专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明申请

US20060062333A1 METHOD AND APPARATUS FOR CHANNEL IMPULSE RESPONSE ESTIMATION IN GSM SYSTEMS 有权
标题翻译： GSM系统中通道冲突响应估计的方法与装置
公开(公告)号：US20060062333A1
公开(公告)日：2006-03-23
申请号：US10907376
申请日：2005-03-30
申请人： Liang Yan
发明人： Liang Yan
IPC分类号： H04L27/06
CPC分类号： H04L25/0212 , H04L25/0228
摘要： A method for estimating channel impulse response (CIR) in a communication system includes converting RF analog signals to obtain baseband digitized signals, sampling the baseband digitized signals according to the symbol period or bit period, cross-correlating at least part of the samples and a predetermined set of training sequence symbols, and calculating the ratio of the maximum square of the modulus (power) value and the second largest value among the outputs of the cross-correlations. If the ratio is larger than a first predetermined value, the method outputs the cross-correlation values as the CIR according to the time step index of the maximum power value, and if the ratio is not larger than the first predetermined value, the method calculates the energy of a predetermined window and outputs the cross-correlation values as the CIR according to the time step index of the maximum energy.
摘要翻译：一种用于估计通信系统中的信道脉冲响应（CIR）的方法包括：转换RF模拟信号以获得基带数字化信号，根据符号周期或比特周期对基带数字化信号进行采样，至少部分样本和预定的训练序列符号集合，并且计算交叉相关的输出中的模量（功率）值和第二最大值的最大平方的比率。如果比率大于第一预定值，则该方法根据最大功率值的时间步长指数输出互相关值作为CIR，如果该比率不大于第一预定值，则该方法计算预定窗口的能量，并根据最大能量的时间步长指数输出互相关值作为CIR。

12. 发明授权

US09034121B2 Low alloy steel for geothermal power generation turbine rotor, and low alloy material for geothermal power generation turbine rotor and method for manufacturing the same 有权
标题翻译：地热发电用转子用低合金钢，地热发电用转子用低合金材料及其制造方法
公开(公告)号：US09034121B2
公开(公告)日：2015-05-19
申请号：US13448770
申请日：2012-04-17
申请人： Satoru Ohsaki , Kazuhiro Miki , Tsukasa Azuma , Koji Kajikawa , Shigeru Suzuki , Masayuki Yamada , Itaru Murakami , Kenichi Okuno , Liang Yan , Reki Takaku , Akihiro Taniguchi , Tetsuya Yamanaka , Makoto Takahashi , Kenichi Imai , Osamu Watanabe , Joji Kaneko
发明人： Satoru Ohsaki , Kazuhiro Miki , Tsukasa Azuma , Koji Kajikawa , Shigeru Suzuki , Masayuki Yamada , Itaru Murakami , Kenichi Okuno , Liang Yan , Reki Takaku , Akihiro Taniguchi , Tetsuya Yamanaka , Makoto Takahashi , Kenichi Imai , Osamu Watanabe , Joji Kaneko
IPC分类号： C22C38/46 , C21D6/00 , C22C38/58 , C22C38/44 , C21D7/13 , C21D1/25 , C21D1/28
CPC分类号： C22C38/58 , C21D1/25 , C21D1/28 , C21D7/13 , C22C38/44 , C22C38/46
摘要： A low alloy steel ingot contains from 0.15 to 0.30% of C, from 0.03 to 0.2% of Si, from 0.5 to 2.0% of Mn, from 0.1 to 1.3% of Ni, from 1.5 to 3.5% of Cr, from 0.1 to 1.0% of Mo, and more than 0.15 to 0.35% of V, and optionally Ni, with a balance being Fe and unavoidable impurities. Performing quality heat treatment including a quenching step and a tempering step to the low alloy steel ingot to obtain a material, which has a grain size number of from 3 to 7 and is free from pro-eutectoid ferrite in a metallographic structure thereof, and which has a tensile strength of from 760 to 860 MPa and a fracture appearance transition temperature of not higher than 40° C.
摘要翻译：低合金钢锭含有0.15〜0.30％的C，0.03〜0.2％的Si，0.5〜2.0％的Mn，0.1〜1.3％的Ni，1.5〜3.5％的Cr，0.1〜1.0 的Mo，以及大于0.15至0.35％的V，以及任选的Ni，余量为Fe和不可避免的杂质。对低合金钢锭进行包括淬火步骤和回火步骤的质量热处理，以获得其金相组织中晶粒数为3至7并且不含共析铁素体的材料，并且其中拉伸强度为760〜860MPa，断裂外观转变温度为40℃以下。

13. 发明授权

US08130189B2 Gate driving device for liquid crystal display 有权
标题翻译：液晶显示器门驱动装置
公开(公告)号：US08130189B2
公开(公告)日：2012-03-06
申请号：US12125202
申请日：2008-05-22
申请人： Yubo Xu , Bongyeol Ryu , Ke Liang , Liang Yan
发明人： Yubo Xu , Bongyeol Ryu , Ke Liang , Liang Yan
IPC分类号： G09G3/36
CPC分类号： G09G3/3677 , G09G2300/0408 , G11C19/28
摘要： The invention relates to a gate driving device for Thin Film Transistor liquid crystal display comprising: a plurality of shift registers directly deposited on an array substrate, said shift registers being composed of effect transistors and a capacitor, obtaining a gate driving signal voltage by controlling an input signal. Said shift register can be realized by 5-layer mask process or 4-layer mask process, by arranging the field effect transistors on the margin part outside the active region on the substrate or at the edge of the substrate, and then directly depositing them on an array substrate. The invention obtains a gate driving signal voltage by the shift registers directly deposited on the substrate, thus overcoming the shortage of the need of driving chips and film layers in the prior art, substantially reducing the production cost for LCD.
摘要翻译：本发明涉及一种用于薄膜晶体管液晶显示器的栅极驱动装置，包括：直接沉积在阵列基板上的多个移位寄存器，所述移位寄存器由效应晶体管和电容器组成，通过控制栅极驱动信号电压获得栅极驱动信号电压输入信号。所述移位寄存器可以通过5层掩模处理或4层掩模处理来实现，通过将场效应晶体管布置在衬底上或基板边缘的有源区域之外的边界部分上，然后将它们直接放置在阵列基板。本发明通过直接沉积在衬底上的移位寄存器获得栅极驱动信号电压，从而克服了现有技术中驱动芯片和膜层的需求的不足，从而大大降低了LCD的生产成本。

14. 发明授权

US08018743B2 Adaptive control for transition between multiple modulation modes in a switching power converter 有权
标题翻译：用于开关功率转换器中多个调制模式之间转换的自适应控制
公开(公告)号：US08018743B2
公开(公告)日：2011-09-13
申请号：US12398878
申请日：2009-03-05
申请人： Xiaoyan Wang , Liang Yan , Junjie Zheng , John William Kesterson , Clarita Poon
发明人： Xiaoyan Wang , Liang Yan , Junjie Zheng , John William Kesterson , Clarita Poon
IPC分类号： H02M3/335 , H02M3/157
CPC分类号： H02M3/33507 , H02M2001/0032 , Y02B70/16
摘要： In a switching power converter, PWM mode and PFM mode are separated into two independent control sections with the control voltage range in each control section determined independently. Each of the PWM and PFM modulation modes cannot operate continuously beyond its boundaries, thereby forming a control gap between the two control sections within which no continuous operation is allowed. In order to supply a load condition within the control gap, the power supply operates at the two boundaries of the control gap. Transition between PWM and PFM modes occurs fast, with low output voltage ripple. No limitation needs to be imposed on the control voltage range in each of the PWM and PFM control sections, because the control parameters in the PWM and PFM control sections need not be matched to one another, due to separation of the PWM and PFM modes by the control gap.
摘要翻译：在开关电源转换器中，PWM模式和PFM模式分为两个独立控制部分，每个控制部分的控制电压范围独立确定。每个PWM和PFM调制模式都不能连续超过其边界，从而在两个控制部分之间形成一个控制间隙，在这两个控制部分之间不允许连续的操作。为了在控制间隙内提供负载条件，电源在控制间隙的两个边界处工作。 PWM和PFM模式之间的转换发生得很快，输出电压波动较小。在PWM和PFM控制部分的每个PWM控制部分的控制电压范围不受限制，因为PWM和PFM控制部分中的控制参数不需要彼此匹配，这是由于PWM和PFM模式的分离控制差距。

15. 发明申请

US20090059632A1 System And Method For Controlling A Current Limit With Primary Side Sensing Using A Hybrid PWM and PFM Control 有权
标题翻译：使用混合PWM和PFM控制的初级侧检测来控制电流限制的系统和方法
公开(公告)号：US20090059632A1
公开(公告)日：2009-03-05
申请号：US12199471
申请日：2008-08-27
申请人： Yong Li , Junjie Zheng , Liang Yan , John Kesterson , Xiao Yan Wang
发明人： Yong Li , Junjie Zheng , Liang Yan , John Kesterson , Xiao Yan Wang
IPC分类号： H02M7/155
CPC分类号： H02M3/33523
摘要： A hybrid constant current control system that uses both pulse width modulation (PWM) and pulse frequency modulation (PFM) control. When transitioning from constant voltage mode to constant current mode the present invention can continue to control using PWM. Thereafter, when the voltage has dropped, the present invention smoothly transitions to PFM mode. The point of transition is based upon the switching frequency and the lowest rated voltage of operation. The system and method avoids very short (narrow) Ton times which ensures accurate constant current (CC) control with bipolar junction transistor (BJT) devices. The present invention also avoids acoustic noise because the switching frequency is maintained at a high enough level to avoid such acoustic noise even when the energy transferred through the transformer is still substantial and the output voltage is not too low. In addition the output current limit is insensitive to variation in the inductance-input voltage ratio, and is minimized against leakage inductance.
摘要翻译：一种采用脉宽调制（PWM）和脉冲频率调制（PFM）控制的混合恒流控制系统。当从恒定电压模式转换到恒定电流模式时，本发明可以使用PWM继续控制。此后，当电压下降时，本发明平滑地转变为PFM模式。转换点基于开关频率和最低额定工作电压。该系统和方法避免了非常短（窄）的Ton次，从而确保使用双极结型晶体管（BJT）器件进行精确的恒定电流（CC）控制。本发明还避免了声学噪声，因为即使当通过变压器传送的能量仍然很大并且输出电压不是太低时，开关频率被保持在足够高的水平以避免这种声学噪声。此外，输出电流限制对电感 - 输入电压比的变化不敏感，并且对漏电感最小化。

16. 发明授权

US07428276B2 Method and apparatus for channel impulse response estimation in GSM systems 有权
标题翻译： GSM系统中信道脉冲响应估计的方法和装置
公开(公告)号：US07428276B2
公开(公告)日：2008-09-23
申请号：US10907376
申请日：2005-03-30
申请人： Liang Yan
发明人： Liang Yan
IPC分类号： H03D1/00
CPC分类号： H04L25/0212 , H04L25/0228
摘要： A method for estimating channel impulse response (CIR) in a communication system includes converting RF analog signals to obtain baseband digitized signals, sampling the baseband digitized signals according to the symbol period or bit period, cross-correlating at least part of the samples and a predetermined set of training sequence symbols, and calculating the ratio of the maximum square of the modulus (power) value and the second largest value among the outputs of the cross-correlations. If the ratio is larger than a first predetermined value, the method outputs the cross-correlation values as the CIR according to the time step index of the maximum power value, and if the ratio is not larger than the first predetermined value, the method calculates the energy of a predetermined window and outputs the cross-correlation values as the CIR according to the time step index of the maximum energy.
摘要翻译：一种用于估计通信系统中的信道脉冲响应（CIR）的方法包括：转换RF模拟信号以获得基带数字化信号，根据符号周期或比特周期对基带数字化信号进行采样，至少部分样本和预定的训练序列符号集合，并且计算交叉相关的输出中的模量（功率）值和第二最大值的最大平方的比率。如果比率大于第一预定值，则该方法根据最大功率值的时间步长指数输出互相关值作为CIR，如果该比率不大于第一预定值，则该方法计算预定窗口的能量，并根据最大能量的时间步长指数输出互相关值作为CIR。

17. 发明申请

US20070142007A1 CONTROL METHOD FOR PRODUCING A RAMP OF OUTPUT POWER AND TRANSMITTER UTILIZING THE SAME 有权
标题翻译：用于产生输出功率的变化的控制方法和使用该功率的变送器
公开(公告)号：US20070142007A1
公开(公告)日：2007-06-21
申请号：US11613211
申请日：2006-12-20
申请人： Liang Yan
发明人： Liang Yan
IPC分类号： H04B1/04 , H01Q11/12
CPC分类号： H04B1/0475 , H04B2001/0416
摘要： A transmitter controlling output power to generate a ramp and a method thereof. The transmitter comprises a baseband module, a transmitter module, and a power amplifier. The baseband module receives a power control level, determines a scaling factor according to the power control level, determines a difference between an upper power limit and lower power limit according to a position on the ramp, and calculates a control signal according to the scaling factor, the lower power limit, and the difference. The transmitter module transmits data. The power amplifier coupled to the baseband module and the transmitter module, outputs the data with the output power according the control signal.
摘要翻译：控制输出功率以产生斜坡的发射机及其方法。发射机包括基带模块，发射机模块和功率放大器。基带模块接收功率控制电平，根据功率控制电平确定缩放因子，根据斜坡上的位置确定上限功率限制和下限功率限制之间的差值，并根据比例因子计算控制信号，功率下限和差异较小。发射机模块发送数据。耦合到基带模块和发射机模块的功率放大器，根据控制信号输出具有输出功率的数据。

18. 发明申请

US20060054498A1 System for preventing adhesion of marine organisms 有权
标题翻译：防止海洋生物附着的系统
公开(公告)号：US20060054498A1
公开(公告)日：2006-03-16
申请号：US11224958
申请日：2005-09-14
申请人： Shuichi Inagaki , Liang Yan , Kenji Sato , Akira Nemoto , Yoshiharu Mikami , Nobuo Yamaga , Tadahiko Oba , Makoto Gomi , Takeo Shimazaki , Kouichi Furugaki , Kenji Kaneda
发明人： Shuichi Inagaki , Liang Yan , Kenji Sato , Akira Nemoto , Yoshiharu Mikami , Nobuo Yamaga , Tadahiko Oba , Makoto Gomi , Takeo Shimazaki , Kouichi Furugaki , Kenji Kaneda
IPC分类号： C23F13/00
CPC分类号： B63B59/045 , B63B59/04
摘要： Plural composite panels are aligned in multiple horizontal rows. Each composite panel includes a titanium panel (anode), an electrical insulating member and a stainless-steel band member. The titanium panels (also, stainless-steel band members) of horizontally adjacent panels overlap each other to be in face-to-face contact. The stainless-steel band members are horizontally connected at different levels to form long negative electrodes (cathode) extending in seawater-flowing direction in an inlet channel. Each stainless-steel band member is exposed to seawater through a gap between vertically adjacent composite panels.
摘要翻译：多个复合面板在多个水平行中对齐。每个复合面板包括钛板（阳极），电绝缘构件和不锈钢带构件。水平相邻面板的钛板（也称为不锈钢带构件）彼此重叠以进行面对面接触。不锈钢带构件以不同的水平水平连接，以在入口通道中形成沿着海水流动方向延伸的长负极（阴极）。每个不锈钢带构件通过垂直相邻的复合板之间的间隙暴露于海水。

19. 发明授权

US06952353B2 Integrated magnetic isolated two-inductor boost converter 失效
标题翻译：集成磁隔离双电感升压转换器
公开(公告)号：US06952353B2
公开(公告)日：2005-10-04
申请号：US10771626
申请日：2004-02-04
申请人： Liang Yan , Bradley M. Lehman
发明人： Liang Yan , Bradley M. Lehman
IPC分类号： H02M3/337 , H02M3/335
CPC分类号： H02M3/3372
摘要： A two-inductor boost converter includes an integrated magnetic core having a three-legged flux-conducting element with an energy-storing gap, for example in the center leg. Two primary windings are disposed on respective legs, such as the outer legs, and are coupled in parallel to one input terminal of the converter. Two series-connected secondary windings are also disposed on the flux-conducting element, and are connected to rectification and filtering circuitry which may have full bridge, full wave, or voltage doubler configuration. Primary-side switches are coupled in series between each primary winding and the other converter input terminal. Control circuitry generates control signals for the primary-side switches, providing for a desired degree of overlapped conduction during each operating cycle along with periods of non-conduction that result in transferring electrical energy to the load. The integrated magnetic core can include additional windings for ancillary functions, such as for flyback operation during start-up.
摘要翻译：双电感升压转换器包括具有例如在中心支路中的具有储能间隙的三脚导磁元件的集成磁芯。两个初级绕组设置在相应的支腿上，例如外部支腿，并且并联连接到转换器的一个输入端子。两个串联的次级绕组也设置在磁通传导元件上，并且连接到可具有全桥，全波或倍压器配置的整流和滤波电路。初级侧开关串联在每个初级绕组和另一个转换器输入端子之间。控制电路产生用于初级侧开关的控制信号，在每个操作周期期间提供期望的重叠导通程度以及导致将电能转移到负载的非导通时段。集成磁芯可以包括用于辅助功能的附加绕组，例如在启动期间的反激操作。

20. 发明申请

US20130242625A1 Adaptive Bipolar Junction Transistor Gain Detection 有权
标题翻译：自适应双极结晶体管增益检测
公开(公告)号：US20130242625A1
公开(公告)日：2013-09-19
申请号：US13419329
申请日：2012-03-13
申请人： Liang Yan , Clarita C. Poon , Hien Huu Bui , Chuanyang Wang , Andrew Kwok-Cheung Lee , John William Kesterson
发明人： Liang Yan , Clarita C. Poon , Hien Huu Bui , Chuanyang Wang , Andrew Kwok-Cheung Lee , John William Kesterson
IPC分类号： H02M1/36
CPC分类号： H05B33/0815 , H02M1/36 , H05B33/0848 , H05B41/2928 , H05B41/3925 , Y02B20/347
摘要： A power converter that controls a collector current of a bipolar junction transistor (BJT) by controlling the base current to the BJT after having determined the gain of the BJT. A gain detection block determines a gain of the BJT during a first mode. A current calculation block generates a current setting for the base current based on the gain of the BJT determined by the gain detection block during a second mode distinct from the first mode. In some embodiments, the power converter may be included in a LED lamp system.
摘要翻译：功率转换器，通过在确定BJT的增益之后控制到BJT的基极电流来控制双极结型晶体管（BJT）的集电极电流。增益检测块在第一模式期间确定BJT的增益。当前计算块基于在与第一模式不同的第二模式期间由增益检测块确定的BJT的增益来产生用于基准电流的当前设置。在一些实施例中，功率转换器可以包括在LED灯系统中。

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