公开(公告)号：US08207703B2

公开(公告)日：2012-06-26

申请号：US12399154

申请日：2009-03-06

申请人： Daisuke Kurose ,  Tetsuro Itakura ,  Yoshinao Tatebayashi ,  Nobuo Shibuya

发明人： Daisuke Kurose ,  Tetsuro Itakura ,  Yoshinao Tatebayashi ,  Nobuo Shibuya

IPC分类号： H02J7/00

CPC分类号： H02J7/0016 ,  B60L3/0046 ,  B60L11/1866 ,  H02J7/0021 ,  Y02T10/7005 ,  Y02T10/7061

摘要： A protection device for an assembled battery includes a sampling capacitor, first switches and second switches to sample the voltages of the battery cells and hold the voltages in the capacitor, a detection unit which detects the voltages of the battery cells based on the voltage sampled by any one of the first switches and the second switches and held on the capacitor and output the detected value, a computing unit which computes an average value of the detected values, a comparator which compares the detected value with the average value so as to obtain a result of comparison indicating a relation in size between the both, and a controller which controls the first switches and the second switches, for the second switches to sample if the detected value obtained by sampling by the first switches is higher than the average value according to the comparison result.

摘要翻译： 一种用于组装电池的保护装置包括采样电容器，第一开关和第二开关，以对电池单元的电压进行采样并保持电容器中的电压;检测单元，其基于由 第一开关和第二开关中的任一个，并且保持在电容器上并输出检测值，计算单元，其计算检测值的平均值;比较器，将检测值与平均值进行比较，以获得 比较结果表示两者之间的尺寸关系，以及控制器，其控制第一开关和第二开关，如果通过第一开关采样获得的检测值高于根据第一开关的平均值，则第二开关进行采样 比较结果。

公开(公告)号：US20120133843A1

公开(公告)日：2012-05-31

申请号：US13367734

申请日：2012-02-07

申请人： Takafumi SAKAMOTO ,  Tetsuro Itakura

发明人： Takafumi SAKAMOTO ,  Tetsuro Itakura

IPC分类号： H04N5/44

CPC分类号： H04N21/42204 ,  G06F1/26 ,  H04N21/4104 ,  H04N21/4432

摘要： According to an embodiment, there is provided an electronic apparatus which operates under another electronic apparatus when the other electronic apparatus is controlled by a predetermined control instruction, including: a receiving unit, a switch, a microcomputer, and a power control unit. The receiving unit receives a power ON command. The microcomputer operates under control of the other electronic apparatus. The switch switches whether to supply external power to the microcomputer. The power control unit turns on the switch when the receiving unit receives the power ON command so that the microcomputer can be controlled by the other electronic apparatus.

摘要翻译： 根据一个实施例，提供一种电子设备，当另一个电子设备通过预定的控制指令控制时，在另一电子设备下操作，包括：接收单元，开关，微型计算机和电源控制单元。 接收单元接收电源接通命令。 微型计算机在其他电子设备的控制下操作。 开关切换是否为微电脑供电。 当接收单元接收到电源接通命令时，电源控制单元接通开关，使得微型计算机可以被其他电子设备控制。

公开(公告)号：US08049509B2

公开(公告)日：2011-11-01

申请号：US12406451

申请日：2009-03-18

申请人： Hiroki Sakurai ,  Tetsuro Itakura ,  Toshiyuki Umeda ,  Akiko Yamada ,  Nobuo Shibuya ,  Yoshinao Tatebayashi ,  Daisuke Kurose

发明人： Hiroki Sakurai ,  Tetsuro Itakura ,  Toshiyuki Umeda ,  Akiko Yamada ,  Nobuo Shibuya ,  Yoshinao Tatebayashi ,  Daisuke Kurose

IPC分类号： G01N27/416

CPC分类号： H01M10/482 ,  G01R31/362 ,  G01R31/3658 ,  H02J5/00 ,  H02J5/005 ,  H02J7/0021 ,  Y02T10/7055

摘要： A battery information acquiring apparatus includes a voltage acquiring unit which acquires an inter-terminal voltage of the battery cell; a battery information acquiring circuit which acquires battery information of the battery cell with the acquired voltage being supplied as a first power supply voltage and; a radio circuit which transmits a signal of the battery information to the management unit via the antenna with the acquired voltage being supplied as a second power supply voltage and; a rectification circuit which receives a radio signal from the management unit via the antenna, rectify the received radio signal and generate a DC voltage; and a control circuit which controls supply of the first and second power supply voltages to the battery information acquiring circuit and the radio circuit wherein the control circuit operates with the generated DC voltage being supplied as a third power supply voltage.

摘要翻译： 电池信息获取装置包括获取电池单元的端子间电压的电压获取单元; 电池信息获取电路，其获取所获取的电压作为第一电源电压的电池信息; 无线电电路，其中获取的电压被提供作为第二电源电压，经由天线将电池信息的信号发送到管理单元; 整流电路，经由天线从管理单元接收无线信号，对接收到的无线信号进行整流，生成直流电压; 以及控制电路，其控制对电池信息获取电路和无线电电路的第一和第二电源电压的供应，其中控制电路以产生的直流电压作为第三电源电压供电。

公开(公告)号：US08046402B2

公开(公告)日：2011-10-25

申请号：US11812371

申请日：2007-06-18

申请人： Shigetaka Takagi ,  Yosuke Sakai ,  Tetsuro Itakura ,  Koichiro Mashiko

发明人： Shigetaka Takagi ,  Yosuke Sakai ,  Tetsuro Itakura ,  Koichiro Mashiko

IPC分类号： G06G7/02

CPC分类号： H03M1/0614 ,  H03M1/121

摘要： A signal processing method and apparatus reducing distortion using divided signals differing in only amplitude by weighting an input signal by first weights ki (i=1 to 4) to obtain divided signals, performing the same signal processing f(x) on the divided signals, weighting the signal processed divided signals by second weights l1 (i=1 to 4), and adding the divided signals Vout1 to Vout4 weighted by the second weights. The first weights are k1=t, k2=−t, k3=1, k4=−1, while the second weights are l1=−1, l2=1, l3=t3, l4=−t3. Here, t=b/a (where a and b are different positive integers).

摘要翻译： 一种信号处理方法和装置，通过使用第一权重k i（i = 1〜4）对输入信号进行加权来减小仅通过幅度不同的分割信号来获得分割信号，对划分的信号执行相同的信号处理f（x） 通过第二权重l1（i = 1至4）对经处理的分割信号进行加权，并将由第二权重加权的分频信号Vout1至Vout4相加。 第一个权重为k1 = t，k2 = -t，k3 = 1，k4 = -1，而第二个权重为l1 = -1，l2 = 1，l3 = t3，l4 = -t3。 这里，t = b / a（其中a和b是不同的正整数）。

公开(公告)号：US07940200B2

公开(公告)日：2011-05-10

申请号：US12637211

申请日：2009-12-14

申请人： Tomohiko Ito ,  Tetsuro Itakura

发明人： Tomohiko Ito ,  Tetsuro Itakura

IPC分类号： H03M1/10

CPC分类号： H03M1/1023 ,  H03M1/0682 ,  H03M1/205 ,  H03M1/365 ,  H03M1/745

摘要： There is disclosed a calibration method for an A/D converter. The A/D converter includes a first amplifier to amplify first and second voltage signals, a second amplifier to amplify the first and second voltage signals amplified by the first amplifier, and a comparator to compare the first and second voltage signals amplified by the second amplifier. The calibration method performs short-circuiting input ports of the second amplifier, comparing the first and second voltage signals inputted to the comparator to obtain a first result, calibrating output voltage of the second amplifier according to the first result, short-circuiting input ports of the first amplifier, opening the short-circuited input ports of the second amplifier, comparing the first and second voltage signals inputted to the comparator to obtain a second result, and calibrating output voltage of the first amplifier according to the second result.

摘要翻译： 公开了一种用于A / D转换器的校准方法。 A / D转换器包括：放大第一和第二电压信号的第一放大器;放大由第一放大器放大的第一和第二电压信号的第二放大器;以及比较器，用于比较由第二放大器放大的第一和第二电压信号; 。 校准方法执行第二放大器的短路输入端口，比较输入到比较器的第一和第二电压信号以获得第一结果，根据第一结果校准第二放大器的输出电压，短路输入端口 第一放大器，打开第二放大器的短路输入端口，比较输入到比较器的第一和第二电压信号以获得第二结果，并根据第二结果校准第一放大器的输出电压。

公开(公告)号：US07884749B2

公开(公告)日：2011-02-08

申请号：US12349180

申请日：2009-01-06

申请人： Masanori Furuta ,  Tomohiko Ito ,  Takafumi Yamaji ,  Tetsuro Itakura

发明人： Masanori Furuta ,  Tomohiko Ito ,  Takafumi Yamaji ,  Tetsuro Itakura

IPC分类号： H03M1/38

CPC分类号： H03M1/1215 ,  H03M1/162 ,  H03M1/164 ,  H03M1/468

摘要： An A/D converting apparatus includes a first A/D converter to sample an analog input signal having a D/A converter to generate a comparative signal for successive comparison with the analog input signal, a signal generator generate a differential signal between the analog input signal and the comparative signal, and a comparator to compare the comparative signal with a standard value to generate a first digital signal exhibiting high-order bit; an amplifier to amplify the differential signal to generate a residue signal; and a second A/D converter to sample the residue signal to generate a second digital signal exhibiting low-order bit.

摘要翻译： A / D转换装置包括：第一A / D转换器，对具有D / A转换器的模拟输入信号进行采样以产生用于与模拟输入信号连续比较的比较信号，信号发生器在模拟输入端之间产生差分信号 信号和比较信号，以及比较器，用于将比较信号与标准值进行比较，以产生呈现高位的第一数字信号; 放大器，用于放大差分信号以产生残余信号; 以及第二A / D转换器，用于对残留信号进行采样以产生呈现低阶位的第二数字信号。

公开(公告)号：US20100164633A1

公开(公告)日：2010-07-01

申请号：US12558771

申请日：2009-09-14

申请人： Hiroaki Hoshino ,  Osamu Watanabe ,  Shoji Otaka ,  Tetsuro Itakura

发明人： Hiroaki Hoshino ,  Osamu Watanabe ,  Shoji Otaka ,  Tetsuro Itakura

IPC分类号： H03L7/097

CPC分类号： H03L7/099 ,  H03L7/0891 ,  H03L7/18

摘要： A PLL circuit includes: a voltage-controlled oscillator including: a first oscillating portion configured to generate first differential signals; and a second oscillating portion configured to generate second differential signals with a phase difference of 90 degrees from the first differential signals; a phase detector configured to compare phases of third differential signals based on the first and second differential signals with a phase of a reference signal; and a loop filter configured to generate a control voltage for controlling the voltage-controlled oscillator based on a result of the comparison in the phase detector.

摘要翻译： PLL电路包括：压控振荡器，包括：第一振荡部分，被配置为产生第一差分信号; 以及第二振荡部分，被配置为产生与所述第一差分信号相差90度的第二差分信号; 相位检测器，被配置为将基于第一和第二差分信号的第三差分信号的相位与参考信号的相位进行比较; 以及环路滤波器，其被配置为基于相位检测器中的比较结果产生用于控制压控振荡器的控制电压。

公开(公告)号：US20100142653A1

公开(公告)日：2010-06-10

申请号：US12553315

申请日：2009-09-03

申请人： Masanori Furuta ,  Tomohiko Ito ,  Tetsuro Itakura

发明人： Masanori Furuta ,  Tomohiko Ito ,  Tetsuro Itakura

IPC分类号： H03M1/34 ,  H04L27/06

CPC分类号： H04L27/06 ,  H03M1/0682 ,  H03M1/468 ,  H03M1/804

摘要： An A/D conversion apparatus includes: a first and a second D/A converter to sample an analog signal and successively compare the analog signal and a reference signal to generate a first and a second comparison signal respectively; a first comparator to compare the first comparison signal generated by the first D/A converter with a benchmark signal; a second comparator to compare the second comparison signal generated by the second D/A converter with the benchmark signal; and a converter to convert the analog signal to a digital signal according to results of the comparisons by the first and second comparators.

摘要翻译： A / D转换装置包括：第一和第二D / A转换器，对模拟信号进行采样，并连续地比较模拟信号和参考信号，分别产生第一和第二比较信号; 第一比较器，用于将由第一D / A转换器产生的第一比较信号与基准信号进行比较; 第二比较器，用于将由第二D / A转换器产生的第二比较信号与基准信号进行比较; 以及根据第一和第二比较器的比较结果将模拟信号转换为数字信号的转换器。

公开(公告)号：US07719507B2

公开(公告)日：2010-05-18

申请号：US11399419

申请日：2006-04-07

申请人： Haruhiko Okumura ,  Tetsuro Itakura

发明人： Haruhiko Okumura ,  Tetsuro Itakura

IPC分类号： G09G3/36

CPC分类号： G09G3/3688 ,  G09G3/3614 ,  G09G3/3655 ,  G09G2330/024

摘要： A liquid crystal display controller includes a circuit which generates a signal for driving a signal line with the polarity of the signal controlled by a control signal; an inductance element into which current flows in synchronization with the control signal; and a switching unit which connects selectively one of the inductance element and the circuit to the signal line. The signal line of a liquid crystal display device is driven by the inductance element, whereby the power consumption is reduced.

摘要翻译： 一种液晶显示控制器，包括一个电路，该电路产生用于驱动具有由控制信号控制的信号的极性的信号线的信号; 电流与控制信号同步地流过的电感元件; 以及切换单元，其将所述电感元件和所述电路中的一个选择性地连接到所述信号线。 液晶显示装置的信号线由电感元件驱动，从而降低功耗。

公开(公告)号：US07414468B2

公开(公告)日：2008-08-19

申请号：US11928766

申请日：2007-10-30

申请人： Takafumi Yamaji ,  Rui Ito ,  Tetsuro Itakura

发明人： Takafumi Yamaji ,  Rui Ito ,  Tetsuro Itakura

IPC分类号： H03F3/45

CPC分类号： H03F3/193 ,  H03F3/45085 ,  H03F3/45183 ,  H03F2203/45352

摘要： An amplifier includes an amplification unit which amplify a first difference between first and second input signals, a second difference between second and third input signals and a third difference between third and first input signals by a differential mode gain, and amplify an average of the first, second and third input signal by a common mode gain, for outputting a first output signal corresponding to a sum of the amplified first difference and the amplified average, a second output signal corresponding to a sum of the amplified second difference and the amplified average, and a third output signal corresponding to a sum of the amplified third difference and amplified average; first, second; and a reduction circuit which reduces the common mode gain less than the differential mode gain.

摘要翻译： 放大器包括放大单元，其放大第一和第二输入信号之间的第一差值，第二和第三输入信号之间的第二差值以及第三和第一输入信号之间的差分模式增益的第三差值，并放大第一和第二输入信号的平均值 通过共模增益输出第二和第三输入信号，用于输出对应于放大的第一差值和放大的平均值的和的第一输出信号，对应于放大的第二差值和放大的平均值之和的第二输出信号， 以及对应于放大的第三差和放大的平均值之和的第三输出信号; 第一秒; 以及减小电路，其减小小于差分模式增益的共模增益。