201209703 六、發明說明： 【發明所屬之技術領域】 本發明是有關於一種印表機的定位方法，且特別是有 關於一種改善印表機中光學定位精準度與修正偏差的^位 方法。 【先前技術】 • 在光學定位領域的應用上，常見的有光學滑鼠的游標 定，、印表機的噴墨頭在紙張上的喷墨點定位以及紙張進 ^定位。現今的光學滑鼠的解析度可達5000DPI (或者更 咼），遠高於印表機上噴墨頭以及紙張進紙所需的解析度 (例如’24GGLPI)，雖然業界有想到將應用在光學滑鼠上= -維光學感測H實際應用在印表機上，以提高現今印表機 2解析度’但是實際上光學滑鼠在不同反射面上的解析度 會因反射面（―般即減張）的粗Μ度不同而制不同數 _ Τ解析度’若韓完全取代齡印表機常帛的編碼盤 ncoder disk)及編碼條（Encorder Strip)的定位系統， ，會發生不_财的列印紙張在同—個二維光學感測 =影像清晰度不—致，而造成定位純誤判列印紙張在 動距離下各自有不同的位移量，需造成列印内容程 真。例如相片紙比較光滑，二維光學感測器偵 i句相片紙的解析度跟侧一般的紙張所得到的解析度 :相同:因此二維光學感測器所得到的解析度只是個參 不疋紙張貫際的位移量，光靠二維光學感測器無法 201209703 量 定位各類型紙張的實際的位移 【發明内容】 本發明提供-種印表機的定位方法，用以修正二維光 :感測器對不同的列印紙張所得到的解析度，以得到更精 準的列印紙張位移量。 本發明提出-種印表機的定位方法，配合更 的喷墨頭可料鱗_岐提高錄鮮度。 本發明提出一種印表機的定位方法，包括：將-列印 =張通過-物理上的偵測區，並使列印紙張所反射的 射回二維光學感測器中，以得到—光學影像，並利用連續 的影像比較·估在細微單__位移距離；光學 的清晰度隨列印紙張的表面粗糙度而有所不同，使得推 的位移距離會因清晰度不同而得到不同位移解析度。根據 光學影像崎析度及列印紙_鶴速度而制列印紙張 的厂參考位移量；再_-編碼盤及編碼條計算列印紙^ 在進紙及/或列印方向上的一實降位移量;修正二維光學 測器之光學影像的解析度，以得到相對能符合列印紙張^ 實際位移量的解析度’以修正二維光學感測器所量測的位 移距離。 /在本發明之_實制巾，上述铜印紙張通過镇測區 之後’更包括：根據光學影像的解析度而得到一喷墨頭的 -參考位移量，其中二維光學感卿位於嘴墨頭上；以— 編碼條計算喷墨頭在列印紙張上的一實際位移量；以及判 201209703 否，修正光^傻^4轉噴墨_實際轉量，若 =光予衫像的解析度以達到嘴墨頭的實際了 在本發明之一實施例中，上述 的 。 度隨著光學影像的解析度增加㈣加?/卩紙張的定位解析 在本發明之一實施例中，上述之喷 隨著光學影像的解析度增加*增加。 、疋*析度 在本發明之一實施例中，上述之光 的 於編碼盤的定位解析度。 ⑽的解析度大 在本發明之一實施例中，上述之光 於編碼條蚊轉析^ 〃_解析度大 在本發明之—實施射，上述之編碼盤蚊位解析产 可過小於二維光學感測器的解析度，如20LPI。 又 一在本發明之一實施例中，上述之編碼盤可以僅使用單 一個士通道檢測器來計算列印紙張在列印方向上的一實際 位移量。 . ’、 在本發明之-實施例中，上述之編碼條的定位解析度 可遠小於二維光學感測器的解析度，如20LPI。 在本發明之一實施例中，上述之編碼條可以僅使用單 一個光通道檢測器來計算噴墨頭在列印紙張上的一實際位 移量。 在本發明之一實施例中，上述之噴墨頭根據光學影像 的解析度一次完成較高密度的噴墨列印。 在本發明之一實施例中，上述之光束包括雷射光或可 見光。 201209703 本發明另提出-種列印系統，包括 器以及一編碼盤。嘴墨列印裝置具ί物 上的_區’二維光學感測器設置於噴墨列印裝置，其 =一列印紙張進人喷墨列印裝置並通過此物理上的偵測 ^而==張所反射的-光束射回二維光學感測器中，、 ㈣ϋ影像的解析度，此光學影像的解析度隨列印 ，張，表陳财而有所㈣，錄據絲料的解析度 及列印紙張的移動速度而得到列印紙張的—參考位移量。 編碼盤設置於喷墨列印裝置内，此編碼盤用於計算列印紙 張在列印方向上的-實際位移量，並修正光學影像的解析 度，以得到符合列印紙張的實際位移量的解析度。 在本發明之一實施例中，更包括設置於喷墨列印裝置 的一喷墨頭，其中二維光學感測器位於喷墨頭上。 在本發明之一實施例中，更包括一編碼條，其中喷墨 頭位於編碼條的上方，且編碼條用以計算喷墨頭在列印紙 張上的一實際位移量，而此編碼條的定位解析度町遠小於 二維光學感測器，如20Ln。 在本發明之一實施例中，上述之編碼盤的定位解析度 可遠小於二維光學感測器，如20LPI。 本發明再提出一種列印系統，其包括一嘴墨列印裝 置、一二維光學感測器、一喷墨頭以及一編碼條。嘴墨列 印裝置具有一物理上的偵測區，而二維光學感測器設置於 喷墨列印裝置。喷墨頭設置於喷墨列印裝置上，篡；維光 學感測器位於喷墨頭上，其中一列印紙張進入嘴墨列印裝 201209703 置並通過物理上的偵測區’並使列印紙張所反射的一光束 射回二維光學感測器中，且根據光學影像的解析度及二維 光學感測器的移動速度而得到喷墨頭的一參考位移量。編 碼條設置於喷墨列印裝置上，此編碼條用以計算喷墨頭在 列印紙張上的一實際位移量，並判斷喷墨頭的參考位移量 是否等於喷墨頭的實際位移量，若否，修正光學影像的解 析度以達到喷墨頭的實際位移量。201209703 VI. Description of the Invention: [Technical Field] The present invention relates to a positioning method of a printer, and more particularly to a method for improving optical positioning accuracy and correction deviation in a printer. [Prior Art] • In the field of optical positioning, the cursor of the optical mouse is commonly used, the inkjet head of the printer's inkjet head is positioned on the paper, and the paper is positioned. Today's optical mice have resolutions of up to 5000 DPI (or more), far higher than the resolution required for inkjet heads and paper feeds on printers (eg '24GGLPI), although the industry has thought of applying it to optics. On the mouse = - dimensional optical sensing H is actually applied to the printer to improve the resolution of today's printer 2 'but in fact the optical mouse's resolution on different reflective surfaces will be due to the reflective surface (" The degree of roughness of the reduction is different and the number is different. Τ Τ Resolution 'If the Korean version completely replaces the encoder disk of the age of the encoder and the encoder system, the positioning system of the Encorder Strip will occur. The printing paper in the same two-dimensional optical sensing = image clarity is not caused, and the positioning is purely misjudged. The printing paper has different displacements under the moving distance, and the printing content is required to be true. For example, the photo paper is relatively smooth, and the resolution of the photo paper of the two-dimensional optical sensor is the same as that of the general paper: the resolution obtained by the two-dimensional optical sensor is only a paradox. The amount of displacement of the paper is stable, and the actual displacement of each type of paper cannot be positioned by the two-dimensional optical sensor. The invention provides a positioning method for the printer to correct the two-dimensional light: The resolution obtained by the detector for different printing papers to obtain a more accurate displacement of the printing paper. The invention proposes a positioning method of the printer, and the ink jet head can be used to increase the freshness. The invention provides a positioning method of a printer, comprising: printing a printing-physical detection area, and reflecting the reflected light of the printing paper back into the two-dimensional optical sensor to obtain optical Image, and use continuous image comparison to estimate the fine __ displacement distance; the optical clarity varies with the surface roughness of the printed paper, so that the displacement distance of the push will be differently resolved due to the different resolution. degree. According to the optical image resolution and the printing paper _ crane speed to produce the factory reference displacement of the printing paper; then _- code disk and code strip to calculate the printing paper ^ a real drop in the paper feeding and / or printing direction Correction; correct the resolution of the optical image of the two-dimensional optical detector to obtain a resolution that can correspond to the actual displacement of the printed paper ^ to correct the displacement distance measured by the two-dimensional optical sensor. / In the actual towel of the present invention, after the above-mentioned copper-printed paper passes through the town area, it further includes: obtaining a reference displacement amount of an ink-jet head according to the resolution of the optical image, wherein the two-dimensional optical sensor is located at the mouth of the ink On the head; calculate the actual displacement of the inkjet head on the printed paper by the - code strip; and judge 201209703 No, correct the light ^ silly ^ 4 turn inkjet _ actual rotation, if = the resolution of the light to the shirt image The actual realization of the nozzle head is in the embodiment of the invention described above. Degree increases with the resolution of the optical image. (4) Positioning analysis of the paper/plus paper In one embodiment of the present invention, the above-described spray increases with the resolution of the optical image*. In one embodiment of the present invention, the resolution of the above-described light is determined by the encoding disk. (10) The resolution of (10) is large. In an embodiment of the present invention, the above-mentioned light is encoded in the mosquitoes, and the resolution is large in the present invention. The resolution of the optical sensor, such as 20LPI. In still another embodiment of the invention, the encoder disk described above can use only a single channel detector to calculate an actual amount of displacement of the printing paper in the printing direction. In the embodiment of the present invention, the positioning resolution of the above-mentioned code strip can be much smaller than the resolution of the two-dimensional optical sensor, such as 20 LPI. In one embodiment of the invention, the code strip described above may use only a single optical channel detector to calculate an actual amount of displacement of the ink jet head on the printed paper. In one embodiment of the invention, the ink jet head described above performs higher density ink jet printing at a time in accordance with the resolution of the optical image. In an embodiment of the invention, the beam of light comprises laser light or visible light. 201209703 The invention further proposes a printing system, a device and an encoder disk. The ink-printing device has a _zone's two-dimensional optical sensor disposed on the inkjet printing device, which=prints a sheet of paper into the inkjet printing device and passes the physical detection^==张The reflected-beam is reflected back into the two-dimensional optical sensor, and (4) the resolution of the image, the resolution of the optical image is printed, Zhang, and Chen Cai (4), the resolution of the recorded silk material and Prints the moving speed of the paper to get the reference displacement of the printed paper. The code disk is disposed in the inkjet printing device, and the code disk is used for calculating the actual displacement amount of the printing paper in the printing direction, and correcting the resolution of the optical image to obtain the actual displacement amount of the printing paper. Resolution. In an embodiment of the invention, an ink jet head disposed in the ink jet printing apparatus is further included, wherein the two-dimensional optical sensor is located on the ink jet head. In an embodiment of the invention, an encoder strip is further included, wherein the inkjet head is located above the code strip, and the code strip is used to calculate an actual displacement amount of the inkjet head on the printed paper, and the code strip is The positioning resolution is much smaller than a two-dimensional optical sensor, such as 20Ln. In an embodiment of the invention, the positioning resolution of the encoder disc described above can be much smaller than that of a two-dimensional optical sensor, such as 20 LPI. The invention further provides a printing system comprising an ink jet printing device, a two-dimensional optical sensor, an ink jet head and a code strip. The ink jet printing device has a physical detection zone, and the two-dimensional optical sensor is disposed in the ink jet printing device. The inkjet head is disposed on the inkjet printing device, and the optical sensor is located on the inkjet head, wherein a row of printed paper enters the ink column printing 201209703 and passes through the physical detection zone' and prints the paper The reflected light beam is reflected back into the two-dimensional optical sensor, and a reference displacement amount of the inkjet head is obtained according to the resolution of the optical image and the moving speed of the two-dimensional optical sensor. The code strip is disposed on the inkjet printing device, and the code strip is used for calculating an actual displacement amount of the inkjet head on the printing paper, and determining whether the reference displacement amount of the inkjet head is equal to the actual displacement amount of the inkjet head, If not, the resolution of the optical image is corrected to achieve the actual amount of displacement of the inkjet head.
在本發明之一實施例中，更包括設置於喷墨列印裝置 内的一編碼盤，其中編碼盤計算列印紙張在列印方向上的 -實際位移量，其中編碼盤的定位解析度可遠小於二維 學感測器，如20LPI。 土在本發明之-實施例中，上述之編碼條的定位解析度 可运小於二維光學感測器，如2〇Lpi。 基於上述，本發明採用高解析度的二維光學感測器， =低解析度的編碼盤及/或編竭條，來修正二維光 :㈣不同的列印紙張所得到的解 = 量的解樣。此外，喷墨二= ’可節射彳㈣時間域高精準产。 為讓本發明之上述特徵和優點能又 舉實施例，並配合所關式作詳細說明如下。，文特 【實施方式】 ΤΡΤ ^今的印表機為了提高定位解析度，通當利用叙 (例如600LPI)的編碼條作為-維的定位1Ϊ = 201209703 用兩個光通道檢㈣來偵測光栅數來確認噴 以達到2400DH的定位解析度。除了喷二 的定位之外，尚需要控制列印紙張在行進方向上 因此通常是_線性解析度為數百Lpi (例如6()隨）的 編瑪盤作為另—維的定位基準，並彻 來確認軸張的位置 '然而，二= 疋位解析度越向，成本越高，且由於機械^件能達 到的最大騎度有其臨界值，無法跟隨㈣墨頭的列印解 析度同步成長，因此當要以較高的解析度（例如576〇Dpi) ，印時’必須要分次列印独内插法的方絲預估解析度 局於24_ΡΙ的喷墨位s，對於列印的時間狀位的精準 度都^負面的影響’因此本發哪用高解析度的二維光學 感測器，可使列印紙張及喷墨頭的定位解析度隨著光學影 像的解析度增加而增加，她合低騎度的編碼盤及/或編 碼條，來修正一維光學感測器對不同的列印紙張所得到的 解析度’以得到符合列印紙張的實際位移量的解析度，同 時修正二維光學感測器所量測的位移距離。同時，喷墨頭 在水平方向上的定位也可如此進行，可節省列印的時間及 &南精準度。 么圖1為本發明一實施例之印表機的定位方法的流程示 思圖。圖2為圖1之印表機的局部示意圖。請參考圖i及 圖2’列印系統300包括喷墨列印裝置2〇〇、二維光學感測 器Π0、嘴墨頭120、編碼盤132以及編碼條134，此噴墨 列印裝置200具有物理上的偵測區112。二維光學感測器 201209703 110、嘴墨頭120、編碼盤132以及編碼條134皆設置在喷 墨列印裴置200内，其中二維光學感測器110位於嘴墨頭 12〇上，而喷墨頭120位於編碼條134上，且喷墨頭134 可Ά耆編褐條134在X方向上來回移動。 請繼續參考圖1及圖2，在步騍S100中，列印紙張 1〇〇可藉由二維光學感測器110所發出的光束來偵測其位 移，以得到一參考位移量。光束例如是雷射二極體所發出 的雷射光或是由發光二極體所發出的可見光。當列印紙張 100經由印表機的進紙匣進入到一偵測區112時，由列^ 紙張100所反射的光束會射回到二維光學感測器11〇中， 以得到一光學影像的解析度。但由於光學影像的解析度會 隨著列印紙張100的表面粗糙度而有所不同，例如相片紙 與一般紙張的表面粗糙度不同，因而影響光學影像的解析 度。也因此，當列印紙張100的位移量是根據光學影像的 解析度及列印紙i 100 #移動速度得到的，那就有可能得 =不，列印紙張1〇。的實際位移量，目此必須要用其他的 定位系統來校正二維光學感測器11〇在紙張行進方 p 的偏差位移量。 β請參考步驟S110,為了得到列印紙張100时際位 量，本發明在印表機中採用了低解析度的編碼盤13 計算列印紙張刚在列印方向(紙張行進方向 的貫際位移量。由於編碼盤132的目的不是在提供 析度，而是計算形卩紙張觸的實際位移量，因此對於= 同粗縫度的列印紙張100而言，編碼盤132所計算得到的 201209703 位移量就是各個列印紙張應的實際位移量，不會隨 張的粗糙度而有所不同。因此，在步驟⑽ 斷+列印紙張刚的參考位移量是否等於= =〇中列”張100的實際位移量，即可得偏差位移量， 右偏差位移$未超過設定值，聽行步驟si4Q的列印， f超過設定值’則進行步驟S130，定位系統内的處理器可 ^動修正光學影像的解析度，以得到符合列印紙張_的 貝際位移量的解析度，並修正二維光學感測器UG所量測 的位移距離。在本實施例中，光學影像的解析度可達 500—0CPI，遠大於編碼盤132的定位解析度。編碼盤132 的定位解析度可遠小於二維光學感測器11〇的解析度，如 2口0LPI,f不需使用高解析度的編碼盤132,同時編碼盤132 八要以單一個光通道檢測器來計算列印紙張1⑻ 移量即可，因此成本較低。 耳際位 同樣的方法，喷墨頭12〇在水平方向χ上的定位也可 同時進行或在步驟S1(K)之前或之後分別完成。請參考步 驟Sl〇2,當噴墨頭12〇的位移量是根據光學影像的解析度 的二維光學感測器110的移動速度得到的，那就有 可能，到不是喷墨頭12〇的實際位移量，因此必須要用其 他的疋位系統來校正二維光學感測器丨⑴在水平方向X上 的偏差位移量。如步驟S112所述，本發明在印表機中採 用了低解析度的編碼條134，利用編碼條134計算喷墨頭 12〇在=印紙張100上的實際位移量。由於編碼條134的 目的不是在提供解析度，而是計算噴墨頭120的實際位移 201209703 量，因此可靠度高。接著，在步驟S122中，經由判斷步 驟S102中噴墨頭120的參考位移量是否等於步驟S112中 噴墨頭120的實際位移量，即可得偏差位移量，若偏差位 移量未超過設定值，則進行步驟S140的列印，若超過設 定值，則進行步驟S132，定位系統内的處理器可自動修正 光學影像的解析度，以得到符合喷墨頭120的實際位移量 的解析度，之後再以修正後的解析度，進行步驟sl4〇的In an embodiment of the present invention, an encoder disk disposed in the inkjet printing device is further included, wherein the encoder disk calculates an actual displacement amount of the printing paper in the printing direction, wherein the positioning resolution of the encoder disk can be Far less than two-dimensional sensors, such as 20LPI. In the embodiment of the invention, the positioning resolution of the above-mentioned code strip can be smaller than that of a two-dimensional optical sensor, such as 2 〇 Lpi. Based on the above, the present invention uses a high-resolution two-dimensional optical sensor, a low-resolution encoder disk and/or a braided strip to correct two-dimensional light: (iv) the solution obtained by different printing papers. Solution. In addition, the inkjet two = 'can be radiant (four) time domain with high precision production. The above features and advantages of the present invention will be described in detail with reference to the accompanying drawings. , Wente [Embodiment] ΤΡΤ Today's printer in order to improve the positioning resolution, the use of the code (for example, 600LPI) of the code strip as a - dimensional positioning 1 Ϊ = 201209703 with two optical channel detection (four) to detect the grating The number is confirmed to achieve a positioning resolution of 2400 DH. In addition to the positioning of the spray two, it is necessary to control the printing paper in the direction of travel, and therefore the _ linear resolution of hundreds of Lpi (for example, 6 () with) is used as the positioning reference for the other dimension. To confirm the position of the shaft, 'However, the second = the higher the resolution, the higher the cost, and because the maximum riding degree that the mechanical parts can reach has its critical value, it can't follow the (4) the print resolution of the ink head grows synchronously. Therefore, when it is necessary to use a higher resolution (for example, 576 〇 Dpi), it is necessary to print the square interpolation resolution of the single interpolation method in the inkjet position s of 24_ΡΙ for printing. The accuracy of the time position is negative. 'So the high-resolution two-dimensional optical sensor can make the positioning resolution of the printing paper and the inkjet head increase with the resolution of the optical image. Increasing, she combines the low-coded code wheel and/or code strip to correct the resolution of the one-dimensional optical sensor for different printed papers to obtain a resolution that matches the actual displacement of the printed paper. Simultaneously correct the displacement distance measured by the two-dimensional optical sensorAt the same time, the positioning of the ink jet head in the horizontal direction can also be performed in such a manner as to save printing time and & south precision. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a flow chart showing a positioning method of a printer according to an embodiment of the present invention. 2 is a partial schematic view of the printer of FIG. 1. Referring to Figures i and 2, the printing system 300 includes an inkjet printing device 2, a two-dimensional optical sensor Π0, a nozzle ink head 120, an encoder disk 132, and a code strip 134. The inkjet printing device 200 There is a physical detection area 112. The two-dimensional optical sensor 201209703 110, the nozzle ink head 120, the code disk 132 and the code strip 134 are all disposed in the inkjet printing device 200, wherein the two-dimensional optical sensor 110 is located on the nozzle ink head 12 The inkjet head 120 is positioned on the code strip 134, and the inkjet head 134 can move the brown strip 134 back and forth in the X direction. Referring to FIG. 1 and FIG. 2, in step S100, the printing paper 1 can detect the displacement of the paper by the light beam emitted by the two-dimensional optical sensor 110 to obtain a reference displacement. The light beam is, for example, laser light emitted by a laser diode or visible light emitted by a light-emitting diode. When the printing paper 100 enters a detecting area 112 via the paper feed cassette of the printer, the light beam reflected by the column paper 100 is returned to the two-dimensional optical sensor 11A to obtain an optical image. Resolution. However, since the resolution of the optical image differs depending on the surface roughness of the printing paper 100, for example, the surface roughness of the photo paper is different from that of the general paper, thereby affecting the resolution of the optical image. Therefore, when the displacement amount of the printing paper 100 is obtained based on the resolution of the optical image and the moving speed of the printing paper i 100 #, it is possible to obtain = no, and print the paper 1 〇. The actual displacement amount, it is necessary to use other positioning systems to correct the deviation displacement of the two-dimensional optical sensor 11 at the paper travel point p. β Refer to step S110. In order to obtain the amount of time for printing the paper 100, the present invention uses a low-resolution encoder disk 13 in the printer to calculate the printing paper just in the printing direction (the continuous displacement of the paper traveling direction). Since the purpose of the code disk 132 is not to provide the resolution, but to calculate the actual displacement amount of the shape paper contact, the 201209703 displacement calculated by the code disk 132 is the same for the printing paper 100 with the same degree of slash. The quantity is the actual displacement of each printed paper, and does not vary with the roughness of the sheet. Therefore, in step (10), the reference displacement of the printed paper is equal to == 〇 column "100" The actual displacement amount can obtain the deviation displacement amount, and the right deviation displacement $ does not exceed the set value. If the printing step si4Q is printed, f exceeds the set value, then step S130 is performed, and the processor in the positioning system can correct the optical image. The resolution is obtained to obtain the resolution of the interbay displacement amount of the printing paper _, and the displacement distance measured by the two-dimensional optical sensor UG is corrected. In this embodiment, the resolution of the optical image is up to 500. -0CPI, It is larger than the positioning resolution of the code disk 132. The positioning resolution of the code disk 132 can be much smaller than the resolution of the two-dimensional optical sensor 11〇, such as 2-port 0LPI, f does not need to use the high-resolution code disk 132, and simultaneously encodes The disk 132 is required to calculate the displacement of the printing paper 1 (8) by a single optical channel detector, so the cost is low. The same method of the ear position, the positioning of the inkjet head 12 〇 in the horizontal direction can also be simultaneously performed. Or separately before or after step S1 (K). Referring to step S1, 2, when the displacement amount of the inkjet head 12 is obtained according to the resolution of the optical image, the moving speed of the two-dimensional optical sensor 110 is obtained. It is then possible that the actual amount of displacement of the inkjet head 12 is not reached, so other clamping systems must be used to correct the amount of deviation displacement of the two-dimensional optical sensor 1(1) in the horizontal direction X. As shown in step S112. As described, the present invention employs a low resolution code strip 134 in the printer, and uses the code strip 134 to calculate the actual amount of displacement of the ink jet head 12 on the = paper 100. Since the purpose of the code strip 134 is not to provide resolution Degree, but calculate the inkjet head 120 The actual displacement is 201209703, so the reliability is high. Then, in step S122, the deviation displacement amount can be obtained by determining whether the reference displacement amount of the inkjet head 120 in step S102 is equal to the actual displacement amount of the inkjet head 120 in step S112. If the deviation displacement does not exceed the set value, the printing in step S140 is performed. If the set value is exceeded, the process proceeds to step S132, and the processor in the positioning system can automatically correct the resolution of the optical image to obtain the inkjet head 120. The resolution of the actual displacement amount, and then the corrected resolution, step sl4
列印。在本實施例中，光學影像的解析度可達5〇〇〇Dpi， 遠大於編碼條134的定位解析度。編碼條134的定位解析 度可遠^於二維光學感測器11G的解析度，如肌ρι，不 需使用高解析度的編碼條134，同時編碼條134只要 -個光通道檢翻料算噴墨頭⑽的實際位移量即可， 因此成太齡极。 富然 上述步驟完成之後，:.:==== 質的需:r做—次校正，以節== 並配度度:=光_ 測器對不同的列印— 、來L正一維光學感 紙張的實析= 賴合列印 的定位也可如此進行，也 喷墨啦水平方向上 學影像的解析度增加而增加解析度隨著光 只要-次完成嗔墨列印，不二 =較:解抑度列印時， 來預崎位置’可節省列二時 的方式 201209703 雖然本發明已以實施例揭露如上，然 本發明，任何所屬技術領域中具有通常=缉並非用以限定 本發明之精神和範圍内，當可作些許之者，在不脫離 發明之保護範圍當視後附之中請i利範圍為= 意圖 圖式簡單說明】 圖1為本發明一實施例之印表機的定位 方法的流程示Print. In this embodiment, the resolution of the optical image is up to 5 〇〇〇 Dpi, which is much larger than the positioning resolution of the code strip 134. The positioning resolution of the code strip 134 can be far greater than the resolution of the two-dimensional optical sensor 11G, such as the muscle ρι, without using the high-resolution encoding strip 134, and the encoding strip 134 only needs to be detected by one optical channel. The actual displacement amount of the ink jet head (10) is sufficient, so that it is too old. After the completion of the above steps, :.:==== Quality requirements: r do - correction, to section == and degree of coordination: = light _ tester for different prints -, to L positive one dimension The analysis of optical papers can also be carried out in the same way. The resolution of the inkjet image in the horizontal direction is increased and the resolution is increased. : When the degree of reprinting is printed, the way to save the position of the pre-sakis can save the time of the second time 201209703. Although the present invention has been disclosed in the above embodiments, the present invention has any general field in the art and is not intended to limit the present invention. In the spirit and scope of the invention, the scope of the invention is not limited to the scope of protection of the invention, and the scope of the invention is as follows: FIG. 1 is a pictorial machine according to an embodiment of the invention. Flow of the positioning method
圖2為圖1之印表機的局部示意圖。 134 :編碼條 X.水平方向 Y:紙張行進方向 S100〜S140 :步專 【主要元件符號說明】 100 :列印紙張 110 :二維光學感測器 112 :偵測區 :噴墨頭 :編碼盤2 is a partial schematic view of the printer of FIG. 1. 134: code strip X. horizontal direction Y: paper travel direction S100~S140: step special [main component symbol description] 100: print paper 110: two-dimensional optical sensor 112: detection area: inkjet head: code disc
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