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热词
    • 4. 发明授权
    • System and method for delivery and updating of real-time data
    • 用于实时数据传送和更新的系统和方法
    • US07516196B1
    • 2009-04-07
    • US09531534
    • 2000-03-21
    • Hemant MadanMikko MäkipääOleg Beletski
    • Hemant MadanMikko MäkipääOleg Beletski
    • G06F15/16
    • G06F17/30899G06F17/30905
    • A system, method and computer program for receiving real-time data from a content provider and delivering it to a user terminal while using the minimum amount of communication bandwidth possible. This real-time data may take the form of any frequently changing data such as stock prices. The user logs on the system and specifies a portfolio or stocks he is interested viewing. The user may also select active keys which are to be continuously observed. Upon receipt of the real-time data from the content provider, the system, method and computer program determine whether the real-time data has changed from the last update. If no changes have occurred to the real-time data values or the real-time data is not associated the currently active keys then there is no real-time data downloaded to the user. Only if there is a change in real-time data values associated with active currently active keys will the real-time data be transmitted to the user terminal. Further, this system, method and computer program may communicate to any possible user terminal no matter what size screen since the position of each changed real-time data value is specified based on screen size the user terminal is using. Therefore, a user may monitor continuously changing real-time data values while using a mobile device such as a digital cellular phone.
    • 一种用于从内容提供商接收实时数据并将其递送到用户终端同时使用尽可能少的通信带宽的系统,方法和计算机程序。 这种实时数据可能采取任何频繁变化的数据(如股票价格)的形式。 用户登录系统并指定他感兴趣的投资组合或股票。 用户还可以选择要连续观察的活动键。 在从内容提供者接收到实时数据时,系统,方法和计算机程序确定实时数据是否已经从上一次更新中改变。 如果实时数据值没有发生变化,或者实时数据与当前活动的键不相关,则没有实时数据下载到用户。 只有当与当前激活的活动键相关联的实时数据值发生变化时,实时数据将被发送到用户终端。 此外,无论什么尺寸的屏幕,该系统,方法和计算机程序可以通信到任何可能的用户终端,因为根据用户终端正在使用的屏幕尺寸指定每个改变的实时数据值的位置。 因此,当使用诸如数字蜂窝电话的移动设备时,用户可以监视连续变化的实时数据值。