Method and apparatus for NTSC display of full range animation
    8.
    发明授权
    Method and apparatus for NTSC display of full range animation 失效
    NTSC显示全方位动画的方法和装置

    公开(公告)号:US5519825A

    公开(公告)日:1996-05-21

    申请号:US153219

    申请日:1993-11-16

    摘要: Full-motion animation video is displayed in a computer system through use of sprite objects. The sprite objects define the images on the output display, and the locations of the sprite objects are changed to create the animation. The computer system includes three areas of physical memory assigned the status of a front buffer, a back buffer, and a cache buffer. The front buffer stores a frame currently displayed on the output display. The cache buffer is utilized to store a subset of the sprite objects so that all sprite objects need not be rendered for each frame of animation. The contents of the cache buffer are copied to the back buffer during display of the front buffer. To display a subsequent frame, the front and back buffers are switched. A cache buffer permits display of full-motion animation by minimizing use of processor and computer resources.

    摘要翻译: 全动画动画视频通过使用精灵物体显示在计算机系统中。 精灵对象定义输出显示上的图像,并更改精灵对象的位置以创建动画。 计算机系统包括分配前缓冲器,后缓冲器和高速缓冲存储器的状态的三个物理存储区域。 前置缓冲存储当前显示在输出显示上的帧。 高速缓冲存储器用于存储子画面对象的子集,以便不必为每个动画帧呈现所有精灵对象。 在显示前缓冲区期间,缓存缓冲区的内容被复制到后台缓冲区。 为了显示后续帧,前后缓冲区被切换。 高速缓存缓冲器允许通过最小化处理器和计算机资源的使用来显示全动画动画。

    Bytecode program interpreter apparatus and method with pre-verification of data type restrictions and object initialization
    9.
    发明授权
    Bytecode program interpreter apparatus and method with pre-verification of data type restrictions and object initialization 有权
    字节码程序解释器设备和方法,具有数据类型限制和对象初始化的预验证

    公开(公告)号:US06477702B1

    公开(公告)日:2002-11-05

    申请号:US09711053

    申请日:2000-11-09

    IPC分类号: G06F945

    摘要: A program interpreter for computer programs written in a bytecode language, which uses a restricted set of data type specific bytecodes. The interpreter, prior to executing any bytecode program, executes a bytecode program verifier procedure that verifies the integrity of a specified program by identifying any bytecode instruction that would process data of the wrong type for such a bytecode and any bytecode instruction sequences in the specified program that would cause underflow or overflow of the operand stack. If the program verifier finds any instructions that violate predefined stack usage and data type usage restrictions, execution of the program by the interpreter is prevented. After pre-processing of the program by the verifier, if no program faults were found, the interpreter executes the program without performing operand stack overflow and underflow checks and without performing data type checks on operands stored in operand stack. As a result, program execution speed is greatly improved.

    摘要翻译: 用于以字节码语言编写的计算机程序的程序解释器,其使用受限制的数据类型特定字节码集合。 解释器在执行任何字节码程序之前,执行一个字节码程序验证程序,该程序验证程序通过识别任何字节码指令来验证指定程序的完整性,该字节码指令将处理这种字节码的错误类型的数据以及指定程序中的任何字节码指令序列 这将导致操作数堆栈的下溢或溢出。 如果程序验证者发现任何违反预定义堆栈使用和数据类型使用限制的指令,则可以防止解释程序执行该程序。 在验证者对程序进行预处理后,如果没有发现程序故障,解释器将执行程序,而不执行操作数堆栈溢出和下溢检查,而不对存储在操作数堆栈中的操作数执行数据类型检查。 结果,程序执行速度大大提高。

    Dynamic generation of information using servlet object
    10.
    发明授权
    Dynamic generation of information using servlet object 有权
    使用servlet对象动态生成信息

    公开(公告)号:US06405241B2

    公开(公告)日:2002-06-11

    申请号:US09792712

    申请日:2001-02-16

    IPC分类号: G06F1516

    摘要: A method and apparatus for operating a local server computer of a client-server network includes a technique to receive a request from a client computer of the client-server network. A determination is made whether the request requires dynamically generated information from a servlet object of the client-server network. If so, a specified servlet object corresponding to the request may be uploaded from a remote server computer of the client-server network. The specified servlet object is then executed to obtain dynamically generated information corresponding to the request.

    摘要翻译: 用于操作客户机 - 服务器网络的本地服务器计算机的方法和装置包括从客户机 - 服务器网络的客户端计算机接收请求的技术。 确定请求是否需要来自客户机 - 服务器网络的servlet对象的动态生成的信息。 如果是,则可以从客户机 - 服务器网络的远程服务器计算机上传与请求对应的指定的servlet对象。 然后执行指定的servlet对象以获得与请求对应的动态生成的信息。