CN102859997A - 多输入电视接收器 - Google Patents

多输入电视接收器 Download PDF

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CN102859997A
CN102859997A CN201180020422XA CN201180020422A CN102859997A CN 102859997 A CN102859997 A CN 102859997A CN 201180020422X A CN201180020422X A CN 201180020422XA CN 201180020422 A CN201180020422 A CN 201180020422A CN 102859997 A CN102859997 A CN 102859997A
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CN102859997B (zh
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马克斯·韦恩·杰克森
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Dish Technologies LLC
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Abstract

本发明大体上是针对一种具有多输入的电视接收器，一些输入接受本地广播且一些输入接受卫星发射或跨另一网络的发射。所述电视接收器可以本地发射的初始形式及本地发射的初始频率将本地发射传递到显示器，同时重新调谐所述显示器以所述发射的初始频率接收所述发射。所述电视接收器也可根据需要接收、处理及提供卫星节目或其它类型的节目到所述电视。随着用户在本地广播频道与卫星频道之间改变，所述接收器的调制器的输出可来回切换。此外，可提供以集成方式包含两种节目源的信息的EPG。

Description

多输入电视接收器
相关申请案的交叉参考
本专利合作条约专利申请案主张2010年3月26日申请的题为“多输入电视接收器(Multiple Input Television Receiver)”的第61/317,843号美国临时申请案的优先权，所述申请案的全部内容以引用的方式并入本文中。
技术领域
本文所揭示的实施例大体上涉及具有多输入的电视接收器，且更具体地说涉及一种具有多输入及能在这些输入之间切换的调制器的电视接收器。
背景技术
总地来说，可通过许多不同的网络供应现代视听节目。例如，卫星内容提供者可跨卫星网络将节目发射到机顶盒。同样，本地电视提供者可在地面上广播内容。
在许多情况中，消费者可具有用以接收第一类型节目的电视接收器(例如上述机顶盒)及用以接收第二类型节目(即地面广播)的天线。对于用户而言，这可能很麻烦，因为要求用户在观看第一类型节目时与电视接收器互动但是在观看地面广播时强迫用户忽略电视接收器。取而代之的是，在观看地面广播时，用户可能需要改变电视或连接到天线的其它类型的显示器上的频道。因为用户在装置与输入之间来回切换，所以不能实现顺畅体验。
发明内容
实施例大体上是针对一种具有多输入的电视接收器，一些输入接收本地广播且一些输入接收卫星发射或跨另一网络的发射。所述电视接收器可以本地发射的初始形式及本地发射的初始频率将本地发射传递到显示器，同时重新调谐所述显示器以所述发射的初始频率接收所述发射。所述电视接收器也可根据需要接收、处理及提供卫星节目或其它类型的节目到电视。随着用户在本地广播频道与卫星频道之间改变，所述接收器的调制器的输出可来回切换。此外，可提供以集成方式包含两种节目源的信息的EPG。
一个实施例是针对一种用于接收及输出多种类型的信号的设备，其包括：接收第一信号的第一输入；接收第二信号的第二输入；处理电路，其操作地连接到所述第一输入且操作以处理所述第一信号，因此产生经处理的信号；调制器，其操作地连接到所述第二输入及所述处理电路；其中所述调制器操作以输出所述第二信号与经处理的信号中的至少一者。
另一实施例是针对一种从多输入电视接收器提供输出的方法，其包括：接收命令以从第一状态变成第二状态；确定所述第二状态对应于第一输入信号与第二输入信号的哪一者；在所述第二状态对应于所述第一输入信号的情况中，处理所述第一输入信号以产生经处理的信号；在所述第二状态对应于所述第一输入信号的情况中，输出所述经处理的信号；及在所述第二状态对应于所述第二输入信号的情况中，输出所述第二输入信号。
又一实施例是针对一种提供电子节目数据到电视接收器的方法，其包括：编译第一频道列表，所述第一频道列表包含可通过电视接收器处的与第一输入信号相关联的天线获得的所有频道；编译第二频道列表，所述第二频道列表包含可通过电视接收器处的与第二输入信号相关联的天线获得的所有频道；及将所述第一频道列表及所述第二频道列表合并成电子节目指南数据；及将所述电子节目指南数据从服务提供者发射到所述电视接收器。
附图说明
图1描绘在样本操作环境中的样本电视接收器。
图2是大体上展示卫星内容提供者可如何实施EPG及频道映射以与图1的电视接收器操作的流程图。
图3描绘一种用于利用关于图1所描述的电视接收器在各频道间改变的方法。
具体实施方式
总地来说，本文所讨论的实施例可促进用顺畅或相对顺畅的方式观看跨多输入流递送的内容。作为一个实例，电视接收器可经配置以接收多个节目，每个节目承载于唯一的输入发射上，其中每个发射是跨不同的媒体或以不同的频率被接收。随着用户调谐或以其它方式配置所述电视接收器，所述接收器可显示与所述接收器调谐/配置到的输入及/或发射相关联的节目。此通过所述电视接收器响应于用户输入的操作而发生。
作为以上内容的一个实例，所述电视接收器可为具有本地广播天线输入及卫星广播输入的机顶盒。所述本地广播输入与所述卫星广播输入两者可连接到所述机顶盒内(或在一些情况中，所述机顶盒外部)的调制器。所述机顶盒可跨卫星应答器接收数据流集合(例如，包识别符或“PID”)。这些PID可一起组成频道或节目且指派给特定识别符(例如频道号码)。所述机顶盒、与所述机顶盒相关联的电子节目指南或另一外部节目设施或信号可将PID群组指派给特定频道。
继续所述实例，可经由本地广播天线接收第二组数据；此第二组数据可组成第二频道或节目。可将第二组数据指派给第二识别符，例如不同的频道号码。因此，第一频道可对应于卫星广播，且第二频道可对应于地面广播。
当用户选择第一频道时，机顶盒可正常地处理PID且因此输出对应的卫星内容到显示器。当用户切换到第二频道时，机顶盒可发出命令到显示器以调谐到对应于第二频道的频道号码。例如，此命令可通过红外线(“IR”)发射器发射。同样，机顶盒可通过调制器输出来自对应的地面广播的数据。为此，机顶盒可通过调制器传递数据同时将调制器从卫星广播输入切换到地面广播输入。因此，机顶盒用作为地面广播的通路且也指示显示器调谐到合适的频率以展示地面广播。(因为地面广播的频率通常不会被机顶盒修改，所以显示器可调谐到对应的频道以展示所述广播。)
因此，广播/频道类型的切换是由机顶盒处理且并不要求用户直接切换输入。这又因为频道改变命令具有展示所要频道的作用而不管对应于所述频道的输入类型，所以提供相对顺畅的用户体验。
图1描绘在样本操作环境中的样本电视接收器104。此处，电视接收器104是机顶盒，但是替代实施例可采用电缆接线箱、具有经合适配置的接收器电路的电视、模/数电视转换器等形式。总地来说，电视接收器104包含卫星输入108及天线输入112，且可取决于实施例而具有额外输入(例如电缆输入、USB端口、以太网络输入、网络输入等)。
卫星输入108是连接到卫星前盘及低噪声块喇叭天线112(在图1中标记为识别为“LNB”的框)，卫星前盘及低噪声块喇叭天线112从卫星116接收发射。卫星发射是由所述LNB接收，所述LNB又可对卫星信号进行频率转换，且沿着连接到卫星输入108的电缆将其发射到电视接收器104。LNB的操作为所属领域的技术人员所充分了解，因此本文将不进一步讨论。
类似地，天线输入112是连接到经配置以接收发射(例如承载本地广播的地面发射)的天线120。天线120接收这些广播且跨连接到天线输入112的电缆将其中继到电视接收器。因此，可知电视接收器可接受卫星广播与本地广播两者，卫星广播与本地广播的各者是以不同的频率及/或根据不同的频率调制方案发射。因此，本文所述的实施例可接收、处理及输出多个不同输入。
总地来说，承载于卫星发射上的数据是由电视接收器104内的电路格式化且以其它方式操纵。此电路在图1中由标记为“处理电路”的框124表示。数据格式化及/或操纵包含例如带叠、频率转换、调制、解调、处理MPEG-1、MPEG-2及/或MPEG-4数据等的操作。因此，处理电路124可包含解调器、调制器、带叠电路、一个或一个以上存储装置(例如存储器)、一个或一个以上处理器等。
将所述经处理的卫星数据提供到调制器128。调制器128在图1中展示为处在电视接收器104内，但是在替代实施例中，所述调制器可在接收器104外部，插入所述接收器或以其它方式与接收器104分离。
相比之下，从本地天线112接收的数据未经处理接收器电路124处理。取而代之的是，以所述数据被接收的形式或“原始”形式将其提供到调制器128。
调制器128可作为具有多个输入及(在此情况中)单一输出的数据切换器。调制器128将经处理的卫星数据及本地天线数据中的一者发射到输出或显示装置132。显示器132可取得所接收的数据并将其呈现给用户。例如，数据可为视听内容。在替代实施例中，调制器128可具有多个输出，每个输出可连接到单独的显示器。在一些情况中，多个调制器输出可连接到单一显示器以提供“画中画”的分割屏幕或其它多数据观看功能。
除上述外，电视接收器104可包含红外线发射器136或收发器(本文中称为“IR发射器”)。所述IR发射器可以红外线波形发射命令到显示器132。例如，所述命令可指示显示器132改变或调谐到不同频道。因此，当用户从卫星频道改变到本地广播频道时，调制器128可切换输入并传递本地广播发射及相关联数据(其通常已经格式化且处于对应于所选频道的频率)。此外，IR发射器136可发送命令到所述电视以调谐远离其上通常显示卫星发射的频道且调谐到用户所选的频道。
以此方式，用户可指示电视接收器104改变频道，且当选择本地广播频道时，电视接收器104可将所述指令中继到电视且传递原始的本地馈送以供显示。本文所讨论的实施例可采用电视132上的单一频道显示从卫星接收的所有内容，根据需要重新调谐及/或传递所选的PID以展示用户所选的频道，及使用电视上的其它频道显示传递到电视接收器104而未处理的无线电广播。因此，因为电视接收器遥控器140可用于所有频道的选择，可显示卫星频道与本地频道两者的单一电子节目指南(“EPG”)，且用户在选择本地频道时无需亲自重新调谐电视132，所以用户体验是顺畅的。
图2是大体上展示卫星内容提供者可如何实施EPG及频道映射以与图1的电视接收器104操作的流程图。应注意的是，此仅为用于产生EPG的一种可能的方法，且在不背离本文件的精神或范围的情况下可能存在其它方法。
在操作200中，所述内容提供者(例如卫星发射提供者或卫星网络运营商)可编译所有卫星频道的列表。本文所用的卫星“频道”指代PID集合，所述PID集合一起展示与特定时隙及节目源(例如HBO、FOX、ESPN等)相关联的具体节目。因此，所述“频道”未必是其上发射内容或其它数据的特定频率，而是共同相关联的数据流的集合。
在操作205中，所述内容提供者可编译本地频道的列表。“本地频道”是在特定频率(通常在UHF或VHF频带中)下地面广播的频道。则本地广播频道是与具体频率相关联。通常，不同的本地频道是以广播频谱的不同频率广播。
由上述可知，当机顶盒或其它电视接收器切换到不同卫星频道时，所述机顶盒或其它电视接收器选择不同的PID群组用于处理及显示。相比之下，当选择本地频道且通过调制器传递用于显示时，显示器本身重新调谐到合适的频率以接收本地频道数据。下文关于图3对此进行更详细讨论。
一旦已编译卫星频道及本地频道的列表，在操作210中内容提供者可确定任何卫星频道是否与任何本地频道重叠。即，如果卫星频道与本地频道两者皆具有相同的频道名称(例如，相同的频道号码)，则认为它们重叠。在此重叠情况中，在操作215中内容提供者可将卫星频道重新指派给卫星频道列表上的另一未占用的频道名称。在替代实施例中，可重新指派本地广播频道。如果不存在重叠或在操作215之后，则执行操作220。
在操作220中，内容提供者可通过合并卫星频道列表及本地频道列表而产生频道映射。此经合并的列表可在操作225中用于产生EPG，又可在操作230中将所述EPG发射到电视接收器。跨网络的EPG的发射已为所属领域的技术人员所众所周知。操作225中所产生的EPG通常包含卫星广播频道与本地广播频道两者的节目信息(尽管并非必需)。因此，当电视接收器的用户显示所述EPG时，电视接收器可展示两种类型频道的节目信息。因此，因为所述EPG包含卫星广播频道与本地广播频道两者及这两种节目，所以迄今可认为所述EPG是“统一EPG”。
应注意的是，将图2的方法中的若干操作描述为由内容提供者执行。实际上，可使这些操作自动化且可由内容提供者拥有且/或操作的计算装置执行。在替代操作中，电视接收器可包含操作以执行操作200到220(及，任选地，操作225)的电路，因此通过动态地重新映射从内容提供者接收的卫星频道列表及跨本地天线输入检测的本地频道列表而产生讨论中的电视接收器特有的“虚拟EPG”。可以内容提供者所供应的EPG形式提供卫星频道列表。
图3描绘一种用于利用关于图1所描述的电视接收器在频道之间改变的方法。起初，在操作300中，电视接收器从内容提供者接收EPG并处理所述EPG。在操作305中，电视接收器可确定所述EPG的频道的频道分离。即，电视接收器可确定列于所述EPG中的哪些频道是通过卫星发射提供及哪些频道是通过本地广播提供。此信息可含于所述EPG中或可由电视接收器在本地确定。
作为本地确定的一个实例，电视接收器可扫描在本地天线输入上接收的本地广播。因为每个所接收的本地广播占据特定频带，所以电视接收器通常可从频带中确定所述本地广播的对应频道。电视接收器可假定所有其它频道皆为卫星频道。
在操作310中，电视接收器从用户接收频道改变命令。作为响应，接收器在操作315中确定新选频道是否为本地频道。如果所述新选频道是本地频道，则进入操作320且调制器经设定以提供所选的本地频道到显示器。即，所述调制器(及电视接收器)用作本地广播频道的通路。在操作325中，电视接收器发出命令到显示器以改变所述显示器所调谐到的频道。总地来说，电视接收器指示所述显示器改变到对应于用户在操作310所选的本地广播频道的频道。因为所述本地广播是通过电视接收器及调制器传递而未经任何处理，所以显示器经适当调谐以显示及接收本地广播。
在操作325之后，所述方法在结束状态340中终止。
在操作315中，如果电视接收器确定新选频道不是本地频道(例如，是卫星频道)，则进入操作330且调制器经设定以提供卫星输出到显示器。在操作335中，电视接收器经“重新调谐”以选择对应于新选频道的PID。这些PID经所述电视接收器处理且通过调制器被提供到显示器。因为显示器尚未改变其所调谐到的频道，所以所述显示器继续在经适当指派的频道或输入上从电视接收器接收数据。许多显示器经配置以在频道3或频道4(例如)或在特定音频/视频输入上从电视接收器接收输出。
在操作335之后，所述方法在结束状态340中终止。
由上述可知，单一电视接收器可具有多个输入，一些输入接受本地广播且一些输入接受卫星发射或跨另一网络的发射。电视接收器可以本地发射的初始形式及本地发射的初始频率将本地发射传递到显示器，同时重新调谐所述显示器以所述发射的初始频率接收所述发射。此外，电视接收器可继续以标准模式操作，从而根据需要接收、处理卫星节目且提供卫星节目到电视。随着用户在本地广播频道与卫星频道之间改变，所述接收器的调制器的输出可来回切换。此外，可提供以集成方式包含两种节目源的信息的EPG。
总地来说，已关于卫星发射及网络描述本文中的实施例。应了解的是，替代实施例可与不同或额外网络操作，例如电缆网络、因特网、以太网络或其它局域网络等。
虽然本文中已描述特定设备、实例及方法，但是所属领域的技术人员在阅读本发明以后易于得知变更。因此，在随附权利要求书中阐述本发明的适当范畴。
虽然本文中结合图1中所示的示范性卫星广播系统讨论实施例，但是应了解的是，实施例可结合其它类型的网络或内容递送机制使用。总地来说，本发明包含跨网络或经由网络从提供者递送到接收器的内容。可跨其递送内容的网络可包含卫星系统，例如图1中所示的卫星系统。或者，所述网络可包含有线电视网络、局域网络、广域网络或因特网。结合某些实施例，接收器可包含可操作以跨网络(例如因特网的广域网络)接收数据或其它内容的通用计算机。在所述实施例中，计算机可经配置使得提供者可接入网站、文件传送协议(FTP)站点、文件共享系统或站点等。此外，本文中所描述的方法操作(例如图2及图3中所示的方法操作)的顺序是举例而言且为限制。在不背离本发明的精神及范畴的情况下，某些实施方案可对方法操作重新排序。

Claims (20)

1.一种用于接收及输出多种类型的信号的设备，其包括：
接收第一信号的第一输入；
接收第二信号的第二输入；
处理电路，其操作地连接到所述第一输入且操作以处理所述第一信号，借此产生经处理的信号；
调制器，其操作地连接到所述第二输入及所述处理电路；其中
所述调制器操作以输出所述第二信号与所述经处理的信号中的至少一者。
2.根据权利要求1所述的设备，其进一步包括：
连接到所述处理电路的红外线发射器，所述红外线发射器经配置以在所述调制器输出所述第二信号时发送频道改变命令。
3.根据权利要求1所述的设备，其中所述调制器操作以输出所述第二信号与所述经处理的信号两者。
4.根据权利要求3所述的设备，其中所述调制器响应于请求画中画显示的信号而输出所述第二信号与所述经处理的信号两者。
5.根据权利要求1所述的设备，其中所述第一信号是卫星电视发射。
6.根据权利要求1所述的设备，其中所述第一信号是有线电视发射。
7.根据权利要求1所述的设备，其中所述第二信号是本地电视发射。
8.一种从多输入电视接收器提供输出的方法，其包括：
接收命令以从第一状态变成第二状态；
确定所述第二状态对应于第一输入信号与第二输入信号中的哪一者；
在所述第二状态对应于所述第一输入信号的情况中，处理所述第一输入信号以产生经处理的信号；
在所述第二状态对应于所述第一输入信号的情况中，输出所述经处理的信号；及
在所述第二状态对应于所述第二输入信号的情况中，输出所述第二输入信号。
9.根据权利要求8所述的方法，其进一步包括：
在所述第二状态对应于所述第二输入信号的情况中，发出频道改变命令到输出装置，所述频道改变命令指示所述输出装置调谐到对应于所述第二状态的频率。
10.根据权利要求8所述的方法，其进一步包括：
在所述第二状态对应于所述第二输入信号的情况中，发出频道改变命令到输出装置，所述频道改变命令指示所述输出装置调谐到专用于接收所述第一输入信号的频率。
11.根据权利要求10所述的方法，其中专用于接收所述第一输入信号的所述频率对应于所述输出装置处的频道3或4。
12.根据权利要求8所述的方法，其进一步包括：
接收多个频道的电子节目指南数据；
确定频道分离，所述频道分离指示所述电子节目指南数据中的所述多个频道的哪些频道对应于所述第一输入信号及哪些频道对应于所述第二输入信号；且
其中确定所述第二状态对应于第一输入信号与第二输入信号中的哪一者的所述操作包含参考所述频道分离。
13.根据权利要求12所述的方法，其中确定频道分离的所述操作包括：
扫描与所述第二输入信号相关联的天线上的本地广播频道；
将任何本地广播频道指派给所述第二输入信号；及
将所述电子节目指南数据中的在所述扫描操作中未发现的任何频道指派给所述第一输入信号。
14.根据权利要求8所述的方法，其进一步包括：
编译第一频道列表，所述第一频道列表包含可通过与所述第一输入信号相关联的天线获得的所有频道；
编译第二频道列表，所述第二频道列表包含可通过与所述第二输入信号相关联的天线获得的所有频道；及
将所述第一频道列表与所述第二频道列表合并成虚拟电子节目指南。
15.根据权利要求14所述的方法，其进一步包括：
确定所述第一频道列表中的频道与所述第二频道列表中的频道重叠；及
将所述第一频道列表中的所述频道及所述第二频道列表中的所述频道的一者重新指派给不重叠频道。
16.根据权利要求8所述的方法，其中所述第一输入信号是卫星电视发射。
17.根据权利要求8所述的方法，其中所述第一输入信号是有线电视发射。
18.根据权利要求8所述的方法，其中所述第二输入信号是本地电视发射。
19.一种提供电子节目数据到电视接收器的方法，其包括：
编译第一频道列表，所述第一频道列表包含可通过电视接收器处的与第一输入信号相关联的天线获得的所有频道；
编译第二频道列表，所述第二频道列表包含可通过电视接收器处的与第二输入信号相关联的天线获得的所有频道；及
将所述第一频道列表与所述第二频道列表合并成电子节目指南数据；及
将所述电子节目指南数据从服务提供者发射到所述电视接收器。
20.根据权利要求19所述的方法，其进一步包括：
确定所述第一频道列表中的频道与所述第二频道列表中的频道重叠；及
将所述第一频道列表中的所述频道与所述第二频道列表中的所述频道的一者重新指派给不重叠频道。
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