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    • 1. 发明申请
    • WIRELESS DIGITAL/ANALOG DATA TELEMETRY SYSTEM ADAPTED FOR USE WITH WEB BASED LOCATION INFORMATION DISTRIBUTION METHOD AND METHOD FOR DEVELOPING AND DISSEMINATING INFORMATION FOR USE THEREWITH
    • 适用于基于WEB的位置信息分发方法和方法的无线数字/模拟数据电视系统用于开发和发布信息的方法
    • WO2004028061A2
    • 2004-04-01
    • PCT/US2003/029823
    • 2003-09-22
    • RACOM PRODUCTS, INC.LAUBER, RonLEGREE, CharlesEYERDOM, EdwardKRUSE, DonaldHUNT, ToddXIAO, Feng
    • LAUBER, RonLEGREE, CharlesEYERDOM, EdwardKRUSE, DonaldHUNT, ToddXIAO, Feng
    • H04L
    • H04Q9/00
    • An economical, compact digital/analog wireless data telemetry system includes either an analog transceiver or a digital packet data (e.g. CDPD) unit coupled with a portable computing device to provide a Mobile Data messaging and location device. The wireless data telemetry system is well suited for use in many possible applications, one application, vehicle location, provides an exemplary embodiment. In broadest terms, the system utilizes a plurality of analog RF channels for transmitting Mobile Data Packet Protocol (MDPP) packets between a tower site controller or remote base and number of mobile data units. The radio links between the tower site and the mobile data units are full duplex analog RF data transmission links utilizing full duplex receivers and transmitters at each installation. The operation of the combination of elements is the novel focus of the present invention. Particularly, the mobile data unit includes a main unit comprising RF and data boards and connections for an external GPS receiver and an RF antenna for transmission of data telemetry packets to a base station. The base or dispatch station receives data in MDPP format from a plurality of mobile units and organizes that information into a database which can be readily stored and manipulated in a central web site server for access by users or customers.
    • 经济,紧凑的数字/模拟无线数据遥测系统包括与便携式计算设备耦合的模拟收发器或数字分组数据(例如CDPD)单元,以提供移动数据消息和定位设备。 无线数据遥测系统非常适用于许多可能的应用,一个应用,车辆位置提供了一个示例性实施例。 最广泛地讲,该系统利用多个模拟RF信道来在塔站点控制器或远程基站与移动数据单元数之间传输移动数据分组协议(MDPP)分组。 塔站点和移动数据单元之间的无线电链路是在每次安装时利用全双工接收机和发射机的全双工模拟RF数据传输链路。 元素组合的操作是本发明的新颖重点。 特别地,移动数据单元包括主单元,其包括RF和数据板以及用于外部GPS接收器的连接和用于向基站传送数据遥测分组的RF天线。 基站或调度台从多个移动单元接收MDPP格式的数据,并将该信息组织到数据库中,该数据库可以容易地存储和操纵在中央网站服务器中以供用户或客户访问。
    • 2. 发明申请
    • MODULAR ANALOG WIRELESS DATA TELEMETRY SYSTEM ADAPTED FOR USE WITH WEB BASED LOCATION INFORMATION DISTRIBUTION METHOD AND METHOD FOR DEVELOPING AND DISSEMINATING INFORMATION FOR USE THEREWITH
    • 适用于基于WEB的位置信息分发方法和方法的模块化无线数据远程系统用于开发和发布信息的方法
    • WO2004021141A2
    • 2004-03-11
    • PCT/US2003/027167
    • 2003-08-29
    • RACOM PRODUCTSLAUBER, RonLEGREE, CharlesEYERDOM, EdwardKRUSE, DonaldHUNT, ToddXIAO, Feng
    • LAUBER, RonLEGREE, CharlesEYERDOM, EdwardKRUSE, DonaldHUNT, ToddXIAO, Feng
    • G06F
    • G08G1/0962G08G1/20H04L67/025H04L67/18
    • An economical, compact wireless data telemetry system includes a transceiver coupled with a portable computing device to provide a mobile data messaging and location information delivery system. The wireless data telemetry system is well suited for use in many possible applications, one application, vehicle location, provides an exemplary embodiment. In broadest terms, the system utilizes a plurality of analog RF channels for transmitting Mobile Data Packet Protocol (MDPP) packets between a tower site controller or remote base and number of mobile data units. The radio links between the tower site and the mobile data units are full duplex analog RF data transmission links utilizing full duplex receivers and transmitters at each installation. The operation of the combination of elements is the novel focus of the present invention. Particularly, the mobile data unit includes a main unit comprising RF and data circuits with a GPS receiver and an RF antenna for transmission of time-stamped location and data telemetry packets to a base station. The base or dispatch station receives data in MDPP format from a plurality of mobile units and organizes that information into a database that is stored and manipulated in a central web site server for access by users or customers.
    • 经济,紧凑的无线数据遥测系统包括与便携式计算设备耦合以提供移动数据消息和位置信息传递系统的收发器。 无线数据遥测系统非常适用于许多可能的应用,一个应用,车辆位置提供了一个示例性实施例。 最广泛地讲,该系统利用多个模拟RF信道来在塔站点控制器或远程基站与移动数据单元数之间传输移动数据分组协议(MDPP)分组。 塔站点和移动数据单元之间的无线电链路是在每次安装时利用全双工接收机和发射机的全双工模拟RF数据传输链路。 元素组合的操作是本发明的新颖重点。 特别地,移动数据单元包括主单元,其包括具有GPS接收器的RF和数据电路以及用于向基站传输时间戳位置和数据遥测分组的RF天线。 基站或调度台从多个移动单元接收MDPP格式的数据,并将该信息组织到在中央网站服务器中存储和操纵的用户或客户访问的数据库。
    • 8. 发明申请
    • A METHOD FOR PREPARING IRON SOURCE USED FOR PREPARING LITHIUM FERROUS PHOSPHATE, AND A METHOD FOR PREPARING LITHIUM FERROUS PHOSPHATE
    • 一种制备用于制备磷酸氢锂的铁源的方法,以及制备磷酸氢盐的方法
    • WO2009124431A1
    • 2009-10-15
    • PCT/CN2008/070680
    • 2008-04-07
    • BYD COMPANY LIMITEDCAO, WenyuZHANG, ShuiyuanXIAO, Feng
    • CAO, WenyuZHANG, ShuiyuanXIAO, Feng
    • C01B25/45C01G49/00H01M4/58
    • C01B25/45H01M4/5825H01M10/052
    • A method for preparing an iron source used for preparing lithium ferrous phosphate comprises contacting a first liquid flow of a solution containing a ferrous salt and a soluble non-iron metal salt with a second liquid flow of an oxalate salt solution, and recovering the product; wherein the flow rates of the first liquid flow and the second liquid flow are such that the pH of the slurry resulted from mixing is 3-6; the said soluble non-iron metal salt is one or more soluble salts selected from salts of Group IIA, IIIA, IVA, IB,IIB, IIIB, IVB, VB, VIB, VIIB, and VIII non-iron metals. The iron source (ferrous oxalate) prepared by the method in the present invention has regular particle shape, small particle size, and even particle size distribution. Therefore, the lithium ferrous phosphate prepared from the said iron source has small and evenly distributed particle size, even carbon distribution, and excellent electrochemical properties.
    • 制备用于制备磷酸亚铁的铁源的方法包括使含有亚铁盐的溶液的第一液流和可溶非铁金属盐与草酸盐溶液的第二液流接触,并回收产物; 其中所述第一液流和所述第二液流的流速使得由混合产生的浆料的pH为3-6; 所述可溶非铁金属盐是选自IIA,IIIA,IVA,IB,IIB,IIIB,IVB,VB,VIB,VIIB和VIII族非铁金属的一种或多种可溶性盐。 通过本发明的方法制备的铁源(草酸亚铁)具有规则的颗粒形状,小的粒径和均匀的粒度分布。 因此,由所述铁源制备的磷酸亚铁锂具有小的均匀分布的粒度,均匀的碳分布和优异的电化学性能。