CN103914185A - Optical touch system - Google Patents

Optical touch system Download PDF

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Publication number
CN103914185A
CN103914185A CN201310004943.7A CN201310004943A CN103914185A CN 103914185 A CN103914185 A CN 103914185A CN 201310004943 A CN201310004943 A CN 201310004943A CN 103914185 A CN103914185 A CN 103914185A
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China
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image
light
image sensor
image sensing
sensing device
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CN201310004943.7A
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Chinese (zh)
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苏宗敏
林育佳
王冠勋
林传清
林志新
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原相科技股份有限公司
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Priority to CN201310004943.7A priority Critical patent/CN103914185A/en
Publication of CN103914185A publication Critical patent/CN103914185A/en

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Abstract

The invention discloses an optical touch system. The optical touch system comprises a first light emitting unit, a second light emitting unit, a first image sensor and a second image sensor; the first light emitting unit is used for generating the first waveband of light; the second light emitting unit is used for generating the second waveband of light; the first image sensor comprises a first filtering part; the first waveband of light is generated by the first light emitting unit when image capturing is performed through the first image sensor; the first waveband of light is allowed to enter into the first image sensor and the second waveband of light can be blocked to enter into the first image sensor due to the first filtering part; the second image sensor comprises a second filtering part; the second waveband of light is generated by the second light emitting unit when image capturing is performed through the second image sensor; the second waveband of light is allowed to enter into the second image sensor and the first waveband of light can be blocked to enter into the second image sensor due to the second filtering part.

Description

光学触控系统 The optical touch system

技术领域 FIELD

[0001] 本发明关于一种光学式触控系统。 [0001] The present invention relates to an optical touch system.

背景技术 Background technique

[0002] 在光学式触控系统中,影像感测器撷取物件的影像,触控系统接着分析影像中物件影像的位置,然后根据物件影像的位置计算物件座标。 [0002] In the optical touch system, the image sensor captures an image of the object, the system then analyzes the location of the touch object image in the image, and then calculates the position coordinates of the object of the object image.

[0003] 美国专利公告号第4,782,328号揭示一种光学式触控屏幕系统,其包含两感测器和处理器,其中处理器耦接两感测器。 [0003] U.S. Patent Publication No. No. 4,782,328 discloses an optical touch screen system, comprising two sensors and a processor, wherein the processor is coupled to two sensors. 两感测器用于撷取在触控屏幕区域上的物件的影像。 Two image sensors for capturing area on the touch screen objects. 处理器决定分别连接物件与两感测器的感测线(sensing path),然后再根据感测路线计算出物件的位置座标。 The processor determines the two objects are connected to a sense line sensor (sensing path), and then calculate the coordinate position of the object according to the sensing line.

[0004] 光学式触控系统可包括光源,光源可向在触控区域上的物件发光,藉此使影像感测器撷取物件的亮影像。 [0004] The optical touch system may include a light source, the light source can emit light to an object on the touch region, whereby the image sensor capture a bright image of the object.

[0005] 光学式触控系统可具有多个影像感测器和与多个影像感测器搭配使用的多个光源,多个影像感测器与多个光源沿触控区域的侧边设置。 [0005] The optical touch system may have a plurality of image sensors and a plurality of image sensor with a plurality of light sources using a plurality of image sensors and a plurality of light sources along the side of the touch area is provided. 若多个影像感测器同时进行影像撷取时,各影像感测器会受到不在触控区域同一侧边的光源的发光影响。 If a plurality of image sensors simultaneously image capturing, each of the image sensor will be of the same light emission side impact not touch region. 尤其当使用小物件时,在对向光照的影响下,会无法撷取出物件影像。 Especially when using small objects, under the influence of the light, it will not capture the object image. 为避免此类影响,多个影像感测器通常采用轮流方式撷取影像。 To avoid such effects, a plurality of image sensors usually captured image rotation mode. 然而,当影像感测器数量多且物件在移动时,第一个影像感测器所撷取的物件影像与最后一个影像感测器所撷取的物件影像会有明显差异,而容易导致错误的计算结果。 However, when the number of objects in the image sensor and mobile, the first image sensor captured the object image and the last image captured by the sensor object image there will be significant differences, and error-prone the calculation results.

发明内容 SUMMARY

[0006] 本发明的目的在于提供一种光学触控系统,用于解决上述不同问题。 [0006] The object of the present invention is to provide an optical touch system, to solve the above various problems.

[0007] 本发明一实施例的光学触控系统包含至少一第一发光单元、至少一第二发光单元、至少一第一影像感测器及至少一第二影像感测器。 The optical touch system of an embodiment of the [0007] present invention comprises at least a first light emitting unit, the at least one second light emitting unit, the at least one first image sensor and at least one second image sensor. 至少一第一发光单元用于产生第一波段光。 At least a first light emitting unit for generating a first band light. 至少一第二发光单元用于产生第二波段光。 At least one second light emitting unit for generating light of the second wavelength band. 至少一第一影像感测器包含一第一滤光件。 At least one first image sensor comprises a first filter member. 至少一第一发光单元在至少一第一影像感测器进行影像撷取时产生第一波段光。 Generating a first wavelength band at least a first light emitting unit performs image capture at least a first image sensor. 第一滤光件允许第一波段光进入至少一第一影像感测器,但能阻挡第二波段光进入至少一第一影像感测器。 First filter member allows the first band of light to enter the at least one first image sensor, but can block light from entering the second wavelength band at least a first image sensor. 至少一第二影像感测器包含一第二滤光件。 At least one second image sensor comprises a second filter member. 至少一第二发光单元在至少一第二影像感测器进行影像撷取时产生第二波段光。 At least one second light emitting unit for generating a second light wavelength band when the image capture at least a second image sensor. 第二滤光件允许第二波段光进入至少一第二影像感测器,但能阻挡第一波段光进入至少一第二影像感测器。 A second filter member allows the second band of light to enter the at least one second image sensor, but can block the first band light enters the at least one second image sensor.

[0008] 本发明另一实施例的光学触控系统包含至少一第一影像感测装置及至少一第二影像感测装置。 The optical touch system according to another embodiment of the [0008] present invention comprises at least a first image sensing means and at least one second image sensing device. 至少一第一影像感测装置包含一发光单元及一影像感测器。 At least a first image sensing device comprises a light emitting unit and an image sensor. 影像感测器包含一第一滤光件。 The image sensor comprises a first filter member. 第一影像感测装置的发光单元在第一影像感测装置的影像感测器进行影像撷取时产生第一波段的光。 Generating a first wavelength band of light when the light emitting unit of the first image sensing apparatus performs image capturing a first image sensor in the image sensing apparatus. 至少一第二影像感测装置包含一发光单元及一影像感测器。 At least a second image sensing device comprises a light emitting unit and an image sensor. 第二影像感测装置的影像感测器包含一第二滤光件。 The second image sensor comprises image sensing means a second filter member. 第二影像感测装置的发光单元在第二影像感测装置的影像感测器进行影像撷取时产生第二波段的光。 Generating light of a second wavelength band light emitting unit of the second image sensing device is a second image capturing in the image sensor image sensing apparatus. 第一滤光件允许第一波段光通过,而能阻挡第二波段光。 First filter band light by allowing the first member, and the second wavelength band can block light. 第二滤光件允许第二波段光通过,而能阻挡第一波段光。 A second filter member allows the second band of light to pass through, and can block the first band light.

[0009] 本发明另一实施例的光学触控系统包含一第一组影像感测装置、一第二组影像感测装置及一处理单元。 The optical touch system according to another embodiment of the [0009] present invention comprises a first group of image sensing means, a second group of image sensing device and a processing unit. 第一组影像感测装置位于一触控区域的一侧边旁。 The first group of image sensing device is located next to one side of a touch region. 第二组影像感测装置位于触控区域的该侧边的一相对侧边旁。 The second group of image sensing device is located near a side of the opposite sides of the touch area. 第一组影像感测装置包含一第一影像感测装置及一第二影像感测装置。 The first group of image sensing means comprises a sensing device a first image and a second image sensing device. 第一影像感测装置包含一发光单元及一影像感测器。 First image sensing apparatus includes a light emitting unit and an image sensor. 影像感测器包含一滤光件。 The image sensor comprises a filter member. 第一影像感测装置的发光单元在第一影像感测装置的影像感测器进行影像撷取时产生第一波段光。 Generating a first wavelength band when the light emitting unit of the first image sensing apparatus performs image capturing a first image sensor in the image sensing apparatus. 第二影像感测装置包含一发光单元及一影像感测器。 Second image sensing apparatus includes a light emitting unit and an image sensor. 第二影像感测装置的影像感测器包含一滤光件。 The second image sensor image sensing apparatus comprises a filter member. 第二影像感测装置的发光单元在第二影像感测装置的影像感测器进行影像撷取时产生第二波段光。 Generating a second wavelength band when light emitting unit of the second image sensing device is a second image capturing in the image sensor image sensing apparatus. 第一影像感测装置的滤光件允许第一波段光通过但能阻挡第二波段光通过。 A first optical member of the image sensing apparatus allows the first wavelength band of light through a second wavelength band but can block light. 第二影像感测装置的滤光件允许第二波段光通过但能阻挡第一波段光通过。 The second filter element image sensing device allows a second wavelength band of light through a first wavelength band, but can block light. 第二组影像感测装置包含一第三影像感测装置及一第四影像感测装置。 The second group of image sensing means comprises a third image sensing device and a fourth image sensing device. 第三影像感测装置包含一发光单元及一影像感测器。 Third image sensing device comprises a light emitting unit and an image sensor. 第三影像感测装置的影像感测器包含一滤光件。 The third image sensor image sensing apparatus comprises a filter member. 第三影像感测装置的发光单元在第三影像感测装置的影像感测器进行影像撷取时产生第一波段光。 Generating a first wavelength band when light emitting unit of the third image sensing device is an image sensor in the image capturing third image sensing device. 第四影像感测装置包含一发光单元及一影像感测器。 Fourth image sensing apparatus comprises a light emitting unit and an image sensor. 第四影像感测装置的影像感测器包含一滤光件。 The fourth image sensor image sensing apparatus comprises a filter member. 第四影像感测装置的发光单元在第四影像感测装置的影像感测器进行影像撷取时产生第二波段光。 Generating a second wavelength band when light emitting unit of the fourth image sensing apparatus performs image capture at an image sensor of the fourth image sensing apparatus. 第三影像感测装置的滤光件允许第一波段光通过但能阻挡第二波段光通过。 The third filter element allows the image sensing device through a first band light of the second wavelength band but can block light. 第四影像感测装置的滤光件允许第二波段光通过但能阻挡第一波段光通过。 Fourth image sensing element optical device allows light to pass through the second band of the first wavelength band, but can block light.

[0010] 本发明另一实施例的光学触控系统包含第一和第二影像感测装置。 [0010] The present invention is a further embodiment of the optical touch system comprising a first and second image sensing means. 第一和第二影像感测装置中每一者包含一影像感测器及一发光单元。 The first and second image sensing devices each comprising an image sensor and a light emitting unit. 影像感测器包含一滤光件。 The image sensor comprises a filter member. 发光单元在影像感测器撷取一影像时提供光源。 Light emitting means provided at the image sensor capturing an image. 第一影像感测装置靠近第二影像装置的视野中心。 A first image sensing device near the center of the field of view of the second imaging device.

[0011] 上述光学触控系统由于使用不同波段光撷取物件影像,使得至少部分的影像感测器可同步撷取影像,而不会发生错误的计算结果。 [0011] The use of different optical touch system band light captured object image, the image sensor such that at least a portion of the captured image can be synchronized, and the error calculation result does not occur.

[0012] 上文已经概略地叙述本揭示的技术特征及优点,以使下文的本揭示详细描述得以获得较佳了解。 [0012] The foregoing has described schematically features and advantages of the present disclosure, the present disclosure so that the detailed description below may be better understood. 构成本揭示的申请专利权利要求范围标的的其它技术特征及优点将描述于下文。 Other features and advantages of the subject of patent claim scope of the present disclosed configuration requirements will be described below. 本揭示所属技术领域中技术人员应可了解,下文揭示的概念与特定实施例可作为基础而相当轻易地予以修改或设计其它结构或工艺而实现与本揭示相同的目的。 Those of skill in the present art disclosed in the art may appreciate that embodiments disclosed hereinafter, with a particular concept as a basis may be relatively easily modified or designing other structures or processes for carrying out the same purposes of the present disclosure. 本揭示所属技术领域中技术人员亦应可了解,这类等效的建构并无法脱离所附的申请专利权利要求范围所提出的本揭示的精神和范围。 Those of skill in this disclosure should be understood in the art that such equivalent construction and scope not departing from the spirit and scope of the appended patent claims filed claims of the present disclosure.

附图说明 BRIEF DESCRIPTION

[0013] 图1为本发明一实施例的光学触控系统的示意图; [0013] FIG. 1 is a schematic view of an optical touch system according to an embodiment of the present invention;

[0014] 图2为本发明一实施例的光学触控系统的结构图; [0014] FIG 2 is a configuration diagram of the optical touch system according to an embodiment of the present invention;

[0015] 图3为本发明另一实施例的光学触控系统的示意图; [0015] FIG. 3 is a schematic view of an optical touch system according to another embodiment of the present invention;

[0016] 图4为本发明一实施例的光学触控系统的结构图; [0016] FIG 4 is a configuration diagram of an optical touch system according to an embodiment of the present invention;

[0017] 图5为本发明一实施例的电子系统的示意图; [0017] FIG. 5 is a schematic of an electronic system according to an embodiment of the present invention;

[0018] 图6为本发明另一实施例的光学触控系统的不意图; [0018] FIG. 6 is not intended optical touch system according to another embodiment of the present invention;

[0019] 图7为本发明一实施例的光学触控系统的结构图;[0020] 图8为本发明另一实施例的光学触控系统的示意图;以及 [0019] FIG. 7 is a configuration diagram of an optical touch system according to an embodiment of the present invention; view of an optical touch system according to another embodiment of the [0020] present invention. FIG. 8; and

[0021] 图9为本发明另一实施例的光学触控系统的示意图。 [0021] FIG. 9 is a schematic of the optical touch system according to another embodiment of the present invention. 其中,附图标记说明如下: Wherein reference numerals as follows:

[0022] 1 光学触控系统 [0022] The optical touch system

[0023] 3 光学触控系统 [0023] The optical touch system 3

[0024] 5 电子系统 [0024] 5 electronic system

[0025] 6 光学触控系统 [0025] The optical touch system 6

[0026] 8 光学触控系统 [0026] The optical touch system 8

[0027] 9 光学触控系统 [0027] The optical touch system 9

[0028] 10 区域 [0028] 10 region

[0029] 11 第一发光单元 [0029] The first light emitting unit 11

[0030] 12 第二发光单元 [0030] The second light emitting unit 12

[0031] 13 第一影像感测器 [0031] The first image sensor 13

[0032] 14 第二影像感测器 [0032] The second image sensor 14

[0033] 15 物件 [0033] 15 articles

[0034] 16 第一滤光件 [0034] The first optical element 16

[0035] 17 第二滤光件 [0035] The second filter element 17

[0036] 19 回反射器 [0036] retroreflector 19

[0037] 21 处理单元 [0037] The processing unit 21

[0038] 22 控制电路 [0038] The control circuit 22

[0039] 30 触控区域 [0039] 30 touch region

[0040] 31、32、33、34、35、36 影像感测装置 [0040] The image sensing apparatus 31,32,33,34,35,36

[0041] 37 侧边 [0041] 37 side

[0042] 41 处理单元 [0042] The processing unit 41

[0043] 42 控制电路 [0043] The control circuit 42

[0044] 51 处理装置 [0044] The processing device 51

[0045] 52 显示装置 [0045] The display device 52

[0046] 61 第一影像感测装置 [0046] 61 of the first image sensing device

[0047] 62 第二影像感测装置 [0047] 62 of the second image sensing devices

[0048] 63 第三影像感测装置 [0048] 63 third image sensing device

[0049] 64 第四影像感测装置 [0049] 64 fourth image sensing device

[0050] 65 第五影像感测装置 [0050] The fifth image sensing device 65

[0051] 66 第六影像感测装置 [0051] 66 sixth image sensing device

[0052] 70 第一组影像感测装置 [0052] 70 of the first group of image sensing means

[0053] 71 处理单元 [0053] The processing unit 71

[0054] 72 控制电路 [0054] The control circuit 72

[0055] 80 第二组影像感测装置 [0055] 80 of the second group of image sensing devices

[0056] 81 第一影像感测装置 [0056] 81 of the first image sensing device

[0057] 82 第二影像感测装置 [0057] The second image sensing devices 82

[0058] 83 第三影像感测装置[0059] 90 第三组影像感测装置 [0058] 83 third image sensing apparatus [0059] 90 third group of image sensing devices

[0060] 91 影像感测装置 [0060] The image sensing means 91

[0061] 92 影像感测装置 [0061] The image sensing means 92

[0062] 301 第一分区 [0062] The first partition 301

[0063] 302 第二分区 [0063] The second partition 302

[0064] 303 图形 [0064] 303 graphics

[0065] 304 图形 [0065] Graphics 304

[0066] 311、321、331、341、351、361 影像感测器 [0066] 311,321,331,341,351,361 image sensor

[0067] 312、322、332、342、352、362 发光单元 [0067] The light emitting unit 312,322,332,342,352,362

[0068] 313、323、333、343、352、362 滤光件 [0068] The filter member 313,323,333,343,352,362

[0069] 611、621、631、641、651、661 影像感测器 [0069] 611,621,631,641,651,661 image sensor

[0070] 612、622、632、642、652、662 发光单元 [0070] The light emitting unit 612,622,632,642,652,662

[0071] 613、623、633、643、653、663 滤光件 [0071] The filter member 613,623,633,643,653,663

[0072] 911 影像感测器 [0072] image sensor 911

[0073] 912 滤光件 [0073] The filter member 912

[0074] 913 发光单元 [0074] The light emitting unit 913

[0075] 921 影像感测器 [0075] image sensor 921

[0076] 922 滤光件 [0076] The filter member 922

[0077] 923 发光单元 [0077] The light emitting unit 923

具体实施方式 Detailed ways

[0078] 图1为本发明一实施例的光学触控系统I的示意图。 [0078] FIG. 1 is a schematic view of an optical touch system according to an embodiment of the present invention I. 参照图1所示,光学触控系统I包含一第一发光单兀11、一第二发光单兀12、一第一影像感测器13,以及一第二影像感测器14。 Referring to FIG. 1, the optical touch system I comprises a single light emitting Wu first 11, a second light-emitting single Wu 12, a first image sensor 13, and a second image sensor 14. 第一影像感测器13用于侦测一区域10 (例如:触控区域)上的物件15。 The first image sensor 13 for detecting a region 10 (e.g.: touch region) 15 on the object. 第一发光单元11搭配第一影像感测器13。 First light emitting unit 11 with a first image sensor 13. 第一发光单元11在第一影像感测器13撷取物件15的影像时,照亮该物件15,以于第一影像感测器13产生的图像中形成物件15的亮影像。 First light emitting unit 11 when the first image sensor 13 capture the object image 15, illuminating the object 15, the image of the first image sensor 13 generates an image of a bright object 15 is formed. 第一发光单元11产生第一波段光。 First light emitting unit 11 generates a first band light. 第一影像感测器13可设置一第一滤光件16,第一滤光件16可为波段滤光片(band pass filter),第一滤光件16允许第一波段光进入第一影像感测器13。 The first image sensor 13 may be provided with a first filter member 16, a first optical member 16 may be a band filter (band pass filter), a first filter member 16 allows the first band light enters the first image the sensor 13. 第二发光单元12搭配第二影像感测器14。 The second light emitting unit 12 with the second image sensor 14. 第二发光单元12在第二影像感测器14撷取物件15的影像时,照亮该物件15,以于第二影像感测器14产生的图像中形成物件15的亮影像。 Second light emitting unit 12 when the image sensor 14 capture the image of the second object 15, 15 illuminating the object, the image of the second image sensor 14 generates an image of a bright object 15 is formed. 第二发光单元12产生第二波段光。 The second light emitting unit 12 generates a second wavelength band light. 第二发光单元12可设置第二滤光件17,第二滤光件17可为波段滤光片(band pass fiIter),第二滤光件17允许第二波段光进入第二影像感测器14。 The second light emitting unit 12 may be provided a second filter member 17, the second filter element 17 may be a band filter (band pass fiIter), the second filter member 17 allows light of the second wavelength band into the second image sensor 14.

[0079] 在一实施例中,第一发光单元11可照射到第二影像感测器14,然第二滤光件17会阻挡第一发光单元11所发出的第一波段光进入第二影像感测器14。 [0079] In one embodiment, the first light emitting unit 11 may be irradiated to the second image sensor 14, and then the second optical filter 17 blocks the first wavelength band emitted from a first light emitting unit 11 enters the second light image sensor 14. 第二发光单元12可照射到第一影像感测器13,然第一滤光件16会阻挡第二发光单元12所发出的第二波段光进入第一影像感测器13。 The second light emitting unit 12 may be irradiated onto the first image sensor 13, and then the first optical member 16 will be blocked by the second band of the second light emitting unit 12 emits light 13 enters the first image sensor. 如此,第一影像感测器13与第二影像感测器14可同时撷取物件15的影像,且不会受非搭配使用的光源的发光影响。 Thus, the first image sensor 13 and the second image sensor 14 can be simultaneously captured image of the object 15, and is not affected by the influence of non-use with a light emitting light source.

[0080] 在一实施例中,第一滤光件16允许第一波段光通过,而阻挡第一波段光以外的波段光通过。 [0080] In one embodiment, the first filter member 16 allows the first band light through, while blocking light wavelength band other than the first wavelength band light. 第二滤光件17允许第二波段光通过,而阻挡第二波段光以外的波段光通过。 The second filter element 17 allows light to pass through the second wavelength band, while blocking the second wavelength band other than the band of light pass. [0081 ] 在一实施例中,第一波段光可具有850纳米(nanometers ;nm)的中心波长(central wavelength),而第二波段光可具有940纳米(nanometers ;nm)的中心波长(central wavelength)。 [0081] In one embodiment, the first light may have a wavelength band of 850 nanometers (nanometers; nm) of the central wavelength (central wavelength), and the second light may have a wavelength band 940 nm (nanometers; nm) of the central wavelength (central wavelength ).

[0082] 在一实施例中,区域10具有相对两角落,其中第一发光单元11与第一影像感测器13可设置于其中的一角落上,而第二发光单元12与第二影像感测器14可设置于其中的另一角落上。 [0082] In one embodiment, the region 10 having two opposite corners, wherein the first light emitting unit 11 and the first image sensor 13 may be disposed on a corner where the second light-emitting unit 12 and the second image sensor detector 14 may be disposed on another corner therein. 如此,第一发光单元11与第二影像感测器14是相向设置,而第二发光单元12与第一影像感测器13是相向设置。 Thus, the first light emitting unit 11 and the second image sensor 14 is disposed to face the second light emitting unit 12 and the first image sensor 13 is arranged opposite.

[0083] 在一实施例中,区域10具有相对两侧边,其中第一发光单元11与第一影像感测器13可设置于一侧边旁,而第二发光单元12与第二影像感测器14可设置于另一侧边。 [0083] In one embodiment, the region 10 having opposing side edges, wherein the first light emitting unit 11 and the first image sensor 13 may be disposed on a side of the bypass, and the second light emitting unit 12 and the second image sensor detector 14 may be disposed on the other side.

[0084] 在一实施例中,区域10具有相邻两侧边,其中第一发光单元11与第一影像感测器13可设置于一侧边旁,而第二发光单元12与第二影像感测器14可设置于另一侧边。 [0084] In one embodiment, the region 10 having adjacent side edges, wherein the first light emitting unit 11 and the first image sensor 13 may be disposed on a side of the bypass, and the second light emitting unit 12 and the second image sensor 14 may be disposed on the other side.

[0085] 在一实施例中,第一发光单元11或第二发光单元12包含发光二极管,然而本发明不以此为限。 [0085] In one embodiment, the first light emitting unit 11 or the second light emitting unit 12 comprises a light emitting diode, however, the present invention is not limited thereto.

[0086] 在一实施例中,第一发光单兀11或第二发光单兀12可包含一宽频光源与一滤光件。 [0086] In one embodiment, the first 11 or the second light emitting single light emitting Wu Wu 12 may comprise a single broadband light source and a filter member.

[0087] 在一实施例中,第一发光单元11与第一影像感测器13整合为一影像感测装置;第二发光单元12与第二影像感测器14整合为一影像感测装置。 [0087] In one embodiment, the first light emitting unit 11 and the first image sensor 13 is an integrated image sensing device; a second light-emitting unit 12 and the second image sensor 14 is an integrated image sensing device . 在一实施例中,第一发光单元11与第一影像感测器13为分别独立的装置;第二发光单元12与第二影像感测器14为分别独立的装置。 In one embodiment, the first light-emitting unit 11 and 13 respectively and independently a first image sensor means; means 14 which are independent of the second light emitting unit 12 and the second image sensor.

[0088] 参照图1所示,在一实施例中,光学触控系统I可包含至少一回反射器(retro-reflector) 19,至少一回反射器19设置于区域10旁,以反射第一波段光或第二波段光。 [0088] Referring to FIG. 1, in one embodiment, the optical touch system I may comprise at least one back reflector (retro-reflector) 19, at least one back reflector 19 is provided in the bypass area 10, a first reflection band light or the second light wavelength band.

[0089] 图2为本发明一实施例的光学触控系统I的结构图。 [0089] FIG 2 a configuration diagram of the optical touch system according to an embodiment of the present invention I. 参照图2所示,光学触控系统I可包含一处理单元21。 As shown in FIG. 2, the optical touch system may include a processing unit I 21. 处理单元21用于控制第一影像感测器13及第二影像感测器14撷取影像。 The processing unit 21 for controlling the first image sensor 13 and the second image sensor 14 to capture images. 在一实施例中,处理单元21控制第一影像感测器13及第二影像感测器14同时撷取影像。 In one embodiment, the processing unit 21 controls the first image sensor 13 and the second image sensor 14 to capture images at the same time. 在一实施例中,处理单元21控制第一影像感测器13及第二影像感测器14不同时撷取影像。 In one embodiment, the processing unit 21 controls the first image sensor 13 and the second image sensor 14 does not capture images at the same time.

[0090] 参照图2所示,光学触控系统I可包含一控制电路22,其中控制电路22耦接第一发光单元11与第二发光单元12。 [0090] Referring to FIG. 2, the optical touch system I may include a control circuit 22, the control circuit 22 which is coupled to the first light emitting unit 11 and the second light emitting unit 12. 控制电路22用来控制第一发光单元11开或关及第二发光单元12开或关。 The control circuit 22 for controlling the first light emitting unit 11 on or off and the second light emitting unit 12 on or off. 控制电路22耦接处理单元21,如此当处理单元21驱动第一影像感测器13撷取影像时,可同时驱动控制电路22,以开启第一发光单元11,让第一影像感测器13可撷取亮物件影像,以及当处理单元21驱动第二影像感测器14时,可同时驱动控制电路22,以开启第二发光单元12,让第二影像感测器14可撷取亮物件影像。 The control circuit 22 is coupled to the processing unit 21, so when processing a first image sensor 13 drive the image capturing unit 21, the control circuit 22 can drive to open the first light emitting unit 11, so that the first image sensor 13 You can capture a bright object image, and when the processing unit 21 drives the second image sensor 14, the control circuit 22 can drive to open the second light emitting unit 12, so that the second image sensor 14 can capture a bright object image.

[0091] 图3为本发明另一实施例的光学触控系统3的示意图。 [0091] FIG. 3 is a schematic view of Example 3 of the optical touch system according to another embodiment of the present invention. 图4为本发明一实施例的光学触控系统3的结构图。 FIG 4 a configuration diagram of the optical touch system according to an embodiment 3 of the present invention. 图5为本发明一实施例的电子系统5的示意图。 FIG 5 is a schematic of an electronic system according to an embodiment 5 of the present invention. 参照图3所示,光学触控系统3包含多个影像感测装置(31、32、33、34、35和36),其中多个影像感测装置(31、32、33、34、35和36)设置于触控区域30旁。 Referring to FIG. 3, the optical touch system 3 comprises a plurality of image sensing devices (34, 35 and 36), wherein the plurality of image sensing devices (34, 35 and 36) disposed next to the touch area 30.

[0092] 在一实施例中,各影像感测装置(31、32、35或36)包含一影像感测器(311、321、351 或361)、一发光单元(312、322、352 或362)及一滤光件(313、323、353 或363)。 [0092] In one embodiment, each of the image sensing means (31, 32 or 36) comprises an image sensor (311,321,351 or 361), a light emitting unit (312,322,352 or 362 ) and an optical member (313,323,353 or 363). 发光单元(312、322、352和362)可发出第一波段光,照亮位于触控区域30上的物件15,以使影像感测器(311、321、351和361)可撷取物件15的影像。 Light emitting means (312,322,352 and 362) may emit a first wavelength band of light, positioned to illuminate an object 15 on the touch area 30, so that the image sensor (311,321,351 and 361) can retrieve the object 15 images. 滤光件(313、323、353和363)分别设置于影像感测器(311、321、351和361)的入光面,并允许自物件15反射的第一波段光进入影像感测器(311、321、351和361)。 A filter member (313,323,353 and 363) are respectively disposed in the image sensor (311,321,351 and 361) of the light incident surface, and allow object 15 from a first reflection wavelength band light enters the image sensor ( 311,321,351 and 361). 影像感测器(311、321、351和361)用于追踪位于触控区域30上的物件15。 The image sensor (311,321,351 and 361) for tracking an object positioned on the touch area 3015. 此外,各影像感测装置(33或34)包含一影像感测器(331或341)、一发光单元(332或342)及一滤光件(333或343)。 Further, each of the image sensing devices (33 or 34) comprises an image sensor (331 or 341), a light emitting unit (332 or 342) and a filter member (333 or 343). 发光单元(332和342)可发出第二波段光,照亮位于触控区域30上的物件15,以使影像感测器(331和341)可撷取物件15的影像。 Light emitting cells (332 and 342) may emit a second wavelength band of light, positioned to illuminate an object 15 on the touch area 30, so that the image sensor (331 and 341) can capture an image of the object 15. 滤光件(333和343)分别设置于影像感测器(331和341)的入光面,并允许自物件15反射的第二波段光进入影像感测器(331和341)。 A filter member (333 and 343) are respectively disposed in the image sensor (331 and 341) of the light incident surface, and allow the article 15 from the second wavelength band reflected light enters the image sensor (331 and 341). 影像感测器(331和341)用于追踪位于触控区域30上的物件15。 The image sensor (331 and 341) for tracking an object positioned on the touch area 3015.

[0093] 在一实施例中,滤光件(313、323、353和363)能阻挡第二波段光进入影像感测器(311、321、351和361)。 [0093] In one embodiment, the filter element (313,323,353 and 363) can be blocked by the second wave band light enters the image sensor (311,321,351 and 361). 滤光件(333和343)能阻挡第一波段光进入影像感测装置(33和34)。 A filter member (333 and 343) can block the first band light enters the image sensing means (33 and 34).

[0094] 在一实施例中,滤光件(313、323、353和363)能阻挡第一波段光以外的波段光。 [0094] In one embodiment, the filter element (313,323,353 and 363) can block the light other than the wavelength band of the first band light. 滤光件(333和343)能阻挡第二波段光以外的波段光。 A filter member (333 and 343) can block the light other than the wavelength band of the second wavelength band light.

[0095] 在一实施例中,影像感测装置(31、32、35和36)设置于触控区域30的同一侧边旁,而影像感测装置(31、32、35和36)与影像感测装置(33和34)设置于触控区域30的不同侧边旁。 [0095] In one embodiment, the image sensing means (31, 32 and 36) disposed beside the same side of the touch area 30, and the image sensing means (31, 32 and 36) and the image sensing means (33 and 34) disposed beside the different sides of the touch area 30.

[0096] 在一实施例中,触控区域30具有相对两侧边,其中影像感测装置(31、32、35和36)设置于一侧边,而影像感测装置(33和34)设置于另一侧边。 [0096] In one embodiment, the touch region 30 having opposite side edges, wherein the image sensing means (31, 32 and 36) disposed on a side, and the image sensing devices (33 and 34) disposed on the other side.

[0097] 在一实施例中,触控区域30包含四个角落与一侧边37,其中影像感测装置(31、32,33和34)分别设置于四个角落旁,而影像感测装置(35和36)设置于侧边37旁。 [0097] In one embodiment, the touch area 30 with one side comprising four corners 37, wherein the image sensing means (31, 32, and 34) are respectively disposed beside the four corners, and the image sensing devices (35 and 36) disposed adjacent to the side edges 37.

[0098] 参照图4所示,光学触控系统3包含一处理单元41,处理单元41可耦接影像感测器(311、321、331、341、351 和361),以驱动影像感测器(311、321、331、341、351 和361)撷取影像。 [0098] Referring to FIG. 4, the optical touch system 3 comprises a processing unit 41, processing unit 41 may be coupled to the image sensor (311,321,331,341,351 and 361), to drive the image sensor (311,321,331,341,351 and 361) to capture images. 在一实施例中,处理单元41驱动影像感测器(311、321、331、341、351和361)撷取同时影像。 In one embodiment, the processing unit 41 drives the image sensor (311,321,331,341,351 and 361) simultaneously capture the image.

[0099] 参照图3至图5所不,光学触控系统3使用于一电子系统5,而电子系统5可另包含一处理装置51及一显示装置52,其中处理装置51耦接光学触控系统3与显示装置52,以控制光学触控系统3与显示装置52。 [0099] Referring to FIGS. 3 to 5 do not, optical touch system 3 used in an electronic system 5, and the electronic system 5 may further include a processor 51 and a display device 52, wherein the processing means 51 coupled to optical touch the system 3 and the display device 52 to control the optical touch system 52 and the display device 3.

[0100] 显示装置52可包含一屏幕,触控区域30可位于该屏幕上。 [0100] The display device 52 may comprise a screen, the touch area 30 may be located on the screen. 在一实施例中,触控区域30包含一第一分区301及一第二分区302,其中光学触控系统3在第一分区301所计算的物件座标与物件实际位置间的误差小于在第二分区302所计算的物件座标与物件实际位置间的误差。 In one embodiment, the touch area 30 comprises a first partition 301 and a second partition 302, wherein the optical touch system 3 in the first partition error between the calculated coordinates of the object 301 is smaller than the actual position of the first object and object coordinate error between the actual object location 302 second division calculation. 为避免产生误触,屏幕在第一分区301上显示的图形(graphics) 304较第二分区302上显示的图形(graphics) 303为小。 To avoid inadvertently, graphics (Graphics) displayed on the first partition 301 304 Graphics (Graphics) displayed on the second region 302 than 303 small. 在前述的配置下,处理单元41可同时驱动影像感测器(311、321、331、341、351和361)撷取影像。 In the foregoing arrangement, the processing unit 41 can drive the image sensor (311,321,331,341,351 and 361) capture images.

[0101] 在一实施例中,发光单元(312、322、352和362)可发出中心波长(centralwavelength)为850纳米(nanometers ;nm)的第一波段光;发光单元(332和342)可发出中心波长(central wavelength)为940 纳米(nanometers ;nm)的第二波段光。 [0101] In one embodiment, the light emitting unit (312,322,352 and 362) may emit a central wavelength (centralwavelength) of 850nm (nanometers; nm) of the first band light; a light emitting unit (332 and 342) may be issued second band of light; central wavelength (central wavelength) of 940 nanometers (nm nanometers). [0102] 在一实施例中,发光单元(312、322、352和362)可发出中心波长(centralwavelength)为940纳米(nanometers ;nm)的第一波段光;发光单元(332和342)可发出中心波长(central wavelength)为850 纳米(nanometers ;nm)的第二波段光。 [0102] In one embodiment, the light emitting unit (312,322,352 and 362) may emit a central wavelength (centralwavelength) to 940 nm (nanometers; nm) of the first band light; a light emitting unit (332 and 342) may be issued second band of light; central wavelength (central wavelength) of 850 nanometers (nm nanometers).

[0103] 在一实施例中,发光单元(312、322、332、342、352和362)包含发光二极管。 [0103] In one embodiment, the light emitting unit (312,322,332,342,352 and 362) comprises a light emitting diode. 在一实施例中,发光单元(312、322、332、342、352或362)可包含一宽频光源与一滤光件。 In one embodiment, the light emitting unit (312,322,332,342,352, or 362) may comprise a broadband light source and a filter member.

[0104] 如图4所示,光学触控系统3包含一控制电路42,其中控制电路42耦接发光单元(312、322、332、342、352 和362),以控制发光单元(312、322、332、342、352 和362)的开或关。 [0104] 4, the optical touch system 3 comprises a control circuit 42, wherein the light emitting unit 42 is coupled to a control circuit (312,322,332,342,352 and 362), to control the light emitting unit (312, 322 , 332,342,352 and 362) on or off.

[0105] 参照图3所示,在一实施例中,光学触控系统3可包含至少一回反射器(retro-reflector) 19,至少一回反射器19设置于触控区域30旁。 [0105] Referring to FIG. 3, in one embodiment, the optical touch system 3 may comprise at least one back reflector (retro-reflector) 19, 19 at least a back reflector 30 disposed next to the touch area.

[0106] 图6为本发明另一实施例的光学触控系统6的不意图。 [0106] FIG. 6 embodiment the optical touch system is not intended to 6 according to another embodiment of the present invention. 图7为本发明一实施例的光学触控系统6的结构图。 FIG 7 a configuration diagram of an optical touch system according to an embodiment 6 of the present invention. 参照图6与图7所示,光学触控系统6包含一第一组影像感测装置70、一第二组影像感测装置80及一第三组影像感测装置90,其中第一组影像感测装置70、第二组影像感测装置80和第三组影像感测装置90设置于触控区域30旁。 Referring to FIG. 6 and FIG. 7, the optical touch system 6 comprises a first group of image sensing device 70, a second group of image sensing device 80, and a third group of image sensing device 90, wherein the first set of images a sensing means 70, a second group of image sensing device 80 and the third group of image sensing device 90 is provided beside the touch area 30.

[0107] 第一组影像感测装置70用于追踪触控区域30上的一物件15。 [0107] The first group of image sensing means 70 for tracking an object on the touch area 3015. 第一组影像感测装置70可包含一第一影像感测装置61及一第二影像感测装置62。 The first group of image sensing device 70 may include a first image sensing device 61 and a second image sensing device 62. 第一影像感测装置61可包含一影像感测器611及一发光单元612。 A first image sensing device 61 may comprise an image sensor 611 and a light emitting unit 612. 影像感测器611可包含一滤光件613。 The image sensor 611 may include a filter member 613. 发光单元612可发出一第一波段光,以照亮物件15。 The light emitting unit 612 may emit a first wavelength band of light to illuminate the object 15. 滤光件613设置于影像感测器611上,并允许从物件15反射的第一波段光进入影像感测器611,但阻挡第二波段光进入影像感测器611。 A filter member 613 disposed on the image sensor 611, and allow the article 15 from the first wavelength band the reflected light enters the image sensor 611, but blocks light of the second wavelength band enters the image sensor 611. 影像感测器611可撷取物件15的影像。 The image sensor 611 can capture an image of the object 15. 再者,第二影像感测装置62可包含一影像感测器621及一发光单兀622。 Moreover, the second image sensing device 62 may include an image sensor 621, and a single light emitting Wu 622. 影像感测器621可包含一滤光件623。 The image sensor 621 may include a filter member 623. 发光单兀622可发出第二波段光,以照亮物件15。 Wu emitting 622 may emit a second single-band light to illuminate the object 15. 滤光件623设置于影像感测器621上,并允许从物件15反射的第二波段光进入影像感测器621,但阻挡第一波段光进入影像感测器621。 A filter member 623 disposed on the image sensor 621, and allow the article 15 from the second wavelength band reflected light enters the image sensor 621, but blocks light of the first wavelength band enters the image sensor 621. 影像感测器621可撷取物件15的影像。 The image sensor 621 can capture an image of the object 15.

[0108] 第二组影像感测装置80用于追踪触控区域30上的一物件15,第二组影像感测装置80可包含一第三影像感测装置63及一第四影像感测装置64。 [0108] The second group of image sensing means 80 for tracking an object on the touch area 3015, a second group of image sensing device 80 may include a third image sensing device 63, and a fourth image sensing device 64. 第一影像感测装置63可包含一影像感测器631及一发光单元632。 A first image sensing device 63 may include an image sensor 631 and a light emitting unit 632. 影像感测器631可包含一滤光件633。 The image sensor 631 may include a filter member 633. 发光单元632可发出一第二波段光,以照亮物件15。 The light emitting unit 632 may emit a second wavelength band of light to illuminate the object 15. 滤光件633设置于影像感测器631上,并允许从物件15反射的第二波段光进入影像感测器631,但阻挡第一波段光进入影像感测器631。 A filter member 633 disposed on the image sensor 631, and allow the article 15 from the second wavelength band reflected light enters the image sensor 631, but blocks light of the first wavelength band enters the image sensor 631. 影像感测器631可撷取物件15的影像。 The image sensor 631 can capture an image of the object 15. 再者,第四影像感测装置64可包含一影像感测器641及一发光单兀642。 Further, the fourth image sensing device 64 may comprise an image sensor 641, and a single light emitting Wu 642. 影像感测器641可包含一滤光件643。 The image sensor 641 may include a filter member 643. 发光单兀642可发出一第一波段光,以照亮物件15。 Wu single emitting a first wavelength band 642 may emit light to illuminate the object 15. 滤光件643设置于影像感测器641上,并允许从物件15反射的第一波段光进入影像感测器641,但阻挡第二波段光进入影像感测器641。 A filter member 643 disposed on the image sensor 641, and allow the article 15 from the first wavelength band the reflected light enters the image sensor 641, but blocks light of the second wavelength band enters the image sensor 641. 影像感测器641可撷取物件15的影像。 The image sensor 641 can capture an image of the object 15.

[0109] 第三组影像感测装置90用于追踪触控区域30上的一物件15,第三组影像感测装置90可包含一第五影像感测装置65及一第六影像感测装置66。 [0109] The third group of image sensing means 90 for tracking an object on the touch area 3015, a third group of image sensing device 90 may comprise a fifth image sensing device 65, and a sixth image sensing device 66. 第五影像感测装置65可包含一影像感测器651及一发光单兀652。 The fifth image sensing device 65 may include an image sensor 651, and a single light emitting Wu 652. 影像感测器651可包含一滤光件653。 The image sensor 651 may include a filter member 653. 发光单兀652可发出一第一波段光,以照亮物件15。 Wu single emitting a first wavelength band 652 may emit light to illuminate the object 15. 滤光件653设置于影像感测器651上,并允许从物件15反射的第一波段光进入影像感测器651,但阻挡第二波段光进入影像感测器651。 A filter member 653 disposed on the image sensor 651, and allow the article 15 from the first wavelength band the reflected light enters the image sensor 651, but blocks light of the second wavelength band enters the image sensor 651. 影像感测器651可撷取物件15的影像。 The image sensor 651 can capture an image of the object 15. 再者,第六影像感测装置66可包含一影像感测器661及一发光单兀662。 Further, the sixth image sensing device 66 may include an image sensor 661, and a single light emitting Wu 662. 影像感测器661可包含一滤光件663。 The image sensor 661 may include a filter member 663. 发光单兀662可发出第二波段光,以照亮物件15。 Wu emitting 662 may emit a second single-band light to illuminate the object 15. 滤光件663设置于影像感测器661上,并允许从物件15反射的第二波段光进入影像感测器661,但阻挡第一波段光进入影像感测器661。 A filter member 663 disposed on the image sensor 661, and allows the second wavelength band light reflected from the object 15 enters the image sensor 661, but blocks light of the first wavelength band enters the image sensor 661. 影像感测器661可撷取物件15的影像。 The image sensor 661 captures an image of the object 15.

[0110] 在另一实施例中,在第三组影像感测装置90中,发光单元652和发光单元662可发出相同波段光,例如第一波段光或第二波段光;而影像感测器651的滤光件653和影像感测器661的滤光件663可允许该相同波段光进入影像感测器651和影像感测器661,但阻挡该相同波段光以外的波段光。 [0110] In another embodiment, the third group of image sensing device 90, the light emitting unit 652 and the light emitting unit 662 may emit the same wavelength band of light, such as a first or a second band light band light; the image sensor a filter member 653 and the image sensor 651 of the filter member 661 may allow the same 663 band light enters the image sensor 651 and image sensor 661, but blocks light other than the wavelength band of the same wavelength band light.

[0111] 在一实施例中,第三组影像感测装置90中的影像感测器(651和661)的视野小于第一组影像感测装置70的影像感测器(611和621)及/或第二组影像感测装置80的影像感测器(631和641)的视野。 [0111] In one embodiment, the image sensor (651 and 661) in the third set of 90 image sensing device field of view smaller than the first group of image sensing device 70 sensing the image sensor (611 and 621) and View the image sensor (631 and 641) and / or the second group of image sensing device 80.

[0112] 参照图7所示,光学触控系统6包含一处理单元71,处理单元71耦接第一组影像感测装置70、第二组影像感测装置80及第三组影像感测装置90,并依序控制第一组影像感测装置70、第二组影像感测装置80及第三组影像感测装置90撷取影像。 [0112] Referring to FIG. 7, the optical touch system 6 comprises a processing unit 71, processing unit 71 is coupled to a first group of image sensing devices 70, 80 and a third group of image sensing means a second group of image sensing devices 90, and sequentially controls the first group of image sensing devices 70, 80 and a third group of image sensing means a second group of image sensing device 90 to capture images. 光学触控系统6包含一控制电路72,控制电路72用于驱动发光单元出12、622、632、642、652和662)。 The optical touch system 6 comprises a control circuit 72, a control circuit 72 for driving the light emitting unit 662 and the 12,622,632,642,652). 控制电路72可耦接处理单元71。 The control circuit 72 may be coupled to the processing unit 71.

[0113] 图8为本发明另一实施例的光学触控系统8的示意图。 [0113] FIG. 8 is a schematic view of an optical touch system according to another embodiment of the present invention 8. 参照图8所示,光学触控系统8包含一第一影像感测装置81、一第二影像感测装置82及一第三影像感测装置83,其中第二影像感测装置82及第三影像感测装置83设置在区域10的相同侧边旁,而第一影像感测装置81设置于区域10的不同侧边旁。 Referring to FIG. 8, the optical touch system 8 comprises a first image sensing means 81, 82 and a third image sensing device 83 a second image sensing device, wherein the second 82 and the third image sensing devices image sensing means 83 is disposed next to the same side of the region 10, and the first image sensing device 81 is provided beside the different sides of the region 10. 第一影像感测装置81、第二影像感测装置82及第三影像感测装置83中每一者均包含一发光单元、一影像感测器及与可允许该发光单元所发出的波段光通过的一滤光件。 A first image sensing device 81, the second image sensing device 82 and the third image sensing device 83 comprises a light emitting caught in each unit band with an image sensor and may allow the light emitted from the light emitting unit through a filtering member.

[0114] 在一实施例中,第二影像感测装置82与第三影像感测装置83是同步撷取影像,且当第二影像感测装置82与第三影像感测装置83中任一者和第一影像感测装置81使用相同波段光来撷取影像时,则第一影像感测装置81及第二影像感测装置82与第三影像感测装置83两者中和第一影像感测装置81使用相同波段光者不同步撷取影像。 [0114] In one embodiment, the second image sensing device 82 and the third image sensing device 83 is a synchronous capturing an image, and when any of the second image sensing device 82 and the third image sensing device 83 a and by a first image sensing device 81 used to capture the optical image, both of the first image sensing device 81 and the second image sensing device 82 and the third image sensing apparatus 83 of the first image and the same band The sensing device 81 does not use the same band light synchronized captured image.

[0115] 在一实施例中,第二影像感测装置82与第三影像感测装置83是同步撷取影像,且若第二影像感测装置82与第三影像感测装置83中每一者和第一影像感测装置81使用不同波段光来撷取影像时,则第一影像感测装置81、第二影像感测装置82与第三影像感测装置83可同步撷取影像。 [0115] In one embodiment, the second image sensing device 82 and the third image sensing device 83 are synchronized captured image, and each image sensing device when the second 82 and third 83 image sensing devices and by a first image sensing device 81 when using the different bands of light to capture an image, the first image sensing device 81, the second image sensing device 82 and the third image sensing device 83 may be synchronized to capture images.

[0116] 前述光学触控系统不限于使用两种波段光。 [0116] The optical touch system is not limited to the use of two band light.

[0117] 图9为本发明另一实施例的光学触控系统9的示意图。 [0117] FIG. 9 is a schematic view of an optical touch system according to another embodiment of the present invention 9. 参照图9所示,光学触控系统9包含两影像感测装置(91和92)。 As shown in FIG. 9, the optical touch system 9 comprises two image sensing devices (91 and 92). 影像感测装置91包含一影像感测器911和一发光单元913。 Image sensing device 91 comprises an image sensor 911 and a light emitting unit 913. 影像感测器911可包含滤光件912。 The image sensor 911 may include a filter member 912. 影像感测装置92包含一影像感测器921和一发光单元923。 92 image sensing device 921 comprises an image sensor and a light emitting unit 923. 影像感测器921可包含滤光件922。 The image sensor 921 may include a filter member 922. 影像感测装置91或影像感测器911可具有视野Θ,其中影像感测装置92靠近视野(field ofview ;F0V) Θ的中心。 Image sensing device 91 or the image sensor 911 may have a field of view Θ, wherein the image sensing device 92 close to the field of view (field ofview; F0V) [Theta] of the center. 在一实施例中,影像感测装置92是位于影像感测装置92的视野中轴线CL至视野边界BL的一半角度内。 In one embodiment, the image sensing device 92 is located in the field of view of the image sensor means sensing axis CL of 92 half-angle view to the inner boundary BL. [0118] 在一实施例中,发光单元(913和923)是发出不同波段光。 [0118] In one embodiment, the light emitting units (913 and 923) are a different wavelength band of light emitted.

[0119] 在本发明一实施例中,光学触控系统包含多个影像感测装置。 [0119] In an embodiment of the present invention, the optical touch system comprises a plurality of image sensing devices. 多个影像感测装置可同时撷取影像,因此光学触控系统不会有因影像在不同时间撷取,而导致错误的计算结果的问题。 A plurality of image sensing device can capture images at the same time, the optical touch system is not a problem because the image capturing at different times, resulting in erroneous calculation result.

[0120] 在本发明一实施例中,光学触控系统包含多个影像感测装置,其中部分的影像感测装置可同时撷取影像。 [0120] In an embodiment of the present invention, the optical touch system comprises a plurality of image sensing means, wherein the image sensing device can capture an image portion simultaneously. 由于部分的影像感测装置可同时撷取影像,因此可缩短最早与最晚的影像撷取时间,故可避免最早与最晚的影像差异过大而导致错误的计算结果的问题。 Since the portion of the image sensing device can capture images at the same time can be shortened and the earliest of the latest time of image capture, it can be avoided with the first image difference is too large to the latest issue of wrong calculation results.

[0121] 在本发明一实施例中,光学触控系统包含两影像感测装置,两影像感测装置使用不同波段光来取得物件影像。 [0121] In an embodiment of the present invention, the optical touch system comprises two image sensing apparatus, image sensing device using two different wavelength bands of light to obtain the object image. 由于使用不同波段光,因此两影像感测装置可同时撷取影像,而不相互干扰。 The use of different wavelengths of light, so two image sensing device captures an image simultaneously, without interfering with each other.

[0122] 在本发明一实施例中,光学触控系统包含多个影像感测装置,其中位在触控区域不同侧边且以相同波段光取得物件影像的两影像感测装置可不同步撷取影像。 [0122] In an embodiment of the present invention, the optical touch system comprises a plurality of image sensing means, wherein the bits in different regions and the same side of the touch band light of the object image acquired two image sensing device may retrieve the synchronization image. 在一实施例中,不同步撷取两影像是指在两不重叠时间段分别撷取影像。 In one embodiment, the two images are not synchronized capturing means to capture images in two time periods do not overlap, respectively. 在一实施例中,不同步撷取两影像是指在两部分重叠时间段分别撷取影像。 In one embodiment, the two images are not synchronized capturing means captures an image in two partially overlapping time periods, respectively.

[0123] 在本发明一实施例中,光学触控系统包含多个组影像感测装置,且各组影像感测装置包含多个影像感测装置,其中多个组影像感测装置是依序撷取影像。 [0123] In an embodiment of the present invention, the optical touch system comprises a set of a plurality of image sensing devices, and each group of image sensing means comprises a plurality of image sensing means, wherein the plurality of groups is sequentially image sensing devices captured image. 在一实施例中,各组影像感测装置使用不同波段光撷取物件影像。 In one embodiment, each group of image sensing devices using different wavelengths of light captured object image. 在一实施例中,各组影像感测装置使用相同波段光撷取物件影像。 In one embodiment, each group of image sensing apparatus using the same band light captured object image. 在一实施例中,不同组影像感测装置使用不同波段光撷取物件影像。 In one embodiment, a different set of image sensing devices using different wavelengths of light captured object image.

[0124] 在本发明一实施例中,光学触控系统包含多个影像感测器、多个滤光件及多个发光单元。 [0124] In an embodiment of the present invention, the optical touch system comprises a plurality of image sensor, a plurality of optical elements and a plurality of light emitting units. 多个发光单元发出不同波段光。 A plurality of light emitting units emit light of different wavelength band. 多个滤光件允许不同波段光通过,且对应设置于多个影像感测器上。 A plurality of optical elements allows different pass band light, and corresponds to the plurality of image sensor disposed. 在一实施例中,多个发光单元是对应多个影像感测器。 In one embodiment, a plurality of light emitting cells corresponding plurality of image sensors. 在另一实施例中,多个发光单元不对应多个影像感测器。 In another embodiment, a plurality of the light emitting unit does not correspond to the plurality of image sensors.

[0125] 本揭示的技术内容及技术特点已揭示如上,然而熟悉本项技术的人士仍可能基于本揭示的教示及揭示而作种种不背离本揭示精神的替换及修饰。 [0125] The present disclosure of technical content and technical features have been described in detail, but people familiar with this technology may still be based on the teachings of the present disclosure and reveal make various of this disclosure without departing from the spirit of the replacement and modification. 因此,本揭示的保护范围应不限于实施例所揭示者,而应包括各种不背离本揭示的替换及修饰,并为以下的申请专利范围所涵盖。 Accordingly, the scope of the present disclosure should not be limited by the disclosed embodiments, but should include without departing from the disclosed substitutions and modifications, and is covered by the following claims.

Claims (23)

1.一种光学触控系统,包含: 至少一第一发光单元,用于产生第一波段光; 至少一第二发光单元,用于产生第二波段光; 至少一第一影像感测器,包含一第一滤光件,其中该至少一第一发光单元在该至少一第一影像感测器进行影像撷取时产生该第一波段光,该第一滤光件允许该第一波段光进入该至少一第一影像感测器,而能阻挡该第二波段光进入该至少一第一影像感测器;以及至少一第二影像感测器,包含一第二滤光件,其中该至少一第二发光单元在该至少一第二影像感测器进行影像撷取时产生该第二波段光,该第二滤光件允许该第二波段光进入该至少一第二影像感测器,而能阻挡该第一波段光进入该至少一第二影像感测器。 An optical touch system, comprising: at least a first light emitting unit for generating a first band light; at least one second light emitting unit for generating light of the second wavelength band; at least a first image sensor, comprises a first filter member, wherein the first wavelength band to generate a first light emitting time of the image capturing unit at the at least one first image sensor at least, the first optical filter allowing a first wavelength band of the light entering the at least one first image sensor, but can block the second wavelength band light enters the at least one first image sensor; and at least one second image sensor, comprising a second optical member, wherein the generating the second wavelength band emitting light when a second image capturing unit at the at least one second image sensor at least, the second filter member allowing the second wavelength band light enters the at least one second image sensor , but it can block the first band light enters the at least one second image sensor.
2.根据权利要求1所述的光学触控系统,其中该至少一第一影像感测器与该至少一第二发光单元是相向设置,而该至少一第二影像感测器与该至少一第一发光单元是相向设置。 2. The optical touch system according to claim 1, wherein the at least one first image sensor and the at least one second light emitting unit is disposed opposite, and at least one second and the at least one image sensor opposite first light emitting unit is disposed.
3.根据权利要求1所述的光学触控系统,其中该至少一第一影像感测器与该至少一第二影像感测器分别设置于一触控区域的相对两侧,而该至少一第一发光单元与该至少一第二发光单元亦分别设置于该触控区域的该相对两侧。 3. The optical touch system according to claim 1, wherein the at least one first image sensor and the at least one second image sensor are respectively disposed on opposite sides of a touch area, and the at least one the first light emitting unit and the at least one second light emitting unit are also provided to the opposite sides of the touch area.
4.根据权利要求1所述的光学触控系统,包含四第一影像感测器及两第二影像感测器。 4. The optical touch system as claimed in claim 1, comprising a first image sensor and four two second image sensor.
5.根据权利要求4所述的光学触控系统,更包含一处理单元,其中该处理单元控制该四第一影像感测器及该两第二影像感测器同步撷取影像。 5. The optical touch system as claimed in claim 4, further comprising a processing unit, wherein the processing unit controls the four first image sensor and the second image sensor synchronization capturing two images.
6.根据权利要求4所述的光学触控系统,包含对应该四第一影像感测器的四第一发光单元及对应该两第二影像感测器的两第二发光单元。 The optical touch system as claimed in claim 4, comprising a second light emitting unit should be two four four first light emitting unit of the first image sensor and the second image sensor two.
7.根据权利要求1所述的光学触控系统,更包含一处理单元,其中该触控区域包含相对两侧边,该至少一第一影像感测器包含两第一影像感测器,该至少一第二影像感测器包含两第二影像感测器,该两第一影像感测器分别位于该相对两侧边,该两第二影像感测器分别位于该相对两侧边,其中该处理单元控制该两第一影像感测器不同步撷取影像,控制两第二影像感测器不同步撷取影像,且控制位于该相对两侧边中同一侧边的该第一影像感测器与该第二影像感测器同步撷取影像。 The optical touch system according to claim 1, further comprising a processing unit, wherein the touch region comprising opposite side of sides, the at least one first image sensor comprises two first image sensor, which a second image sensor comprises at least two second image sensor, the first image sensor are respectively located two opposite sides of the edge, the second image sensor are located on two opposite sides of the edge, wherein the processing unit controls the first two sync image sensor capturing an image, the second image sensor control two sync captured image, and controls the first image sensor is located in the opposite sides of the same side of detector and the second synchronous image sensor to capture images.
8.根据权利要求1所述的光学触控系统,更包含至少一回反射器,其中该至少一回反射器用于反射该第一波段光或该第二波段光。 The optical touch system according to claim 1, further comprising at least a back reflector, wherein the at least one retroreflector for reflecting light of the first wavelength band or second wavelength band of the light.
9.一种光学触控系统,包含: 至少一第一影像感测装置,包含一发光单元及一影像感测器,该第一影像感测装置的该影像感测器包含一第一滤光件,该第一影像感测装置的该发光单元在该第一影像感测装置的该影像感测器进行影像撷取时产生第一波段的光;以及至少一第二影像感测装置,包含一发光单元及一影像感测器,该第二影像感测装置的该影像感测器包含一第二滤光件,该第二影像感测装置的该发光单元在该第二影像感测装置的该影像感测器进行影像撷取时产生第二波段的光; 其中,该第一滤光件允许该第一波段光通过,而能阻挡该第二波段光,而该第二滤光件允许该第二波段光通过,而能阻挡该第一波段光。 An optical touch system, comprising: at least a first image sensing device, comprising a light emitting unit and an image sensor, the image sensor of the first image sensing device comprises a first filter member, the light emitting unit of the first image sensing device in the image sensor of the first image sensing device generating light of a first wavelength band image capturing time; and at least a second image sensing device, comprising a light emitting unit and an image sensor, the image sensor of the second image sensing device includes a second optical member, the light emitting unit of the second image sensing devices in the second image sensing devices generated when the image sensor for the image capturing light of a second wavelength band; wherein the first filter element by allowing the first band light, and can block the light of the second wavelength band, and the second filter element by allowing the second wavelength band light, and it can block the light of the first wavelength band.
10.根据权利要求9所述的光学触控系统,其中该至少一第一影像感测装置与该至少一第二影像感测装置设置于一触控区域同一侧。 10. The optical touch system according to claim 9 wherein the at least one first image sensing device and the at least one second sensing device disposed on the image side of a same touch region claim.
11.根据权利要求9所述的光学触控系统,其中该至少一第一影像感测装置与该至少一第二影像感测装置分别设置在相对于一触控区域的不同侧边。 11. The optical touch system as claimed in claim 9, wherein the at least one first image sensing device and the at least one second image sensing devices are disposed at different sides with respect to a touch area.
12.根据权利要求9所述的光学触控系统,其中该至少一第一影像感测装置与该至少一第二影像感测装置分别设置于一触控区域上相邻的两角落。 12. The optical touch system as claimed in claim 9, wherein the at least one first image sensing device and the at least one second image sensing devices are disposed on adjacent two corners of a touch area.
13.根据权利要求9所述的光学触控系统,更包含一处理单元,该第一影像感测装置为多个及该第二影像感测装置为多个,其中该多个第一影像感测装置设置于一触控区域的一侧边,该多个第二影像感测装置设置于该触控区域的另一侧边,该处理单元控制该多个第一影像感测装置与该多个第二影像感测装置同步撷取影像。 13. The optical touch system according to claim 9, further comprising a processing unit, the first image sensing means and said second plurality of image sensing devices of the plurality, wherein the first plurality of image sensor sensing means disposed on the other side one side of a touch region, the second plurality of image sensing means arranged in the touch region, the processing unit controls the plurality of first image sensing device and the plurality second sensing means for synchronizing the image captured image.
14.根据权利要求9所述的光学触控系统,包含一处理单元及两第一影像感测装置,其中该两第一影像感测装置分别设置于一触控区域不同侧,该处理单元控制该两第一影像感测装置不同步撷取影像。 14. The optical touch system according to claim 9, comprising a processing unit and two first image sensing device, wherein the first image sensing devices respectively disposed on the two different sides of a touch region, the processing unit controls the two image sensing device first captured image are not synchronized.
15.根据权利要求9所述的光学触控系统,包含三第一影像感测装置及三第二影像感测装置,其中该三第一影像感测装置分别设置于一触控区域的两角落与一侧边旁,该三第二影像感测装置分别设置于一触控区域的另两角落与该侧边旁。 15. The optical touch system according to claim 9, comprising a first three image sensing device and the second three image sensing devices, wherein the first three image sensing apparatus are disposed in two corners of a touch area and adjacent a side edge, the second three image sensing devices are disposed at the other two corners of a touch area adjacent to the side edges.
16.根据权利要求9所述的光学触控系统,更包含至少一回反射器,其中该至少一回反射器用于反射该第一波段光或该第二波段光。 16. The optical touch system according to claim 9, further comprising at least a back reflector, wherein the at least one retroreflector for reflecting light of the first wavelength band or second wavelength band of the light.
17.一种光学触控系统,包含: 一第一组影像感测装置,位于一触控区域的一侧边旁,包含: 一第一影像感测装置,包含一发光单元及一影像感测器,该影像感测器包含一滤光件,该第一影像感测装置的该发光单元在该第一影像感测装置的该影像感测器进行影像撷取时产生第一波段光;及一第二影像感测装置,包含一发光单元及一影像感测器,该第二影像感测装置的该影像感测器包含一滤光件,该第二影像感测装置的该发光单元在该第二影像感测装置的该影像感测器进行影像撷取时产生第二波段光; 其中,该第一影像感测装置的该滤光件允许该第一波段光通过但能阻挡该第二波段光通过,而该第二影像感测装置的该滤光件允许该第二波段光通过但能阻挡该第一波段光通过; 一第二组影像感测装置,位于该触控区域的该侧边的一相对侧边旁,包含: 一 17. An optical touch system, comprising: a first group of image sensing means, located adjacent a side edge of a touch region, comprising: a first image sensing device, comprising a light emitting unit and an image sensing device, the image sensor comprises an optical member, the first light emitting unit of the image sensing apparatus will be generated when a first band light image capturing the image sensor in the first image sensing device; and a second image sensing device, comprising a light emitting unit and an image sensor, the image sensor of the second image sensing means comprises a filter member, the light emitting unit of the second image sensing devices in generating a second wavelength band when light of the second image sensor of the image sensing apparatus performs image capturing; wherein the optical element of the first image sensing device allows the first band of light through the second barrier but it can through two band light, the optical filter member and the second image sensing device allows light to pass through the second wavelength band but can block the light by a first wavelength band; a second group of image sensing means, the touch region located next to a side of the opposing sides, comprising: a 三影像感测装置,包含一发光单元及一影像感测器,该第三影像感测装置的该影像感测器包含一滤光件,该第三影像感测装置的该发光单元在该第三影像感测装置的该影像感测器进行影像撷取时产生该第一波段光;及一第四影像感测装置,包含一发光单元及一影像感测器,该第四影像感测装置的该影像感测器包含一滤光件,该第四影像感测装置的该发光单元在该第四影像感测装置的该影像感测器进行影像撷取时产生该第二波段光;以及其中,该第三影像感测装置的该滤光件允许该第一波段光通过但能阻挡该第二波段光通过,而该第四影像感测装置的该滤光件允许该第二波段光通过但能阻挡该第一波段光通过; 一处理单元,依序控制该第一组影像感测装置、该第二组影像感测装置和该第三组影像感测装置撷取影像。 Three image sensing device, comprising a light emitting unit and an image sensor, the image sensor of the third image sensing apparatus comprises an optical member, the third image sensing device of the light emitting unit of the when the image sensor to generate three image sensing apparatus performs image capturing a first wavelength band of the light; and a fourth image sensing device, comprising a light emitting unit and an image sensor, the fourth image sensing devices the image sensor comprises an optical member, the light emitting unit of the fourth image sensing device is a second wavelength band to generate the light when the image capture at the image sensor of the fourth image sensing device; and wherein, the optical filter of the third image sensing device allows light to pass through the first band of the second band, but can block light to pass through the filter member and the fourth image sensing device allows the light of the second wavelength band by, but it can block the light by a first wavelength band; a processing unit sequentially controls the first group of image sensing devices, the second group of image sensing means and said third group of image sensing device captures an image.
18.根据权利要求17所述的光学触控系统,更包含一第三组影像感测装置,位于该触控区域的该侧边旁,该第三组影像感测装置包含: 一第五影像感测装置,包含一发光单元及一影像感测器,该第五影像感测装置的该影像感测器包含一滤光件,该第五影像感测装置的该发光单元在该第五影像感测装置的该影像感测器进行影像撷取时产生一波段光;及一第六影像感测装置,包含一发光单元及一影像感测器,该第六影像感测装置的该影像感测器包含一滤光件,该第六影像感测装置的该发光单元在该第六影像感测装置的该影像感测器进行影像撷取时产生该波段光; 其中,第五影像感测装置的该滤光件允许该波段光通过但能阻挡另一波段光通过,而该第六影像感测装置的该第二滤光件允许该波段光通过但能阻挡另一波段光通过; 其中当该波段光为该第一波段 18. The optical touch system according to claim 17, further comprising a third group of image sensing means, located adjacent the side of the touch area, the third group of image sensing apparatus comprising: a fifth image the sensing means comprises a light emitting unit and an image sensor, the image sensor of the fifth image sensing apparatus comprises an optical member, the light emitting unit of the fifth image sensing device in the fifth image when generating the image sensor for image sensing device capturing a band of light; and a sixth image sensing device, comprising a light emitting unit and an image sensor, the image sensor of the sixth image sensing device a detector comprising a filter member, the light emitting unit of the sixth image sensing apparatus will be generated when the light band image capture at the image sensor of the sixth image sensing device; wherein the fifth image sensing the optical filter device allows light to pass through the band but can block light to pass through another band, the second filter member and the sixth image sensing device allows the light to pass through the band but can block light to pass through another band; wherein when the light band is the first band 时,该另一波段光为该第二波段光;或当该波段光为该第二波段光时,该另一波段光为该第一波段光。 When the second wavelength band that another band light beam; or when the band light for the second wavelength band light, light of the other wavelength band of light for the first wavelength band.
19.根据权利要求18所述的光学触控系统,其中该第三组影像感测装置的该影像感测器的视野小于该第一与二组影像感测装置的该影像感测器的视野。 19. The field of view of the optical touch system according to claim 18, wherein the field of view of the image sensor of the third group of image sensing device is smaller than the image sensor of the image sensing apparatus and the first two groups of .
20.根据权利要求17所述的光学触控系统,更包含至少一回反射器,其中该至少一回反射器用于反射该第一波段光或该第二波段光。 20. The optical touch system according to claim 17, further comprising at least a back reflector, wherein the at least one retroreflector for reflecting light of the first wavelength band or second wavelength band of the light.
21.一种光学触控系统,包含: 第一和第二影像感测装置,该第一和第二影像感测装置中每一者包含: 一影像感测器,具有一滤光件'及一发光单元,在该影像感测器撷取一影像时提供光源; 其中,该第一影像感测装置靠近该第二影像装置的视野中心。 21. An optical touch system, comprising: first and second image sensing means, the first and second image sensing means each comprising: an image sensor having a filter member 'and a light emitting unit, a light source provided at the image sensor capturing an image; wherein the second imaging device adjacent the center of the first field of view image sensing device.
22.根据权利要求21所述的光学触控系统,其中该第一影像感测装置位于该第二影像装置的视野中轴线至视野边界的一半角度内。 22. The optical touch system according to claim 21, wherein the first image sensing device is located in the axis of the field of view of the imaging device into the second half of the field of view angle of the boundary.
23.根据权利要求21所述的光学触控系统,其中该第一影像感测装置和该第二影像装置的该发光单元发出不同波段光。 23. The optical touch system according to claim 21, wherein the light emitting unit of the first image sensing means and the second imaging device emits different wavelength bands of light.
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