takeuchi , Keigo Shingu , Takashi Ootsuka
发明人： Hisato Takeuchi , Keigo Shingu , Takashi Ootsuka
IPC分类号： H03B5/32
CPC分类号： H03L1/022 , H03B5/36 , H03K3/011 , H03K3/0307 , H03L1/023 , H03L1/028 , H03L7/099
摘要： In a voltage controlled oscillator including an amplifier, a feedback circuit and a crystal oscillator, two MOS transistors M1, M2 are connected for use as variable capacity elements for the frequency adjustment of the voltage controlled oscillator. Drains of the MOS transistors M1, M2 are respectively connected to an XT terminal and an XTB terminal of the crystal oscillator. Sources of the MOS transistors M1, M2 are made common and connected to a grounding terminal via a capacitor C3. Gates of the MOS transistors M1, M2 are made common, and an added voltage signal of a temperature compensating signal voltage and an external frequency control signal voltage is applied to the common gate terminals of the MOS transistors to thereby perform the frequency control of the oscillator.
摘要翻译：在包括放大器，反馈电路和晶体振荡器的压控振荡器中，两个MOS晶体管M 1，M 2连接用作用于压控振荡器的频率调整的可变电容元件。 MOS晶体管M 1，M 2的漏极分别连接到晶体振荡器的XT端子和XTB端子。 MOS晶体管M 1，M 2的源极共同，并通过电容器C 3连接到接地端子。 MOS晶体管M 1，M 2的栅极共同，并且将温度补偿信号电压和外部频率控制信号电压的附加电压信号施加到MOS晶体管的公共栅极端子，从而执行频率控制振荡器。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式