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    • 1. 发明授权
    • Crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, preparing method and use thereof
    • (S)-4-羟基-2-氧代-1-吡咯烷乙酰胺的晶型I的制备方法和用途
    • US09238622B2
    • 2016-01-19
    • US13581821
    • 2010-09-08
    • Chao YouHua FengQi PangLei YeYuying ChenZuyuan RongLei JinNan XuFei LiBo Li
    • Chao YouHua FengQi PangLei YeYuying ChenZuyuan RongLei JinNan XuFei LiBo Li
    • C07D207/273
    • C07D207/273
    • A crystal form I of (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide, or named (S)-oxiracetam, is provided, which is characterized by a powder x-ray diffraction pattern that exhibits data of d-values versus the relative intensities as: 7.075(M), 5.355(S), 5.092(S), 4.590(M), 4.325(M), 4.259(S), 4.041(VS), 3.808(M), 3.542(M), 3.445(M), 3.393(M), 2.972(M), 2.914(S). A method for preparing a crystal form I of (S)-oxiracetam is also provided, which includes preparing the crude product and crystallizing A use of the crystal form I of (S)-oxiracetam in the manufacture of a medicament for preventing and treating memory dysfunction is also provided. Accordingly, the crystal form I of (S)-oxiracetam prepared by the method has high purity of more than 99.3% based on the percentages of the mass, with better efficacy than (S)-oxiracetam for preventing or treating memory dysfunction. Concerning the way of charging materials, adding inorganic base only a few times is simpler and more beneficial to industrial manufacturing and application.
    • 提供(S)-4-羟基-2-氧代-1-吡咯烷乙酰胺的结晶形式I,或称为(S) - 氧西拉坦,其特征在于粉末x射线衍射图,其显示d- 值相对于7.075(M),5.355(S),5.092(S),4.590(M),4.325(M),4.259(S),4.041(VS),3.808(M) ),3.445(M),3.393(M),2.972(M),2.914(S)。 还提供了制备(S) - 氧西拉坦的晶形I的方法,其包括制备粗产物并结晶A(S) - 氧西拉坦的晶型I的用途在制备用于预防和治疗记忆的药物中 还提供功能障碍。 因此,通过该方法制备的(S) - 氧乙酰胺的晶型I基于质量百分比具有高于99.3%的高纯度,与用于预防或治疗记忆功能障碍的(S) - 奥昔西坦相比,具有更好的功效。 关于充电材料的方法,仅添加无机碱几次更简单,更有利于工业制造和应用。
    • 2. 发明授权
    • Optical sensor based on a broadband light source and cascaded waveguide filters
    • 基于宽带光源和级联波导滤波器的光学传感器
    • US09052291B2
    • 2015-06-09
    • US13575602
    • 2011-01-21
    • Jian-Jun HeLei JinMingyu Li
    • Jian-Jun HeLei JinMingyu Li
    • H01P7/00G01D5/353G01K11/00G01N21/77H01P11/00G01J1/04
    • G01N21/7746G01D5/35319G01J1/04G01K11/00H01P7/00H01P11/00H01P11/007H01P11/008
    • An optical sensor based on a broadband light source and cascaded waveguide filters comprises a broadband light source, an input waveguide, a reference ring resonator coupled with the input waveguide, a common bus waveguide coupled with the reference ring resonator, a sensing ring resonator coupled with the common bus waveguide, an output waveguide coupled with the sensing ring resonator, and two optical power detectors. At least a portion of the sensing ring resonator is influenced by the physical parameter to be measured or in contact with an analyte. The variation of the physical parameter to be measured or the variation of the analyte induces a shift of the transmission spectrum of the sensing ring resonator. By using the cascaded filtering effect of the double resonators, the wavelength shift can be translated into a variation of the total output power. Consequently the physical parameter to be measured can be easily deduced.
    • 基于宽带光源和级联波导滤波器的光学传感器包括宽带光源,输入波导,与输入波导耦合的参考环形谐振器,与参考环形谐振器耦合的公共总线波导,耦合到 公共总线波导,与感测环谐振器耦合的输出波导和两个光功率检测器。 感测环谐振器的至少一部分受被测物理参数或与分析物接触的影响。 要测量的物理参数的变化或分析物的变化引起感测环形谐振器的透射光谱的偏移。 通过使用双谐振器的级联滤波效应,波长偏移可以转化为总输出功率的变化。 因此,可以容易地推导要测量的物理参数。
    • 5. 发明授权
    • Portable electronic device
    • 便携式电子设备
    • US08094141B2
    • 2012-01-10
    • US12503865
    • 2009-07-16
    • Lei JinXiong Li
    • Lei JinXiong Li
    • G09G5/00
    • H04M1/0237G06F1/1624G06F1/1677G06F3/0233H04M1/0245H04M2250/12
    • A portable electronic device includes a base segment, a sliding segment, and an input module. The base segment defines more than one indicator. The sliding segment is slidably connected to the base segment and defines a pointer operable to align with an indicator. The input module includes a first magnet, a second magnet, and a sensor. The first magnet is received in the base segment. The second magnet is fixed to the sliding segment to align with the first magnet, and is configured for applying a magnetic force to the first magnet. The sensor is connected to the first magnet to sense the magnetic force and convert the magnetic force into a corresponding electrical signal. The electrical signal is inputted to the electronic device.
    • 便携式电子设备包括基座部分,滑动部分和输入模块。 基准段定义了多个指示符。 滑动段可滑动地连接到基部段并且限定可操作以与指示器对准的指针。 输入模块包括第一磁体,第二磁体和传感器。 第一个磁铁被接收在基座部分。 第二磁体被固定到滑动段以与第一磁体对准,并且被配置为向第一磁体施加磁力。 传感器连接到第一磁体以感测磁力并将磁力转换成相应的电信号。 电信号被输入到电子设备。
    • 9. 发明申请
    • PASSWORD INPUT DEVICE, COMPUTER SECURITY SYSTEM USING THE SAME AND METHOD THEREOF
    • 密码输入设备,计算机安全系统及其方法
    • US20090328201A1
    • 2009-12-31
    • US12491253
    • 2009-06-25
    • LEI JINKIM-YEUNG SIP
    • LEI JINKIM-YEUNG SIP
    • H04L9/32G06F12/14
    • G06F21/316
    • A password input device includes a detection module, a recognition module, and an output module. The detection module is configured for detecting angular velocities and accelerations of hand movement. The recognition module includes a conversion unit, a character database, and an indexing unit. The conversion unit is configured for converting the detected angular velocities and accelerations, in analog format, into usable data. The indexing unit is configured for seeking a character corresponding to user input in the character database according to the usable data, and outputting the corresponding character. The output module is configured for receiving the corresponding characters from the indexing unit and determining the password.
    • 密码输入装置包括检测模块,识别模块和输出模块。 检测模块被配置用于检测手的运动的角速度和加速度。 识别模块包括转换单元,字符数据库和索引单元。 转换单元被配置为将检测到的角速度和模拟格式的加速度转换为可用数据。 索引单元被配置为根据可用数据来寻找与字符数据库中的用户输入相对应的字符,并输出相应的字符。 输出模块被配置为从索引单元接收相应的字符并确定密码。
    • 10. 发明授权
    • Caching run-time variables in optimized code
    • 在优化的代码中缓存运行时变量
    • US07624388B2
    • 2009-11-24
    • US10977527
    • 2004-10-29
    • Cheng-Hsueh A. HsiehLei JinLiping Gao
    • Cheng-Hsueh A. HsiehLei JinLiping Gao
    • G06F9/45
    • G06F8/447
    • In one embodiment, the present invention includes a method for emitting a live range statement into a program for a memory variable to be cached during run-time that has at least one simulation state variable if the memory variable is dynamically mapped, and defining the simulation state variable at a first execution path of the program. In such manner, the program may be optimized using the live range statement and the simulation state variable. Also, a debugger may use the simulation state variables in obtaining and displaying the memory variable from a cache.
    • 在一个实施例中,本发明包括一种将活动范围语句发送到用于在运行期间被缓存的存储器变量的程序的方法,所述存储器变量在存储器变量被动态映射时具有至少一个模拟状态变量,并且定义模拟 状态变量在程序的第一个执行路径。 以这种方式,可以使用生存范围语句和模拟状态变量来优化程序。 此外,调试器可以使用模拟状态变量来从缓存获取和显示存储器变量。