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    • 3. 发明申请
    • Automatic Determination of Local Time for Terrestrial Broadcast Digital Television Receiver
    • 地面广播数字电视接收机的本地时间自动确定
    • US20080266453A1
    • 2008-10-30
    • US11739714
    • 2007-04-25
    • Jeffrey P. Fisher
    • Jeffrey P. Fisher
    • H04N9/475
    • H04N5/44513G04G9/0076G04R20/14H04N21/4345H04N21/6112
    • A method by which a DTV receiver that receives a terrestrial broadcast DTV signal may automatically determine the local time for the local terrestrial broadcast region, as well as DTV receivers that implements such a method, is described. The method includes obtaining a unique identifier of a terrestrial broadcast signal, wherein the unique identifier is transmitted as part of the terrestrial broadcast signal, accessing a memory to obtain a local time offset and a Daylight Savings Time (DST) observance indicator associated with the unique identifier, and calculating the local time based on the local time offset and the DST observance indicator. Additional methods for providing channel availability information to a user based on the unique identifier are described.
    • 描述接收地面广播DTV信号的DTV接收机可以自动确定本地地面广播区域的本地时间以及实现这种方法的DTV接收机的方法。 该方法包括获得地面广播信号的唯一标识符,其中唯一标识符作为地面广播信号的一部分被发送,访问存储器以获得与唯一的相关联的本地时间偏移和夏令时指示符(DST) 标识符,并根据本地时间偏移量和DST观察指标计算本地时间。 描述了基于唯一标识符向用户提供频道可用性信息的附加方法。
    • 5. 发明授权
    • Channel scan for terrestrial broadcast digital television receiver
    • 频道扫描用于地面广播数字电视接收机
    • US08233095B2
    • 2012-07-31
    • US11739726
    • 2007-04-25
    • Jeffrey P. Fisher
    • Jeffrey P. Fisher
    • H04N5/50H04N7/00H04N11/00H04B3/36
    • H04N5/50H04B7/10H04N5/4401H04N21/4345H04N21/4384H04N21/6162
    • A technique that allows a DTV receiver to perform a channel scan in a manner that is faster and more efficient than conventional channel scanning techniques. In accordance with one embodiment of the present invention, the technique allows a DTV receiver to perform a scan of only those channels that are known to be available within a local terrestrial broadcast region. In accordance with another embodiment of the present invention, the technique allows a DTV receiver that operates in conjunction with an antenna, such as a smart antenna designed to comply with EIA/CEA 909, to use the same antenna configuration parameters for different terrestrial broadcast signals in an instance where such signals are known to originate from the same antenna location.
    • 允许DTV接收机以比传统信道扫描技术更快更有效的方式执行信道扫描的技术。 根据本发明的一个实施例,该技术允许DTV接收机仅执行已知在本地地面广播区域内可用的那些信道的扫描。 根据本发明的另一实施例,该技术允许与天线(例如被设计为符合EIA / CEA 909的智能天线)一起工作的DTV接收机对不同的地面广播信号使用相同的天线配置参数 在这种信号已知来自相同天线位置的情况下。
    • 6. 发明申请
    • Channel Scan for Terrestrial Broadcast Digital Television Receiver
    • 地面广播数字电视接收机频道扫描
    • US20080266465A1
    • 2008-10-30
    • US11739726
    • 2007-04-25
    • Jeffrey P. Fisher
    • Jeffrey P. Fisher
    • H04N5/50
    • H04N5/50H04B7/10H04N5/4401H04N21/4345H04N21/4384H04N21/6162
    • A technique that allows a DTV receiver to perform a channel scan in a manner that is faster and more efficient than conventional channel scanning techniques. In accordance with one embodiment of the present invention, the technique allows a DTV receiver to perform a scan of only those channels that are known to be available within a local terrestrial broadcast region. In accordance with another embodiment of the present invention, the technique allows a DTV receiver that operates in conjunction with an antenna, such as a smart antenna designed to comply with EIA/CEA 909, to use the same antenna configuration parameters for different terrestrial broadcast signals in an instance where such signals are known to originate from the same antenna location.
    • 允许DTV接收机以比传统信道扫描技术更快更有效的方式执行信道扫描的技术。 根据本发明的一个实施例,该技术允许DTV接收机仅执行已知在本地地面广播区域内可用的那些信道的扫描。 根据本发明的另一实施例,该技术允许与天线(例如被设计为符合EIA / CEA 909的智能天线)一起工作的DTV接收机对不同的地面广播信号使用相同的天线配置参数 在这种信号已知来自相同天线位置的情况下。