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    IBOC broadcasting receiver
    1.
    发明申请
    IBOC broadcasting receiver 有权
    IBOC广播接收机

    公开(公告)号：US20100210229A1

    公开(公告)日：2010-08-19

    申请号：US12310583

    申请日：2007-08-30

    申请人： Kazuyoshi Inako ,  Kazuo Koyama ,  Masanori Ishida ,  Naoki Nakajima

    发明人： Kazuyoshi Inako ,  Kazuo Koyama ,  Masanori Ishida ,  Naoki Nakajima

    IPC分类号： H04B1/18

    CPC分类号： H04H40/18 ,  H04H20/30 ,  H04H2201/183

    摘要： An broadcasting receiver suitable for receiving a broadcasting signal transmitted in an IBOC signal format, includes: a narrowband filtering means suitable for processing an analog broadcasting signal included in the broadcasting signal; a wideband filtering means suitable for processing a digital broadcasting signal included in the broadcasting signal; a demodulating means for demodulating the broadcasting signal; a signal level detecting means for detecting a level of the broadcasting signal; a digital determining means for determining whether the broadcasting signal includes digital broadcasting signal or not; and a filter switching means for switching filtering means for use in processing the broadcasting signal to be input to the demodulating means between the narrowband filtering means and the wideband filtering means, according to the level of the detected broadcasting signal, when the digital determining means determines that the broadcasting signal does not include the digital broadcasting signal.

    摘要翻译： 适用于接收以IBOC信号格式发送的广播信号的广播接收机包括：适用于处理广播信号中包含的模拟广播信号的窄带滤波装置; 适用于处理广播信号中包含的数字广播信号的宽带滤波装置; 解调装置，用于解调广播信号; 信号电平检测装置，用于检测广播信号的电平; 数字确定装置，用于确定广播信号是否包括数字广播信号; 以及滤波器切换装置，用于当数字确定装置确定时，根据检测到的广播信号的电平，将滤波装置切换用于处理要输入到窄带滤波装置和宽带滤波装置之间的解调装置的广播信号 广播信号不包括数字广播信号。

    Radio broadcasting receiver and method for seeking radio broadcasting
    2.
    发明授权
    Radio broadcasting receiver and method for seeking radio broadcasting 有权
    无线电广播接收机和寻求无线电广播的方法

    公开(公告)号：US08086198B2

    公开(公告)日：2011-12-27

    申请号：US12310596

    申请日：2007-08-30

    申请人： Kazuo Koyama ,  Masanori Ishida ,  Kazuyoshi Inako ,  Naoki Nakajima

    发明人： Kazuo Koyama ,  Masanori Ishida ,  Kazuyoshi Inako ,  Naoki Nakajima

    IPC分类号： H04B1/18

    CPC分类号： H03J1/0091 ,  H04H20/30 ,  H04H20/89 ,  H04H40/18 ,  H04H60/41 ,  H04H2201/183

    摘要： A broadcasting receiver suitable for receiving a broadcasting signal transmitted in an IBOC signal format, comprises: a channel seek directing means for directing to start a channel seeking operation that selects selectable channel in an order of frequency; a channel seek controlling means for starting and controlling the channel seeking operation in accordance with the direction of the channel seek directing means; and a multichannel determining means for determining whether a selected frequency channel is providing multichannel digital broadcasting or not; and wherein the channel seek controlling means selects a next subchannel in an order of identification code before searching for the next frequency channel, if it is determined by the multichannel determining means that the selected frequency channel is providing the multichannel digital broadcasting.

    摘要翻译： 适用于接收以IBOC信号格式发送的广播信号的广播接收机包括：信道寻道引导装置，用于引导以频率顺序选择可选频道的频道搜索操作; 频道搜索控制装置，用于根据频道搜索引导装置的方向启动和控制频道搜索​​操作; 以及多通道确定装置，用于确定所选择的频道是否正在提供多声道数字广播; 并且其中，如果由所述多通道确定装置确定所选择的频道正在提供所述多声道数字广播，则所述频道搜索控制装置以搜索下一个频道之前的识别码的顺序选择下一个子信道。

    IBOC broadcasting receiver
    4.
    发明授权
    IBOC broadcasting receiver 有权
    IBOC广播接收机

    公开(公告)号：US08265585B2

    公开(公告)日：2012-09-11

    申请号：US12310583

    申请日：2007-08-30

    申请人： Kazuyoshi Inako ,  Kazuo Koyama ,  Masanori Ishida ,  Naoki Nakajima

    发明人： Kazuyoshi Inako ,  Kazuo Koyama ,  Masanori Ishida ,  Naoki Nakajima

    IPC分类号： H04B1/10

    CPC分类号： H04H40/18 ,  H04H20/30 ,  H04H2201/183

    摘要： An broadcasting receiver suitable for receiving a broadcasting signal transmitted in an IBOC signal format, includes: a narrowband filtering means suitable for processing an analog broadcasting signal included in the broadcasting signal; a wideband filtering means suitable for processing a digital broadcasting signal included in the broadcasting signal; a demodulating means for demodulating the broadcasting signal; a signal level detecting means for detecting a level of the broadcasting signal; a digital determining means for determining whether the broadcasting signal includes digital broadcasting signal or not; and a filter switching means for switching filtering means for use in processing the broadcasting signal to be input to the demodulating means between the narrowband filtering means and the wideband filtering means, according to the level of the detected broadcasting signal, when the digital determining means determines that the broadcasting signal does not include the digital broadcasting signal.

    摘要翻译： 适用于接收以IBOC信号格式发送的广播信号的广播接收机包括：适用于处理广播信号中包含的模拟广播信号的窄带滤波装置; 适用于处理广播信号中包含的数字广播信号的宽带滤波装置; 解调装置，用于解调广播信号; 信号电平检测装置，用于检测广播信号的电平; 数字确定装置，用于确定广播信号是否包括数字广播信号; 以及滤波器切换装置，用于当数字确定装置确定时，根据检测到的广播信号的电平，将滤波装置切换用于处理要输入到窄带滤波装置和宽带滤波装置之间的解调装置的广播信号 广播信号不包括数字广播信号。

    IBOC BROADCAST RECEIVER
    5.
    发明申请
    IBOC BROADCAST RECEIVER 有权
    IBOC广播接收机

    公开(公告)号：US20110128996A1

    公开(公告)日：2011-06-02

    申请号：US12310578

    申请日：2007-08-30

    申请人： Naoki Nakajima ,  Kazuyoshi Inako ,  Masanori Ishida ,  Kazuo Koyama

    发明人： Naoki Nakajima ,  Kazuyoshi Inako ,  Masanori Ishida ,  Kazuo Koyama

    IPC分类号： H04B1/00

    CPC分类号： H03J1/0075 ,  H04H20/30 ,  H04H60/44 ,  H04H60/73 ,  H04H2201/183

    摘要： A broadcast receiver suitable for receiving broadcast signals transferred by use of signal format of IBOC system. The broadcast receiver comprises a receiving means that holds information related to channels that can be acquired by a digital signal decoding process. If information related to a channel is to be used and is held by the information holding means, then it is used.

    摘要翻译： 适用于接收使用IBOC系统的信号格式传送的广播信号的广播接收机。 广播接收机包括一个接收装置，用于保存与可以通过数字信号解码过程获得的信道有关的信息。 如果要使用与信道相关的信息并由信息保持装置保存，则使用它。

    Broadcast receiver and broadcast channel seek method
    6.
    发明授权
    Broadcast receiver and broadcast channel seek method 有权
    广播接收机和广播频道寻道方式

    公开(公告)号：US08121566B2

    公开(公告)日：2012-02-21

    申请号：US12310614

    申请日：2007-08-30

    申请人： Masanori Ishida ,  Kazuo Koyama ,  Kazuyoshi Inako ,  Naoki Nakajima

    发明人： Masanori Ishida ,  Kazuo Koyama ,  Kazuyoshi Inako ,  Naoki Nakajima

    IPC分类号： H04B1/18

    CPC分类号： H04H40/18 ,  H04H20/30 ,  H04H60/43 ,  H04H2201/183

    摘要： A broadcasting receiver suitable for receiving broadcasting signal transmitted with signal format is provided in which carrier wave is allocated in a frequency channel with certain frequency offset and signal intensity, which comprises: an information acquiring means for acquiring information related to the frequency channel in seek; and a station existence determining means for determining whether the frequency channel is station-existent or not based on information acquired by the information acquiring means; and wherein, the information acquiring means acquires information for receiving intensity of carrier wave and information for frequency offset.

    摘要翻译： 提供一种适用于接收以信号格式发送的广播信号的广播接收机，其中载波在具有特定频率偏移和信号强度的频道中分配，其包括：信息获取装置，用于获取与寻道中的频道相关的信息; 以及站存在确定装置，用于基于由所述信息获取装置获取的信息来确定所述频道是否存在; 并且其中，所述信息获取装置获取用于接收载波强度的信息和用于频率偏移的信息。

    RADIO BROADCASTING RECEIVER AND METHOD FOR SEEKING RADIO BROADCASTING
    7.
    发明申请
    RADIO BROADCASTING RECEIVER AND METHOD FOR SEEKING RADIO BROADCASTING 有权
    无线电广播接收机和无线广播的方法

    公开(公告)号：US20100227579A1

    公开(公告)日：2010-09-09

    申请号：US12310596

    申请日：2007-08-30

    申请人： Kazuo Koyama ,  Masanori Ishida ,  Kazuyoshi Inako ,  Naoki Nakajima

    发明人： Kazuo Koyama ,  Masanori Ishida ,  Kazuyoshi Inako ,  Naoki Nakajima

    IPC分类号： H04B1/18

    CPC分类号： H03J1/0091 ,  H04H20/30 ,  H04H20/89 ,  H04H40/18 ,  H04H60/41 ,  H04H2201/183

    摘要： A broadcasting receiver suitable for receiving a broadcasting signal transmitted in an IBOC signal format, comprises: a channel seek directing means for directing to start a channel seeking operation that selects selectable channel in an order of frequency; a channel seek controlling means for starting and controlling the channel seeking operation in accordance with the direction of the channel seek directing means; and a multichannel determining means for determining whether a selected frequency channel is providing multichannel digital broadcasting or not; and wherein the channel seek controlling means selects a next subchannel in an order of identification code before searching for the next frequency channel, if it is determined by the multichannel determining means that the selected frequency channel is providing the multichannel digital broadcasting.

    摘要翻译： 适用于接收以IBOC信号格式发送的广播信号的广播接收机包括：信道寻道引导装置，用于引导以频率顺序选择可选频道的频道搜索操作; 频道搜索控制装置，用于根据频道搜索引导装置的方向启动和控制频道搜索​​操作; 以及多通道确定装置，用于确定所选择的频道是否正在提供多声道数字广播; 并且其中，如果由所述多通道确定装置确定所选择的频道正在提供所述多声道数字广播，则所述频道搜索控制装置以搜索下一个频道之前的识别码的顺序选择下一个子信道。

    BROADCAST RECEIVER AND BROADCAST CHANNEL SEEK METHOD
    8.
    发明申请
    BROADCAST RECEIVER AND BROADCAST CHANNEL SEEK METHOD 有权
    广播接收机和广播频道查询方法

    公开(公告)号：US20100210228A1

    公开(公告)日：2010-08-19

    申请号：US12310614

    申请日：2007-08-30

    申请人： Masanori Ishida ,  Kazuo Koyama ,  Kazuyoshi Inako ,  Naoki Nakajima

    发明人： Masanori Ishida ,  Kazuo Koyama ,  Kazuyoshi Inako ,  Naoki Nakajima

    IPC分类号： H04B1/18

    CPC分类号： H04H40/18 ,  H04H20/30 ,  H04H60/43 ,  H04H2201/183

    摘要： A broadcasting receiver suitable for receiving broadcasting signal transmitted with signal format is provided in which carrier wave is allocated in a frequency channel with certain frequency offset and signal intensity, which comprises: an information acquiring means for acquiring information related to the frequency channel in seek; and a station existence determining means for determining whether the frequency channel is station-existent or not based on information acquired by the information acquiring means; and wherein, the information acquiring means acquires information for receiving intensity of carrier wave and information for frequency offset.

    摘要翻译： 提供一种适用于接收以信号格式发送的广播信号的广播接收机，其中载波在具有特定频率偏移和信号强度的频道中分配，其包括：信息获取装置，用于获取与寻道中的频道相关的信息; 以及站存在确定装置，用于基于由所述信息获取装置获取的信息来确定所述频道是否存在; 并且其中，所述信息获取装置获取用于接收载波强度的信息和用于频率偏移的信息。

    Amplifier circuit
    9.
    发明授权
    Amplifier circuit 有权
    放大器电路

    公开(公告)号：US08766715B2

    公开(公告)日：2014-07-01

    申请号：US13511233

    申请日：2011-08-29

    申请人： Kazuo Koyama

    发明人： Kazuo Koyama

    IPC分类号： H03F3/45

    CPC分类号： H03F3/45475 ,  H03F3/3022 ,  H03F3/45183 ,  H03F3/45928 ,  H03F2203/45082 ,  H03F2203/45528

    摘要： An amplifier circuit capable of reducing load of a circuit at the previous stage by providing increased input impedance producing less noises. The amplifier circuit includes a fully-differential operational amplifier composed of an inverting input terminal, a non-inverting input terminal receiving a signal different from a signal to be input to the inverting input terminal, an inverting output terminal with the same polarity of the inverting input terminal, and a non-inverting output terminal with reverse polarity; an input impedance element with one end connected to the inverting input terminal; an input impedance element with one end connected to the non-inverting input terminal; and positive feedback impedance elements, with one end of connected to the other end of the input impedance element and the other end connected to the inverting output terminal or to the non-inverting output terminal.

    摘要翻译： 一种放大器电路，其能够通过提供增加的输入阻抗产生较少的噪声来减小前一电路的负载。 放大器电路包括由反相输入端子，非反相输入端子接收与要输入到反相输入端子的信号不同的信号的全差分运算放大器，反相输出端子具有与反相输入端子相同极性的反相输出端子 输入端子和反相输出端子; 输入阻抗元件，其一端连接到反相输入端子; 输入阻抗元件，其一端连接到非反相输入端子; 和正反馈阻抗元件，其一端连接到输入阻抗元件的另一端，另一端连接到反相输出端或非反相输出端。