CN101937289B - 光学触控装置 - Google Patents

光学触控装置 Download PDF

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CN101937289B
CN101937289B CN2009103038584A CN200910303858A CN101937289B CN 101937289 B CN101937289 B CN 101937289B CN 2009103038584 A CN2009103038584 A CN 2009103038584A CN 200910303858 A CN200910303858 A CN 200910303858A CN 101937289 B CN101937289 B CN 101937289B
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contact panel
infrared
optical touch
infrared light
controller
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CN101937289A (zh
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陈杰良
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Jiangsu Nadia Electronic Technology Co ltd
Xuzhou Nadia Electronic Technology Co ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03542Light pens for emitting or receiving light
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0346Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G06F3/0386Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry for light pen
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0428Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

本发明涉及一种可实现多重感应的光学触控装置。一种光学触控装置,其包括:一个触控面板;至少一个红外光源,该红外光源设置于该触控面板的周边,该红外光源所发出的红外光线将该触控面板的表面所覆盖;至少两个线性感测器设置于该触控面板的周边,用来感测物体触碰该触控面板时反射的红外光线;一个控制器,该控制器用来在该触控面板上形成一红外光点,并同时发出遥控信号以对该触控面板进行遥控输入;一个与该触控面板电连接的信号接收装置,用来接收该控制器的遥控信号;至少两个与该触控面板电连接的红外影像感测器,其围绕该触控面板设置,用来摄取该控制器投射到该触控面板上的红外光点图像以确定其在该触控面板上的位置及运动轨迹。

Description

光学触控装置
技术领域
本发明涉及一种光学触控装置,尤其是一种可实现多重感应的光学触控装置。
背景技术
随着平面显示时代的到来,诸如平面CRT显示器、液晶、等离子显示技术的不断成熟和普及,基于红外线扫描检测原理为技术基础的光学触控交互技术优势凸现,以此为依托市场优势渐趋明显。
目前,利用光学触控技术的产品层出不穷,其主要分为两类,一类是在触控屏幕表面进行输入的光学触控产品,例如广达的光学触控LED屏幕,此类产品可以允许用户用手指或者其它指示物在不触碰屏幕表面的情况下进行输入;另一类是不需要靠近显示屏而通过遥控的方式进行输入的产品,例如任天堂的Wii,可以透过移动和指向来与屏幕上的虚拟物件产生互动,例如,当用户想要在游戏中挥动球拍时,他只需要像现实中那样直接挥动握有控制器的手臂就可以在游戏中完成挥动球拍的动作。
然而,现有技术中的各类光学触控产品都存在着各自的缺陷。当使用该允许用户用手指或者其它指示物在不触碰屏幕表面的情况下进行输入的产品时,如果用户距离屏幕较远时就无法完成输入;而使用该通过遥控的方式来输入的产品时,在用户没有控制器的情况下也无法进行输入。
发明内容
有鉴于此,有必要提供一种既能够在屏幕表面进行输入,又可以进行遥控输入的光学触控装置。
一种光学触控装置,其包括:一个触控面板;至少一个红外光源,该红外光源设置于该触控面板的周边,该红外光源所发出的红外光线将该触控面板的表面所覆盖;至少两个线性感测器设置于该触控面板的周边,分别用来在x方向和y方向感测物体触碰该触控面板时反射的红外光线;一个控制器,该控制器用来在该触控面板上形成一红外光点,并同时发出遥控信号以对该触控面板进行遥控输入;一个与该触控面板电连接的信号接收装置,用来接收该控制器的遥控信号;至少两个与该触控面板电连接的红外影像感测器,其围绕该触控面板设置,用来摄取该控制器投射到该触控面板上的红外光点图像以确定其在该触控面板上的位置及运动轨迹。
与现有技术相比,本发明所提供的光学触控装置既能够在屏幕表面进行输入,又可以进行遥控输入,大大的降低了对用户输入方式的限制,提高了用户使用的灵活性。
附图说明
图1是本发明所提供的光学触控装置示意图。
图2是本发明所提供的光学触控装置中的控制器的示意图。
具体实施方式
下面结合附图将对本发明实施例作进一步的详细说明。
请参见图1及图2,本发明所提供的光学触控装置1,其包括一触控面板10,该触控面板10大致呈方形,在该触控面板10周边设置有至少一个红外光源11,该至少一个红外光源11所发出的光线将该触控面板10的表面所覆盖,该红外光源11为红外LED。在本实施例中,该红外光源11的数量为2个,且设置在该触控面板10同一条边的两个拐角处。
在该触控面板10的周边还分别设置有至少两个线性感测器12,其中一个用来在x轴方向上感测物体触碰该触控面板10时反射的红外光线,另一个用来在y轴方向上感测物体触碰该触控面板10时反射的红外光线。在本实施例中,该线性感测器12的数量为3个,分别为线性感测器121、122及123,其中该线性感测器121设置于该触控面板10的一水平侧边上,用来在x轴方向上感测物体触碰该触控面板10时反射的红外光线,该线性感测器122及123分别设置于与该水平侧边相连的两竖直侧边上,用来在y轴上感测物体触碰该触控面板时反射的红外光线。
当用户在该触控面板10的表面输入时,该红外光源11发出的光线在输入物体处发生反射,该线性感测器121与122及123分别在x轴方向与y轴方向上对该反射光线进行感测,然后将感测信息传送给与该光学触控装置1相配合的后台数据处理单元(图中未标示)进行处理来对该输入物体进行定位。
该光学触控装置1还包括一控制器16及一信号接收装置17,其中,该控制器16用来在该触控面板10上形成一红外光点,并同时发出遥控信号以对该触控面板10进行遥控输入,该信号接收装置17用来接收该控制器16所发出的遥控信号。
该控制器16进一步包括一个红外光发射器162、一个3D运动感测器163及一个信号发射器164。
该红外光发射器162用来在该触控面板10上形成一红外光点,该红外光发射器162所发射的红外光的波长不同于该红外光源11所发出的红外光的波长。
该3D运动感测器163具有对用户的动作进行指向定位以及动作感应的功能,其进一步包括一加速度计1631及一陀螺仪1632,其中该加速度计1631用来测定物体的线性加速度,该陀螺仪1632用来测定物体的角速度。该信号发射器164用来将该3D运动感测器163所感测的信号发送给该信号接收装置17。
该信号接收装置17与该触控面板10相互之间电连接,该信号接收装置17既可以设置于该触控面板10上,也可以设置于该触控面板10外部,在本实施例中,该信号接收装置17设置于该触控面板10上。
围绕该触控面板10还设置有若干红外影像感测器18,该若干红外影像感测器18与该触控面板10相互之间电连接,其用来对该红外线发射器162投射到该触控面板10上的红外光点进行侦测定位。该若干红外影像感测器18可以与该红外光源11设置于该触控面板10的同一位置或者不同位置。在本实施例中,该若干红外影像感测器18的数量为2个,且该两个红外影像感测器18与该红外光源11分别设置于同一拐角。
当用户在该线性感测器121、122及123的感测范围外采用该控制器16进行输入时,该红外光发射器162会在该触控面板10上形成一红外光点,该两个红外影像感测器18首先对该红外光点进行侦测定位,同时该控制器16会通过该3D运动感测器163对用户的动作进行指向定位以及动作感应,然后该控制器16将所感应的信息通过该信号发射器164传送给该信号接收装置17,最后,与该光学触控装置1相配合的后台数据处理单元(图中未标示)通过整合该红外影像感测器18与该控制器16所感测的信号,来对用户的遥控输入进行显示。
本领域技术人员还可以在本发明精神内做其它变化,当然,这些依据本发明精神所做的变化,都应包含在本发明所要求保护的范围之内。

Claims (7)

1.一种光学触控装置,其包括:一个触控面板;至少一个红外光源,该红外光源设置于该触控面板的周边,该红外光源所发出的红外光线将该触控面板的表面所覆盖;至少两个线性感测器设置于该触控面板的周边,分别用来在x方向和y方向感测物体触碰该触控面板时反射的红外光线;一个控制器,该控制器用来在该触控面板上形成一红外光点,并同时发出遥控信号以对该触控面板进行遥控输入;一个与该触控面板电连接的信号接收装置,用来接收该控制器的遥控信号;至少两个与该触控面板电连接的红外影像感测器,其围绕该触控面板设置,用来摄取该控制器投射到该触控面板上的红外光点图像以确定其在该触控面板上的位置及运动轨迹。
2.如权利要求1所述的光学触控装置,其特征在于:该控制器包括一个红外光发射器、一个3D运动感测器以及一个信号发射器,该红外光发射器用来在该触控面板上形成一红外光点,该信号发射器用来发送该3D运动感测器所感测到的信号给该信号接收装置。
3.如权利要求2所述的光学触控装置,其特征在于:该3D运动感测器进一步包括一加速度计及一陀螺仪,该加速度计用来测定物体运动的线加速度,该陀螺仪用来测定物体运动的角速度。
4.如权利要求2所述的光学触控装置,其特征在于:该红外光源所发出的光线的波长不同于该红外光发射器所发出的光线的波长。
5.如权利要求1所述的光学触控装置,其特征在于:该红外光源为红外LED。
6.如权利要求1所述的光学触控装置,其特征在于:该信号接收装置位于该触控面板上。
7.如权利要求1所述的光学触控装置,其特征在于:该信号接收装置位于该触控面板外部。
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