System and method for accessing a service on a services network
    4.
    发明授权
    System and method for accessing a service on a services network 失效
    用于访问服务网络上的服务的系统和方法

    公开(公告)号:US5706437A

    公开(公告)日:1998-01-06

    申请号:US581744

    申请日:1995-12-29

    IPC分类号: H04L29/06 H04L29/08 G06F15/16

    摘要: The invention provides a generic session layer protocol that enables many generic complex transactions and exchanges between a client and a service/server. The generic session layer transactions and exchanges are available via a set of programming language functions. The functions reside in the Network Information Distribution Service (NIDS) Application Program Interface (API) of an operator services network. To introduce a new service on an operator services network, only the functions are need to be used. Accordingly, each time a new service is created, new functions calls, new protocols and a new session layer do not need to be created.

    摘要翻译: 本发明提供了通用会话层协议,其实现客户端和服务/服务器之间的许多通用复杂事务和交换。 通用会话层事务和交换可通过一组编程语言功能获得。 这些功能位于运营商服务网络的网络信息分发服务(NIDS)应用程序接口(API)中。 要在运营商服务网络上引入新服务,只需要使用这些功能。 因此,每当创建新的服务时,不需要创建新的功能调用,新的协议和新的会话层。

    Apparatus and method for nondestructive testing using
additive-subtractive phase-modulated interferometry
    5.
    发明授权
    Apparatus and method for nondestructive testing using additive-subtractive phase-modulated interferometry 失效
    使用加减法相位调制干涉测量的非破坏性测试的装置和方法

    公开(公告)号:US5481356A

    公开(公告)日:1996-01-02

    申请号:US231936

    申请日:1994-04-25

    IPC分类号: G01B11/16 G01B9/02

    CPC分类号: G01B11/162

    摘要: A video camera records a series of interferometric images of a test object, while the object is subjected to a repeated and varying level of stress. At least one pair of interferometric images, taken during the same video frame, and corresponding to different levels of stress, are added together, in an analog manner, to form a composite image which is then stored in digital form. During the next video frame, the phase of the light used to generate the interferometric image is altered, and the process is repeated. The digitally-stored composite images obtained during two successive video frames are subtracted from each other to produce a second-order composite image which reveals information about the condition of the object. The second-order composite image includes fringes of high contrast, and is not adversely affected by most ambient noise.

    摘要翻译: 视频摄像机记录测试对象的一系列干涉图像,同时对象遭受重复且变化的应力水平。 在相同的视频帧期间拍摄并对应于不同的应力水平的至少一对干涉图像以模拟的方式被加在一起,以形成然后以数字形式存储的合成图像。 在下一个视频帧期间,用于产生干涉图像的光的相位被改变,并重复该过程。 在两个连续视频帧期间获得的数字存储的合成图像彼此相减以产生二阶合成图像,其显示关于对象的状况的信息。 二阶复合图像包括高对比度的边缘,并且不受大多数​​环境噪声的不利影响。