Claims (16)
一種光學觸控系統，定位存在於一觸控區域之一物件，其包含：至少一個反射元件，設於該觸控區域的一側邊；至少一個光導模組，設於該觸控區域中與該反射元件相鄰或面對的一側邊，及產生光線；一影像感測器，擷取該物件之影像；複數個第一光偵測器，排列於該觸控區域中與該影像感測器相鄰的一側邊，及偵測該物件以得到一第一遮光資訊；以及一處理器，根據該物件之影像及該第一遮光資訊以計算該物件之一座標。
An optical touch system is disposed in an object of a touch area, and includes: at least one reflective component disposed on one side of the touch area; at least one light guide module disposed in the touch area An image sensor that captures an image of the object; a plurality of first photodetectors arranged in the touch area and the image sense An adjacent side of the detector, and detecting the object to obtain a first shading information; and a processor calculating a coordinate of the object according to the image of the object and the first shading information.
如申請專利範圍第1項所述之光學觸控系統，其中該影像感測器係設於該觸控區域中與該反射元件面對的一側邊之一端。
The optical touch system of claim 1, wherein the image sensor is disposed at one end of one side of the touch area facing the reflective element.
如申請專利範圍第1項所述之光學觸控系統，其另包含設於該觸控區域中與該複數個第一光偵測器面對一側邊之對應區段的複數個發光單元。
The optical touch system of claim 1, further comprising a plurality of light-emitting units disposed in the touch area and corresponding to one side of the plurality of first photodetectors.
如申請專利範圍第1項所述之光學觸控系統，其中該光導模組包括一導光條及設於該導光條之一端面之至少一個發光元件。
The optical touch system of claim 1, wherein the light guide module comprises a light guide strip and at least one light emitting element disposed on an end surface of the light guide strip.
如申請專利範圍第1項所述之光學觸控系統，其中該光導模組之數量為二，並分別設於該觸控區域中與該反射元件相鄰及面對的一側邊。
The optical touch system of claim 1, wherein the number of the light guide modules is two, and is respectively disposed on a side of the touch area adjacent to and facing the reflective element.
如申請專利範圍第1項所述之光學觸控系統，其另包含設於該觸控區域中與該反射元件相同側邊之複數個第二光偵測器，其中該複數個第二光偵測器與該複數個第一光偵測器相
鄰，又該複數個第二光偵測器偵測該物件以得到一第二遮光資訊，用以提供該處理器計算該物件之座標。
The optical touch system of claim 1, further comprising a plurality of second photodetectors disposed on the same side of the reflective element as the reflective element, wherein the plurality of second optical detectors The detector and the plurality of first photodetectors
And the plurality of second photodetectors detect the object to obtain a second shading information for providing the processor to calculate a coordinate of the object.
如申請專利範圍第1項所述之光學觸控系統，其另包含設於該觸控區域中與該反射元件面對側邊之複數個第二光偵測器，其中該複數個第二光偵測器與該影像感測器相鄰，又該複數個第二光偵測器偵測該物件以得到一第二遮光資訊，用以提供該處理器計算該物件之座標。
The optical touch system of claim 1, further comprising a plurality of second photodetectors disposed in the touch area facing the side of the reflective element, wherein the plurality of second lights The detector is adjacent to the image sensor, and the plurality of second photodetectors detect the object to obtain a second shading information for providing the processor to calculate a coordinate of the object.
如申請專利範圍第1項所述之光學觸控系統，其中該第一光偵測器係光電二極體或光電電晶體。
The optical touch system of claim 1, wherein the first photodetector is a photodiode or a phototransistor.
如申請專利範圍第1項所述之光學觸控系統，其中該反射元件係一回溯型反射片。
The optical touch system of claim 1, wherein the reflective element is a retroreflective sheeting.
如申請專利範圍第1項所述之光學觸控系統，其中該影像感測器及該複數個第一光偵測器係於不同時段依序接受光線。
The optical touch system of claim 1, wherein the image sensor and the plurality of first photodetectors sequentially receive light at different times.
一種光學觸控系統，定位存在於一觸控區域之一物件，其包含：兩影像感測器，設於該觸控區域的一側邊之兩端，擷取該物件之影像；複數個光偵測器，排列於該觸控區域中與該兩影像感測器相同側邊之中間區段，及偵測該物件以得到一遮光資訊；以及一處理器，根據該物件之影像及該遮光資訊以計算該物件之一座標。
An optical touch system for positioning an object in a touch area, comprising: two image sensors disposed at two ends of one side of the touch area to capture an image of the object; a plurality of lights The detector is arranged in an intermediate section of the same side of the two image sensors in the touch area, and detects the object to obtain a shading information; and a processor, according to the image of the object and the shading Information to calculate the coordinates of the object.
如申請專利範圍第11項所述之光學觸控系統，其另包含至少一個反射元件，其係設於該觸控區域中與該兩影像感測器不同之側邊。
The optical touch system of claim 11, further comprising at least one reflective component disposed on a side of the touch area different from the two image sensors.
如申請專利範圍第12項所述之光學觸控系統，其中該反射元件係一回溯型反射片。
The optical touch system of claim 12, wherein the reflective element is a retroreflective sheeting.
如申請專利範圍第11項所述之光學觸控系統，其另包含至少一個光導模組，其係設於該觸控區域中與該兩影像感測器不同之側邊。
The optical touch system of claim 11, further comprising at least one light guide module disposed on a side of the touch area different from the two image sensors.
如申請專利範圍第14項所述之光學觸控系統，其中該光導模組包括一導光條及設於該導光條之一端面之至少一個發光元件。
The optical touch system of claim 14, wherein the light guide module comprises a light guide strip and at least one light emitting element disposed on an end surface of the light guide strip.
如申請專利範圍第11項所述之光學觸控系統，其中該光偵測器係光電二極體或光電電晶體。
The optical touch system of claim 11, wherein the photodetector is a photodiode or a phototransistor.