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1. 发明授权

US07388405B2 Signal transmission circuit 失效
标题翻译：信号传输电路
公开(公告)号：US07388405B2
公开(公告)日：2008-06-17
申请号：US11513239
申请日：2006-08-31
申请人： Yusuke Tokunaga , Shiro Sakiyama , Shiro Dosho , Yasuyuki Doi , Makoto Hattori
发明人： Yusuke Tokunaga , Shiro Sakiyama , Shiro Dosho , Yasuyuki Doi , Makoto Hattori
IPC分类号： H03K19/094 , H03K19/0175 , H03B1/00
CPC分类号： H03K19/018571 , H03F1/0261 , H03F3/505 , H03F2200/18 , H04L25/028
摘要： A time required for an output voltage of a source follower to rise from Low to a predetermined voltage depends on a bias voltage. Therefore, by setting a converged voltage of an output voltage to be high by increasing the bias voltage, the time required to rise up to the predetermined voltage can be reduced. Therefore, a first source follower which is biased so that the converged value of the output voltage becomes a predetermined Hi voltage when an input data signal goes from Low to Hi, and a second source follower which is biased so as to become the Hi voltage after a period of one clock when an input data signal goes from Low to Hi, are used. The two source followers are operated with appropriate timing.
摘要翻译：源极跟随器的输出电压从低电平上升到预定电压所需的时间取决于偏置电压。因此，通过增加偏置电压来设定输出电压的收敛电压为高，可以降低上升到预定电压所需的时间。因此，当输入数据信号从低电平变为高电平时，被偏压使得输出电压的会聚值变为预定的Hi电压的第一源极跟随器，以及被偏置以便成为Hi电压之后的第二源极跟随器使用输入数据信号从低电平变为高电平时的一个时钟周期。两个来源追随者在适当的时机运行。

2. 发明申请

US20060176091A1 Delay locked loop circuit 审中-公开
标题翻译：延时锁定回路电路
公开(公告)号：US20060176091A1
公开(公告)日：2006-08-10
申请号：US11289753
申请日：2005-11-30
申请人： Shiro Sakiyama , Yusuke Tokunaga , Shiro Dosho , Toru Iwata , Takashi Hirata , Hideki Yoshii , Yasuyuki Doi , Makoto Hattori
发明人： Shiro Sakiyama , Yusuke Tokunaga , Shiro Dosho , Toru Iwata , Takashi Hirata , Hideki Yoshii , Yasuyuki Doi , Makoto Hattori
IPC分类号： H03L7/06
CPC分类号： H03L7/0812 , H03L7/07 , H03L7/0891 , H03L7/0895
摘要： A delay element generates a delayed clock signal which transitions with a delay from a rising (or falling) of a reference clock signal by a delay amount determined based on an output of a loop filter. A signal generation circuit generates two signals which complementarily change according to rising and falling of the reference clock signal and a transition of the delayed clock signal. A charge pump circuit performs on the loop filter, according to these two signals, a push (or pull) operation during an interval extending from a rising (or falling) of the reference clock signal to the transition of the delayed clock signal and a pull (or push) operation during an interval extending from the transition of the delayed clock signal to a falling (or rising) of the reference clock signal.
摘要翻译：延迟元件产生延迟的时钟信号，该时钟信号以基于参考时钟信号的上升（或下降）的延迟从基于环路滤波器的输出确定的延迟量转变。信号产生电路产生根据参考时钟信号的上升和下降以及延迟的时钟信号的转变而互补地变化的两个信号。电荷泵电路根据这两个信号执行环路滤波器，在从参考时钟信号的上升（或下降）延迟到延迟的时钟信号的转换的延迟期间进行推（或拉）（或推动）操作在从延迟的时钟信号的转变延伸到参考时钟信号的下降（或上升）的间隔期间。

3. 发明授权

US07705645B2 Delay locked loop circuit 有权
标题翻译：延时锁定回路电路
公开(公告)号：US07705645B2
公开(公告)日：2010-04-27
申请号：US12033707
申请日：2008-02-19
申请人： Shiro Sakiyama , Yusuke Tokunaga , Shiro Dosho , Toru Iwata , Takashi Hirata , Hideki Yoshii , Yasuyuki Doi , Makoto Hattori
发明人： Shiro Sakiyama , Yusuke Tokunaga , Shiro Dosho , Toru Iwata , Takashi Hirata , Hideki Yoshii , Yasuyuki Doi , Makoto Hattori
IPC分类号： H03L7/06
CPC分类号： H03L7/0812 , H03L7/07 , H03L7/0891 , H03L7/0895
摘要： A delay element generates a delayed clock signal which transitions with a delay from a rising (or falling) of a reference clock signal by a delay amount determined based on an output of a loop filter. A signal generation circuit generates two signals which complementarily change according to rising and falling of the reference clock signal and a transition of the delayed clock signal. A charge pump circuit performs on the loop filter, according to these two signals, a push (or pull) operation during an interval extending from a rising (or falling) of the reference clock signal to the transition of the delayed clock signal and a pull (or push) operation during an interval extending from the transition of the delayed clock signal to a falling (or rising) of the reference clock signal.
摘要翻译：延迟元件产生延迟的时钟信号，该时钟信号以基于参考时钟信号的上升（或下降）的延迟从基于环路滤波器的输出确定的延迟量转变。信号产生电路产生根据参考时钟信号的上升和下降以及延迟的时钟信号的转变而互补地变化的两个信号。电荷泵电路根据这两个信号执行环路滤波器，在从参考时钟信号的上升（或下降）延迟到延迟的时钟信号的转换的延迟期间进行推（或拉）（或推动）操作在从延迟的时钟信号的转变延迟到参考时钟信号的下降（或上升）的间隔期间。

4. 发明申请

US20070090859A1 Signal transmission circuit 失效
标题翻译：信号传输电路
公开(公告)号：US20070090859A1
公开(公告)日：2007-04-26
申请号：US11513239
申请日：2006-08-31
申请人： Yusuke Tokunaga , Shiro Sakiyama , Shiro Dosho , Yasuyuki Doi , Makoto Hattori
发明人： Yusuke Tokunaga , Shiro Sakiyama , Shiro Dosho , Yasuyuki Doi , Makoto Hattori
IPC分类号： H03K19/094
CPC分类号： H03K19/018571 , H03F1/0261 , H03F3/505 , H03F2200/18 , H04L25/028
摘要： A time required for an output voltage of a source follower to rise from Low to a predetermined voltage depends on a bias voltage. Therefore, by setting a converged voltage of an output voltage to be high by increasing the bias voltage, the time required to rise up to the predetermined voltage can be reduced. Therefore, a first source follower which is biased so that the converged value of the output voltage becomes a predetermined Hi voltage when an input data signal goes from Low to Hi, and a second source follower which is biased so as to become the Hi voltage after a period of one clock when an input data signal goes from Low to Hi, are used. The two source followers are operated with appropriate timing.
摘要翻译：源极跟随器的输出电压从低电平上升到预定电压所需的时间取决于偏置电压。因此，通过增加偏置电压来设定输出电压的收敛电压为高，可以降低上升到预定电压所需的时间。因此，当输入数据信号从低电平变为高电平时，被偏压使得输出电压的会聚值变为预定的Hi电压的第一源极跟随器，以及被偏置以便成为Hi电压之后的第二源极跟随器使用输入数据信号从低电平变为高电平时的一个时钟周期。两个来源追随者在适当的时机运行。

5. 发明申请

US20100225518A1 DIGITAL/ANALOG CONVERTER CIRCUIT 有权
标题翻译：数字/模拟转换器电路
公开(公告)号：US20100225518A1
公开(公告)日：2010-09-09
申请号：US12376400
申请日：2007-06-19
申请人： Yusuke Tokunaga , Shiro Sakiyama , Shiro Dosho , Yasuyuki Doi , Kurumi Nakayama
发明人： Yusuke Tokunaga , Shiro Sakiyama , Shiro Dosho , Yasuyuki Doi , Kurumi Nakayama
IPC分类号： H03M1/66
CPC分类号： G09G3/3685 , G09G3/3696 , G09G2310/027 , H03M1/76
摘要： A selection section (105) selects a step voltage, among a plurality of step voltages (SV1, SV2, SV3, . . . ) each having a voltage value changing stepwise, corresponding to the digital value of digital data (D-DATA). For each of the plurality of step voltages (SV1, SV2, SV3, . . . ), different digital values are allocated to different steps of the step voltage. An amplifier section (106) amplifies the step voltage selected by the selection section (105). An output section (107) outputs the step voltage amplified by the amplifier section (106) as an output voltage (Vout) for a time period corresponding to the digital value of the digital data (D-DATA).
摘要翻译：选择部（105）选择与数字数据（D-DATA）的数字值对应的，具有逐步变化的电压值的多个阶梯电压（SV1，SV2，SV3 ......等）中的阶梯电压。对于多个步进电压（SV1，SV2，SV3 ...）中的每一个，将不同的数字值分配给步进电压的不同步骤。放大器部分（106）放大由选择部分（105）选择的步进电压。输出部分（107）输出由放大器部分（106）放大的阶跃电压作为对应于数字数据（D-DATA）的数字值的时间周期的输出电压（Vout）。

6. 发明授权

US07936295B2 Digital/analog converter circuit 有权
标题翻译：数模转换电路
公开(公告)号：US07936295B2
公开(公告)日：2011-05-03
申请号：US12376400
申请日：2007-06-19
申请人： Yusuke Tokunaga , Shiro Sakiyama , Shiro Dosho , Yasuyuki Doi , Kurumi Nakayama
发明人： Yusuke Tokunaga , Shiro Sakiyama , Shiro Dosho , Yasuyuki Doi , Kurumi Nakayama
IPC分类号： H03M1/78
CPC分类号： G09G3/3685 , G09G3/3696 , G09G2310/027 , H03M1/76
摘要： A selection section (105) selects a step voltage, among a plurality of step voltages (SV1, SV2, SV3, . . . ) each having a voltage value changing stepwise, corresponding to the digital value of digital data (D-DATA). For each of the plurality of step voltages (SV1, SV2, SV3, . . . ), different digital values are allocated to different steps of the step voltage. An amplifier section (106) amplifies the step voltage selected by the selection section (105). An output section (107) outputs the step voltage amplified by the amplifier section (106) as an output voltage (Vout) for a time period corresponding to the digital value of the digital data (D-DATA).
摘要翻译：选择部（105）选择与数字数据（D-DATA）的数字值对应的，具有逐步变化的电压值的多个阶梯电压（SV1，SV2，SV3 ......等）中的阶梯电压。对于多个步进电压（SV1，SV2，SV3 ...）中的每一个，将不同的数字值分配给步进电压的不同步骤。放大器部分（106）放大由选择部分（105）选择的步进电压。输出部分（107）输出由放大器部分（106）放大的阶跃电压作为对应于数字数据（D-DATA）的数字值的时间周期的输出电压（Vout）。

7. 发明授权

US07808295B2 Multiphase level shift system 有权
标题翻译：多相电平转换系统
公开(公告)号：US07808295B2
公开(公告)日：2010-10-05
申请号：US12296021
申请日：2007-06-15
申请人： Shiro Sakiyama , Akinori Matsumoto , Takashi Morie , Shiro Dosho , Yusuke Tokunaga
发明人： Shiro Sakiyama , Akinori Matsumoto , Takashi Morie , Shiro Dosho , Yusuke Tokunaga
IPC分类号： H03L5/00 , H03F3/66
CPC分类号： H03K19/01855 , H03K3/0315 , H03K3/354
摘要： Each of n level shifters (LS0 to LS7) includes an NMOS transistor (Mn1) for receiving any one of n clock signals (P0 to P7) and a PMOS transistor (Mp1) for receiving an output signal from another level shifter. An output signal given to the PMOS transistor (Mp1) included in each of the level shifters (LS0 to LS7) is an output signal of the level shifter which receives the clock signal whose phase delay amount with respect to the clock signal given to the NMOS transistor (Mn1) included in that level shifter is a phase amount X (0°
摘要翻译： n个电平移位器（LS0〜LS7）中的每一个包括用于接收n个时钟信号（P0〜P7）中的任何一个的NMOS晶体管（Mn1）和用于接收来自另一个电平移位器的输出信号的PMOS晶体管（Mp1）。给予每个电平移位器（LS0至LS7）中的PMOS晶体管（Mp1）的输出信号是电平移位器的输出信号，其接收相对于给予NMOS的时钟信号的相位延迟量的时钟信号包括在该电平移位器中的晶体管（Mn1）是相位量X（0°

8. 发明申请

US20090134931A1 MULTIPHASE LEVEL SHIFT SYSTEM 有权
标题翻译：多级水平移位系统
公开(公告)号：US20090134931A1
公开(公告)日：2009-05-28
申请号：US12296021
申请日：2007-06-15
申请人： Shiro Sakiyama , Akinori Matsumoto , Takashi Morie , Shiro Dosho , Yusuke Tokunaga
发明人： Shiro Sakiyama , Akinori Matsumoto , Takashi Morie , Shiro Dosho , Yusuke Tokunaga
IPC分类号： H03L5/00
CPC分类号： H03K19/01855 , H03K3/0315 , H03K3/354
摘要： Each of n level shifters (LS0 to LS7) includes an NMOS transistor (Mn1) for receiving any one of n clock signals (P0 to P7) and a PMOS transistor (Mp1) for receiving an output signal from another level shifter. An output signal given to the PMOS transistor (Mp1) included in each of the level shifters (LS0 to LS7) is an output signal of the level shifter which receives the clock signal whose phase delay amount with respect to the clock signal given to the NMOS transistor (Mn1) included in that level shifter is a phase amount X (0°
摘要翻译： n个电平移位器（LS0〜LS7）中的每一个包括用于接收n个时钟信号（P0〜P7）中的任何一个的NMOS晶体管（Mn1）和用于接收来自另一个电平移位器的输出信号的PMOS晶体管（Mp1）。给予每个电平移位器（LS0至LS7）中的PMOS晶体管（Mp1）的输出信号是电平移位器的输出信号，其接收相对于给予NMOS的时钟信号的相位延迟量的时钟信号包括在该电平移位器中的晶体管（Mn1）是相位量X（0°

9. 发明授权

US07920002B2 Pulse synthesis circuit 有权
标题翻译：脉冲合成电路
公开(公告)号：US07920002B2
公开(公告)日：2011-04-05
申请号：US12133901
申请日：2008-06-05
申请人： Shiro Sakiyama , Yusuke Tokunaga , Shiro Dosho , Akinori Matsumoto , Takashi Morie , Kazuaki Sogawa , Yukihiro Sasagawa , Masaya Sumita
发明人： Shiro Sakiyama , Yusuke Tokunaga , Shiro Dosho , Akinori Matsumoto , Takashi Morie , Kazuaki Sogawa , Yukihiro Sasagawa , Masaya Sumita
IPC分类号： H03K5/01
CPC分类号： H03K5/00006 , H03K5/13
摘要： A high-level period of each of n first pulse signals partially or wholly overlaps a period during which all of n second pulse signals are at the low level. A high-level period of each of the n second pulse signals partially or wholly overlaps a period during which all of the n first pulse signals are at the low level. Each of n first drive transistors includes a source connected to a ground node, a drain connected to a first node, and a gate receiving a corresponding one of the first pulse signals. Each of n second drive transistors includes a source connected to the ground node, a drain connected to a second node, and a gate receiving a corresponding one of the second pulse signals. A current mirror circuit allows a current corresponding to a current flowing through the second node to flow through the first node.
摘要翻译： n个第一脉冲信号中的每一个的高电平周期部分或全部与在所有n个第二脉冲信号都处于低电平的期间重叠。 n个第二脉冲信号中的每一个的高电平周期部分地或完全地重叠在所有n个第一脉冲信号处于低电平的时段。 n个第一驱动晶体管中的每一个包括连接到接地节点的源极，连接到第一节点的漏极以及接收相应的一个第一脉冲信号的栅极。 n个第二驱动晶体管中的每一个包括连接到接地节点的源极，连接到第二节点的漏极和接收相应的一个第二脉冲信号的栅极。电流镜电路允许对应于流过第二节点的电流的电流流过第一节点。

10. 发明授权

US07633421B2 A/D converter 失效
标题翻译： A / D转换器
公开(公告)号：US07633421B2
公开(公告)日：2009-12-15
申请号：US12093252
申请日：2007-07-30
申请人： Shiro Dosho , Takashi Morie , Yusuke Tokunaga , Shiro Sakiyama
发明人： Shiro Dosho , Takashi Morie , Yusuke Tokunaga , Shiro Sakiyama
IPC分类号： H03M1/12
CPC分类号： H03M1/123 , H03M1/1215 , H03M1/56
摘要： An A/D converter includes: a plurality of A/D conversion circuits (10 a, 10b); an input selection section (20) for selecting the A/D conversion circuit that is not executing A/D conversion to supply analog amounts obtained by sample-holding an input signal; and an output selection section (30) for selecting the A/D conversion circuit that is not executing A/D conversion to output digital amounts obtained from the selected one. Each A/D conversion circuit includes: an input memory portion (11) for sequentially storing the supplied analog amounts in a plurality of analog memory elements (111); an A/D conversion portion (12) having a plurality of A/D conversion elements (121) for converting the analog amounts stored in the analog memory elements to digital amounts; and a shift output portion (13), having a plurality of registers (131) receiving the digital amounts from the A/D conversion elements to hold the digital amounts, for shifting and outputting the digital amounts held in the registers.
摘要翻译： A / D转换器包括：多个A / D转换电路（10a，10b）; 输入选择部分（20），用于选择不执行A / D转换的A / D转换电路以提供通过采样保持输入信号获得的模拟量; 以及用于选择不执行A / D转换的A / D转换电路以输出从所选择的数字量获得的数字量的输出选择部分（30）。每个A / D转换电路包括：用于在多个模拟存储器元件（111）中顺序地存储所提供的模拟量的输入存储器部分（11）。具有用于将存储在模拟存储器元件中的模拟量转换为数字量的多个A / D转换元件的A / D转换部分（12）以及移位输出部分（13），具有从A / D转换元件接收数字量以保持数字量的多个寄存器（131），用于移位和输出保存在寄存器中的数字量。

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