专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20070216325A1 MOTOR DRIVE DEVICE AND MOTOR DRIVE METHOD 有权
标题翻译：电机驱动装置和电机驱动方法
公开(公告)号：US20070216325A1
公开(公告)日：2007-09-20
申请号：US11683667
申请日：2007-03-08
申请人： Shingo FUKAMIZU , Yasunori YAMAMOTO , Hideaki MORI , Shinichi KUROSHIMA
发明人： Shingo FUKAMIZU , Yasunori YAMAMOTO , Hideaki MORI , Shinichi KUROSHIMA
IPC分类号： H02P7/06
CPC分类号： H02P6/182 , H02P6/21
摘要： Problems with accuracy reading position detection signal peaks and minute phase differences in the detection current make motor drive control easily susceptible to differences in motor characteristics. The rotor position is determined based on whether or not a terminal difference voltage, which is the difference voltage between the motor terminal voltage and the pseudo-neutral-point voltage when the motor phases are selectively energized, exceeds a specific threshold value. The phase energized to start the motor is determined based on this determination and the motor is energized accordingly to start. Instead of switching directly from the search step at the initial rotor position to the back-EMF voltage mode, a search and start mode that creates initial rotor speed sufficient to start the motor is executed before entering the back-EMF voltage mode.
摘要翻译：读取位置检测信号峰值和检测电流的微小相位差的问题使电机驱动控制容易受到电机特性的差异的影响。转子位置是基于当电动机相位选择性地通电时电动机端子电压和伪中性点电压之间的差分电压是否超过特定阈值来确定终端差值电压。基于该确定确定启动电动机的相位，相应地启动电动机起动。代替直接从初始转子位置处的搜索步骤切换到反电动势电压模式，在进入反电动势电压模式之前执行产生足以启动电动机的初始转子速度的搜索和启动模式。

2. 发明申请

US20070194731A1 MOTOR DRIVE METHOD 审中-公开
标题翻译：电机驱动方式
公开(公告)号：US20070194731A1
公开(公告)日：2007-08-23
申请号：US11676680
申请日：2007-02-20
申请人： Shingo FUKAMIZU , Yasunori YAMAMOTO , Shinichi KUROSHIMA
发明人： Shingo FUKAMIZU , Yasunori YAMAMOTO , Shinichi KUROSHIMA
IPC分类号： H02P7/06
CPC分类号： H02P6/182 , H02P6/21 , H02P6/22
摘要： Problems with accuracy reading position detection signal peaks and minute phase differences in the detection current make motor drive control easily susceptible to differences in motor characteristics. The rotor position is determined based on whether or not a neutral point difference voltage, which is the difference voltage between the neutral point voltage and the pseudo-neutral-point voltage when the motor phases are selectively energized, exceeds a specific threshold value. The phase energized to start the motor is determined based on this determination and the motor is energized accordingly to start. Instead of switching directly from the search step at the initial rotor position to the back-EMF voltage mode, a search and start mode that creates initial rotor speed sufficient to start the motor is executed before entering the back-EMF voltage mode.
摘要翻译：读取位置检测信号峰值和检测电流的微小相位差的问题使电机驱动控制容易受到电机特性的差异的影响。转子位置是基于当电动机相位被选择性地通电时中性点电压和伪中性点电压之间的差分电压是否中性点差电压是否超过特定阈值来确定。基于该确定确定启动电动机的相位，相应地启动电动机起动。代替直接从初始转子位置处的搜索步骤切换到反电动势电压模式，在进入反电动势电压模式之前执行产生足以启动电动机的初始转子速度的搜索和启动模式。

3. 发明申请

US20070229004A1 MOTOR DRIVING APPARATUS, MOTOR DRIVING METHOD AND DISK DRIVING APPARATUS 有权
标题翻译：电动机驱动装置，电动机驱动方法和盘驱动装置
公开(公告)号：US20070229004A1
公开(公告)日：2007-10-04
申请号：US11679939
申请日：2007-02-28
申请人： Shingo FUKAMIZU , Yasunori YAMAMOTO , Shinichi KUROSHIMA
发明人： Shingo FUKAMIZU , Yasunori YAMAMOTO , Shinichi KUROSHIMA
IPC分类号： H02P7/06
CPC分类号： H02P6/182 , G11B19/2054
摘要： A motor driving apparatus includes a neutral point difference voltage detecting unit operable to detect a difference voltage between a virtual neutral point of a resistor circuit connected in parallel to motor coils and an actual neutral point which is a common connection point of the motor coils, a rotor position detecting unit operable to detect a position of the rotor based on the difference voltage, and a controller operable to control commutation of an inverter. A rotation start torque applying process applies a rotation start pulse for providing rotation torque to the rotor based on a determined rotor position.
摘要翻译：电动机驱动装置包括：中性点差电压检测单元，用于检测与电动机线圈并联连接的电阻电路的虚拟中性点与作为电动机线圈的公共连接点的实际中性点之间的差分电压，转子位置检测单元，其可操作以基于所述差电压检测所述转子的位置;以及控制器，其可操作以控制逆变器的换向。旋转启动转矩施加处理基于确定的转子位置对转子施加用于提供旋转扭矩的旋转开始脉冲。

4. 发明申请

US20070126383A1 MOTOR DRIVE DEVICE AND DRIVE METHOD 有权
标题翻译：电机驱动装置和驱动方法
公开(公告)号：US20070126383A1
公开(公告)日：2007-06-07
申请号：US11548495
申请日：2006-10-11
申请人： Go TAKATA , Hideaki MORI , Yasunori YAMAMOTO
发明人： Go TAKATA , Hideaki MORI , Yasunori YAMAMOTO
IPC分类号： H02P3/14
CPC分类号： H02P6/182
摘要： A reverse current detection unit detects the direction of the motor current during the synchronous rectifier period based on the polarity of the on voltage of a switching device contained in the motor current path, and outputs a reverse current detection signal representing the result of this detection to the PWM control unit. Change in the output of the PWM control unit that generates the drive signal for a particular switching device in the drive unit is controlled based on the reverse current detection signal and the energizing pattern of the drive unit is changed when motor current is detected in the synchronous rectifier period to be flowing in the opposite direction as in the urging period. The flow of motor current to the power supply is thus reduced and a rise in the power supply voltage can be prevented.
摘要翻译：反向电流检测单元根据电动机电流路径中包含的开关装置的导通电压的极性，在同步整流时段期间检测电动机电流的方向，并将表示该检测结果的反向电流检测信号输出到 PWM控制单元。基于反向电流检测信号来控制产生用于驱动单元中的特定开关装置的驱动信号的PWM控制单元的输出的变化，并且当在同步中检测到电动机电流时，驱动单元的通电模式被改变整流器周期在与施力期相反的方向上流动。电动机电流流向电源因此减少，并且可以防止电源电压的上升。

5. 发明申请

US20090218972A1 METHOD AND APPARATUS FOR DETECTING REVERSE CURRENT, AND METHOD AND APPARATUS FOR DRIVING MOTOR 审中-公开
标题翻译：用于检测反向电流的方法和装置，以及用于驱动电动机的方法和装置
公开(公告)号：US20090218972A1
公开(公告)日：2009-09-03
申请号：US12389832
申请日：2009-02-20
申请人： Yasunori YAMAMOTO , Hisanori Nagase , Hideaki Mori
发明人： Yasunori YAMAMOTO , Hisanori Nagase , Hideaki Mori
IPC分类号： H02P6/14
CPC分类号： H02P6/14
摘要： A reverse current detection apparatus determines whether an electrical conduction control to a motor coil of a motor is in a predetermined state based on a timing signal representing a timing at which to conduct a source current or a sink current through the motor coil and a control signal for a half bridge in a power stage, and compares the output voltage of the power stage with a threshold value, so as to detect the presence/absence of a reverse flow of a phase current based on these results. A motor driving apparatus for driving a motor under a PWM control includes a rectification switching section for switching a rectification scheme from one to another based on the reverse current detection apparatus and a detection result thereof.
摘要翻译：反向电流检测装置基于表示通过电动机线圈进行源极电流或吸收电流的定时的定时信号以及控制信号来判定对电动机的电动机线圈的导通控制是否处于预定状态对于功率级的半桥，并且将功率级的输出电压与阈值进行比较，以便基于这些结果来检测相电流的反向流动的存在/不存在。用于在PWM控制下驱动电动机的电机驱动装置包括：整流转换部分，用于根据反向电流检测装置及其检测结果从一个到另一个切换整流方案。

6. 发明申请

US20070126384A1 MOTOR DRIVE DEVICE AND DRIVE METHOD 有权
标题翻译：电机驱动装置和驱动方法
公开(公告)号：US20070126384A1
公开(公告)日：2007-06-07
申请号：US11548500
申请日：2006-10-11
申请人： Go TAKATA , Hideaki MORI , Yasunori YAMAMOTO
发明人： Go TAKATA , Hideaki MORI , Yasunori YAMAMOTO
IPC分类号： H02P7/00
CPC分类号： H02P27/08
摘要： A rise in the power supply voltage as a result of a sudden speed reducing command causing the motor current to flow to the power supply is prevented. The motor drive device has a drive signal generating unit for generating a drive signal by an energizing control unit, PWM control unit, and oscillation unit; a drive unit for producing drive power to drive the motor based on the drive signal; a torque control signal generating unit for generating a torque control signal specifying the motor torque; a speed detection unit for detecting the rotational speed of the motor and generating a rotational speed signal denoting motor speed information; and a decision unit for generating a speed difference detection signal denoting the difference between the torque control signal and the rotational speed signal. The drive signal generating unit is controlled based on the speed difference detection signal.
摘要翻译：防止由于导致电动机电流流向电源的突然减速指令导致的电源电压的上升。电机驱动装置具有用于通过激励控制部，PWM控制部和振荡部产生驱动信号的驱动信号生成部; 驱动单元，用于基于所述驱动信号产生用于驱动所述马达的驱动力; 转矩控制信号发生单元，用于产生指定电动机转矩的转矩控制信号; 速度检测单元，用于检测电动机的转速并产生表示电动机速度信息的转速信号; 以及判定单元，用于生成表示转矩控制信号和转速信号之间的差的速度差检测信号。基于速度差检测信号来控制驱动信号生成部。

7. 发明申请

US20080126905A1 MEMORY CONTROL DEVICE, COMPUTER SYSTEM AND DATA REPRODUCING AND RECORDING DEVICE 审中-公开
标题翻译：存储控制装置，计算机系统和数据再现和记录装置
公开(公告)号：US20080126905A1
公开(公告)日：2008-05-29
申请号：US11946148
申请日：2007-11-28
申请人： Naoto DEGUCHI , Keizo SUMIDA , Yasunori YAMAMOTO
发明人： Naoto DEGUCHI , Keizo SUMIDA , Yasunori YAMAMOTO
IPC分类号： G06F11/00
CPC分类号： G06F11/1044
摘要： The memory control device according to the present invention reads data including an error correcting code from a memory and includes: an error correcting unit which detects an error in the data and corrects the detected error in the data, based on the error correcting code, and sends the error detected and error corrected data to the outside; and a selector which selects whether to send the data read from the memory to the error correcting unit or to the outside.
摘要翻译：根据本发明的存储器控制装置从存储器读取包括纠错码的数据，包括：纠错单元，其基于纠错码检测数据中的错误并校正检测到的错误，以及将检测到的错误和纠错数据发送到外部; 以及选择器，其选择是否将从存储器读取的数据发送到纠错单元或者向外部发送。

8. 发明申请

US20120070659A1 PRESSURE-SENSITIVE ADHESIVE SHEET 审中-公开
标题翻译：压敏粘合片
公开(公告)号：US20120070659A1
公开(公告)日：2012-03-22
申请号：US13235596
申请日：2011-09-19
申请人： Yoshio NAKAGAWA , Yasunori YAMAMOTO , Masanori UESUGI , Yuka OOSAWA
发明人： Yoshio NAKAGAWA , Yasunori YAMAMOTO , Masanori UESUGI , Yuka OOSAWA
IPC分类号： B32B7/12
CPC分类号： C09J133/08 , C08F220/18 , C08F2220/1858 , C08F2220/1875 , C08G18/3234 , C08G18/44 , C08G18/4854 , C08G18/6279 , C08G18/672 , C08G18/755 , C08G18/757 , C08G2170/40 , C09D175/16 , C09J7/22 , C09J2201/622 , C09J2203/306 , C09J2433/006 , C09J2475/006 , Y10T428/28 , Y10T428/2891 , C08G18/40 , C08G18/48 , C08F2220/1825 , C08F2222/1026 , C08F2222/1086 , C08F220/04 , C08F220/06
摘要： The present invention relates to a pressure-sensitive adhesive sheet containing: a substrate layer comprising a film which contains at least a urethane polymer, and a pressure-sensitive adhesive layer, in which the substrate layer has: (a) a work of 35 to 160 N·mm, the work being calculated from a product of a move amount and a stress until 10% elongation when the substrate layer is elongated at a tensile speed of 200 mm/min; and (b) a stress relaxation time of 30 sec or less, the stress relaxation time being a time for which the stress, after the substrate layer is elongated until 10% at a tensile speed of 200 mm/min and the elongation is held in that state, decreases to 36.8% of the maximum stress.
摘要翻译：本发明涉及一种压敏粘合片，其包含：基材层，其包含至少含有聚氨酯聚合物的膜和粘合剂层，其中所述基材层具有：（a）35〜 160 N·mm，当基材层以200mm / min的拉伸速度拉伸时，从移动量和应力的乘积计算直到10％伸长率的工作; 和（b）30秒以下的应力松弛时间，应力松弛时间是将基材层在200mm /分钟的拉伸速度拉伸至10％之后的应力和伸长率保持的应力松弛时间该状态下降到最大应力的36.8％。

9. 发明申请

US20100052572A1 LIGHT EMITTING ELEMENT DRIVING APPARATUS 审中-公开
标题翻译：发光元件驱动装置
公开(公告)号：US20100052572A1
公开(公告)日：2010-03-04
申请号：US12548781
申请日：2009-08-27
申请人： Shinichiro KATAOKA , Ryuji UEDA , Go TAKATA , Daisuke ITOU , Yasunori YAMAMOTO , Tsukasa KAWAHARA
发明人： Shinichiro KATAOKA , Ryuji UEDA , Go TAKATA , Daisuke ITOU , Yasunori YAMAMOTO , Tsukasa KAWAHARA
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , G09G3/342 , G09G2320/064 , G09G2330/04 , G09G2330/08 , H05B33/0818 , H05B33/0827
摘要： The N light emitting element groups each include one or more light emitting elements. The power source circuit includes a control input terminal and supplies the power source voltage to the N light emitting element groups. The N current driving circuits, each including a feedback output terminal, generate N drive currents for driving the respective N light emitting element groups and generate main feedback voltages at the feedback output terminals based on the power source voltage. The main feedback circuit applies a main feedback signal to the control input terminal based on the N main feedback voltages. The auxiliary feedback circuit applies an auxiliary feedback signal to the control input terminal based on the power source voltage. The power source circuit adjusts the power source voltage based on at least one of the main feedback signal and the auxiliary feedback signal.
摘要翻译： N个发光元件组各自包含一个或多个发光元件。电源电路包括控制输入端子，并将电源电压提供给N个发光元件组。每个包括反馈输出端的N个电流驱动电路产生用于驱动各个N个发光元件组的N个驱动电流，并且基于电源电压在反馈输出端产生主反馈电压。主反馈电路基于N个主反馈电压向控制输入端施加主反馈信号。辅助反馈电路基于电源电压向控制输入端子施加辅助反馈信号。电源电路基于主反馈信号和辅助反馈信号中的至少一个来调整电源电压。

10. 发明申请

US20110291634A1 OVERCURRENT PROTECTION CIRCUIT AND OVERCURRENT PROTECTION METHOD 有权
标题翻译：过流保护电路和过流保护方法
公开(公告)号：US20110291634A1
公开(公告)日：2011-12-01
申请号：US13117606
申请日：2011-05-27
申请人： Go TAKATA , Yasunori YAMAMOTO
发明人： Go TAKATA , Yasunori YAMAMOTO
IPC分类号： G05F1/618
CPC分类号： H02M3/156 , H02M1/32 , H02M2001/0009
摘要： An overcurrent protection circuit includes: a determiner configured to determine whether or not the switch current exceeds a predetermined threshold, that is, the switch current is an overcurrent state when the switching element is turned ON; an OFF period setting counter configured to increase or decrease a counter output depending on a determination result of the determiner; and a drive signal generator configured to generate a drive signal of the switching element such that a length of an ON timing interval of the switching element corresponds to the counter output of the OFF period setting counter.
摘要翻译：过电流保护电路包括：确定器，被配置为确定开关电流是否超过预定阈值，即开关电流是开关元件接通时的过电流状态; 关闭周期设定计数器，被配置为根据所述确定器的确定结果增加或减少计数器输出; 以及驱动信号发生器，被配置为产生所述开关元件的驱动信号，使得所述开关元件的导通定时间隔的长度对应于所述断开周期设定计数器的计数器输出。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式