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    • 6. 发明申请
    • Automated cellular telephone clock setting
    • 自动蜂窝电话时钟设置
    • US20050090272A1
    • 2005-04-28
    • US10988874
    • 2004-11-15
    • David AnsonAlan ShenScott ShellRoman Sherman
    • David AnsonAlan ShenScott ShellRoman Sherman
    • G04G5/00G04G9/00H04M1/725H04M3/00H04Q7/20
    • G04G9/0076G04R20/14
    • A cellular telephone clock is automatically set to correlate to a timestamp contained in a Short Messaging Service (SMS) status report. Accordingly, an exemplary cell phone clock can be properly set any time the cell phone receives a status report. By setting the cell phone device time to correlate to the world time, the exemplary cell phone clock can be automatically set, without requiring any action by the user and without requiring a special time set control message. When the cell phone transmits an SMS message, the cell phone stores the device time corresponding to the time that the message was sent (DTS). When a status report is received, the exemplary cell phone stores the device time corresponding to the time that the status report was received (DTR). Additionally, the cell phone stores the world time that is included in the status report by the SMSC that handled the message (WT). By subtracting the DTR from the WT, the cell phone can determine an approximate difference between the cell phone's device time (and clock) and the world time. By adding this difference to the current device time (DTC), the DTC can be set to closely approximate the WT.
    • 蜂窝电话时钟被自动设置为与短消息服务(SMS)状态报告中包含的时间戳相关联。 因此,可以在蜂窝电话接收到状态报告的任何时候适当地设置示例性手机时钟。 通过将手机设备的时间设置为与世界时间相关联,可以自动设置示例性手机时钟,而不需要用户的任何动作,而不需要特殊的时间设置控制消息。 当手机发送SMS消息时,手机存储对应于消息发送时间(DTS)的设备时间。 当接收到状态报告时,示例性手机存储对应于接收到状态报告的时间的设备时间(DTR)。 此外,手机存储由SMSC处理消息(WT)的状态报告中包含的世界时间。 通过从WT中减去DTR,手机可以确定手机的设备时间(和时钟)与世界时间之间的近似差异。 通过将此差异添加到当前设备时间(DTC),DTC可以设置为紧密接近WT。