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    • 2. 发明授权
    • Semiconductor circuit
    • 半导体电路
    • US07492341B2
    • 2009-02-17
    • US10895884
    • 2004-07-22
    • Toshikazu TachibanaYoshitaka IwasakiKazuya EndoGoro Sakamaki
    • Toshikazu TachibanaYoshitaka IwasakiKazuya EndoGoro Sakamaki
    • G09G5/00
    • G09G3/3688G09G3/3677
    • A semiconductor circuit with the reduced scale of circuitry and a semiconductor integrated circuit chip which is obtained by integrating the semiconductor circuit and enables chip size reduction are provided. For this purpose, a two-decode method is used. The method uses: a pre-decode circuit comprising a first decoder of the preceding stage which decodes an arbitrary bit of an address signal of eight bits and a second decoder of the preceding stage which decodes the remaining bits; level conversion circuits which shift the output of the pre-decode circuit; and post-decode circuits which decode the decode outputs of the decoders in the pre-decode circuit, level-converted through the level conversion circuits.
    • 提供了通过集成半导体电路并实现芯片尺寸减小而获得的缩小电路规模的半导体电路和半导体集成电路芯片。 为此,使用双解码方法。 该方法使用:预解码电路,包括前级的第一解码器,其对八位地址信号的任意位进行解码,以及解码剩余位的前一级的第二解码器; 电平转换电路,其使预解码电路的输出移位; 以及后解码电路,其解码通过电平转换电路进行电平转换的预解码电路中的解码器的解码输出。
    • 5. 发明申请
    • Liquid crystal drive device
    • 液晶驱动装置
    • US20080042951A1
    • 2008-02-21
    • US11892385
    • 2007-08-22
    • Yasushi KawasaTakesada AkibaKazuya EndoGoro Sakamaki
    • Yasushi KawasaTakesada AkibaKazuya EndoGoro Sakamaki
    • G09G3/36
    • G09G3/3655G09G3/3696G09G2330/021
    • By implementing reduction in power of common electrode voltages applied from a power source of a liquid crystal drive device to common electrode interconnects of a liquid crystal display panel, respectively, reduction in power consumption of the liquid crystal display panel as a whole is attained. A VCOM operation waveform in a charging process from a second voltage VCOML to a first voltage VCOMH shows that a charging current Icha represents the sum of a charging current from VCOML to a reference voltage VCI, Icha1=Cp(VCI-VCOML)/Δt, and a charging current from the reference voltage VCI to the first voltage VCOMH, Icha2=Cp(VCOMH−VCI)/Δt. Accordingly, power consumed by Icha1 is the reference voltage VCI×Icha1, and power consumed by Icha2 is VCI×Icha2×2. Meanwhile, a discharging current at a time of discharging from the first voltage VCOMH to the second voltage VCOML is the sum of a discharging current from the first voltage VCOMH to the ground potential GND, Idis1=Cp(VCOMH−GND)/Δt, and a discharging current from the ground potential GND to the second voltage VCOML, Idis2=Cp(GND-VCOML)/Δt. Now, if converted in terms of power consumed at the reference voltage VCI, since Idis1 represents discharge to GND, power consumption thereby becomes zero. Then, consumed power due to the discharging current from the ground potential GND to the second voltage VCOML, Idis2, is VCI×Idis2.
    • 通过将从液晶驱动装置的电源施加的共电极电压的功率分别实现为液晶显示面板的公共电极互连,能够实现液晶显示面板的整体功耗的降低。 从第二电压VCOML到第一电压VCOMH的充电过程中的VCOM操作波形示出充电电流Icha表示从VCOML到参考电压VCI的充电电流之和Icha 1 = Cp(VCI-VCOML)/ Deltat ,以及从参考电压VCI到第一电压VCOMH,Icha 2 = Cp(VCOMH-VCI)/ Deltat的充电电流。 因此,Icha1消耗的功率是参考电压VCIxIcha1,Icha2消耗的功率是VCIxIcha 2×2。 同时,从第一电压VCOMH向第二电压VCOML放电时的放电电流是从第一电压VCOMH到地电位GND的放电电流Idis 1 = Cp(VCOMH-GND)/ Deltat, 和从地电位GND到第二电压VCOML的放电电流Idis 2 = Cp(GND-VCOML)/ Deltat。 现在,如果以参考电压VCI消耗的功率转换,由于Idis 1表示放电到GND,因此功耗为零。 然后,由于从地电位GND到第二电压VCOML,Idis2的放电电流的消耗功率为VCIxIdis 2。
    • 6. 发明授权
    • Liquid crystal drive device
    • 液晶驱动装置
    • US07342562B2
    • 2008-03-11
    • US10830072
    • 2004-04-23
    • Yasushi KawaseTakesada AkibaKazuya EndoGoro Sakamaki
    • Yasushi KawaseTakesada AkibaKazuya EndoGoro Sakamaki
    • G09G3/36
    • G09G3/3655G09G3/3696G09G2330/021
    • By implementing reduction in power of common electrode voltages applied from a power source of a liquid crystal drive device to common electrode interconnects of a liquid crystal display panel, respectively, reduction in power consumption of the liquid crystal display panel as a whole is attained.A VCOM operation waveform in a charging process from a second voltage VCOML to a first voltage VCOMH shows that a charging current Icha represents the sum of a charging current from VCOML to a reference voltage VCI, Icha1=Cp (VCI−VCOML)/Δt, and a charging current from the reference voltage VCI to the first voltage VCOMH, Icha2=Cp (VCOMH−VCI)/Δt. Accordingly, power consumed by Icha1 is the reference voltage VCI×Icha1, and power consumed by Icha2 is VCI×Icha2×2. Meanwhile, a discharging current at a time of discharging from the first voltage VCOMH to the second voltage VCOML is the sum of a discharging current from the first voltage VCOMH to the ground potential GND, Idis1=Cp (VCOMH−GND)/Δt, and a discharging current from the ground potential GND to the second voltage VCOML, Idis2=Cp (GND−VCOML)/Δt. Now, if converted in terms of power consumed at the reference voltage VCI, since Idis1 represents discharge to GND, power consumption thereby becomes zero. Then, consumed power due to the discharging current from the ground potential GND to the second voltage VCOML, Idis2, is VCI×Idis2.
    • 通过将从液晶驱动装置的电源施加的共电极电压的功率分别实现为液晶显示面板的公共电极互连,能够实现液晶显示面板的整体功耗的降低。 从第二电压VCOML到第一电压VCOMH的充电过程中的VCOM操作波形示出充电电流Icha表示从VCOML到参考电压VCI的充电电流之和Icha 1 = Cp(VCI-VCOML)/ Deltat ,以及从参考电压VCI到第一电压VCOMH,Icha 2 = Cp(VCOMH-VCI)/ Deltat的充电电流。 因此,Icha1消耗的功率是参考电压VCIxIcha1,Icha2消耗的功率是VCIxIcha 2×2。 同时,从第一电压VCOMH向第二电压VCOML放电时的放电电流是从第一电压VCOMH到地电位GND的放电电流Idis 1 = Cp(VCOMH-GND)/ Deltat, 和从地电位GND到第二电压VCOML的放电电流Idis 2 = Cp(GND-VCOML)/ Deltat。 现在,如果以参考电压VCI消耗的功率转换,由于Idis 1表示放电到GND,因此功耗为零。 然后,由于从地电位GND到第二电压VCOML,Idis2的放电电流的消耗功率为VCIxIdis 2。
    • 7. 发明申请
    • Liquid crystal drive device
    • 液晶驱动装置
    • US20070296665A1
    • 2007-12-27
    • US11892619
    • 2007-08-24
    • Yasushi KawaseTakesada AkibaKazuya EndoGoro Sakamaki
    • Yasushi KawaseTakesada AkibaKazuya EndoGoro Sakamaki
    • G09G3/36
    • G09G3/3655G09G3/3696G09G2330/021
    • By implementing reduction in power of common electrode voltages applied from a power source of a liquid crystal drive device to common electrode interconnects of a liquid crystal display panel, respectively, reduction in power consumption of the liquid crystal display panel as a whole is attained. A VCOM operation waveform in a charging process from a second voltage VCOML to a first voltage VCOMH shows that a charging current Icha represents the sum of a charging current from VCOML to a reference voltage VCI, Icha1=Cp (VCI−VCOML)/Δt, and a charging current from the reference voltage VCI to the first voltage VCOMH, Icha2=Cp (VCOMH−VCI)/Δt. Accordingly, power consumed by Icha1 is the reference voltage VCI×Icha1, and power consumed by Icha2 is VCI×Icha2×2. Meanwhile, a discharging current at a time of discharging from the first voltage VCOMH to the second voltage VCOML is the sum of a discharging current from the first voltage VCOMH to the ground potential GND, Idis1=Cp (VCOMH−GND)/Δt, and a discharging current from the ground potential GND to the second voltage VCOML, Idis2=Cp (GND−VCOML)/Δt. Now, if converted in terms of power consumed at the reference voltage VCI, since Idis1 represents discharge to GND, power consumption thereby becomes zero. Then, consumed power due to the discharging current from the ground potential GND to the second voltage VCOML, Idis2, is VCI×Idis2.
    • 通过将从液晶驱动装置的电源施加的共电极电压的功率分别实现为液晶显示面板的公共电极互连,能够实现液晶显示面板的整体功耗的降低。 从第二电压VCOML到第一电压VCOMH的充电过程中的VCOM操作波形示出充电电流Icha表示从VCOML到参考电压VCI的充电电流之和Icha 1 = Cp(VCI-VCOML)/ Deltat ,以及从参考电压VCI到第一电压VCOMH,Icha 2 = Cp(VCOMH-VCI)/ Deltat的充电电流。 因此,Icha1消耗的功率是参考电压VCIxIcha1,Icha2消耗的功率是VCIxIcha 2×2。 同时,从第一电压VCOMH向第二电压VCOML放电时的放电电流是从第一电压VCOMH到地电位GND的放电电流Idis 1 = Cp(VCOMH-GND)/ Deltat, 和从地电位GND到第二电压VCOML的放电电流Idis 2 = Cp(GND-VCOML)/ Deltat。 现在,如果以参考电压VCI消耗的功率转换,由于Idis 1表示放电到GND,因此功耗为零。 然后,由于从地电位GND到第二电压VCOML,Idis2的放电电流的消耗功率为VCIxIdis 2。
    • 9. 发明申请
    • Serial communication system and serial communication local terminal
    • 串行通信系统和串行通信本地终端
    • US20050192790A1
    • 2005-09-01
    • US10837035
    • 2004-04-30
    • Kazuya EndoTohru Nonaka
    • Kazuya EndoTohru Nonaka
    • G06F13/38G05B19/042G06F9/455
    • G06F13/385G05B19/042G05B2219/25133G05B2219/25182
    • The invention is provided to make interface logic unnecessary and simplify a control system in a serial communication system for putting a line connecting a CPU and a control IC into serial form. The serial communication system 1 of the present invention comprises a center terminal 10, connected to the CPU 50 via the CPU control bus, for converting at least the operation instructions from a parallel signal to a serial signal for transmission to the serial communication line 30, and a local terminal 20, connected to the center terminal 10 via the serial communication line 30, for reconverting at least the serially converted operation instructions back to a parallel signal for transmission to the control IC 60. The local terminal 20 comprises a CPU emulation controller 2 for providing the CPU control bus in a pseudo manner, and is connected to the control IC 60 via the pseudo CPU control bus provided by the CPU emulation controller 21.
    • 提供本发明以使接口逻辑不必要并简化串行通信系统中的控制系统,用于将连接CPU和控制IC的线路串行连接。 本发明的串行通信系统1包括:中央终端10,经由CPU控制总线连接到CPU 50,用于至少将来自并行信号的操作指令转换为串行信号以传输到串行通信线路30, 以及经由串行通信线路30连接到中心终端10的本地终端20,用于将至少串行转换的操作指令重新转换回并行信号以传输到控制IC 60.本地终端20包括CPU仿真控制器 2,用于以伪方式提供CPU控制总线,并且经由CPU仿真控制器21提供的伪CPU控制总线连接到控制IC 60。