200813791 九、發明說明： 【發明所屬之技術領域】 本發明係有關-種輪入裝置之光 一種藉由光源與目標物面間、知炸v 封从涉及 透鏡時，產生折射現象:恰使光束通過該 束向下集中於目標物面上，從而使影像债測元件清晰地$ 測到目標物面上之影像。 月_也偵 【先前技術】 按，隨著科技的進步與發展，電腦已 中所不可或缺的一部份，而輸入裝置係電腦必備之 備，為配合電腦日新月異的功能，輸入裝置如周；:设 鍵盤寻寺）也在不斷更新研發以 =、 鍵盤為例，除了大量的文字輸入以外，滑鼠;=:、 勝於鍵盤，由m具有絕佳的自由度盥操控性，可二 並替代體魏大的_，㈣是對體以 = 操控，^鼠更具有，無可替代的地位。 周^罔路的 、、目g市面上所販售之滑鼠的種類，大致上可以八 光？滑鼠，機械滑鼠雖然技術門檻低、價袼;：幾 她二!則疋執跡球在滚動的過程中易磨損、入塵，二 機械滑鼠精確度降低。 致 將先於 束，靠著每和、ΓΪ面亡 _取傳回的反射光 …：y夕大的知描操取，經由比對，即可管φ、、Α 移動的方向，並決定滑鼠移動 了多少距離。17 ^ 目别市知上習用的光學滑鼠’請參閱第一圖，係習知 200813791 ==!:2剖視圖’其滑氣在-平面上移動，啟動發 射至導光板b之第-反射面W時， 第二反射面b2上，經由該第二反射 B入 光源會穿過底座c之開口，投射在-非透 時：標物面d ’當目標物面d是非透明介面 二: = 影像軸1重疊，使影像擷取元件e 丄:：娜目私物面d上光源所投射物件第一影像軸！上之 it ;口#_元件6可持續揭取正確之影像，進而 距離I方向(圖未示）準確地計算出該滑鼠之移動 像軸I的影像訊號。 ^ C如惟二第二圖’若該目標物面d為-透明介質材料 重最，^射1斤製成，由於目標物面3與第一影像軸1不 至目標物面d，若不計人折射率時， t才=Ϊ會透射目標物面㈣其下方之第二影像軸ί ，父”，、占’思即，該投射之光束D與擷取影像之光束 物= 該光學滑咖 失去作^ 換"之，该光學滑鼠在透明介質物件上將 岛為改善上述問題，目前業界生產有另一習用的 1睛㈣第三_示，由财可知，當滑鼠在—平^ 二^ ’透過發光几件讀㈣之光束D傳遞至導光板b 乐一反射面13 1時，恰會將此投射之光束D沿鉛直方向 7 200813791 反射至-分光鏡f (beamspiltter)之表面， 係為-可將該投射之光束D的—部分反射，㈣ 物件。經該分光鏡f反射，使該投射 二向 至-透明介質物件(玻璃)下方之目標物“， 使邊目‘物© d反射-擷取影像之光奸至分光鏡f之内 :之:像之光U係與經該分光鏡f反射之該投 Ϊ^ίί 並與透明介f物件下方之目標物面d之 像軸！ ！相交。_分光鏡f反射該擷取影像之光200813791 IX. Description of the invention: [Technical field of the invention] The present invention relates to a kind of light that is used in a wheel-in device by a light source and a target surface, and a refraction phenomenon occurs when a lens is involved in a lens. The beam is concentrated downward on the target surface, so that the image debt detecting component clearly detects the image on the target surface. Month _ also detect [previous technology] Press, with the advancement and development of technology, the computer has become an indispensable part of the computer, and the input device is a must-have for the computer, in order to match the ever-changing function of the computer, the input device such as Zhou ;: Set the keyboard to find the temple) is also constantly updated research and development to =, keyboard as an example, in addition to a large number of text input, the mouse; =:, better than the keyboard, by m has excellent freedom, control, two And instead of the body Wei Da _, (4) is the body with = control, ^ mouse has more, irreplaceable status. The type of mouse sold in the market on the market, and the size of the mouse sold in the market, can be roughly eight-light? The mouse, mechanical mouse, although the technical threshold is low, the price is 袼;: a few of her two! Then the ruling ball is easy to wear and dust during the rolling process, and the mechanical mouse is less accurate. The light will be preceded by the beam, and the reflected light that is transmitted back to each of the ΓΪ ΓΪ ... : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : How far is the mouse moving? 17 ^ The optical mouse used in the city of Meguro's please refer to the first figure, the familiar 200813791 ==!: 2 sectional view 'the sliding air moves on the plane, starting the first-reflecting surface emitted to the light guide plate b W, the second reflecting surface b2, through the second reflection B into the light source will pass through the opening of the base c, projected at - non-transmission time: the target surface d ' when the target object surface d is a non-transparent interface two: = image The axes 1 overlap, so that the image capturing component e 丄:: the first image axis of the object projected by the light source on the private surface d of Na Na! On the it; mouth #_ component 6 can continue to extract the correct image, and then the distance I (not shown) accurately calculates the image signal of the moving image axis I of the mouse. ^ C如如二第二图 'If the target object surface d is - the transparent medium material is the most heavy, ^ shot 1 kg, because the target object surface 3 and the first image axis 1 do not reach the target object surface d, if not When the refractive index of human is, t = Ϊ will transmit the target image surface (4) below the second image axis ί, the parent "," the thinking, the projected beam D and the beam of the captured image = the optical slipper Losing the word for "change", the optical mouse will improve the above problem on the transparent medium object. At present, the industry has another customary eye (four) third_show, as the money knows, when the mouse is in the flat ^二^' When the light beam D of the reading (4) is transmitted to the light guide plate b through the light-emitting surface b, the projected beam D is reflected in the vertical direction 7 200813791 to the surface of the beam splitter f (beamspiltter) , is - can partially reflect the projected beam D, (4) the object is reflected by the beam splitter f, so that the projection is diverted to the object under the transparent medium object (glass) ", make the object" © d reflection - capture the image of the image into the spectroscope f: it: the light U system and the reflection through the spectroscope f Ϊ ^ ίί transparent dielectric and f d is the target object beneath the object plane of the image axis! ! intersect. _ beamsplitter f reflects the light of the captured image
影像。—透鏡，供一影像擷取元件6操取經該透鏡作用之 ，如上述構造於纽❹時，由於該發光元件a投射 、’源k麵Μ導光板b反射，再經由分光鏡f分光反 八、傳抵至目標物面4上，尤其分光過程中，有大部 犯里已自分光鏡f透射散失，相對使得光能量有效使 曰:偏低。尤其’為了能使透過透明介質物件，而傳抵至 …:物^的^*束達到足以目標物Φ d之影像，必須增強 π件3 ^光功率，將相對耗S光能源，在能源短 、、$日，貫為一極不環保、不經濟的設計。 的#本案發明人有鑑於上述習用的光學滑鼠於實際施用時 、、失，且積累個人從事相關產業開發實務上多年之經 ^精心研究’終於研發出一種輪入裝置之光導引結構。 【發明内容】 本月之主要目的，旨在提供-種輸人裝置之光導引 ί、1二，藉由光源與目標物面間設有一第一透鏡，恰使光 之第"透鏡時，產生折射現象，進而調整投射路徑， 源之光束集中於目標物面上，從而使影像偵測元件清 8 200813791 晰地偵測到目標物面上之影像。image. a lens for an image capturing element 6 to be operated by the lens. When the structure is applied to the button, the light-emitting element a is projected, and the light source b is reflected by the light-emitting element b, and then split by the beam splitter f. It is transmitted to the target surface 4, especially in the process of splitting light, most of the crimes have been transmitted from the spectroscope f, and the light energy is effectively made to be low: In particular, in order to enable the transparent medium object to pass through to the object: ^^ beam to reach the image of the target Φ d, it is necessary to enhance the π piece 3 ^ optical power, which will consume relatively S light energy, in short energy , , $, is a design that is not environmentally friendly and uneconomical. The inventor of the present invention has finally developed a light guiding structure for a wheel-in device in view of the above-mentioned optical mouse in actual application, loss, and accumulation of personal experience in the development of related industries for many years. SUMMARY OF THE INVENTION The main purpose of this month is to provide a light guide for the input device, 1-2, by providing a first lens between the light source and the target surface, just to make the light of the lens The refraction phenomenon is generated, and the projection path is adjusted, and the source beam is concentrated on the target object surface, so that the image detecting component clearly detects the image on the target object surface.
了制上述目的，本發明係提供—種輸人裝置之光 其包含：-光源’心提供投射之光束；一第 一&鏡’其底©形成有—弧形面恰位於光束之投射路徑 士，用以調整光束之斜率’且該第—透鏡之弧形面法線垂 向目標物面’使光束聚焦於該第—透鏡底端，進而透射至 目標物面，且影像擷取路徑恰自目標物面通過該第一透 =，束集於該第-透鏡上端；以及—影像侧元件，係相 對位於該第-透鏡上端，用輯取目標物面之影像。 如上述構造，藉由該第一透鏡之弧形面使光束聚焦目 標物面，使影像偵測元件清楚讀取目標物面之影像，並根 據移動時目標物面的影像變化來對應判斷輸於 目標物面之位移方向以及位移距離資料。 、 為使能更進-步瞭解本發明之特徵及技術内容，請參 閱以下有關本發明之詳細說明與附圖，然而所附圖式僅提 供參考與說明用，並非絲對本發明加·制者。 【實施方式】 首先，請參閱第四圖所示，本發明係設於輸入裝置本 版内，其包3.光源1、—第一透鏡2 2以及一影像你 測元件3 ;其中， 、該光源1係可為可見光源！或不可見光源工，且該光 源1的具體構造採用雷射或發光二極體，其主要係用以提 供-投射之光束，且該光源之投射方向為水平方向投射。 該第-透鏡2 2係對應該光源丄之光束投射路 以及影像娜路彳iL 2，且該第―透鏡2 2係—凸賴: 200813791 於該第-透鏡2 2其底面形成有一弧形 ，用以調整光束之斜率，於 ,4=目軸瓜形面2 21上方兩側分別形成有一斜面 I兄^該光源所發射光束之光束投射_ u 】ΓΛ 射人該第—透鏡2 2之弧形面2 2 i該ΐ=Γ第一透鏡2 2底端，即目標物面4, η上：之法線垂向目標物面4，使目標物面4 =像^像_路徑L 2通過該第—透鏡2 2 於 该弟一透鏡2 2上端。 采木於 *該影像偵測元件3,係架設於上述第—透鏡2 "而，用以擷取自目標物面4影像擷取路徑L 2之影像。 如上述構造實施時，依第四A圖所示，藉由該笫 =2 :圍所設置該斜面稜鏡2 2 2位於光束投鱗 言2 ΐ:源=絲投射路徑 ¥敗—:人或―次以上反射進人該第-透鏡2 2之 叫，2 21，從而達到將光束導引於該弧形面2 2 ^功能’再藉由該第-透鏡2 2之弧形面2 2 i使光 斜：徑L1上之光束產生向中心聚焦的折射現象，而隼^ 一透！介質物件5 (玻璃）下方的目標物面4、， —光束此束集穿透過一透明介質物件5(玻璃）表面之 二影像軸A ’投射人下方之目標物面4之第二影像㈣， ，目標物面4之影像沿影像#|取路徑L2?透過該 =件5 該第-透鏡2 2，進而射入該影像偵測元 ，使,亥影像偵測兀件3清楚讀取之目標物面4 ，而透過電路控制單元根據移動時目標物面4的影像化 來對應判斷輸入裝置本體於目標物面4之位移方向以= 10 200813791 移距離資料。In order to achieve the above object, the present invention provides a light for an input device comprising: a light source 'heart providing a projected beam; a first & mirror' having a bottom surface formed with a curved surface located at a projection path of the light beam In order to adjust the slope of the beam 'and the curved surface of the first lens is perpendicular to the target surface', the beam is focused on the bottom end of the first lens, and then transmitted to the target surface, and the image capturing path is just The target surface passes through the first lens, and the beam is collected on the upper end of the first lens; and the image side element is located at the upper end of the first lens to capture an image of the target object surface. According to the above configuration, the curved surface of the first lens causes the light beam to be focused on the target object surface, so that the image detecting component clearly reads the image of the target object surface, and correspondingly judges the loss according to the image change of the target object surface when moving. The direction of displacement of the target surface and the displacement distance data. In order to enable further understanding of the features and technical aspects of the present invention, reference should be made to the detailed description of the invention and the accompanying drawings. . [Embodiment] First, referring to the fourth figure, the present invention is provided in the original version of the input device, and includes a light source 1, a first lens 2 2, and an image measuring component 3; wherein, Light source 1 can be a visible light source! Or invisible light source, and the specific configuration of the light source 1 uses a laser or a light emitting diode, which is mainly used to provide a -projected light beam, and the light source is projected in a horizontal direction. The first lens 2 2 is a beam projecting path corresponding to the light source 以及 and an image 彳iL 2 , and the first lens 2 2 is embossed: 200813791 has an arc shape formed on the bottom surface of the first lens 2 2 . In order to adjust the slope of the beam, a beam is formed on both sides of the upper side of the 4= guillotine surface 21, and the beam of the beam emitted by the light source is projected. _ u ΓΛ 射 射 射 射The surface 2 2 i ΐ = 底 the bottom end of the first lens 2 2 , that is, the target object surface 4, η upper: the normal line is perpendicular to the target object surface 4, so that the target object surface 4 = like the image path _ path L 2 The first lens 2 2 is at the upper end of the lens 2 2 . The image detecting component 3 is mounted on the first lens 2 " and is used to capture an image of the image capturing path L 2 from the target object 4. When the above configuration is implemented, as shown in FIG. 4A, the bevel 稜鏡2 2 2 is located by the 笫=2: 围 位于 位于 ΐ 源 源 源 源 源 源 源 源 源 源 源 源 源 源 源 源 源 源 源―More than the second reflection into the first lens 2 2, 2 21, so as to guide the beam to the curved surface 2 2 ^ function 'by the curved surface 2 2 i of the first lens 2 2 Make the light oblique: the beam on the path L1 produces a refraction phenomenon that is focused toward the center, and 隼^ is transparent! The target object surface 4 under the medium object 5 (glass), the beam of light passes through the second image axis A of the surface of the transparent medium object 5 (glass) and the second image (4) of the target object surface 4 below the projection person, The image of the target object plane 4 is taken along the image #| taking the path L2, and the first lens 2 2 is passed through the image sensor 2, and then the image detection element is injected, so that the target of the image detection component 3 is clearly read. The object plane 4, and the transmissive circuit control unit correspondingly determines the displacement direction of the input device body in the displacement direction of the target object plane 4 by the imaging of the target object surface 4 at the time of shifting = 10 200813791.
本發明之第二實施例，如第五圖所示，.上述構造中該 光源1可為垂直方向設置，致使該光源1所投射光束之光 束投射路徑L 1無法直接射入該第一透鏡2 2之弧形面2 2 1，此時仍藉由該第一透鏡2 2周圍設有多個該斜面稜 鏡2 2 2 ’其中至少有一該斜面稜鏡2 2 2恰位於光束投 射路徑L 1，至少二個該斜面稜鏡係相互反射。使光束經 由多個該斜面稜鏡222的反射轉傳，222而射入該第 一透鏡2 2之弧形面2 2 1。 如上述構造，該光源1之光束先射入位於該光源1下 方之及斜面棱鏡2 2 2，使該光源1之光束投射路徑l 1 可透過該斜面棱鏡2 2 2導引，而水平反射入該另一斜面 稜鏡2 2 2，使該光束投射路徑l 1可透過該另一斜面稜 鏡2 2 2導引，垂直射入該第一透鏡2 2之弧形面2 2 1，從而達到將光束導引於該弧形面221上之功能。 本發明之第三實施例，如第六圖所示，上述構造中 該光源1以及該第一透鏡2 2係容設於一透鏡座2中。， 透鏡座2係由透明物質一體成型構成，並於該光源丄之 束投射路徑L 1以及光束反射路徑L 2上設有一空間 1 ’於该空間2 1中設置該第一透鏡2 2。 本發明之第四實施例，如第七圖所示，上述構造中 該透鏡座2中，於該影像偵測元件3與該第一 之2擷料彳iL 2上概衫少-具峨影像效果之 一透鏡2 4，用以調整影像之清晰度 3獲得更佳之影像操取。 &亥衫像债測兀. 如上述構造，透過設於影像擷取路徑L 2上之該第 11 200813791 ’再射入該影 取之影像更明 透鏡2 4將目標物面4影像做進一步的調整 像债測元件3，可使該影像偵測元件3所掏 亮清晰。 本發明之第五實施例，如第八圖所示， 該透鏡座2之空間2 1上方，於該影像動 = 一透鏡2 2間得設有至少〜符干d兵1 2 3 4亥弟 , 反射，見2 5 |^位於影像擷取路 上用以舲〜像導弓丨至該影像偵測元件3。The second embodiment of the present invention, as shown in the fifth figure, in the above configuration, the light source 1 can be disposed in a vertical direction, so that the beam projection path L1 of the light beam projected by the light source 1 cannot directly enter the first lens 2. 2 curved surface 2 2 1 , at this time, a plurality of the inclined surfaces 稜鏡 2 2 2 2 are disposed around the first lens 2 2 , wherein at least one of the inclined surfaces 稜鏡 2 2 2 is located on the beam projection path L 1 At least two of the inclined ridges are mutually reflective. The light beam is transmitted through a plurality of reflections of the bevel 222, and 222 is incident on the curved surface 2 2 1 of the first lens 22. According to the above configuration, the light beam of the light source 1 is first incident on the bevel prism 2 2 2 under the light source 1 so that the beam projection path l 1 of the light source 1 can be guided through the bevel prism 2 2 2 and reflected horizontally. The other inclined surface 稜鏡 2 22 causes the beam projection path l 1 to be guided through the other inclined surface 稜鏡 2 2 2 and vertically enters the curved surface 2 2 1 of the first lens 2 2 The function of guiding the light beam onto the curved surface 221. In the third embodiment of the present invention, as shown in the sixth figure, in the above configuration, the light source 1 and the first lens 2 2 are accommodated in a lens holder 2. The lens holder 2 is integrally formed of a transparent material, and a space 1 ′ is disposed in the beam projection path L 1 and the beam reflection path L 2 of the light source 于. The first lens 2 2 is disposed in the space 2 1 . According to the fourth embodiment of the present invention, as shown in the seventh figure, in the lens holder 2, the image detecting component 3 and the first two substrates 彳iL 2 have a smaller number of images. One of the effects of the lens 2 4, used to adjust the sharpness of the image 3 for better image manipulation. &Heil shirt image debt measurement. According to the above configuration, the 11th 200813791 'disposed on the image capturing path L 2 is re-injected into the image taken by the lens to make the target object 4 image further. The adjustment of the image detecting component 3 can make the image detecting component 3 bright and clear. According to a fifth embodiment of the present invention, as shown in the eighth figure, the space 2 1 of the lens holder 2 is disposed above the image movement = a lens 2 2 at least ~ Fugan dbing 1 2 3 4 Haidi , reflection, see 2 5 | ^ located on the image capture path for 舲 ~ like a guide bow to the image detection component 3.
如上述構造，該影像偵測元件3可不 |透鏡22之弧形面221位於相同法線上，而能透=反 射鏡2 5改變影像棘路紅2，使影_取料對 應射入該影像偵測元件3。 、 紅上所述，本發明具有下列諸優點： 1、 本發明藉由該第-透鏡2 2之弧形面2 2丄對進入的 光束產生束集聚焦的作用，使光束投射路徑L丄調敕束 集，而能穿透過正下方之透明介質物件5 ^面 之，投射入位於透明介質物件5下方之目標物面4上， 使目標物面4之影像能清晰地被擷取。 12 1 、 本發明由於透過該弧形面22 1絲束做束集聚焦， 從而減少光束能量的耗損，使相等發光功率的光源I於 本，構上能發揮到最大的光束強度，使目標物面4之影 像能，晰地被擷取，從而相對節約光功率輸出，充分利 2 用光能源，在能源短缺的今日，實為既環保且經濟的設 3 計0 4 、本發明之光束射入目標物面4係呈集中包圍，且該第 一透鏡2 2之法線垂向目標物面4•，故光束投射路徑l 1與影像擷轉彳2近乎重疊，從而避免光束往來通 200813791 * 過透明介質物件5所造成折射的物理影響，使目標物面 .: .4之影像能順利、清晰地被擷取。 以上所述僅為本發明之較佳可行實施例，非因此侷限 本發明之專利範圍，故舉凡運用本發明說明書及圖示内容 所為之等效技術變化，均包含於本發明之範圍内。 【圖式簡單說明】 第一圖係習用光學結構之剖視示意圖。 第二圖係習用光學結構之實施例示意圖。 φ 第三圖係另一習用光學結構之剖視示意圖。 第四圖係本發明光束通過第一透鏡之光束路徑示意圖。 、 第四A圖係本發明光束通過第一透鏡進入透明介質物件之 光束路徑示意圖。 第五圖係本發明第二實施例之剖視示意圖。 第六圖係本發明第三實施例之剖視示意圖。 第七圖係本發明第四實施例之剖視示意圖。 第八圖係本發明第五實施例之剖視示意圖。 • 【主要元件符號說明】 [習知] a —發光元件 b—導光板 b 1 —第一反射面 b 2 —第二反射面 c 一底座 - d —目標物面 … 13 200813791 e —影像擷取元件 f 一分光鏡 R—擷取影像之光束 D一投射之光束 I 一第一影像軸 I1一第二影像轴 [本發明] 1 一光源 .Ϊ 2 —透鏡座 2 1 —空間 2 2 —第一透鏡 2 2 1一弧形面 2 2 2 —斜面棱鏡 2 4 —第二透鏡 2 5 —反射鏡 3 —影像偵測元件 4一目標物面 5 —透明介質物件 L1光束投射路徑 L 2影像擷取路徑 A —第一影像轴 B —第二影像軸According to the above configuration, the image detecting element 3 may not be located on the same normal line of the curved surface 221 of the lens 22, but can change the image of the image redness 2 by the mirror 2, so that the image_receiving correspondingly enters the image detection. Measuring element 3. The present invention has the following advantages: 1. The present invention produces a beam focus focusing on the incoming beam by the curved surface 2 2 该 of the first lens 22, so that the beam projection path L is adjusted. The image is collected and penetrated through the transparent medium object directly underneath, and projected onto the target object surface 4 below the transparent medium object 5, so that the image of the target object surface 4 can be clearly captured. 12 1 . The present invention reduces beam energy loss by using the curved surface 22 1 tow to focus the beam, so that the light source I of equal luminous power can be used to maximize the beam intensity. The image of the surface 4 can be clearly captured, so that the optical power output is relatively saved, and the energy is fully utilized. In today's energy shortage, it is environmentally friendly and economical. The target object surface 4 is concentratedly surrounded, and the normal line of the first lens 22 is perpendicular to the target object surface 4, so that the beam projection path l 1 and the image 撷 彳 2 overlap almost, thereby avoiding the light beam passing through 200813791 * The physical influence of the refraction caused by the transparent medium object 5 enables the image of the target object surface: . . . to be smoothly and clearly captured. The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and the equivalents of the present invention are intended to be included within the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a schematic cross-sectional view of a conventional optical structure. The second figure is a schematic diagram of an embodiment of a conventional optical structure. φ The third figure is a schematic cross-sectional view of another conventional optical structure. The fourth figure is a schematic diagram of the beam path of the beam of the invention through the first lens. The fourth A is a schematic diagram of the beam path of the light beam of the present invention entering the transparent medium object through the first lens. Figure 5 is a schematic cross-sectional view showing a second embodiment of the present invention. Figure 6 is a schematic cross-sectional view showing a third embodiment of the present invention. Figure 7 is a schematic cross-sectional view showing a fourth embodiment of the present invention. Figure 8 is a schematic cross-sectional view showing a fifth embodiment of the present invention. • [Main component symbol description] [Practical] a — Light-emitting element b—Light guide plate b 1 — First reflective surface b 2 — Second reflective surface c — Base — d — Target surface... 13 200813791 e — Image capture Element f-beam splitter R—beam of image D—projected beam I—first image axis I1—second image axis [invention] 1 a light source. Ϊ 2 — lens holder 2 1 — space 2 2 — a lens 2 2 1 a curved surface 2 2 2 — a bevel prism 2 4 — a second lens 2 5 — a mirror 3 — an image detecting element 4 a target surface 5 — a transparent medium object L1 a beam projection path L 2 image 撷Take path A - first image axis B - second image axis