Presence and notification system for maintaining and communicating information
    6.
    发明授权
    Presence and notification system for maintaining and communicating information 失效
    用于维护和传达信息的存在和通知系统

    公开(公告)号:US07640300B2

    公开(公告)日:2009-12-29

    申请号:US10167992

    申请日:2002-06-10

    IPC分类号: G06F15/16

    摘要: In accordance with one aspect, a client device is sent an indication of one or more types of information available for the client device. In response to the indication, a request is received from the client device to retrieve the information available for the client device. The information is identified and sent to the client device. In accordance with another aspect, one or more friends of the user are identified from persistent data, and a check made as to whether each of them is logged in to the system. For each of them that is logged in to the system, the user is subscribed to the friend's information and the friend is subscribed to the user's information. In accordance with another aspect, a user is allowed to be a friend of another user only if the other user is also a friend of the user.

    摘要翻译: 根据一个方面,向客户端设备发送可用于客户端设备的一种或多种类型的信息的指示。 响应于该指示,从客户端设备接收到请求以检索可用于客户端设备的信息。 信息被识别并发送到客户端设备。 根据另一方面,从永久数据识别用户的一个或多个朋友,并且检查它们中的每一个是否登录到系统。 对于登录系统的每个用户,用户订阅了朋友的信息,并且朋友订阅了用户的信息。 根据另一方面,只有当其他用户也是用户的朋友时,允许用户成为另一用户的朋友。