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    • 4. 发明授权
    • Television broadcast receiver
    • 电视广播接收机
    • US07945933B2
    • 2011-05-17
    • US11167270
    • 2005-06-28
    • Toshihiro TakagiTatsuo Miyagawa
    • Toshihiro TakagiTatsuo Miyagawa
    • H04N7/20
    • H04N21/4345H04N5/4401H04N21/4263H04N21/431H04N21/44209H04N21/485
    • A television receiver is connected to a multi-directional antenna, and stores, in a memory, a receiving direction table containing: channel numbers; best receiving directions of the multi-directional antenna for receiving the respective channels; and register channel information indicating whether the channels are registered as selectable or non-selectable. The receiving direction table is used for selecting each channel. Based on the operation of a user interface by a user (S42), the register channel information of the receiving direction table can be changed (S44, S45), so that the user can optionally set selectable channels. Thus, the user can preliminarily delete channels in bad receiving conditions from candidates of selectable channels.
    • 电视接收机连接到多向天线,并且在存储器中存储包含频道号的接收方向表; 用于接收各个信道的多向天线的最佳接收方向; 并且注册指示信道是否被注册为可选择或不可选的信道信息。 接收方向表用于选择每个通道。 基于用户的用户界面的操作(S42),可以改变接收方向表的登记信道信息(S44,S45),使得用户可以可选地设置可选择的频道。 因此,用户可以从可选择的频道的候选中预先删除接收不良的频道。
    • 5. 发明授权
    • Television device
    • 电视设备
    • US07907221B2
    • 2011-03-15
    • US11546363
    • 2006-10-12
    • Toshihiro TakagiKosuke Kinoshita
    • Toshihiro TakagiKosuke Kinoshita
    • H04N5/50
    • H04N5/50H04N5/4401H04N5/46H04N21/4263H04N21/4345H04N21/4383
    • A television device includes a reception device, a first decision unit, and a second decision unit. The reception device receives, from a broadcast signal of a system set, a channel which is tuned. The second decision unit, when it has been decided by the first decision unit that this channel for which tuning has been received is not registered in the channel map of the set broadcast signal, decides whether or not this channel is registered in the channel map of the broadcast signal of some other system. And, when it has been decided by the second decision unit that this channel for which tuning has been received is registered in the channel map of the broadcast signal of some other system, the reception device receives the channel for which tuning has been received from the broadcast signal of some other system.
    • 电视设备包括接收设备,第一判定单元和第二判定单元。 接收装置从系统组的广播信号接收被调谐的频道。 第二判定单元,当已经由第一判定单元确定已经接收到调谐的信道未被登记在所设置的广播信号的频道图中时,决定该频道是否被登记在频道映射中 一些其他系统的广播信号。 并且,当由第二决定单元判定已经接收到调谐的信道被登记在某个其他系统的广播信号的频道图中时,接收装置从接收装置接收已经接收到调谐的频道 一些其他系统的广播信号。
    • 6. 发明授权
    • Television broadcast receiver
    • 电视广播接收机
    • US07873975B2
    • 2011-01-18
    • US11167271
    • 2005-06-28
    • Toshihiro TakagiTatsuo Miyagawa
    • Toshihiro TakagiTatsuo Miyagawa
    • H04N7/20
    • H04N21/4345H04N5/4401H04N21/4263H04N21/431H04N21/44209H04N21/485
    • A television receiver is connected to a multi-directional antenna, and stores, in a memory, a receiving direction table containing: channel numbers; best receiving directions of the multi-directional antenna for receiving the respective channels; and register channel information indicating whether the channels are registered as selectable or non-selectable. The receiving direction table is used for selecting each channel. Based on the operation of a user interface by a user (S42), the register channel information of the receiving direction table can be changed (S44, S46), so that the user can optionally set selectable channels. Best receiving directions of channels registered in the receiving direction table as non-selectable are deleted from the receiving direction table (S45), so that the amount of information stored in the memory can be reduced, thereby saving capacity of the memory.
    • 电视接收机连接到多向天线,并且在存储器中存储包含频道号的接收方向表; 用于接收各个信道的多向天线的最佳接收方向; 并且注册指示信道是否被注册为可选择或不可选的信道信息。 接收方向表用于选择每个通道。 基于用户的用户界面的操作(S42),可以改变接收方向表的登记信道信息(S44,S46),使得用户可以选择地设置可选择的频道。 从接收方向表中删除在接收方向表中登记的不可选择的频道的最佳接收方向(S45),从而可以减少存储在存储器中的信息量,从而节省存储器的容量。
    • 9. 发明授权
    • Digital television broadcast signal receiver
    • 数字电视广播信号接收机
    • US07761897B2
    • 2010-07-20
    • US11167278
    • 2005-06-28
    • Toshihiro TakagiYoshihisa NagamuraYasuhiro Inui
    • Toshihiro TakagiYoshihisa NagamuraYasuhiro Inui
    • H04N7/20
    • H04N5/50H04B7/0814H04N5/4401H04N21/42638H04N21/4345H04N21/4383H04N21/44209
    • A TV receiver preliminarily measures and stores, in a memory, data of best receiving directions, each giving maximum signal intensity, of a multi-directional antenna for receivable channels. When the antenna rotationally shifts physically for some reason, one channel is selected and subjected to measurements by an omni-directional scanning again to determine a new best receiving direction. A receiving direction number difference between the stored best receiving direction and the new best receiving direction of the same channel is determined. Using the receiving direction number difference for the one channel, all data stored in the memory are renewed at one time, the data being the best receiving direction numbers and the signal intensities therefor for all the channels. The antenna direction can be quickly adjusted to the rotational shift by new measurements for one channel, without requiring time to make unnecessary measurements for all channels, achieving a best receiving condition steadily.
    • 电视接收机预先在存储器中测量并存储用于可接收频道的多方向天线的每个给出最大信号强度的最佳接收方向的数据。 当天线由于某种原因在物理上旋转移动时,选择一个通道并通过全向扫描再进行测量,以确定新的最佳接收方向。 确定存储的最佳接收方向与同一信道的新的最佳接收方向之间的接收方向号差。 使用一个通道的接收方向号差,一次更新存储在存储器中的所有数据,数据是所有通道的最佳接收方向编号和信号强度。 通过对一个通道进行新的测量可以将天线方向快速调整到旋转位移,而不需要时间对所有通道进行不必要的测量,从而达到稳定的最佳接收状态。
    • 10. 发明授权
    • Digital television broadcast signal receiver
    • 数字电视广播信号接收机
    • US07716706B2
    • 2010-05-11
    • US11167138
    • 2005-06-28
    • Toshihiro TakagiYoshihisa NagamuraYasuhiro Inui
    • Toshihiro TakagiYoshihisa NagamuraYasuhiro Inui
    • H04N7/20H04N5/50H04B17/00
    • H04N5/4401H01Q1/1257H04N21/4263H04N21/42638H04N21/4384H04N21/44209
    • A multi-directional antenna connected with a digital television broadcast signal receiver is arranged not to move one full turn instantaneously in response to an abrupt drop down in the intensity of a received signal thus to avoid any downward overshooting of the intensity of the received signal and eliminate any useless direction searching time while remains favorably controlled to face in the direction where the intensity of the received signal is at optimum. More specifically, the maximum of the intensity of a received signal at each channel is measured and the threshold is set to a level lower than the maximum. When the intensity of a received signal has dropped down from the threshold, the antenna remains not turned within a predetermined period of marginal time. The antenna is moved one full turn only when the intensity drops down from the threshold and stays continuously over the predetermined period of marginal time. Then, the maximum of the intensity of the received signal is modified and stored for future use.
    • 与数字电视广播信号接收机连接的多方向天线被布置为不响应于接收信号的强度的突然下降而瞬间移动一圈,从而避免接收信号的强度的任何向下过冲, 消除任何无用的方向搜索时间,同时保持有利地被控制以面对接收信号的强度处于最佳的方向。 更具体地,测量每个通道处的接收信号的强度的最大值,并且将阈值设置为低于最大值的电平。 当接收信号的强度从阈值下降时,天线保持不在预定的边缘时间段内转动。 只有当强度从阈值下降并持续超过预定的边缘时间周期时,天线才能移动一整圈。 然后,修改并存储接收信号的强度的最大值以供将来使用。