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    • 8. 发明授权
    • Apparatus and method for providing broadcast service in mobile communication system
    • 在移动通信系统中提供广播服务的装置和方法
    • US08355697B2
    • 2013-01-15
    • US12018633
    • 2008-01-23
    • Yong-Seock ChoiNam-Kyu Lee
    • Yong-Seock ChoiNam-Kyu Lee
    • H04M1/66
    • H04L63/08H04H20/57H04H60/15H04N7/17318H04N21/25875H04N21/41407H04N21/6334H04W4/06H04W12/06
    • A user authentication process when a portable terminal receives multimedia broadcasting requiring authentication is provided. The broadcasting is provided by a mobile communication system including a portable terminal capable of a user authentication process if a message indicating that broadcasting requires the authentication process is received while using the broadcast service, the portable terminal provides the broadcast service if the authentication process is successful, and stops the broadcast service if the authentication process fails; and a multimedia broadcast server for transmitting to the portable terminal the message, which indicates that the broadcasting requires the authentication process, when the broadcasting requires the authentication process while the broadcast service is being provided to the portable terminal.
    • 提供便携式终端接收需要认证的多媒体广播时的用户认证处理。 如果在使用广播服务的情况下接收到指示广播需要认证处理的消息,那么广播由包括能够进行用户认证处理的便携式终端的移动通信系统提供,便携式终端如果认证过程成功则提供广播服务 如果认证过程失败,则停止广播业务; 以及多媒体广播服务器,用于当广播服务被提供给便携式终端时,当广播需要认证过程时,向便携式终端发送指示广播需要认证过程的消息。
    • 10. 发明授权
    • Energy recovery apparatus and method for plasma display panel
    • 等离子显示面板的能量回收装置及方法
    • US07605808B2
    • 2009-10-20
    • US10942052
    • 2004-09-16
    • Nam Kyu LeeBong Gyun KimBong Hwan KwonJang Hwan Cho
    • Nam Kyu LeeBong Gyun KimBong Hwan KwonJang Hwan Cho
    • G09G5/00
    • G09G3/2965
    • Disclosed are an energy recovery apparatus and method for a plasma display panel. The energy recovery apparatus includes a sustain voltage source for supplying a sustain voltage, a panel capacitor formed equivalently at a discharge cell, a first charging circuit for forming a first charging path when one side of the panel capacitor is charged, a second charging circuit for forming a second charging path when the other side of the panel capacitor is charged, a first power circuit for supplying the sustain voltage to the panel capacitor and forming the first charging path, and a second power circuit for supplying a ground voltage generated from a ground voltage source to the panel capacitor and forming the second charging path. The energy recovery apparatus and method according to the present invention can decrease components in number and reduce power consumption and manufacturing cost by charging the other side of the panel capacitor using a charging voltage of one side of the panel capacitor.
    • 公开了一种用于等离子体显示面板的能量回收装置和方法。 能量回收装置包括用于提供维持电压的维持电压源,在放电单元等效地形成的面板电容器,用于在面板电容器的一侧被充电时形成第一充电路径的第一充电电路;第二充电电路, 当面板电容器的另一侧被充电时,形成第二充电路径,用于向面板电容器提供维持电压并形成第一充电路径的第一电源电路和用于提供从地面产生的接地电压的第二电源电路 电压源到面板电容器并形成第二充电路径。 根据本发明的能量回收装置和方法可以通过面板电容器的一侧的充电电压对面板电容器的另一侧进行充电来减少数量的部件并降低功耗和制造成本。