公开(公告)号：US08476973B2

公开(公告)日：2013-07-02

申请号：US13565374

申请日：2012-08-02

申请人： Heiji Ikoma

发明人： Heiji Ikoma

IPC分类号： H03F1/02

CPC分类号： H01L27/0207 ,  H03K17/08104 ,  H03K17/693

摘要： A switch device includes a plurality of differential switches formed in a semiconductor substrate. Each of the plurality of differential switches includes first and second differential transistors. The plurality of differential switches are placed in such a manner that the first differential transistors are adjacent to each other and the second differential transistors are adjacent to each other.

摘要翻译： 开关装置包括形成在半导体衬底中的多个差分开关。 多个差分开关中的每一个包括第一和第二差分晶体管。 多个差分开关以这样的方式被放置，使得第一差分晶体管彼此相邻并且第二差分晶体管彼此相邻。

公开(公告)号：US08081099B2

公开(公告)日：2011-12-20

申请号：US12439983

申请日：2008-07-09

申请人： Heiji Ikoma ,  Junji Nakatsuka

发明人： Heiji Ikoma ,  Junji Nakatsuka

IPC分类号： H03M1/66

CPC分类号： H03M1/0604 ,  H03M1/745

摘要： In a D/A converter that has a plurality of current sources (IS1, IS2 and IS3-1 to IS3-63) each including a transistor, and is for converting an input digital signal into an analog signal by selecting paths of currents output from the current sources (IS1, IS2 and IS3-1 to IS3-63), depending on the digital signal, a forward body bias voltage is applied to a back-gate terminal of the transistor included in each current source (IS1, IS2 and IS3-1 to IS3-63).

摘要翻译： 在具有多个电流源（IS1，IS2和IS3-1至IS3-63）的D / A转换器中，每个电流源包括晶体管，并且用于通过选择从 根据数字信号，电流源（IS1，IS2和IS3-1至IS3-63）将正向体偏置电压施加到每个电流源（IS1，IS2和IS3）中包括的晶体管的背栅极端子 -1至IS3-63）。

公开(公告)号：US20110037511A1

公开(公告)日：2011-02-17

申请号：US12912502

申请日：2010-10-26

申请人： Michiko TOKUMARU ,  Heiji IKOMA

发明人： Michiko TOKUMARU ,  Heiji IKOMA

IPC分类号： H03K17/687

CPC分类号： H03M1/0836 ,  H03K5/15013 ,  H03K17/002 ,  H03M1/0624 ,  H03M1/745

摘要： In a multiple signal switching circuit using four input signals IN1-IN4, a four-input latch circuit 3b is located. Four NAND circuits 6″ are used as the four-input latch circuit 3b, when one of the four signals IN1-IN4 is “L” and the other three are “H.” In each of the NAND circuits 6″, an output is coupled to one of the four input signals IN1-IN4, the three signals other than the coupled signal are coupled to inputs. Therefore, even in a multiple signal switching circuit having three or more input signals, timing errors among multiple signals to be output can be effectively reduced.

摘要翻译： 在使用四个输入信号IN1-IN4的多信号切换电路中，定位有四输入锁存电路3b。 四个NAND电路6“用作四输入锁存电路3b，当四个信号IN1-IN4中的一个为”L“，另外三个为”H“时。在每个NAND电路6”中，输出为 耦合到四个输入信号IN1-IN4中的一个，除了耦合信号之外的三个信号耦合到输入。 因此，即使在具有三个以上输入信号的多信号切换电路中，也能够有效地减少要输出的多个信号之间的定时误差。

公开(公告)号：US07042278B2

公开(公告)日：2006-05-09

申请号：US10844320

申请日：2004-05-13

申请人： Heiji Ikoma ,  Yoshitsugu Inagaki ,  Koji Oka

发明人： Heiji Ikoma ,  Yoshitsugu Inagaki ,  Koji Oka

IPC分类号： G05F3/02

CPC分类号： G11C5/147

摘要： A semiconductor integrated circuit is provided with a reference voltage generation circuit for generating a voltage to be a reference, a function circuit that is operated using an output voltage of the reference voltage generation circuit, and a reference voltage stabilization capacitor for stabilizing the output voltage, which is connected to an output terminal of the reference voltage generation circuit. During standby, the function circuit stops operating while the reference voltage generation circuit continues operating to prevent discharging of the reference voltage stabilization capacitor, thereby realizing reduction in power consumption of the function circuit such as an analog circuit as well as high-speed recovery from the standby state to the normal operation state.

摘要翻译： 半导体集成电路设置有用于产生作为基准的电压的基准电压产生电路，使用参考电压产生电路的输出电压进行操作的功能电路和用于稳定输出电压的基准电压稳定电容器， 其连接到参考电压产生电路的输出端子。 在待机期间，功能电路在参考电压产生电路继续工作时停止工作，以防止参考稳压电容器的放电，从而实现诸如模拟电路的功能电路的功耗降低以及来自 待机状态为正常运行状态。

公开(公告)号：US06590516B2

公开(公告)日：2003-07-08

申请号：US10156762

申请日：2002-05-29

申请人： Yoshitsugu Inagaki ,  Heiji Ikoma

发明人： Yoshitsugu Inagaki ,  Heiji Ikoma

IPC分类号： H03M166

CPC分类号： H03M1/002 ,  H03M1/742

摘要： A current steering type D/A converter comprises a D/A conversion circuit having plural current sources each outputting a predetermined current, and a logic circuit for selecting desired current sources from among the plural current sources; a reference voltage generation circuit for generating a reference voltage potential that determines an output current value of the D/A conversion circuit; and a control circuit for setting the D/A conversion circuit in the ON state or OFF state by controlling switch elements which are placed between the D/A conversion circuit and the reference voltage generation circuit. Therefore, current consumption of the current steering type D/A converter can be reduced.

摘要翻译： 电流转向型D / A转换器包括具有多个电流源的D / A转换电路，每个电流源均输出预定电流;以及逻辑电路，用于从多个电流源中选择所需电流源; 参考电压产生电路，用于产生确定D / A转换电路的输出电流值的参考电压电位; 以及控制电路，用于通过控制放置在D / A转换电路和参考电压产生电路之间的开关元件来将D / A转换电路设置在ON状态或OFF状态。 因此，可以减小当前转向型D / A转换器的电流消耗。

公开(公告)号：US5844362A

公开(公告)日：1998-12-01

申请号：US679091

申请日：1996-07-12

申请人： Koji Tanabe ,  Yosuke Chikahisa ,  Heiji Ikoma ,  Masahiro Ohara ,  Masaru Kuwahara

发明人： Koji Tanabe ,  Yosuke Chikahisa ,  Heiji Ikoma ,  Masahiro Ohara ,  Masaru Kuwahara

IPC分类号： H01H13/702 ,  H05B33/00 ,  H05B33/10 ,  H05B33/12 ,  H05B33/28 ,  H05B33/06 ,  H05B33/26

CPC分类号： H05B33/00 ,  H01H13/702 ,  H05B33/10 ,  H05B33/12 ,  H05B33/28 ,  H01H2219/018 ,  H01H2219/028 ,  H01H2219/046 ,  H01H2221/05 ,  H01L2251/306 ,  H01L51/5206

摘要： All of a transparent electrode layer 2, a light-emitting layer 3, a dielectric layer 4, a back-surface electrode 5, collecting electrodes 5a, 5b, and an insulating coat layer 6 are laminated with predetermined patterns by screen printing on an insulating transparent film 1. Conductive paste used for forming transparent electrode layer 2 comprises conductive powder of indium oxide which contains needle-like powder (A) and fine-gain powder (B) at a blending ratio of (A):(B)=100:0 to 20:80. A binder resin (D), being a photo-hardening or thermal-hardening resin, is mixed with the conductive powder (C) at a blending ratio of (C):(D)=45:55 to 95:5, thereby obtaining an excellent EL lighting element.

摘要翻译： 透明电极层2，发光层3，电介质层4，背面电极5，集电电极5a，5b和绝缘涂层6全部通过丝网印刷以绝缘层 透明膜1.用于形成透明电极层2的导电浆料包含掺杂有针状粉末（A）和微细增益粉末（B）的氧化铟的导电粉末，其混合比例为（A）：（B）= 100 ：0到20:80。 以（C）：（D）= 45:55〜95:5的混合比例，将作为光硬化性树脂或热硬化性树脂的粘合剂树脂（D）与导电性粉末（C）混合，得到 优秀的EL照明元件。

公开(公告)号：US5841230A

公开(公告)日：1998-11-24

申请号：US804963

申请日：1997-02-24

申请人： Heiji Ikoma ,  Koji Tanabe ,  Yosuke Chikahisa

发明人： Heiji Ikoma ,  Koji Tanabe ,  Yosuke Chikahisa

IPC分类号： H05B33/06 ,  H05B33/10 ,  H05B33/12 ,  H05B33/22 ,  H05B33/28 ,  H05B33/00

CPC分类号： H05B33/28 ,  H05B33/06 ,  H05B33/10 ,  H05B33/22

摘要： On an upper surface of an insulating transparent film, a transparent electrode layer, a phosphor layer, a dielectric layer, a back-surface electrode, collecting electrode layers, and an insulating coat layer are successively accumulated in predetermined patterns by repeating screen printing operations. Meanwhile, a light-permeable reflection layer containing pearly pigment is formed on a lower surface of the insulating transparent film in a predetermined pattern by a printing operation. With this arrangement, it becomes possible to eliminate the color difference of the light-emitting surface of the EL lighting element between its turned-on and turned-off conditions.

摘要翻译： 在绝缘性透明膜的上表面上，通过重复丝网印刷操作，以预定图案连续地累积透明电极层，荧光体层，电介质层，背面电极，集电电极层和绝缘涂层。 同时，通过印刷操作以预定图案在绝缘透明膜的下表面上形成含有珠光颜料的透光反射层。 通过这种布置，可以消除EL照明元件的发光面在其导通和关断条件之间的色差。

公开(公告)号：US08395442B2

公开(公告)日：2013-03-12

申请号：US13240179

申请日：2011-09-22

申请人： Michiko Tokumaru ,  Heiji Ikoma ,  Kouji Okamoto

发明人： Michiko Tokumaru ,  Heiji Ikoma ,  Kouji Okamoto

IPC分类号： H03K5/00

CPC分类号： H03H11/04 ,  H03H17/0223 ,  H03H2017/0247 ,  H04L25/02 ,  H04L27/36 ,  H04L27/38 ,  H04L27/3845

摘要： A filter circuit includes two parallel digital filters, a DAC, and an LPF. The DAC includes two parallel decoders, a parallel-to-serial converter, a switch driver, and a switch. A PLL circuit supplies a reference clock to the DAC. A frequency divider provided in the DAC divides the frequency of the reference clock by two, and supplies the half frequency clock to a parallel processing section (the two decoders and the parallel-to-serial converter) of the DAC and the two digital filters. This makes it easy to secure a timing margin, permitting use in high-speed communication on the order of several GHz.

摘要翻译： 滤波电路包括两个并行数字滤波器，DAC和LPF。 DAC包括两个并行解码器，并行转换器，开关驱动器和开关。 PLL电路为DAC提供参考时钟。 DAC中提供的分频器将参考时钟的频率除以2，并将半频时钟提供给DAC和两个数字滤波器的并行处理部分（两个解码器和并行到串行转换器）。 这样可以很容易地确保定时裕度，从而允许在几GHz数量级的高速通信中使用。

公开(公告)号：US07924188B2

公开(公告)日：2011-04-12

申请号：US12513776

申请日：2008-06-04

申请人： Michiko Tokumaru ,  Heiji Ikoma

发明人： Michiko Tokumaru ,  Heiji Ikoma

IPC分类号： H03M1/00

CPC分类号： H03K17/223 ,  H03K17/30 ,  H03K17/6871

摘要： When a semiconductor circuit, in which a stabilizing capacitor 2 for stabilizing a reference voltage Vbias is connected to a reference voltage terminal RT, recovers from a power down state to an operational state, a current mirror circuit 40 provides current mirroring of a current Ia of a first current path Ph1, which generates an OFF threshold voltage ref1 of a hysteresis comparator 1, to generate a current Ib of a second current path Ph2, which generates the reference voltage Vbias. The reference voltage Vbias is input to the comparator 1 as an input voltage vin. When the reference voltage Vbias becomes equal to the OFF threshold voltage ref1, the comparator 1 immediately stops the charging of the stabilizing capacitor 2 by a current source I1.

摘要翻译： 当将用于稳定参考电压Vbias的稳定电容器2连接到参考电压端子RT的半导体电路从功率下降状态恢复到操作状态时，电流镜像电路40提供电流镜像电路 生成滞后比较器1的OFF阈值电压ref1的第一电流通路Ph1，以产生第二电流通路Ph2的电流Ib，产生参考电压Vbias。 参考电压Vbias作为输入电压vin输入到比较器1。 当参考电压Vbias变为等于OFF阈值电压ref1时，比较器1立即通过电流源I1停止对稳定电容器2的充电。

公开(公告)号：US20100315276A1

公开(公告)日：2010-12-16

申请号：US12850313

申请日：2010-08-04

申请人： Tomohiro OGAWA ,  Heiji Ikoma

发明人： Tomohiro OGAWA ,  Heiji Ikoma

IPC分类号： H03M1/66 ,  H03K17/687

CPC分类号： H03K17/302 ,  H03K17/687 ,  H03K2217/0018 ,  H03M1/742

摘要： [Means for Solving the Problem] In a current switch circuit A used for a current steering D/A converter, a current switch basic circuit 1 includes first and second transistors Tr121 and Tr122 included in a differential switch 12. A threshold voltage control circuit 5 has an output terminal Vbout controlling the substrate voltage to be outputted to the substrate terminal of each of the two transistors Tr121 and Tr122 included in the differential switch 12 for controlling the threshold voltage of the two transistors of the differential switch. Accordingly, the present invention improves the decrease in the dynamic range of the current switch basic circuit 1 dependent on the threshold of each of the two transistors in the differential switch 12 and realizes a wider output voltage range without causing deterioration in properties even in a case that the power voltage is reduced in the current switch basic circuit 1.

摘要翻译： 解决问题的手段在用于电流转向D / A转换器的电流开关电路A中，电流开关基本电路1包括差分开关12中包括的第一和第二晶体管Tr121和Tr122。阈值电压控制电路5 具有控制基板电压的输出端子Vbout输出到差分开关12中包括的两个晶体管Tr121和Tr122中的每一个的基板端子，用于控制差分开关的两个晶体管的阈值电压。 因此，本发明根据差分开关12中的两个晶体管的阈值来改善电流开关基本电路1的动态范围的降低，并且实现更宽的输出电压范围而不会导致性能劣化，即使在这种情况下 在电流开关基本电路1中电源电压降低。