CN101035226A - 电视装置 - Google Patents

电视装置 Download PDF

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Publication number
CN101035226A
CN101035226A CNA2007100858845A CN200710085884A CN101035226A CN 101035226 A CN101035226 A CN 101035226A CN A2007100858845 A CNA2007100858845 A CN A2007100858845A CN 200710085884 A CN200710085884 A CN 200710085884A CN 101035226 A CN101035226 A CN 101035226A
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CN
China
Prior art keywords
loud speaker
sound
distance
display
television equipment
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Granted
Application number
CNA2007100858845A
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English (en)
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CN100466704C (zh
Inventor
坂田竜也
目黑刚也
白石由人
三木裕
小泉英嗣
荒木知美
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Sony Corp
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Sony Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/642—Disposition of sound reproducers
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • G—PHYSICS
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    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
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Abstract

在此公开了一种电视装置，包括：薄显示器；安装部分，它放置在一个地点；支撑机构，从所述安装部分向上突出，并且以允许显示器改变其姿态的方式在与安装部分相隔的上部支撑所述显示器；第一扬声器，安装在所述显示器上；第二扬声器，安装在所述安装部分上；信号提供部分，配置为向所述第一扬声器提供第一音频信号，并且向所述第二扬声器提供第二音频信号；信号处理器，配置为调整在从所述信号提供部分输出的所述第一音频信号的定时和从所述信号提供部分输出的所述第二音频信号的定时之间的时间差。

Description

电视装置
技术领域
本发明涉及一种电视装置。
背景技术
近些年来，已经提供了一种电视装置，它具有：薄显示板，包括液晶显示器、等离子体显示器或者有机电致发光(有机EL)显示器；扬声器，用于输出声音；和外壳，其中容纳所述显示板和扬声器(参见日本专利公开第2005-165350号)。
但是，因为在显示板左、右和下侧包含扬声器，因此上述的电视装置在其设计上有限制并且在改善其设计和美感方面的努力上有局限。
发明内容
本申请人已经提出了一种设计新颖的电视装置，它向用户提供了浮动电视显示(floating television display)的错觉，如在日本专利公开第2005-333279号中所公开的那样。
所公开的电视装置包括：薄电视显示器；第一扬声器，它位于所述显示器内；安装部分，放置在一个地点；支撑机构，它从安装部分向上突出，并且以使得显示器可以改变其姿态的方式、在与安装部分相隔的上部支撑所述显示器；第二扬声器，它位于安装部分中。
所述电视装置使得用户可以具有浮动显示器的错觉，并且以使得显示器可以改变其姿态的方式来支撑显示器。如果向安装部分前面大幅度地拉动显示器，则从用户的耳朵到第二扬声器的距离变得大于从用户的耳朵到第一扬声器的距离。
因此，从第一扬声器发出的声音比从第二扬声器发出的声音到达用户的耳朵更早地到达用户的耳朵，使得用户感觉不舒适和不自然。
按照本发明的一个实施例，期望提供一种电视装置，它有效地再现良好质量的声音。
按照本发明的一个实施例，提供了一种电视装置，它包括：薄显示器；安装部分，它适于放置在一个地点；支撑机构，它从安装部分向上突出，并且以使得显示器可以改变其姿态的方式在与安装部分相隔的上部分支撑所述显示器；第一扬声器，安装在所述显示器上；第二扬声器，安装在安装部分上；信号提供部分，用于向第一扬声器提供第一音频信号，并且向第二扬声器提供第二音频信号；信号处理器，用于调整在从所述信号提供部分输出的第一音频信号的定时和从所述信号提供部分输出的第二音频信号的定时之间的时间差。
通过下面结合附图的说明，本发明的上述和其他特征和优点将变得明显，所述附图通过举例图解了本发明的优选实施例。
附图说明
图1是按照本发明的第一实施例的电视装置的透视图；
图2是示出在支柱和支撑臂之间的连接点的放大侧视图；
图3是在图2中的箭头E的方向上看的视图；
图4是沿着图3的线F-F所取的横截面图；
图5是沿着图3的线G-G所取的横截面图；
图6是显示器的平面图；
图7是垂直摆动机构的横截面图；
图8是信号箱的方框图；
图9是音频信号处理电路的详细方框图；
图10是示出从电视装置的第一和第二扬声器发出的声音与用户之间的关系的示意图；
图11是示出通过按照本发明的第二实施例的电视装置的角度传感器检测的角度的示意图；
图12是示出根据按照第二实施例的电视装置中检测的角度来计算在第一和第二扬声器之间的距离的示意图。
具体实施方式
下面参见附图来详细说明按照本发明的实施例的电视装置。
第一实施例：
图1示出了按照本发明的第一实施例的电视装置10的透视图。
如图1中所示，电视装置10包括显示器12、用于支撑显示器12的支架(stand)20、第一扬声器50、第二扬声器52和距离检测器54。
首先，下面将说明显示器12。
如图1中所示，显示器12包括薄显示器1202、框架204和显示器驱动器电路1210(参见图8)。
显示器1202的一侧上具有显示表面，在另一侧上具有后表面。显示器1202的一侧被称为前侧，其另一侧被称为后侧。
框架1204是覆盖显示器1202的后表面的薄板的形式，由此支撑显示器1202。
在本实施例中，显示器1202包括有机EL显示器。但是，显示器1202可以包括等离子体显示器或者液晶显示器。
下面说明支架20。
如图1中所示，支架20包括基座22、支柱24、臂26和平衡锤(counterweight)28。在本实施例中，基座22作为放置在一个地点的安装部分。
支柱24从基座22向上突出，并且臂26具有在支柱24的上部末端上支撑的纵向中间部分。显示器12被支撑在臂26的前端上，并且平衡锤28耦接到臂26的后端。
基座22包括框架和覆盖所述框架的外盖2202。
半球形支撑部分(support)30位于所述框架的上部，用于围绕垂直轴转动调整移动，并且在垂直方向上摆动调整移动。支撑部分30从外盖2202的上表面向上暴露。支柱24从支撑部分30突出。在本实施例中，支柱24包括彼此平行延伸的两个杆2402。
在框架和支撑部分30之间提供了现有技术中的转动机构和垂直摆动机构。还与所述转动机构和垂直摆动机构相关联地提供了摩擦机构，以使得支撑部分30保持在一定的转动和垂直摆动状态。当用户转动或者垂直摆动显示器12或者支柱24到期望的姿态，然后用户放开显示器12或者支柱24时，支柱24保持相对于所述框架有角度的位移。
图2是示出在支柱24和臂26之间的连接点的放大侧视图，图3是在图2的箭头E的方向上观看的视图，图4是沿着图3的线F-F所取的横截面视图，图5是沿着图3的线G-G所取的横截面视图。
如图4和5中所示，支柱24和臂26在包含垂直摆动机构33、扭转螺旋弹簧32和摩擦机构34的连接点处彼此结合，通过所述垂直摆动机构33，臂26被垂直可摆动地支撑在支柱24上，所述摩擦机构34用于使臂26在摩擦力下相对于支柱24保持在垂直可摆动的状态。
扭转螺旋弹簧32用于平衡基于显示器12的重量而作用于支柱24的转矩(rotational moment)和基于平衡锤28的重量而作用于支柱24的转矩。在支柱24和臂26之间的连接点处，由扭转螺旋弹簧32的弹性产生的转矩与由平衡锤28的重量产生的转矩结合来抵消由显示器12的重量和臂26的重量产生的转矩。
如图2-5中所示，托架2404、2406以在两个杆2402的末端的相对关系而定位。外螺纹件(male screw member)2408在托架2404、2406之间和通过托架2404、2406而延伸。从臂26的中间部分突出的、由具有大摩擦系数的材料构成的管状件2602被夹在托架2404、2406之间，并且可旋转地被支撑在外螺纹件2408的柄部(shank)上，提供垂直摆动机构33。
管状件2602具有：内管部分2604，外螺纹件2408的柄部通过该内管部分而延伸；外管部分2606，它被径向向外布置并且结合到内管部分2604。外管部分2606具有与托架2404、2406的外径基本上相同的外径。
扭转螺旋弹簧32放置在内管部分2604和外管部分2606之间的环形空间中。扭转螺旋弹簧32具有接合(engaging)托架2404的壁面(wall surface)2410的一端3202和另一端3204，所述另一端3204相对于由在图4中的虚线箭头指示的扭转螺旋弹簧32的偏离而位移，并且接合管状件2602的壁面2610。扭转螺旋弹簧32在外螺纹件2408的圆周方向上施加在支柱24和臂26之间作用的弹力。
当外螺纹件2408被松开或紧固时，调整趋向于紧固在托架2404和2406之间的管状件2602的力，即调整在托架2404、2406和管状件2602之间产生的摩擦力。因此，提供了摩擦机构34，用于使臂26相对于支柱24保持在垂直摆动状态。
所述摩擦机构34不限于上述结构，而是可以具有各种结构中的任何一种。在本实施例中，摩擦机构34的管状件2602，外螺纹件2408，和托架2404、2406也作为垂直摆动机构33的部件。
当用户紧握臂26或者显示器12、摆动臂26或者显示器12以将显示器12带入相对于支柱24的期望位置并且释放臂26或显示器12的时，通过扭转螺旋弹簧32、平衡锤28和摩擦机构34来保持臂26相对于支柱24的角度。
图6是显示器12的平面图，图7是垂直摆动机构36的横截面视图。
如图6中所示，垂直摆动机构36和摩擦机构38位于臂26的末端和显示器12之间的连接点处。显示器12通过垂直摆动机构36而垂直地可摆动地耦接到臂26的末端，并且通过摩擦机构38来将显示器12保持在摆动姿势中。
如图7中所示，垂直摆动机构36包括：一对第一件(first members)36A，它们附接到显示器12的后表面；外螺纹的螺钉3606，它在第一件36A之间延伸通过；第二件36B，它垂直地可摆动地耦接到外螺纹3606。第二件36B被安装在支架20(臂26)的末端上。
当外螺纹螺钉3606被松开或者紧固时，调整趋向于紧固第二件36B与第一件36A的力，即，调整在第一件36A和第二件36B之间产生的摩擦力。显示器12因此相对于臂26保持在垂直摆动状态中。
垂直摆动机构36不限于上述结构，而是可以是各种结构的任何一种。在本实施例中，摩擦机构38的外螺纹螺钉3606，第一件36A，和第二件36B也作为垂直摆动机构36的部件。
当用户握着臂26或者显示器12、摆动臂26或者显示器12以将显示器12带入相对于显示器12或者臂26的期望位置并且释放臂26或者显示器12时，通过摩擦机构38来保持显示器12相对于臂26的角度。
在本实施例中，支撑机构以允许显示器12改变其姿势的方式在从安装部分向上突出并且与安装部分相隔的位置支撑显示器12。支撑机构包括支撑部分30、支柱24、臂26、扭转螺旋弹簧32、平衡锤28和摩擦机构34、38。
如图1中所示，信号箱40位于外盖2202中。
信号箱40控制显示器1202以显示图像，并且也控制第一和第二扬声器50、52根据从广播站接收的无线电波或者从外部设备提供的图像和音频信号来输出声音。
图8以方框形式示出了信号箱40的细节。
如图8中所示，信号箱40包括接收电路4002、转换电路4004、图像信号处理电路4006、音频信号处理电路4008、遥控信号接收电路4010和控制电路4012。信号箱40连接到与信号箱40分隔的控制部分42和外部输入端44。
控制部分42可以被用户操作来进行用于在电视装置10上观看广播的各种操作和设置。所述控制部分42包括例如频道选择按钮、音量调整按钮、音调调整按钮和输入选择按钮，并且例如被安装在外盖2202的外表面上。
在本实施例中，控制部分42包括定时控制器4202(参见图9)，用于人为地设置在从第一和第二扬声器50、52输出的声音之间的时间差。定时控制器4202包括控制按钮或者旋钮，并且被安装在外盖2202的外表面上。
外部输入端44是用于接收从诸如DVD播放器、录像机等外部设备提供的图像和音频信号的端子，并且被安装在外盖2202的外表面上。
接收电路4002根据来自控制电路4012的命令来选择频道，解调从天线4001接收的电视信号，将所述电视信号分离成图像信号和音频信号，并且输出所述图像信号和音频信号。
转换电路4004通过外部输入端44来选择从接收电路4002提供的图像和音频信号或者从外部设备提供的图像和音频信号，并且向图像信号处理电路4006和音频信号处理电路4008提供所选择的图像和音频信号。
图像信号处理电路4006处理所述图像信号以产生用于驱动显示器12的驱动信号，并且向显示器12提供所述驱动信号。
音频信号处理电路4008处理和放大音频信号，并且向第一扬声器50和第二扬声器52提供所处理和放大的音频信号。第一扬声器50和第二扬声器52根据所提供的音频信号来输出声音。
遥控信号接收电路4010接收从与电视装置10分离的遥控信号发送器46发送的无线信号(红外线信号)，该信号表示用于包括频道选择、音量调整和输入选择等各种操作的控制命令。遥控控制信号接收电路4010向控制电路4012提供所接收的控制命令。
根据在控制部分42上的操作或者从遥控信号接收电路4010提供的控制命令，控制电路4012控制接收电路4002来选择频道，控制转换电路4004在图像信号或音频信号之间转换，并且还控制图像信号处理电路4006和音频信号处理电路4008。
显示器12的显示驱动器电路1210根据从图像信号处理电路4006提供的驱动信号驱动显示器1202在其显示表面上显示图像。
下面说明第一和第二扬声器50、52。
第一和第二扬声器50、52被布置在相隔的位置。
在本实施例中，如图1中所示，第一扬声器50被安装在显示器12中，并且第二扬声器52被安装在基座22上。
更具体而言，第一扬声器50被放置在显示器12的框架1204的下部的左右位置，并且面向前。
第一扬声器50包括左声道扬声器部分50A和右声道扬声器部分50B。第一扬声器50产生在高频范围中的声音。
第二扬声器52位于在基座22的外盖2202的前表面2202A上的左右位置。
第二扬声器52包括左声道扬声器部分52A和右声道扬声器部分52B。第二扬声器52产生在中频和低频范围中的声音。
下面说明距离检测器54。
如图1中所示，距离检测器54检测在第一扬声器50和第二扬声器52之间的距离。
按照本实施例，距离检测器54包括：红外线发送器5402安装在框架1204上，接近第一扬声器50；红外线接收器5404放置在外盖2202上，接近第二扬声器52。红外线发送器5402发送红外线信号，并且红外线接收器5404接收从红外线发送器5402发送的红外线信号，检测在红外线发送器5402和红外线接收器5404之间的距离来作为在第一扬声器50和第二扬声器52之间的距离，并且产生检测的距离信号。
距离检测器54可以具有在现有技术中的各种其他设计中的任何一种，诸如超声波距离检测器，而不是如上所述的红外线距离检测器。
图9以详细方框图的形式示出了音频信号处理电路4008。
如图9中所示，音频信号处理电路4008包括微计算机56、A/D转换器58、信号处理块60、两个D/A转换器62H、62L和两个放大器64H、64L。
微计算机56根据从距离检测器54提供的所检测的距离信号和从定时控制器4202提供的控制信号来产生延迟控制信号。
A/D转换器58将从转换电路4004提供的左声道和右声道模拟音频信号转换为数字信号。
信号处理块60包括延迟调整器6002和音调校正器6004。
音调校正器6004将从A/D转换器58提供的音频信号分离为在中-低频范围中的音频信号和在高频范围中的音频信号，并且提高或者降低被分离的音频信号的输出电平，由此调整声音的音调，即调整频率特性。当按下控制部分42的音调调整按钮时，音调校正器6004调整声音的音调。
音调校正器6004向延迟调整器6002提供在高频范围中的音频信号，并且向D/A转换器62L之一提供在中-低频范围中的音频信号。
延迟调整器6002将从音调校正器6004提供的高频范围中的音频信号延迟根据从微计算机56提供的延迟控制信号而确定的延迟时间，并且向其他的D/A转换器62H提供被延迟的音频信号。
延迟调整器6002包括例如RAM 6002A和控制器6002B，控制器6002B用于控制从RAM 6002A读取数据和向RAM 6002A写入数据。在控制器6002B向RAM 6002A中写入在高频范围中的音频信号的数据后，控制器6002B从RAM 6002A读取数据，由此将在高频范围中的音频信号延迟所述延迟时间。
D/A转换器62H将从延迟调整器6002提供的在高频范围中的数字音频信号(本实施例中为第一音频信号)转换为模拟音频信号，并且向放大器64H之一提供所述模拟音频信号。
D/A转换器62L将从音调校正器6004提供的在中-低频范围中的数字音频信号(本实施例中是第二音频信号)转换为模拟音频信号，并且向其他放大器64L提供所述模拟音频信号。
放大器64H放大从D/A转换器62H提供的在高频范围中的音频信号，并且向第一扬声器50、即扬声器部分50A、50B提供被放大的音频信号。
放大器64L放大从D/A转换器62L提供的、在中-低频范围中的音频信号，并且向第二扬声器52、即扬声器部分52A、52B提供被放大的音频信号。
因此，从第一扬声器50输出的声音的定时滞后于从第二扬声器52输出的声音的定时所述延迟时间。
音频信号处理电路4008包括信号提供部分，用于向第一扬声器50和第二扬声器52提供所述音频信号。
音频信号处理电路4008也提供信号处理器，用于调整在从信号提供部分输出的在高频范围中的音频信号(第一音频信号)的定时和从信号提供部分输出的中-低频范围中的音频信号(第二音频信号)的定时之间的时间差。
下面说明电视装置10的操作和优点。
图10示意地示出了从电视装置10的第一和第二扬声器50、52发出的声音和用户P之间的关系。
如图10中所示，显示器12向基座22的前方拉出了很多。
此时，从位于显示器1202的前部的用户P的耳朵到第二扬声器52的距离L2比从用户P的耳朵到第一扬声器50的距离L1要大差值(L2-L1)。
因此，从第一扬声器50发出的在高频范围中的声音比从第二扬声器52发出的中-低频范围中的声音到达用户P的耳朵更早地达到用户P的耳朵。
当在高频范围中的声音到达用户P的耳朵的定时和当在中-低频范围中的声音到达用户P的耳朵的定时之间的时间差Δt被表达为：
ΔL＝(L2-L1)/Vs
其中，Vs表示声音的速度。
根据时间差Δt的幅度，用户P可能对于用户P听见的声音感觉不舒适和不自然。
按照本实施例，距离检测器54将在第一和第二扬声器50、52之间的距离ΔL检测为(L2-L1)。在高频范围中的声音的定时被延迟声音传播距离ΔL所需要的时间，并且在高频范围中的延迟从第一扬声器50输出。
具体上，微计算机56产生用于消除时间差Δt的延迟控制信号，并且向延迟调整器6002提供所产生的延迟控制信号。换句话说，微计算机56调整在高频范围中的声音以便从第一扬声器50输出的声音和从第二扬声器52输出的声音以相同的定时到达电视装置10的前部的位置，即用户P的耳朵。
因此，防止用户P由于时间差Δt而感觉不舒适和不自然，并且可以听见良好音调的声音。
严格而言，在第一和第二扬声器50、52之间的距离ΔL和差(L2-L1)不彼此相同。但是，根据在实际使用中在用户P和电视装置10之间的位置关系和距离，可忽略在第一和第二扬声器50、52之间的距离ΔL和差(L2-L1)之间的差对于声音的定时的调整的任何影响。
在本领域中已知，按照人的听觉特性，高频范围中的声音比中-低频范围中的声音更早地被听到，并且如果高频范围中的声音比中-低频范围中的声音听到得晚，则感觉声音缓和(轻柔)。
因此，如果在高频范围中的声音听起来太响，则优选的是，调整所述声音以便比在中-低频范围中的声音更晚地听到在高频范围中的声音。相反，如果声音听起来不清楚，则优选的是，调整所述声音以便比在中-低频范围中的声音更早地听见在高频范围中的声音。
按照本实施例，当由定时控制器4202产生的控制信号被提供到微计算机56时，微计算机56向延迟调整器6002提供延迟控制信号，以相对于从第二扬声器52输出的在中-低频范围中的声音的定时提前或者延迟从第一扬声器50输出的在高频范围中的声音的定时，用于由此自由地调整声音的清晰度或者轻柔度。因此，电视装置10的优点在于它可以根据用户P的喜好来提供声音。
在一些电视装置中，整个频率范围被划分为多个频率范围，诸如高频范围和低频范围，并且调整每个频率范围的输出声级。但是，按照本实施例，在所述频率范围中的输出声级之间的平衡根本不改变，而是被保持恒定，并且自由地调整声音的清晰度或者轻柔度。因此，所述电视装置10的优点在于它可以向用户P提供良好质量的声音。
而且，按照本实施例，从微计算机56向延迟调整器6002提供的延迟控制信号基于按照从距离检测器54提供的所检测的距离信号根据距离ΔL而产生的延迟控制信号，和根据从定时控制器4202提供的控制信号而产生的延迟控制信号。
因此，即使在通过定时控制器4202将声音清晰度或者轻柔度已经调整到期望水平后前、后移动显示器12，因为距离检测器54检测在距离ΔL中的改变并且微计算机56根据所检测的距离ΔL的改变而调整延迟控制信号，因此声音清晰度或者轻柔度保持在前、后移动显示器12之前获得的水平。因此，即使当显示器12在前、后方向上改变其位置时，定时控制器4202不必被再一次调整。因此，电视装置10的优点在于它可以被简单地操作，并且容易使用。
换句话说，定时控制器4202设置时间差，并且从第一扬声器50输出的声音和从第二扬声器52输出的声音以特定的时间差到达在电视装置10之前的用户P。此时，如果距离检测器54检测在第一扬声器50和第二扬声器52之间的距离ΔL＝(L2-L1)中的改变，则音频信号处理电路4008(信号处理器)调整时间差，以便从第一扬声器50输出的声音和从第二扬声器52输出的声音以一定的时间差到达用户P。
第二实施例：
下面说明按照本发明的第二实施例的电视装置。
按照第二实施例的电视装置与按照第一实施例的电视装置的不同在于所述距离检测器包括现有技术中的角度传感器，并且在其他细节上与按照第一实施例的电视装置相同。
图11示意地示出了由相应的角度传感器5410、5412检测的角度θ1、θ2，图12示意地示出了基于所检测角度θ1、θ2来计算在第一和第二扬声器50、52之间的距离ΔL。
按照第二实施例的电视装置中与按照第一实施例的电视装置中那些部分相同的部分通过相同的附图标号来表示。
如图11中所示，按照第二实施例的电视装置10具有第一角度传感器5410和第二角度传感器5412。
第一角度传感器5410被放置在支柱24和臂26之间的连接点处，用于检测在臂26和水平轴之间形成的角度θ1。
如果角度θ1位于水平轴上，则它具有正值，并且如果角度θ1位于水平轴下，则它具有负值。
第二角度传感器5412放置在基座22的框架和支撑部分30之间的连接点处，用于检测在支柱24和垂直轴之间形成的角度θ2。
如果角度θ2位于垂直轴的左方，则它具有正值，和如果角度θ2位于垂直轴的右方，则它具有负值。
表示所检测的角度θ1、θ2的由角度传感器5410、5412产生的所检测的角度信号被提供到微计算机56(参见图9)。
如图12中所示，假定水平轴被给出为坐标系的X轴，垂直轴被给出为坐标系的Y轴，在框架和支撑部分30之间的连接点位于具有在坐标系的原点P0(0，0)的坐标的位置，在臂26和显示器12之间的连接点(垂直摆动机构36)具有第一坐标P1(x1，y1)，在臂26和支柱24之间的连接点(摩擦机构34)具有第二坐标P2(x2，y2)，从第一坐标P1(x1，y1)到第二坐标P2(x2，y2)的距离被表示为LA1，并且从第二坐标P2(x2，y2)到原点的距离被表示为LA2。
通过下面的等式(1)来表达第一坐标P1(x1，y1)：
x 1 y 1 = LA 2 sin θ 2 cos θ 2 + LA 1 cos θ 1 sin θ 1 - - - ( 1 )
按照本实施例，第一坐标P1(x1，y1)位于接近第一扬声器50的位置，原点P0(0，0)位于接近第二扬声器52的位置。
因此，使用按照等式(1)的第一坐标P1(x1，y1)，用下面的等式(2)表示从原点到第一坐标P1(x1，y1)的距离，即在第一和第二扬声器50、52之间的距离ΔL＝Lpanel：
Lpanel＝(x12+y12)1/2                         (2)
根据上述的等式(1)、(2)，微计算机56计算在第一和第二扬声器50、52之间的距离ΔL。
按照本发明的本实施例，距离检测器包括第一角度传感器5410、第二角度传感器5412和微计算机56。
其他部件与在第一实施例中所述的相同。
按照第二实施例的电视装置提供与按照第一实施例的电视装置的那些相同的优点。
按照所述第一实施例，红外线或者超声波距离检测器需要使得它们的发送器和接收器暴露可见。但是，按照第二实施例，因为第一角度传感器5410和第二角度传感器5412可以位于未暴露的位置，因此按照第二实施例的电视装置10具有更好的外观。
在所图解的实施例中，电视装置10根据由距离检测器54检测的距离ΔL来调整声音的定时。但是，距离检测器54可以被省略，并且用户可以使用定时控制器4202人为地设置声音的定时。按照所述实施例的、根据由距离检测器54检测的距离ΔL来调整声音的定时的所述电视装置10更容易使用，因为用户不必根据显示器12的改变的位置来操作定时控制器4202。
在所图解的实施例中，从第一扬声器50输出的声音的频率范围大于从第二扬声器52输出的声音的频率范围。本发明也适用于这样的电视装置，其中，第一和第二扬声器50、52具有相同的频率范围。
即使第一和第二扬声器50、52具有相同的频率范围，所述电视装置也可以通过调整从扬声器之一输出并且到达用户P的声音的定时和从另一个扬声器输出并且到达用户P的声音的定时来提供声音的良好质量。
即使第一和第二扬声器50、52具有相同的频率范围，所述电视装置也可以通过调整在从扬声器之一输出并且到达用户P的声音的定时和从另一个扬声器输出并且到达用户P的声音的定时之间的时间差来实现音调调整。
在所图解的实施例中，第一扬声器50被安装在显示器12上，并且第二扬声器52被安装在基座22上。但是，在第一和第二扬声器50、52彼此相隔的情况下，可以将第一和第二扬声器50、52之一或者两者与显示器12或者基座22相隔开。
虽然已经详细示出和说明了本发明的特定实施例，但是应当明白，可以在不脱离所附的权利要求的范围的情况下，在其中进行各种改变和修改。
本发明包含与2006年3月8日在日本专利局提交的日本专利申请JP2006-062689相关联的主题，其整体内容通过引用被包含在此。

Claims (9)

1.一种电视装置，包括：
薄显示器；
安装部分，放置在一个地点；
支撑机构，从所述安装部分向上突出，并且以允许所述显示器改变其姿态的方式在与安装部分相隔的上部支撑所述显示器；
第一扬声器，安装在所述显示器上；
第二扬声器，安装在所述安装部分上；
信号提供部分，配置为向所述第一扬声器提供第一音频信号，并且向所述第二扬声器提供第二音频信号；
信号处理器，配置为调整在从所述信号提供部分输出的所述第一音频信号的定时和从所述信号提供部分输出的所述第二音频信号的定时之间的时间差。
2.按照权利要求1的电视装置，还包括：
距离检测器，配置用来检测在所述第一扬声器和所述第二扬声器之间的距离，
其中，所述信号处理器根据由所述距离检测器检测的所述距离来调整所述时间差。
3.按照权利要求2的电视装置，其中，所述距离检测器包括：
红外线发送器，其被布置为安装在所述显示器上、靠近所述第一扬声器；
红外线接收器，其被布置为安装在所述安装部分上、靠近所述第二扬声器；
其中，当通过所述红外线接收器接收到从所述红外线发送器发送的红外线信号时，所述距离检测器检测所述距离。
4.按照权利要求2的电视装置，其中，所述距离检测器包括安装在所述支撑机构上的、配置用来检测角度的多个角度传感器，并且所述距离检测器根据由所述角度传感器检测的角度来检测所述距离。
5.按照权利要求1的电视装置，还包括：
距离检测器，配置用来检测在所述第一扬声器和所述第二扬声器之间的距离，
其中，所述信号处理器根据由所述距离检测器检测的所述距离来调整所述时间差，以使得从所述第一扬声器输出的声音和从所述第二扬声器输出的声音同时到达在所述显示器前面的用户。
6.按照权利要求1的电视装置，还包括：
定时控制器，配置用来人为地设置要由所述信号处理器调整的所述时间差。
7.按照权利要求1的电视装置，其中，从所述第一扬声器输出的声音具有高于从所述第二扬声器输出的声音的频率范围的频率范围。
8.按照权利要求1的电视装置，其中，从所述第一扬声器输出的声音具有一频率范围，其包括高于从所述第二扬声器输出的声音的频率范围的频率范围，还包括：
定时控制器，配置用来人为地设置要由所述信号处理器调整的所述时间差。
9.按照权利要求1的电视装置，还包括：
定时控制器，配置用来人为地设置要由所述信号处理器调整的所述时间差；以及
距离检测器，配置用来检测在所述第一扬声器和所述第二扬声器之间的距离；
其中，当从所述第一扬声器输出的声音和从所述第二扬声器输出的声音因为由所述定时控制器设置的所述时间差而以预定的时间差到达所述显示器前面的用户时，如果所述距离检测器检测到在所述第一扬声器和所述第二扬声器之间的距离中的改变，则所述信号处理器调整所述时间差以便从所述第一扬声器输出的声音和从所述第二扬声器输出的声音以所述预定时间差到达所述用户。
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