公开(公告)号：US06465984B2

公开(公告)日：2002-10-15

申请号：US09729850

申请日：2000-12-06

申请人： Kazuhito Fukuoka ,  Nobuo Tanaka ,  Hidekiyo Ozawa

发明人： Kazuhito Fukuoka ,  Nobuo Tanaka ,  Hidekiyo Ozawa

IPC分类号： H02J700

CPC分类号： G06F1/1613 ,  G06F1/1635 ,  G06F1/263 ,  H02J7/345 ,  H02J9/061

摘要： An electronic apparatus system includes a battery pack housing batteries and a battery pack connection section connecting the battery pack to the electronic apparatus, the electronic apparatus operable with one of electric power from an external power supply and electric power from the battery pack. A pseudo battery pack includes a power holding unit holding electric power to be supplied to the electronic apparatus, wherein if the external power supply is used and the external power supply fails to supply the electric power, the pseudo battery pack is mounted on the battery pack connection section.

摘要翻译： 电子装置系统包括容纳电池和将电池组连接到电子装置的电池组连接部的电池组，该电子装置可以利用来自外部电源的电力和来自电池组的电力进行操作。 伪电池组包括保持供给到电子设备的电力的电力保持单元，其中如果使用外部电源并且外部电源不能供应电力，则将所述伪电池组安装在电池组 连接部分。

公开(公告)号：US06366475B2

公开(公告)日：2002-04-02

申请号：US09535983

申请日：2000-03-27

申请人： Shigeaki Nakazawa ,  Hidetoshi Yano ,  Shigeo Tanaka ,  Hidekiyo Ozawa

发明人： Shigeaki Nakazawa ,  Hidetoshi Yano ,  Shigeo Tanaka ,  Hidekiyo Ozawa

IPC分类号： H02M3335

CPC分类号： H02M3/33523

摘要： A power control circuit for controlling an output of a power supply is provided with a setting section which variably sets a maximum rated output based on input temperature information.

摘要翻译： 用于控制电源输出的电源控制电路设置有基于输入温度信息可变地设定最大额定输出的设定部。

公开(公告)号：US06204648B1

公开(公告)日：2001-03-20

申请号：US09488014

申请日：2000-01-20

申请人： Mitsuo Saeki ,  Hidetoshi Yano ,  Hidekiyo Ozawa

发明人： Mitsuo Saeki ,  Hidetoshi Yano ,  Hidekiyo Ozawa

IPC分类号： G05F140

CPC分类号： H02H7/1213 ,  H02H7/16 ,  H02M3/1588 ,  Y02B70/1466

摘要： To avoid burning out a capacitor in a synchronous rectification type DC-to-DC converter due to overvoltages, the synchronous rectification type DC-to-DC converter includes a storage unit storing therein power derived from a power supply, switching elements connecting and disconnecting respective signal paths from power and ground, and a control unit controlling the connecting/disconnecting operations of the switching elements to maintain a voltage output from the storage unit at a predetermined value. The DC/DC converter also includes an overvoltage detecting unit monitoring a voltage derived from the power supply to thereby output an alarm signal when the voltage derived from the power supply exceeds a preselected voltage value, a shortcircuiting unit influencing the connecting conditions of the switching elements when the alarm signal from the overvoltage detecting unit is input therein, whereby the voltage derived from the power supply is shortcircuited, and an interrupting unit interrupting one of the signal paths by the power shortcircuited by the shortcircuiting unit.

摘要翻译： 为了避免由于过电压而在同步整流型DC-DC转换器中烧毁电容器，同步整流型DC-DC转换器包括存储单元，其存储来自电源的功率，各自连接和断开的开关元件 来自电源和地的信号路径，以及控制单元，控制开关元件的连接/断开操作，以将从存储单元输出的电压保持在预定值。 DC / DC转换器还包括过电压检测单元，其监视从电源导出的电压，从而当从电源导出的电压超过预选电压值时输出报警信号;影响开关元件的连接条件的短路单元 当来自过电压检测单元的报警信号被输入时，由电源导出的电压短路，并且中断单元通过由短路单元短路的电力中断信号路径之一。

公开(公告)号：US6147477A

公开(公告)日：2000-11-14

申请号：US884082

申请日：1997-06-27

申请人： Mitsuo Saeki ,  Hidetoshi Yano ,  Hidekiyo Ozawa ,  Seiya Kitagawa ,  Toshiyuki Matsuyama ,  Takashi Matsumoto ,  Kyuichi Takimoto ,  Yoshiaki Sano

发明人： Mitsuo Saeki ,  Hidetoshi Yano ,  Hidekiyo Ozawa ,  Seiya Kitagawa ,  Toshiyuki Matsuyama ,  Takashi Matsumoto ,  Kyuichi Takimoto ,  Yoshiaki Sano

IPC分类号： H02M3/155 ,  G05F1/40 ,  H02M1/00 ,  H02M1/36 ,  H02M3/156

CPC分类号： H02M1/36 ,  H02M3/156 ,  H02M2001/008

摘要： A direct-current to direct-current conversion (DC/DC) apparatus includes a control circuit having an error amplifier for voltage control and controlling a direct-current to direct-current conversion based on a pulse width modulation control using an output of the error amplifier. The error amplifier inputs a voltage signal corresponding to an output voltage of a DC/DC result and a plurality of reference voltage signals. The DC/DC apparatus also includes a soft start capacitor to provide one of the plurality of reference voltage signals. The error amplifier amplifies a difference between the voltage signal corresponding to the output voltage of a DC/DC result and a voltage signal of a lower potential among the plurality of reference voltage signals and, based on the amplified output, carries out the pulse width modulation control. Furthermore, the control circuit includes a circuit for discharging charges corresponding to the output voltage of the DC/DC result when a power supply to the control circuit is turned off. By the constitution, it is possible to easily realize power turn-on/turn-off sequence controls without requiring any special logic circuit, and thus to control rise/fall characteristics of the output voltage without depending on the load.

公开(公告)号：US6020718A

公开(公告)日：2000-02-01

申请号：US763793

申请日：1996-12-11

申请人： Hidekiyo Ozawa ,  Nobuo Tanaka ,  Masami Itoyama ,  Yoshiro Takeda

发明人： Hidekiyo Ozawa ,  Nobuo Tanaka ,  Masami Itoyama ,  Yoshiro Takeda

IPC分类号： G01R31/36 ,  G06F1/28 ,  H02H7/18 ,  H02J7/00

CPC分类号： G01R31/3679 ,  G01R31/3658 ,  H02H7/18 ,  H02J7/0021

摘要： A battery capacity predicting method predicts a remaining capacity of a battery unit including a plurality of battery cells connected in series in an apparatus which uses the battery unit. The battery capacity predicting method includes the steps of comparing output voltages of each of the battery cells, and predicting the remaining capacity of the battery unit based on at least one of a minimum voltage and a maximum voltage out of the compared output voltages of the battery cells.

摘要翻译： 电池容量预测方法预测包括在使用电池单元的装置中串联连接的多个电池单元的电池单元的剩余容量。 电池容量预测方法包括以下步骤：比较每个电池单元的输出电压，并且基于电池的比较输出电压中的最小电压和最大电压中的至少一个来预测电池单元的剩余容量 细胞。

公开(公告)号：US5572112A

公开(公告)日：1996-11-05

申请号：US412582

申请日：1995-03-29

申请人： Mitsuo Saeki ,  Hidekiyo Ozawa ,  Hidetoshi Yano

发明人： Mitsuo Saeki ,  Hidekiyo Ozawa ,  Hidetoshi Yano

IPC分类号： H02M3/00 ,  G05F1/56 ,  H02M3/156

CPC分类号： H02M3/156 ,  G05F1/56 ,  H02M2001/0022

摘要： h055721120A power supply unit comprising an output controller which is supplied with an input voltage from a voltage source and controls the output voltage, an output voltage detector for detecting the output voltage, a stable operation signal generator that generates a signal for stably operating the output controller, and a reference signal generator for generating a reference signal, wherein the output voltage is produced by controlling the output controller based upon the signals from the output voltage detector, stable operation signal generator and reference signal generator, and wherein provision is made of an input voltage detector for detecting the input voltage and a stable operation signal-level changer for changing the level of the signal in response to fluctuations in the input voltage to improve the operation of the stable operation signal generator.

摘要翻译： h055721120一种电源单元，包括：输出控制器，其被提供有来自电压源的输入电压并控制输出电压;输出电压检测器，用于检测输出电压;稳定运行信号发生器，其产生稳定运行输出的信号 控制器和用于产生参考信号的参考信号发生器，其中通过基于来自输出电压检测器，稳定操作信号发生器和参考信号发生器的信号控制输出控制器来产生输出电压，并且其中提供由 用于检测输入电压的输入电压检测器和用于响应于输入电压波动来改变信号电平的稳定操作信号电平变换器，以改善稳定运行信号发生器的运行。

公开(公告)号：US5563493A

公开(公告)日：1996-10-08

申请号：US175723

申请日：1993-12-30

申请人： Kouichi Matsuda ,  Hidekiyo Ozawa ,  Hidetoshi Yano ,  Toshiro Obitsu ,  Tetsuo Yamamoto

发明人： Kouichi Matsuda ,  Hidekiyo Ozawa ,  Hidetoshi Yano ,  Toshiro Obitsu ,  Tetsuo Yamamoto

IPC分类号： G06F1/26 ,  H02J7/00 ,  H02J7/02 ,  H02J9/06 ,  H01M10/44

CPC分类号： H02J7/0073 ,  G06F1/263 ,  H02J7/0024 ,  H02J7/0031 ,  H02J7/0036 ,  H02J7/0042 ,  H02J7/0068 ,  H02J9/061

摘要： A system comprises: a portable computer main body having therein a power source circuit section having a battery pack; and a plurality of auxiliary battery units which are mechanically connected and fixed to a casing of the computer main body and are electrically connected in series to a power source input terminal. A charge/discharge control section is provided for each of the auxiliary battery units. The charge/discharge control section sequentially charges from the auxiliary battery unit locating on the computer main body side when charging. On the contrary, the charge/discharge control section sequentially discharges from the auxiliary battery unit on the opposite side which is farthest from the computer main body when discharging. There is also a system construction having a single auxiliary battery unit.

摘要翻译： 一种系统包括：便携式计算机主体，其中具有电源电路部分，其具有电池组; 以及多个辅助电池单元，其机械地连接并固定到计算机主体的壳体，并且与电源输入端子串联电连接。 为每个辅助电池单元提供充电/放电控制部分。 充电/放电控制部分在充电时从位于计算机主体侧的辅助电池单元顺序充电。 相反，当放电时，充电/放电控制部分从与电脑主体最远的相对侧上的辅助电池单元顺序排出。 还有一种具有单个辅助电池单元的系统结构。