ESD PROTECTION CIRCUIT FOR A SWITCHING POWER CONVERTER
    12.
    发明申请
    ESD PROTECTION CIRCUIT FOR A SWITCHING POWER CONVERTER 有权
    用于开关电源转换器的ESD保护电路

    公开(公告)号:US20110080678A1

    公开(公告)日:2011-04-07

    申请号:US12573501

    申请日:2009-10-05

    CPC classification number: H01L27/0285 H01L2924/0002 H01L2924/00

    Abstract: An ESD protection circuit for a switching power converter which includes a high-side switching element connected between a supply voltage and the switching node, and a low-side switching element connected between the switching node and a common node. A current conduction path couples an ESD event that occurs on the switching node to an ESD sense node, and an ESD sensing circuit coupled to the sense node generates a trigger signal when an ESD event is sensed. A first logic gate keeps the high-side switching element off when the trigger signal indicates the sensing of an ESD event, and a second logic gate causes the low-side switching element to turn on when an ESD event is sensed such that the low-side switching element provides a conductive discharge path between the switching node and common node.

    Abstract translation: 一种用于开关电源转换器的ESD保护电路,包括连接在电源电压和开关节点之间的高侧开关元件,以及连接在开关节点和公共节点之间的低侧开关元件。 电流传导路径将在开关节点上发生的ESD事件耦合到ESD感测节点,并且耦合到感测节点的ESD感测电路在感测到ESD事件时产生触发信号。 当触发信号指示ESD事件的感测时,第一逻辑门保持高侧开关元件关闭,并且当检测到ESD事件时,第二逻辑门使低侧开关元件导通, 侧开关元件在开关节点和公共节点之间提供导电放电路径。

    Method of producing natural β-carotene by fermentation and use thereof
    14.
    发明授权
    Method of producing natural β-carotene by fermentation and use thereof 有权
    通过发酵生产天然和胡萝卜素的方法及其用途

    公开(公告)号:US09290787B2

    公开(公告)日:2016-03-22

    申请号:US14119149

    申请日:2012-05-15

    Abstract: The present invention provides a method for producing and purifying β-carotene by Blakeslea trispora fermentation and use thereof. The method comprises the following steps: a) separately inoculating the Blakeslea trispora strains onto a PDA culture medium so as to obtain a spore suspension; b) propagating spores in a seeding tank so as to obtain seeds for fermentation; c) inoculating the seeds for fermentation onto a fermenter and fermenting said seeds; d) adjusting the fermentation liquid to be basic by using an organic or inorganic base, and filtering so as to obtain wet mycelia; e) treating the wet mycelia with a hydrophobic non-polar organic solvent; f) mixing the wet mycelia with an organic solvent of ester and obtaining a concentrated solution by extracting; g) adding a saturated monohydric alcohol into the concentrated solution, and filtering and crystallizing so as to obtain pure ss-carotene. The content of the ss-carotene in the present invention exceeds 96%, and the yield is above 85%.

    Abstract translation: 本发明提供了通过三孢a菌发酵及其应用来生产和提纯β-胡萝卜素的方法。 该方法包括以下步骤:a)将单孢菌菌株分别接种到PDA培养基上,得到孢子悬浮液; b)在播种槽中繁殖孢子,以获得用于发酵的种子; c)将种子接种发酵到发酵罐上并发酵所述种子; d)通过使用有机或无机碱调节发酵液为碱性,过滤以获得湿菌丝体; e)用疏水性非极性有机溶剂处理湿菌丝体; f)将湿菌丝体与酯的有机溶剂混合,通过萃取获得浓缩溶液; g)向浓缩溶液中加入饱和一元醇,过滤结晶,得到纯β-胡萝卜素。 本发明中β-胡萝卜素的含量超过96%,收率高于85%。

    Switching voltage regulators with hysteretic control for enhanced mode-transition speed and stability
    17.
    发明授权
    Switching voltage regulators with hysteretic control for enhanced mode-transition speed and stability 有权
    开关稳压器具有迟滞控制,提高了模式转换速度和稳定性

    公开(公告)号:US08593123B2

    公开(公告)日:2013-11-26

    申请号:US12979167

    申请日:2010-12-27

    Applicant: Jia Chen Bin Shao

    Inventor: Jia Chen Bin Shao

    CPC classification number: H02M3/1563

    Abstract: Switching voltage regulator embodiments are provided with hysteretic control to thereby switch between pulse-width modulation and pulse-frequency modulation operational modes. The switching is in response to different levels of an error voltage Verr in the feedback loop of voltage regulators. The hysteretic control is configured to provide a dc hysteretic response to changes in the error voltage Verr and also an ac hysteretic response to these changes. These two responses can be independently set to thereby enhance operational speed of the voltage regulators and also enhance immunity to transient noise signals that are generated by the mode switching. The voltage regulator embodiments facilitate instant return from the pulse-frequency modulation operational mode to the pulse-width modulation operational mode so that the stability of the feedback control of the regulator is enhanced. This feature is especially useful when the feedback loop is configured to include current-mode control as it minimizes the time duration in which the feedback loop operates in a voltage-mode control. The instant return insures that the feedback loop is immediately returned to the greater stability of the current-mode control.

    Abstract translation: 开关稳压器实施例具有迟滞控制,从而在脉冲宽度调制和脉冲 - 频率调制操作模式之间切换。 开关响应于电压调节器的反馈回路中的不同电平的误差电压Verr。 迟滞控制被配置为对误差电压Verr的变化提供直流迟滞响应,并且还对对这些变化的迟滞响应。 可以独立地设置这两个响应,从而提高电压调节器的操作速度,并且还增强对由模式切换产生的瞬态噪声信号的抗扰性。 电压调节器实施例便于从脉冲 - 频率调制操作模式到脉宽调制操作模式的即时返回,从而增强了调节器的反馈控制的稳定性。 当反馈回路配置为包括电流模式控制时,该功能特别有用,因为它使反馈回路在电压模式控制中工作的持续时间最小化。 即时返回确保反馈回路立即返回到电流模式控制的更大稳定性。

    ESD protection circuit for a switching power converter
    18.
    发明授权
    ESD protection circuit for a switching power converter 有权
    用于开关电源转换器的ESD保护电路

    公开(公告)号:US08345394B2

    公开(公告)日:2013-01-01

    申请号:US12573501

    申请日:2009-10-05

    CPC classification number: H01L27/0285 H01L2924/0002 H01L2924/00

    Abstract: An ESD protection circuit for a switching power converter which includes a high-side switching element connected between a supply voltage and the switching node, and a low-side switching element connected between the switching node and a common node. A current conduction path couples an ESD event that occurs on the switching node to an ESD sense node, and an ESD sensing circuit coupled to the sense node generates a trigger signal when an ESD event is sensed. A first logic gate keeps the high-side switching element off when the trigger signal indicates the sensing of an ESD event, and a second logic gate causes the low-side switching element to turn on when an ESD event is sensed such that the low-side switching element provides a conductive discharge path between the switching node and common node.

    Abstract translation: 一种用于开关电源转换器的ESD保护电路,包括连接在电源电压和开关节点之间的高侧开关元件,以及连接在开关节点和公共节点之间的低侧开关元件。 电流传导路径将在开关节点上发生的ESD事件耦合到ESD感测节点,并且耦合到感测节点的ESD感测电路在感测到ESD事件时产生触发信号。 当触发信号指示ESD事件的感测时,第一逻辑门保持高侧开关元件关闭,并且当检测到ESD事件时,第二逻辑门使低侧开关元件导通, 侧开关元件在开关节点和公共节点之间提供导电放电路径。

    Preparing Method for Xanthophyll Crystals with Higher Content of Zeaxanthin from Plant Oleoresin
    19.
    发明申请
    Preparing Method for Xanthophyll Crystals with Higher Content of Zeaxanthin from Plant Oleoresin 有权
    植物油树脂中玉米黄质含量较高的叶黄素晶体的制备方法

    公开(公告)号:US20120296126A1

    公开(公告)日:2012-11-22

    申请号:US13521044

    申请日:2010-03-18

    CPC classification number: C07C403/24 C07C2601/16 C09B61/00

    Abstract: The invention makes public a preparing method for xanthophyll crystals with higher content of zeaxanthin from plant oleoresin. The current methods generally are to get quite pure crystal forms of xanthophyll or zeaxanthin, and they refer to several separation steps. The invention mixes the xanthophyll diester-containing plant oleoresins and food grade alcohol solvents to form even solution, and then soap-dissolve the solution under an alkaline environment; then replenish organic solvents and emulsifiers into the reaction solution and drop some alkali solution into the solution to make partial xanthophyll crystals be transformed to be zeaxanthin through epimerization reaction; after the reaction is finished, add the mixed solvents of alcohol solvent and water to separate out the crystals; use the method of centrifugation or filtration to get the crystals; wash the crystals several times with the mixed solution of deionized water and alcohols to remove the impurities among the crystals; recrystallize the gained crystals with absolute ethyl alcohol, and then dry the crystals to get the products. The invention can gain mixture crystals that contain xanthophyll and zeaxanthin at one time in quite high collection rate, and it is convenient for the followed product application.

    Abstract translation: 本发明公开了植物油树脂中玉米黄质含量较高的叶黄素晶体的制备方法。 目前的方法通常是获得相当纯的叶黄素或玉米黄质的晶体形式,它们是指几个分离步骤。 本发明混合含有叶黄素二酯的植物油树脂和食品级醇溶剂,形成均匀的溶液,然后在碱性环境下将溶液皂溶; 然后将有机溶剂和乳化剂补充到反应溶液中,并将一些碱溶液滴入溶液中,使部分叶黄素晶体通过差向异构化反应转化为玉米黄质; 反应完成后,加入醇溶剂和水的混合溶剂分离出晶体; 使用离心或过滤方法得到晶体; 用去离子水和醇的混合溶液洗涤晶体数次以除去晶体中的杂质; 用绝对乙醇重结晶获得的晶体,然后干燥晶体得到产物。 本发明可以以非常高的收集率一次获得含有叶黄素和玉米黄质的混合物晶体,对于随后的产品应用是方便的。

    Benzenesulfonamide compounds and their use
    20.
    发明授权
    Benzenesulfonamide compounds and their use 有权
    苯磺酰胺化合物及其用途

    公开(公告)号:US08247442B2

    公开(公告)日:2012-08-21

    申请号:US12225743

    申请日:2007-03-29

    CPC classification number: C07D211/42 C07D207/14 C07D401/12

    Abstract: The invention relates to azetidinyl, pyrrolidinyl, piperidinyl, and hexahydroazepinyl compounds of Formula I and pharmaceutically acceptable salts, prodrugs, or solvates thereof, wherein R1-R3 and Z are defined as set forth in the specification. The invention is also directed to the use compounds of Formula I to treat, prevent or ameliorate a disorder responsive to the blockade of calcium channels, and particularly N-type calcium channels. Compounds of the present invention are especially useful for treating pain.

    Abstract translation: 本发明涉及式I的氮杂环丁烷基,吡咯烷基,哌啶基和六氢氮杂卟啉化合物及其药学上可接受的盐,前药或溶剂合物,其中R1-R3和Z如说明书所述定义。 本发明还涉及使用式I的化合物来治疗,预防或改善对阻断钙通道,特别是N型钙通道有响应的病症。 本发明的化合物特别适用于治疗疼痛。

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