公开(公告)号：US07069252B2

公开(公告)日：2006-06-27

申请号：US10337419

申请日：2003-01-07

申请人： Munehiko Ishimi ,  Hirofumi Fujiwara ,  Kazuhiko Sekine ,  Toshihiko Kaji ,  Toshiyuki Iida ,  Yoshihide Tanaka ,  Keiko Shiraishi ,  Akimitsu Yomoda ,  Seinosuke Kashima

发明人： Munehiko Ishimi ,  Hirofumi Fujiwara ,  Kazuhiko Sekine ,  Toshihiko Kaji ,  Toshiyuki Iida ,  Yoshihide Tanaka ,  Keiko Shiraishi ,  Akimitsu Yomoda ,  Seinosuke Kashima

IPC分类号： G06F17/60

CPC分类号： G06Q30/06 ,  G06Q10/087 ,  G06Q10/0875 ,  G06Q20/10 ,  G06Q20/3821 ,  G06Q40/00

摘要： A user registration processor unit registers the user registration information to the database, which includes the public key certification acquired from the certification authority that has jurisdiction over each party by the request from the transaction party including seller, buyer, and transportation company. A transfer registration processor unit changes the access right holder and the cargo owner of the shipment information registered to the database at the start of transaction in compliance with the request for request for changing registration of the party with the digital signature and public key certification attached. A verification processor unit achieves the transfer registration with legal binding power by verifying that the digital signature attached to the request for request for changing registration has been prepared by the private key which makes a pair with the public key certificate registered to the database and receiving the approval of the other party.

公开(公告)号：US20110199360A1

公开(公告)日：2011-08-18

申请号：US12929663

申请日：2011-02-07

申请人： Hirofumi Fujiwara

发明人： Hirofumi Fujiwara

IPC分类号： G09G3/36 ,  G06F3/038

CPC分类号： G09G3/3688 ,  G09G3/3614 ,  G09G2310/027 ,  G09G2310/0289 ,  G09G2310/0291

摘要： A source driver is provided with: a D/A converter outputting a gray-level voltage corresponding to pixel data; and a source amplifier outputting a drive voltage in response to the gray-level voltage. The source amplifier includes: an NMOS differential pair including first and second NMOS transistors; a PMOS differential pair including first and second PMOS transistors; an output circuitry outputting a drive voltage in response to currents flowing through the NMOS and PMOS differential pairs; a first input level conversion circuit generating a first level-converted voltage through input level conversion on the gray-level voltage in response to the gray-level voltage and/or a polarity of the drive voltage defined with respect to a common level on an opposite electrode of a liquid crystal display panel and feeding the first level-converted voltage to gates of the first NMOS transistor and the first PMOS transistor; and a second input level conversion circuit generating a second level-converted voltage through input level conversion on the drive voltage in response to the gray-level voltage and/or the polarity of the drive voltage and feeding the second level-converted voltage to gates of the second NMOS transistor and the second PMOS transistor.

摘要翻译： 源驱动器具有：D / A转换器，其输出与像素数据相对应的灰度级电压; 以及源极放大器，其响应于灰度级电压输出驱动电压。 源极放大器包括：包括第一和第二NMOS晶体管的NMOS差分对; 包括第一和第二PMOS晶体管的PMOS差分对; 输出电路，响应于流经所述NMOS和PMOS差分对的电流输出驱动电压; 第一输入电平转换电路，响应于灰度级电压和/或相对于相对的公共电平而定义的驱动电压的极性，通过灰度电平上的输入电平转换来产生第一电平转换电压 电极，并且将第一电平转换电压馈送到第一NMOS晶体管和第一PMOS晶体管的栅极; 以及第二输入电平转换电路，其响应于所述驱动电压的灰度电压和/或所述驱动电压的极性而通过对所述驱动电压的输入电平转换来产生第二电平转换电压，并将所述第二电平转换电压馈送到 第二NMOS晶体管和第二PMOS晶体管。

公开(公告)号：US20090066408A1

公开(公告)日：2009-03-12

申请号：US12213662

申请日：2008-06-23

申请人： Hirofumi Fujiwara

发明人： Hirofumi Fujiwara

IPC分类号： G05F3/02

CPC分类号： H02M3/07 ,  H01L27/0222

摘要： Boosting operation of a charge pump is performed at a fixed period irrespective of the state of a load. A regulator for controlling a charge pump includes: a frequency dividing circuit generating a frequency-divided clock having a period that is twice that of a boost clock; a voltage dividing circuit generating a plurality of divided voltages having voltage values that differ from one another; a comparator circuit comparing each of the divided voltages and a reference voltage and outputting a plurality of comparison-result signals; a selection signal generating circuit reading in logic of each of the comparison-result signals in synch with an edge of the frequency-divided clock and outputting selection signals; a duty converting circuit outputting a plurality of clocks having different ON duties; a selector selecting any one of the plurality of clocks or “H”-level logic as a PWM signal based upon the selection signals; and a gate circuit taking the logical AND between the frequency-divided clock and the PWM signal and generating control signals for controlling series-parallel switching.

摘要翻译： 与负载状态无关地以固定周期执行电荷泵的升压操作。 用于控制电荷泵的调节器包括：分频电路，其产生具有两倍于升压时钟的周期的分频时钟; 产生具有彼此不同的电压值的多个分压电压的分压电路; 比较分压电压和参考电压的比较电路，并输出多个比较结果信号; 每个比较结果信号的逻辑读取与所述分频时钟的边沿同步并输出选择信号的选择信号发生电路; 输出具有不同ON占空比的多个时钟的占空比转换电路; 选择器，其基于所述选择信号选择所述多个时钟中的任何一个或“H”级逻辑作为PWM信号; 并且选择在分频时钟和PWM信号之间进行逻辑“与”并产生用于控制串联并行切换的控制信号的门电路。

公开(公告)号：US07183837B2

公开(公告)日：2007-02-27

申请号：US11017854

申请日：2004-12-22

申请人： Hirofumi Fujiwara

发明人： Hirofumi Fujiwara

IPC分类号： G05F3/16

CPC分类号： H02M3/07 ,  H02M2001/009 ,  H02M2003/071

摘要： In an embodiment of the invention, a charge pump circuit has a latch-up prevention circuit. The latch-up prevention circuit has a depletion P-channel MOS transistor and a resistor serially connected with each other between a negative output terminal and a ground terminal. A first bidirectional PNP-transistor is connected between a back gate of the depletion MOS transistor and the ground terminal. A second bidirectional PNP-transistor is connected between the back gate of the depletion MOS transistor and the negative output terminal. A third bidirectional PNP-transistor is between the ends of the resistor to bypass it. The base of the first bidirectional PNP-transistor is connected to the negative output terminal, the gate of the depletion MOS transistor and the bases of the second and third bidirectional PNP-transistors are connected to the ground terminal.

摘要翻译： 在本发明的一个实施例中，电荷泵电路具有闩锁防止电路。 闩锁防止电路具有耗尽P沟道MOS晶体管和在负极输出端子和接地端子之间彼此串联连接的电阻器。 第一双向PNP晶体管连接在耗尽型MOS晶体管的背栅极和接地端子之间。 第二双向PNP晶体管连接在耗尽型MOS晶体管的背栅和负输出端之间。 第三个双向PNP晶体管位于电阻旁边的旁路之间。 第一双向PNP晶体管的基极连接到负输出端，耗尽MOS晶体管的栅极和第二和第三双向PNP晶体管的基极连接到接地端子。

公开(公告)号：US20050140426A1

公开(公告)日：2005-06-30

申请号：US11017854

申请日：2004-12-22

申请人： Hirofumi Fujiwara

发明人： Hirofumi Fujiwara

IPC分类号： H02M3/155 ,  G05F3/02 ,  H02M3/07

CPC分类号： H02M3/07 ,  H02M2001/009 ,  H02M2003/071

摘要： In an embodiment of the invention, a charge pump circuit has a latch-up prevention circuit. The latch-up prevention circuit has a depletion P-channel MOS transistor and a resistor serially connected with each other between a negative output terminal and a ground terminal. The first bidirectional PNP-transistor is connected between the back gate of the depletion MOS transistor and the ground terminal. The second bidirectional PNP-transistor is connected between the back gate of the depletion MOS transistor and the negative output terminal. The third bidirectional PNP-transistor is between the ends of the resistor to bypass it. The base of the first bidirectional PNP-transistor is connected to the negative output terminal, the gate of the depletion MOS transistor and the bases of the second and third bidirectional PNP-transistors are connected to the ground terminal.

摘要翻译： 在本发明的一个实施例中，电荷泵电路具有闩锁防止电路。 闩锁防止电路具有耗尽P沟道MOS晶体管和在负极输出端子和接地端子之间彼此串联连接的电阻器。 第一双向PNP晶体管连接在耗尽型MOS晶体管的背栅极和接地端子之间。 第二双向PNP晶体管连接在耗尽型MOS晶体管的背栅和负输出端之间。 第三个双向PNP晶体管位于电阻端的旁边。 第一双向PNP晶体管的基极连接到负输出端，耗尽MOS晶体管的栅极和第二和第三双向PNP晶体管的基极连接到接地端子。

公开(公告)号：US08475722B2

公开(公告)日：2013-07-02

申请号：US12756771

申请日：2010-04-08

申请人： Haruyuki Nakanishi ,  Norihiko Nakamura ,  Hidekazu Arikawa ,  Hirofumi Fujiwara ,  Hidehito Kubo ,  Keiji Toh ,  Akiko Kumano ,  Shohei Matsumoto

发明人： Haruyuki Nakanishi ,  Norihiko Nakamura ,  Hidekazu Arikawa ,  Hirofumi Fujiwara ,  Hidehito Kubo ,  Keiji Toh ,  Akiko Kumano ,  Shohei Matsumoto

IPC分类号： B01J19/08 ,  B01J19/12 ,  C01B3/04

CPC分类号： B01J19/127 ,  B01J19/2475 ,  B01J2219/0875 ,  B01J2219/0877 ,  B01J2219/0892 ,  C01B3/042 ,  C01B2203/0405 ,  Y02E60/364

摘要： The present invention provides a hydrogen generation device using a photocatalyst to generate hydrogen from liquid water or water vapor and a method of using the same. The hydrogen generation device of the present invention has a water channel through which liquid water or water vapor flows, and which has an outer circumferential wall made at least in part of a transparent material; a hydrogen channel through which hydrogen flows and which is located at the inner circumference side of the water channel; a hydrogen separating membrane forming at least part of a wall between the water channel and hydrogen channel, separating hydrogen from the liquid water or water vapor in the water channel, and providing the hydrogen to the hydrogen channel; and a photocatalyst layer arranged on least at part of the water channel-side surface of the hydrogen separating membrane.

摘要翻译： 本发明提供一种使用光催化剂从液态水或水蒸汽中生成氢的氢生成装置及其使用方法。 本发明的氢生成装置具有液体水或水蒸汽流过的水通道，具有至少部分由透明材料制成的外周壁; 氢气通过氢通道，位于水通道的内周侧; 氢分离膜，其形成水通道和氢通道之间的壁的至少一部分，从水通道中的液态水或水蒸汽中分离出氢气，并向氢气通道提供氢气; 以及设置在氢分离膜的至少一部分水通道侧表面上的光催化剂层。

公开(公告)号：US07855532B2

公开(公告)日：2010-12-21

申请号：US11808105

申请日：2007-06-06

申请人： Hirofumi Fujiwara

发明人： Hirofumi Fujiwara

IPC分类号： H02J7/00

CPC分类号： H02M3/07

摘要： A power supply circuit includes a first power supply configured to output a first voltage; a second power supply provided separately from the first power supply to output a second voltage; and a boosting circuit configured to use the first voltage as an input voltage to boost the input voltage toward a target voltage. The target voltage has a voltage width, and when an output voltage of the boosting circuit exceeds an upper limit of the target voltage, the input voltage is switched the first voltage of the first power supply to the second voltage of the second power supply.

摘要翻译： 电源电路包括被配置为输出第一电压的第一电源; 与所述第一电源分开设置的用于输出第二电压的第二电源; 以及升压电路，被配置为使用所述第一电压作为输入电压，以将所述输入电压升压到目标电压。 目标电压具有电压宽度，并且当升压电路的输出电压超过目标电压的上限时，输入电压将第一电源的第一电压切换到第二电源的第二电压。

公开(公告)号：US07663427B2

公开(公告)日：2010-02-16

申请号：US12000612

申请日：2007-12-14

申请人： Hirofumi Fujiwara

发明人： Hirofumi Fujiwara

IPC分类号： G05F1/10 ,  G05F3/02

CPC分类号： H02M3/07 ,  H02M2003/071

摘要： A charge pump type booster circuit generates a positive or negative boosted output voltage by switching booster paths one by one. This charge pump type booster circuit includes a plurality of booster paths, each of the plurality of booster paths including at least one booster capacitor, wherein a number of the booster capacitor at each of the plurality of booster paths is different between one booster path and the other booster path. This makes it possible to suppress an increase in a number of an external capacitor for setting an output voltage of the booster circuit constant.

摘要翻译： 电荷泵式升压电路通过逐个切换增压路径产生正或负升压输出电压。 该电荷泵式升压电路包括多个升压路径，所述多个升压路径中的每一个包括至少一个升压电容器，其中，所述多个升压路径中的每一个上的多个升压电容器在一个升压路径与 其他增强路径。 这使得可以抑制用于设置升压电路的输出电压的外部电容器的数量的增加恒定。

公开(公告)号：US07505290B2

公开(公告)日：2009-03-17

申请号：US11480458

申请日：2006-07-05

申请人： Hirofumi Fujiwara

发明人： Hirofumi Fujiwara

IPC分类号： H02M3/18

CPC分类号： H02M3/07

摘要： In a power supply apparatus, a charge-pump type step-up circuit is adapted to charge a step-up capacitor by a power supply voltage, step up a charged voltage of the step-up capacitor using a charge-pump operation, and discharge a stepped-up voltage to a smoothing capacitor. A regulator has a first comparator adapted to compare a voltage corresponding to an output voltage of the step-up circuit with a reference voltage to generate a comparison output signal and skip a clock signal in accordance with the comparison output signal, so that the output voltage of the step-up circuit is brought close to a target voltage. Discharging of the smoothing capacitor is carried out through a resistor with a predetermined time constant when the output voltage of the step-up circuit is between the target voltage and a voltage lower than the target voltage by a predetermined value.

摘要翻译： 在电源装置中，电荷泵式升压电路用于通过电源电压对升压电容器充电，使用电荷泵运行来升压升压电容器的充电电压，并且放电 对平滑电容器的升压电压。 调节器具有第一比较器，其适于将对应于升压电路的输出电压的电压与参考电压进行比较，以产生比较输出信号，并根据比较输出信号跳过时钟信号，使得输出电压 的升压电路接近目标电压。 当升压电路的输出电压在目标电压和低于目标电压的电压之间达预定值时，平滑电容器的放电通过具有预定时间常数的电阻器进行。

公开(公告)号：US20080007980A1

公开(公告)日：2008-01-10

申请号：US11480458

申请日：2006-07-05

申请人： Hirofumi Fujiwara

发明人： Hirofumi Fujiwara

IPC分类号： H02M3/18

CPC分类号： H02M3/07

摘要： In a power supply apparatus, a charge-pump type step-up circuit is adapted to charge a step-up capacitor by a power supply voltage, step up a charged voltage of the step-up capacitor using a charge-pump operation, and discharge a stepped-up voltage to a smoothing capacitor. A regulator has a first comparator adapted to compare a voltage corresponding to an output voltage of the step-up circuit with a reference voltage to generate a comparison output signal and skip a clock signal in accordance with the comparison output signal, so that the output voltage of the step-up circuit is brought close to a target voltage. Discharging of the smoothing capacitor is carried out through a resistor with a predetermined time constant when the output voltage of the step-up circuit is between the target voltage and a voltage lower than the target voltage by a predetermined value.

摘要翻译： 在电源装置中，电荷泵式升压电路用于通过电源电压对升压电容器充电，使用电荷泵运行来升压升压电容器的充电电压，并且放电 对平滑电容器的升压电压。 调节器具有第一比较器，其适于将对应于升压电路的输出电压的电压与参考电压进行比较，以产生比较输出信号，并根据比较输出信号跳过时钟信号，使得输出电压 的升压电路接近目标电压。 当升压电路的输出电压在目标电压和低于目标电压的电压之间达预定值时，平滑电容器的放电通过具有预定时间常数的电阻器进行。