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公开(公告)号：US08987949B1
公开(公告)日：2015-03-24
申请号：US13219124
申请日：2011-08-26
Applicant: Siew Yong Chui
Inventor： Siew Yong Chui
IPC: H02J9/00
CPC classification number: G05F1/56 , G05F1/577 , Y10T307/406
Abstract: A linear regulator includes a first drive voltage output to drive an analog load, a second drive voltage output to drive a digital load, and a third output to provide a clean source of current. Circuit elements that produce the respective drive voltages may be isolated from each other. In addition, local feedback may be included to compensate for wide swings in circuit loading conditions in the analog load and in the digital load.
Abstract translation: 线性调节器包括用于驱动模拟负载的第一驱动电压输出，驱动数字负载的第二驱动电压输出，以及提供清洁电流源的第三输出。 产生相应驱动电压的电路元件可以彼此隔离。 此外，可以包括局部反馈以补偿模拟负载和数字负载中电路负载条件下的宽摆幅。
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公开(公告)号：US08773110B2
公开(公告)日：2014-07-08
申请号：US13190782
申请日：2011-07-26
Applicant: Siew Yong Chui , Rajesh Tiruvuru
Inventor： Siew Yong Chui , Rajesh Tiruvuru
IPC: G01R19/00
CPC classification number: G01R19/2506 , G01R19/2513 , H02M1/4208 , Y02B70/126
Abstract: Aspects of the disclosure provide method and apparatus for detecting attributes of an input power supply. The method includes receiving a first signal generated based on a second signal that is predictive. The first signal includes a portion that substantially corresponds to the second signal. Further, the method includes detecting attributes of the portion of the first signal that substantially corresponds to the second signal, and determining attributes of the second signal based on the attributes of the portion of the first signal that substantially corresponds to the second signal.
Abstract translation: 本公开的方面提供了用于检测输入电源的属性的方法和装置。 该方法包括接收基于预测的第二信号产生的第一信号。 第一信号包括基本对应于第二信号的部分。 此外，该方法包括检测基本上对应于第二信号的第一信号的部分的属性，以及基于与第二信号基本对应的第一信号的部分的属性来确定第二信号的属性。
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公开(公告)号：US08310389B1
公开(公告)日：2012-11-13
申请号：US13409294
申请日：2012-03-01
Applicant: Siew Yong Chui , Ravishanker Krishnamoorthy , Ying Tian Li
Inventor： Siew Yong Chui , Ravishanker Krishnamoorthy , Ying Tian Li
IPC: H03M1/36
CPC classification number: H02M3/157
Abstract: A system including is plurality of resistors, a plurality of comparators, and a decoder module. The resistors are connected in series between a supply voltage and a common voltage. A first input of each comparator is connected to a reference voltage. A second input of each comparator is respectively connected to one of a plurality of nodes between the resistors. The decoder module is configured to receive an output from each comparator and to output a plurality of bits based on the output of each comparator. Each of the plurality of bits indicates a different one of a plurality of voltage ranges. A present value of the supply voltage lies in one of the plurality of voltage ranges.
Abstract translation: 包括多个电阻器，多个比较器和解码器模块的系统。 电阻器在电源电压和公共电压之间串联连接。 每个比较器的第一个输入端连接到参考电压。 每个比较器的第二输入分别连接到电阻器之间的多个节点之一。 解码器模块被配置为接收来自每个比较器的输出并且基于每个比较器的输出来输出多个位。 多个比特中的每一个表示多个电压范围中的不同的一个。 电源电压的当前值位于多个电压范围中的一个。
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4.发明授权公开(公告)号：US07839102B1
公开(公告)日：2010-11-23
申请号：US12493944
申请日：2009-06-29
Applicant: Sakti Pada Rana , Kuong Hoo, legal representative , Vishnu Kumar , Siew Yong Chui
Inventor： Sakti Pada Rana , Vishnu Kumar , Siew Yong Chui
CPC classification number: G11B21/12
Abstract: A circuit system and process utilizes back electromotive force (BEMF) voltage to assist in safe power down of devices, such as the read/write head in from low factor disk drives or similar devices. The BEMF voltage from a motor device, such as a spindle motor utilized in a circuit using negative voltage to drive some switches, such as positive channel metal oxide semiconductor (“PMOS”) driver transistors, to reduce and/or effectively minimize the on-resistance of the switches while delivering the current from BEMF voltage of the motor to another device, such as a motor that retracts controls a read/write head.
Abstract translation: 电路系统和过程利用反电动势（BEMF）电压来帮助设备的安全断电，例如来自低因素盘驱动器或类似装置的读/写头。 来自电机装置的BEMF电压，例如在使用负电压驱动一些开关的电路中使用的主轴电动机，例如正通道金属氧化物半导体（“PMOS”）驱动器晶体管，以减少和/或有效地最小化在线， 将电流从电动机的BEMF电压传递到另一装置，例如缩回控制读/写头的电动机的开关电阻。
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5.发明授权公开(公告)号：US07602131B1
公开(公告)日：2009-10-13
申请号：US12327860
申请日：2008-12-04
Applicant: Siew Yong Chui
Inventor： Siew Yong Chui
CPC classification number: H02P6/182 , G11B5/5526 , H02P25/034
Abstract: A system includes a current control module that supplies current to a voice coil motor during a first period to rotate an actuator arm in a first rotational direction, that discharges the current from the voice coil motor after the first period, and that generates a control signal a predetermined period after the current is discharged. A back electromagnetic force (bemf) module generates a bemf signal in response to the control signal. A speed control module determines a speed of the actuator arm based on the bemf signal.
Abstract translation: 一种系统包括电流控制模块，该电流控制模块在第一时段期间向音圈电机提供电流，以沿第一旋转方向旋转致动器臂，其在第一周期之后从音圈电机排出电流，并且产生控制信号 电流放电后的预定时间。 反电磁力（bemf）模块响应于控制信号产生一个bemf信号。 速度控制模块基于bemf信号确定致动器臂的速度。
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Patent Agency Ranking
6.发明授权公开(公告)号：US07560883B1
公开(公告)日：2009-07-14
申请号：US12026274
申请日：2008-02-05
Applicant: Kuong Hoo, legal representative , Vishnu Kumar , Siew Yong Chui
Inventor： Sakti Pada Rana
CPC classification number: G11B21/12
Abstract: A circuit system and process utilizes back electromotive force (BEMF) voltage to assist in safe power down of devices, such as the read/write head in from low factor disk drives or similar devices. The BEMF voltage from a motor device, such as a spindle motor utilized in a circuit using negative voltage to drive some switches, such as positive channel metal oxide semiconductor (“PMOS”) driver transistors, to reduce and/or effectively minimize the on-resistance of the switches while delivering the current from BEMF voltage of the motor to another device, such as a motor that retracts controls a read/write head.
Abstract translation: 电路系统和过程利用反电动势（BEMF）电压来帮助设备的安全断电，例如来自低因素盘驱动器或类似装置的读/写头。 来自电机装置的BEMF电压，例如在使用负电压驱动一些开关的电路中使用的主轴电动机，例如正通道金属氧化物半导体（“PMOS”）驱动器晶体管，以减少和/或有效地最小化在线， 将电流从电动机的BEMF电压传递到另一装置，例如缩回控制读/写头的电动机的开关电阻。
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7.发明授权公开(公告)号：US07466095B1
公开(公告)日：2008-12-16
申请号：US11455476
申请日：2006-06-19
Applicant: Siew Yong Chui
Inventor： Siew Yong Chui
CPC classification number: H02P6/182 , G11B5/5526 , H02P25/034
Abstract: A system and method for controlling an actuator includes a control module that communicates with a plurality of switching devices to generate current through a voice coil motor during a first time period so that an actuator arm rotates in a first rotational direction in response to the current. The control module controls the switching devices to discharge the current from the voice coil motor during a second time period less than the first time period so that the first rotational direction of the actuator arm is maintained after discharging the current. The control module further includes a back electromagnetic force (bemf) module for determining a bemf voltage after controlling the switching devices to discharge the current, and an actuator arm speed control module for determining an actuator arm speed in response to the bemf voltage.
Abstract translation: 用于控制致动器的系统和方法包括控制模块，其与多个开关装置通信，以在第一时间段内产生通过音圈电机的电流，使得致动器臂响应于电流在第一旋转方向上旋转。 所述控制模块控制所述开关装置在小于所述第一时间段的第二时间段期间从所述音圈电动机放电电流，使得在放电后维持所述致动器臂的所述第一旋转方向。 控制模块还包括用于在控制开关装置以释放电流之后确定电压的反电磁力（bemf）模块，以及用于响应于电压而确定致动器臂速度的致动器臂速度控制模块。
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8.发明授权公开(公告)号：US07327106B1
公开(公告)日：2008-02-05
申请号：US11797196
申请日：2007-05-01
Applicant: Kuong Hoo, legal representative , Vishnu Kumar , Siew Yong Chui
Inventor： Sakti Pada Rana, deceased
CPC classification number: G11B21/12
Abstract: A circuit system and process utilizes back electromotive force (BEMF) voltage to assist in safe power down of devices, such as the read/write head in from low factor disk drives or similar devices. The BEMF voltage from a motor device, such as a spindle motor utilized in a circuit using negative voltage to drive some switches, such as positive channel metal oxide semiconductor (“PMOS”) driver transistors, to reduce and/or effectively minimize the on-resistance of the switches while delivering the current from BEMF voltage of the motor to another device, such as a motor that retracts controls a read/write head.
Abstract translation: 电路系统和过程利用反电动势（BEMF）电压来帮助设备的安全断电，例如来自低因素盘驱动器或类似装置的读/写头。 来自电机装置的BEMF电压，例如在使用负电压驱动一些开关的电路中使用的主轴电动机，例如正通道金属氧化物半导体（“PMOS”）驱动器晶体管，以减少和/或有效地最小化在线， 将电流从电动机的BEMF电压传递到另一装置，例如缩回控制读/写头的电动机的开关电阻。
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公开(公告)号：US08981484B2
公开(公告)日：2015-03-17
申请号：US13467666
申请日：2012-05-09
Applicant: Sehat Sutardja , Ravishanker Krishnamoorthy , Siew Yong Chui
Inventor： Sehat Sutardja , Ravishanker Krishnamoorthy , Siew Yong Chui
CPC classification number: H01L27/0266 , H01L27/0288 , H01L29/0847 , H01L29/0878 , H01L29/66659 , H01L29/66681 , H01L29/7817 , H01L29/7835 , H01L2924/0002 , H01L2924/00
Abstract: An integrated circuit (IC) including a well region of the IC having a first doping level and a plurality of semiconductor regions implanted in the well region. Each of the plurality of semiconductor regions has a second doping level. The second doping level is greater than the first doping level. A plurality of polysilicon regions are arranged on the plurality of semiconductor regions. The polysilicon regions are respectively connected to the semiconductor regions. The plurality of semiconductor regions is a drain of a metal-oxide semiconductor field-effect transistor (MOSFET).
Abstract translation: 一种集成电路（IC），包括具有第一掺杂级的IC的阱区和植入阱区的多个半导体区。 多个半导体区域中的每一个具有第二掺杂水平。 第二掺杂水平大于第一掺杂水平。 多个多晶硅区域布置在多个半导体区域上。 多晶硅区域分别连接到半导体区域。 多个半导体区域是金属氧化物半导体场效应晶体管（MOSFET）的漏极。
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公开(公告)号：US08791738B2
公开(公告)日：2014-07-29
申请号：US13557265
申请日：2012-07-25
Applicant: Siew Yong Chui , Jun Li
Inventor： Siew Yong Chui , Jun Li
IPC: H03K3/02
CPC classification number: H02M1/36 , H02H7/222 , H03K17/0822 , H03K2017/6875
Abstract: Aspects of the disclosure provide a circuit. The circuit includes a depletion mode transistor coupled to a power supply and a current path coupled with the depletion mode transistor in series to provide a current to charge a capacitor. The current path has a first resistance during a first stage, such as when the circuit initially receives power, and has a second resistance during a second stage when the capacitor is charged to have a predetermined voltage level.
Abstract translation: 本公开的方面提供电路。 电路包括耦合到电源的耗尽型晶体管和与耗尽型晶体管串联连接的电流通路，以提供电流来对电容器充电。 电流路径在第一级期间具有第一电阻，例如当电路最初接收电力时，并且当电容器被充电以具有预定电压电平时，在第二级期间具有第二电阻。
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