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    • 5. 发明授权
    • Automatic test equipment methods and apparatus for interfacing with an external device
    • 自动测试设备与外部设备接口的方法和设备
    • US06622272B1
    • 2003-09-16
    • US09523431
    • 2000-03-10
    • Bernhard K. HaverkampLik Seng Lim
    • Bernhard K. HaverkampLik Seng Lim
    • G01R3128
    • G01R31/31905G01R31/31926
    • The invention is directed to techniques for accessing an external device, e.g., a device under test (DUT), from an automatic test equipment (ATE) interfacing apparatus, e.g., a specialized tester or channel card device. In one arrangement, the ATE interfacing apparatus includes a test bus interface for connecting to a test bus of an automatic test system; an external device interface for connecting to an external device; and a translator, interconnected between the test bus interface and the external device interface. The translator receives a memory access instruction from the test bus through the test bus interface. The memory access instruction includes a command and a test bus address. The translator translates the test bus address into an identifier which identifies a portion of the external device, and accesses the identified portion of the external device through the external device interface based on the command and the identifier. Translation of the test bus address into the identifier, and accessing the external device based on the command of the instruction and the identifier alleviate the need for the ATE interfacing apparatus to receive lower level instructions and data from an ATE controller. Accordingly, less time is needed to configure the ATE interfacing apparatus through the test bus resulting in greater overall programming and/or test times and enhanced throughput.
    • 本发明涉及从自动测试设备(ATE)接口设备(例如专用测试器或通道卡设备)访问外部设备(例如被测设备(DUT))的技术。 在一种布置中,ATE接口装置包括用于连接到自动测试系统的测试总线的测试总线接口; 用于连接到外部设备的外部设备接口; 以及在测试总线接口和外部设备接口之间互连的翻译器。 翻译器通过测试总线接口从测试总线接收存储器访问指令。 存储器访问指令包括命令和测试总线地址。 翻译器将测试总线地址转换为标识外部设备的一部分的标识符,并且基于该命令和标识符,通过外部设备接口访问外部设备的识别部分。 将测试总线地址转换为标识符,并根据指令和标识符访问外部设备,减轻了ATE接口设备从ATE控制器接收低级指令和数据的需要。 因此,通过测试总线配置ATE接口设备需要更少的时间,从而导致更大的总体编程和/或测试时间和增加的吞吐量。
    • 8. 发明授权
    • Mobile soil treatment apparatus and method
    • 移动式土壤处理装置及方法
    • US5599137A
    • 1997-02-04
    • US527750
    • 1995-09-13
    • Robert J. StephensonJohn C. NelsonChoom J. LimKok-Seng Lim
    • Robert J. StephensonJohn C. NelsonChoom J. LimKok-Seng Lim
    • B03B5/62B03B9/00B03D1/14B09C1/02B09B3/00
    • B03B5/623B03B9/00B03D1/1462B03D1/242B03D1/245B09C1/02B03D1/028B03D1/1412B03D1/1468B03D1/1487
    • A mobile apparatus and method for treating contaminated soil is disclosed. The apparatus consists of three interconnected subunits, namely a fluidized bed reactor for segregating an aqueous soil slurry based on particle size; a metals extraction unit for removing heavy metals and other contaminants from the contaminated soil fraction; and a water treatment system utilizing a high density sludge process to remove metals from the contaminated aqueous phase. The fluidized bed reactor includes a relatively small mixing chamber and a relatively large settling chamber which are partially separated by a baffle. Pressurized gas and foaming agent are dispersed into the mixing chamber to segregate the soil particles into a first fraction containing relatively small, contaminated soil particles and a second fraction containing relatively large, uncontaminated soil particles. The first fraction is continuously withdrawn from an upper portion of the reactor as a foam and a soil slurry containing the relatively uncontaminated second fraction is continuously withdrawn from a lower portion of the reactor. The soil slurry is dewatered by means of a hydrocyclone and a solids trap. Water, foaming agent and any suspended fines are recycled to the reactor vessel.
    • 公开了一种用于处理污染土壤的移动设备和方法。 该设备由三个相互连接的子单元组成,即用于基于粒度分离水性土壤浆料的流化床反应器; 金属提取单元,用于从污染的土壤馏分中去除重金属和其他污染物; 以及利用高密度污泥法从污染的水相中除去金属的水处理系统。 流化床反应器包括相对小的混合室和由挡板部分分离的相对较大的沉降室。 加压气体和发泡剂分散到混合室中以将土壤颗粒分离成含有相对较小的污染土壤颗粒的第一级分和含有相对大的未污染土壤颗粒的第二级分。 第一级分作为泡沫从反应器的上部连续取出,含有相对未污染的第二级分的污泥从反应器的下部连续取出。 土壤泥浆通过水力旋流器和固体捕集器脱水。 将水,发泡剂和任何悬浮细粉再循环到反应堆容器中。