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    • 3. 发明授权
    • Object-oriented language processing system
    • 面向对象语言处理系统
    • US5450583A
    • 1995-09-12
    • US902579
    • 1992-06-22
    • Yutaka Inada
    • Yutaka Inada
    • G06F9/44G06F9/46G06F9/54G06F13/00G06F15/40
    • G06F9/465
    • A method for realizing an object-oriented language interface. A server process is performed for operating an object written in a first object-oriented language, and a client process is performed for operating another object written in a second object-oriented language. The object operated in the server process is utilized by the client process by performing a communication process through a communications path between the server process and the client process. The server process operates a server class written in the first object-oriented language and operates a communications manager for managing communications with the client process. The client process operates a virtual server class for defining a method corresponding to a method defined in the server class to utilize the method defined in the server class. The client process also operates an object correspondence table for storing correspondence information between the object operated in the server process and the object operated in the client process, and operates a communications manager for managing the communications with the server process.
    • 一种实现面向对象语言接口的方法。 执行用于操作以第一面向对象语言编写的对象的服务器进程,并且执行客户端进程以操作以第二面向对象语言编写的另一对象。 在服务器进程中操作的对象被客户端进程利用,通过服务器进程和客户端进程之间的通信路径进行通信进程。 服务器进程操作以第一个面向对象语言编写的服务器类,并操作一个通信管理器来管理与客户端进程的通信。 客户端进程操作虚拟服务器类,用于定义与服务器类中定义的方法相对应的方法,以利用服务器类中定义的方法。 客户端进程还操作对象对应表,用于存储在服务器进程中操作的对象与在客户进程中操作的对象之间的对应信息,并且操作用于管理与服务器进程的通信的通信管理器。
    • 8. 发明授权
    • Vortex flowmeter
    • 涡街流量计
    • US5736649A
    • 1998-04-07
    • US701447
    • 1996-08-22
    • Kazumasa KawasakiYutaka InadaKoichi Tashiro
    • Kazumasa KawasakiYutaka InadaKoichi Tashiro
    • G01F1/32
    • G01F1/3281G01F1/329
    • In a Karman vortex flowmeter according to the present invention, first and second ultrasonic transmission/reception devices are offset from each other along a flowing direction of fluid, and a switching device alternately switches the ultrasonic transmission/reception devices so that the ultrasonic transmission/reception devices can alternately perform transmission and reception. There is also provided a propagation time difference detector for determining a time difference between an ultrasonic wave propagation time when one of the ultrasonic transmission/reception devices performs the transmission, and an ultrasonic wave propagation time when the other of the ultrasonic transmission/reception devices performs the transmission, and for determining a flow rate of the fluid on the basis of the time difference. When no Karman vortex is generated or when the number of generated Karman vortices is greatly reduced, the minute flow rate of the fluid is measured by the propagation time difference detector.
    • 在根据本发明的卡曼式涡街流量计中,第一和第二超声波发送/接收装置沿着流体的流动方向彼此偏移,并且切换装置交替地切换超声波发送/接收装置,使得超声波发送/接收 设备可以交替地进行发送和接收。 还提供了一种传播时差检测器,用于确定超声波发送/接收装置中的一个执行发送时的超声波传播时间与超声波发送/接收装置中的另一个执行的超声波传播时间之间的时间差 基于该时间差来确定流体的流量。 当不产生卡门涡流时,或者当所产生的卡曼涡流的数量大大降低时,流体的微小流量由传播时间差检测器测量。
    • 9. 发明授权
    • Vortex flowmeter
    • 涡街流量计
    • US4924710A
    • 1990-05-15
    • US354222
    • 1989-05-19
    • Yutaka InadaKazumasa KawasakiShigeru NishiyamaHiroshi Yoshikura
    • Yutaka InadaKazumasa KawasakiShigeru NishiyamaHiroshi Yoshikura
    • G01F1/32
    • G01F1/3281
    • A vortex flowmeter comprising ultrasonic wave transmitters and ultrasonic wave receivers adapted to receive ultrasonic waves transmitted by the transmitters through a flow of fluid in which vortices are generated by a vortex generator, the ultrasonic wave signals output by the ultrasonic wave receivers being compared by a phase comparator to measure the flow rate of the fluid by detecting the difference in phase of the ultrasonic waves due to generation of the vortices. First and second ultrasonic wave transmitters are disposed on the wall of a pipe line defining the flow path for the fluid downstream of the vortex generator and first and second ultrasonic wave receivers are respectively disposed at positions on the wall of the pipe line opposite to the first and second transmitters and in such a manner that the first propagation route for the ultrasonic waves propagating from the first ultrasonic wave transmitter to the first ultrasonic wave receiver and the second propagation route for ultrasonic waves propagating from the second ultrasonic wave transmitter to the second ultrasonic wave receiver intersect each other and extend in opposite directions. The phase of the respective ultrasonic wave signals output by the first and second ultrasonic wave receivers are compared by a phase comparator so that the vortices generated by the vortex generator can be detected.
    • 一种包括超声波发射器和超声波接收器的涡街流量计,其适用于通过涡流发生器产生涡流的流体流接收由发射器发射的超声波,由超声波接收器输出的超声波信号被相位 比较器通过检测由于涡流的产生引起的超声波的相位差来测量流体的流速。 第一和第二超声波发射器设置在管线的壁上,其限定用于涡流发生器下游的流体的流动路径,并且第一和第二超声波接收器分别设置在与第一 以及第二发送器,并且使得从第一超声波发射器传播到第一超声波接收器的超声波的第一传播路径和从第二超声波发射器传播到第二超声波的超声波的第二传播路径 接收器彼此相交并在相反方向上延伸。 通过相位比较器比较由第一和第二超声波接收器输出的各超声波信号的相位,从而可以检测由涡流发生器产生的涡流。