公开(公告)号：EP2058949A1

公开(公告)日：2009-05-13

申请号：EP07806378.1

申请日：2007-08-30

申请人： CLARION Co., Ltd.

发明人： ISHIDA, Masanori ,  KOYAMA, Kazuo ,  INAKO, Kazuyoshi ,  NAKAJIMA, Naoki

IPC分类号： H04B1/16

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是站点存在的; 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偏的信息。

公开(公告)号：EP2051392A1

公开(公告)日：2009-04-22

申请号：EP07806379.9

申请日：2007-08-30

申请人： CLARION Co., Ltd.

发明人： KOYAMA, Kazuo ,  ISHIDA, Masanori ,  INAKO, Kazuyoshi ,  NAKAJIMA, Naoki

IPC分类号： H04B1/16 ,  H03J5/02

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信道的频道搜索操作; 信道搜索控制装置，用于根据信道搜索引导装置的方向启动和控制信道寻找操作; 以及用于确定所选择的频道是否正在提供多声道数字广播的多声道确定装置; 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。

公开(公告)号：EP2051391A1

公开(公告)日：2009-04-22

申请号：EP07806377.3

申请日：2007-08-30

申请人： Clarion CO., LTD.

发明人： INAKO, Kazuyoshi ,  KOYAMA, Kazuo ,  ISHIDA, Masanori ,  NAKAJIMA, Naoki

IPC分类号： H04B1/16 ,  H04H1/00

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; 用于确定广播信号是否包括数字广播信号的数字确定装置; 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。

公开(公告)号：EP2051393A1

公开(公告)日：2009-04-22

申请号：EP07806380.7

申请日：2007-08-30

申请人： Clarion CO., LTD.

发明人： NAKAJIMA, Naoki ,  INAKO, Kazuyoshi ,  ISHIDA, Masanori ,  KOYAMA, Kazuo

IPC分类号： H04B1/16 ,  H03J5/02

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系统的信号格式传输的广播信号的广播接收器。 广播接收机包括接收装置，该接收装置保存与可以通过数字信号解码过程获取的信道有关的信息。 如果要使用与信道有关的信息并由信息保存装置保存，则使用它。