公开(公告)号：US07718840B2

公开(公告)日：2010-05-18

申请号：US11426847

申请日：2006-06-27

申请人： Sun Choi ,  Yong Seung Kim ,  Deuk Soo Park ,  Suk Joon Kim ,  Il Mo Yang ,  Hee Young Kim ,  Yong Ki Park ,  Chul Wee Lee ,  Won Choon Choi ,  Kwang An Ko ,  Na Young Kang

发明人： Sun Choi ,  Yong Seung Kim ,  Deuk Soo Park ,  Suk Joon Kim ,  Il Mo Yang ,  Hee Young Kim ,  Yong Ki Park ,  Chul Wee Lee ,  Won Choon Choi ,  Kwang An Ko ,  Na Young Kang

IPC分类号： C07C4/02 ,  C10G11/02 ,  B01J29/06 ,  B01J27/182

CPC分类号： C07C4/06 ,  C10G2400/20 ,  C07C11/02

摘要： Disclosed is a process for producing light olefins from hydrocarbon feedstock. The process is characterized in that a porous molecular sieve catalyst consisting of a product obtained by evaporating water from a raw material mixture comprising a molecular sieve with a framework of Si—OH—Al— groups, a water-insoluble metal salt, and a phosphate compound, is used to produce light olefins, particularly ethylene and propylene, from hydrocarbon, while maintaining excellent selectivity to light olefins. According to the process, by the use of a specific catalyst with hydrothermal stability, light olefins can be selectively produced in high yield with high selectivity from hydrocarbon feedstock, particularly full-range naphtha. In particular, the process can maintain higher cracking activity than the reaction temperature required in the prior thermal cracking process for the production of light olefins, and thus, can produce light olefins with high selectivity and conversion from hydrocarbon feedstock.

摘要翻译： 公开了一种从烃原料生产轻质烯烃的方法。 该方法的特征在于，由通过从包含具有Si-OH-Al-基团的骨架的分子筛，水不溶性金属盐和磷酸盐的原料混合物蒸发水而获得的产物的多孔分子筛催化剂 化合物，用于从烃生产轻质烯烃，特别是乙烯和丙烯，同时保持对轻质烯烃的优异选择性。 根据该方法，通过使用具有水热稳定性的特定催化剂，可以从烃原料，特别是全范围石脑油以高选择性高选择性地制备轻质烯烃。 特别地，该方法可以保持比用于生产轻质烯烃的现有热裂解方法中所需的反应温度更高的裂化活性，因此可以从烃原料生产具有高选择性和转化率的轻质烯烃。

公开(公告)号：US07602171B2

公开(公告)日：2009-10-13

申请号：US11518981

申请日：2006-09-12

申请人： Sun Choi ,  Dong-soo Lee ,  Yong-kyun Sun ,  Hyun-ho Kim

发明人： Sun Choi ,  Dong-soo Lee ,  Yong-kyun Sun ,  Hyun-ho Kim

IPC分类号： G01R31/28 ,  G11C29/00

CPC分类号： G11C29/56 ,  G01R31/2808 ,  G11C5/04 ,  G11C29/56016

摘要： A system for testing memory modules having a rotating-type board mounting portion with a plurality of mounting surfaces positioned at different planes and connected around an axis to form a rotatable structure, at least one circuit board mounted on each mounting surface, an input/output portion, a rotational motor coupled to a rotational shaft for rotating the rotatable structure, and a central controller electrically connected to the circuit boards.

摘要翻译： 一种用于测试具有旋转型板安装部分的存储器模块的系统，其具有位于不同平面上的多个安装表面并且围绕轴线连接以形成可旋转结构，安装在每个安装表面上的至少一个电路板，输入/输出 耦合到用于旋转可旋转结构的旋转轴的旋转电机，以及电连接到电路板的中央控制器。

公开(公告)号：US07391366B2

公开(公告)日：2008-06-24

申请号：US11138388

申请日：2005-05-27

申请人： Chan-Woo Park ,  Sun Choi

发明人： Chan-Woo Park ,  Sun Choi

IPC分类号： G01S5/14 ,  H04B7/185

CPC分类号： G01S19/29 ,  G01S19/254 ,  G01S19/26

摘要： A global positioning system (GPS) receiver and method are provided for compensating for Doppler variation to accurately detect GPS signals in an environment in which intensities of the GPS signals received from GPS satellites are very low. A user acceleration measuring unit measures an acceleration vector of the terminal with respect to a center of the Earth. A user Doppler variation rate estimator estimates a user Doppler variation rate of each GPS satellite due to acceleration of the terminal by making use of the measured acceleration vector. A Doppler predictor predicts a Doppler frequency according to the estimated user Doppler variation rate. Code and carrier frequency signal generators compensate codes and carriers of GPS satellites to be correlated with signals received therefrom by making use of the predicted Doppler frequency.

摘要翻译： 提供了一种全球定位系统（GPS）接收机和方法，用于补偿多普勒变化，以便在从GPS卫星接收的GPS信号的强度非常低的环境中精确检测GPS信号。 用户加速度测量单元测量终端相对于地球中心的加速度矢量。 用户多普勒变化率估计器通过利用所测量的加速度矢量来估计由于终端的加速而导致的每个GPS卫星的用户多普勒变化率。 多普勒预测器根据估计的用户多普勒变化率预测多普勒频率。 代码和载波频率信号发生器通过利用预测的多普勒频率来补偿GPS卫星的代码和载波与要从其接收的信号相关联。

公开(公告)号：US20070010699A1

公开(公告)日：2007-01-11

申请号：US11426847

申请日：2006-06-27

申请人： Sun Choi ,  Yong Kim ,  Deuk Park ,  Suk Kim ,  Il Yang ,  Hee Kim ,  Yong Park ,  Chul Lee ,  Won Choi ,  Kwang Ko ,  Na Kang

发明人： Sun Choi ,  Yong Kim ,  Deuk Park ,  Suk Kim ,  Il Yang ,  Hee Kim ,  Yong Park ,  Chul Lee ,  Won Choi ,  Kwang Ko ,  Na Kang

IPC分类号： C07C4/02

CPC分类号： C07C4/06 ,  C10G2400/20 ,  C07C11/02

摘要： Disclosed is a process for producing light olefins from hydrocarbon feedstock. The process is characterized in that a porous molecular sieve catalyst consisting of a product obtained by evaporating water from a raw material mixture comprising a molecular sieve with a framework of Si—OH—Al— groups, a water-insoluble metal salt, and a phosphate compound, is used to produce light olefins, particularly ethylene and propylene, from hydrocarbon, while maintaining excellent selectivity to light olefins. According to the process, by the use of a specific catalyst with hydrothermal stability, light olefins can be selectively produced in high yield with high selectivity from hydrocarbon feedstock, particularly full-range naphtha. In particular, the process can maintain higher cracking activity than the reaction temperature required in the prior thermal cracking process for the production of light olefins, and thus, can produce light olefins with high selectivity and conversion from hydrocarbon feedstock.

摘要翻译： 公开了一种从烃原料生产轻质烯烃的方法。 该方法的特征在于，由通过从包含具有Si-OH-Al-基团的骨架的分子筛，水不溶性金属盐和磷酸盐的原料混合物蒸发水而获得的产物的多孔分子筛催化剂 化合物，用于从烃生产轻质烯烃，特别是乙烯和丙烯，同时保持对轻质烯烃的优异选择性。 根据该方法，通过使用具有水热稳定性的特定催化剂，可以从烃原料，特别是全范围石脑油以高选择性高选择性地制备轻质烯烃。 特别地，该方法可以保持比用于生产轻质烯烃的现有热裂解方法中所需的反应温度更高的裂化活性，因此可以从烃原料生产具有高选择性和转化率的轻质烯烃。

公开(公告)号：US20060250302A1

公开(公告)日：2006-11-09

申请号：US11407923

申请日：2006-04-21

申请人： Chan-Woo Park ,  Jeong-Bok Yang ,  Sun Choi ,  Ki-Hyun Park ,  Tae-Il Eom

发明人： Chan-Woo Park ,  Jeong-Bok Yang ,  Sun Choi ,  Ki-Hyun Park ,  Tae-Il Eom

IPC分类号： G01S5/14

CPC分类号： G01S5/0289

摘要： An apparatus and method is provided for increasing GPS reception sensitivity in a mobile terminal having a mobile-based GPS positioning function. A GPS receiver in the mobile terminal generates SA data by using basic information about GPS satellites and system time. Here, the SA data is a replica of the total information bits of navigation data. The GPS receiver then correlates a PRN code with a GPS signal and coherent-integrating the correlation result by using the SA data. It calculates a position solution of the mobile terminal by using the integrated samples.

摘要翻译： 提供了一种用于在具有基于移动的GPS定位功能的移动终端中增加GPS接收灵敏度的装置和方法。 移动终端中的GPS接收机通过使用有关GPS卫星和系统时间的基本信息来生成SA数据。 这里，SA数据是导航数据的总信息位的副本。 然后，GPS接收机将PRN码与GPS信号相关联，并使用SA数据对相关结果进行相干积分。 它通过使用集成的样本来计算移动终端的位置解。

公开(公告)号：US20060170589A1

公开(公告)日：2006-08-03

申请号：US11340610

申请日：2006-01-27

申请人： Chan-Woo Park ,  Sun Choi ,  Ki-Hyun Park

发明人： Chan-Woo Park ,  Sun Choi ,  Ki-Hyun Park

IPC分类号： G01S5/14

CPC分类号： G01S19/25

摘要： An apparatus and method are provided for obtaining a location of a CDMA personal portable terminal according to an AGPS scheme. The method includes receiving a Doppler value of a satellite from an AGPS server, receiving a satellite signal and measuring a Doppler value of the satellite by using the received satellite signal, calculating a code frequency bias ψb by using a difference between the received Doppler value and the measured Doppler value, calculating a code bias φb in consideration of the calculated code frequency bias ψb and a search duration, and calculating a pseudorange of the satellite by compensating for the calculated code bias φb.

摘要翻译： 提供了一种用于根据AGPS方案获得CDMA个人便携式终端的位置的装置和方法。 该方法包括从AGPS服务器接收卫星的多普勒值，接收卫星信号并通过使用接收到的卫星信号测量卫星的多普勒值，通过使用接收的卫星信号计算码频率偏差psi 考虑到计算出的代码频率偏差psi＆lt; b＆gt;和搜索持续时间，计算接收到的多普勒值和所测量的多普勒值之间的差值，计算代码偏差phi 通过补偿计算出的代码偏差phi＆lt; b＆gt;的卫星的伪距。