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    • 4. 发明授权
    • Hydrofoil sailboat and method of sailing therewith
    • 水翼帆船及其航行方式
    • US4934296A
    • 1990-06-19
    • US347347
    • 1989-05-03
    • Bernard SmithRalph Gitomer
    • Bernard SmithRalph Gitomer
    • B63B15/00B63B39/06B63H9/06
    • B63B15/0083B63B39/062B63H9/06
    • A tetrahedrally shaped pivotable sailing frame of four spars and a sail with balanced hydrofoils is disclosed. A hydrofoil sailboat is created by pivotally attaching the frame to a hull along a longitudinal axis of the hull. Tacking is accomplished by rotation of the frame about that axis. Although the sailing frame can be adapted to a variety of types of hulls, including windsurfers, catamarans, and multiple-hulled craft, a preferred embodiment of a hull is disclosed which in combination with the sailing frame affords the proper lift and forward vectors and obviates the need for a keel, live or dead ballast, or sail adjustments. The lift affords very high speeds and minimal wetted surface. The tetrahedral structure of the sailing frame is stiff, giving a level, stabilized ride and permitting an optimal surface area of sail. The hull design provides swift, easy tacking and reduces the possibility of backwinding.
    • 公开了一种具有四个翼梁的四面体形状的可枢转航行框架和具有平衡水翼的帆。 通过沿着船体的纵向轴线将框架枢转地附接到船体来产生水翼帆船。 通过框架围绕该轴的旋转来实现紧固。 虽然帆船架可以适应于各种类型的船体,包括风帆冲浪船,双体船和多船体船,但是公开了一种船体的优选实施例,其结合航行框架提供适当的提升和向前向量并且消除 需要一个龙骨,活的或死的镇流器,或帆的调整。 电梯提供非常高的速度和最小的湿润表面。 帆架的四面体结构是刚性的,提供了一个水平,稳定的行驶并且允许帆的最佳表面积。 船身设计提供了快速,轻松的捆绑,并减少了倒退的可能性。
    • 8. 发明授权
    • Method and apparatus for testing recovery scenarios in global
transaction processing systems
    • 用于测试全局事务处理系统中的恢复场景的方法和装置
    • US5680610A
    • 1997-10-21
    • US375220
    • 1995-01-19
    • Bernard SmithVance J. Klingman
    • Bernard SmithVance J. Klingman
    • G06F9/46G06F11/36G06F17/30
    • G06F11/3684G06F9/466Y10S707/99953
    • A system is disclosed in which recovery scenarios in a system for global transaction processing are testable with application programs. A client application program initiates a global transaction that results in multiple service requests to be processed by one or more server application programs. After processing of the service requests is complete, the client application program issues a selected test command that partially performs two-phase commit processing according to a predetermined recovery scenario. Recovery processing is initiated to recover the databases affected by the global transaction Control and status information are then returned to the client application program. After recovery processing is complete, the databases are compared to the expected states according the recovery scenario.
    • 公开了一种系统,其中用于全局事务处理的系统中的恢复情形可以通过应用程序进行测试。 客户应用程序启动一个全局事务,导致多个服务请求由一个或多个服务器应用程序处理。 在服务请求的处理完成之后,客户端应用程序根据预定的恢复场景发出部分执行两阶段提交处理的所选择的测试命令。 启动恢复处理以恢复受全局事务控制影响的数据库,然后将状态信息返回给客户端应用程序。 恢复处理完成后,根据恢复情况将数据库与预期状态进行比较。