TWI468214B - Index positioning system - Google Patents
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Description
本發明係與電子裝置有關,更詳而言之是指一種指標定位系統。The present invention relates to electronic devices and, more particularly, to an index positioning system.
近年來,隨著人們生活品質的提升,人們愈來愈重視休閒活動,期以透過休閒活動能釋放生活中的壓力,並增進人與人之間的情感交流。而隨著遊戲產業的蓬勃發展,各式各樣的網路遊戲或單機遊戲,已成為人們重要的休閒活動與生活之調劑品,其中尤以大型射擊類遊戲機台深受年輕人的喜愛。In recent years, with the improvement of people's quality of life, people are paying more and more attention to leisure activities. Through leisure activities, they can release the pressure in life and enhance the emotional communication between people. With the vigorous development of the game industry, a variety of online games or stand-alone games have become important adjustments for people's leisure activities and life. Among them, large-scale shooting games are popular among young people.
然而,目前在射擊類遊戲機台中,通常會利用光槍來取代一般搖桿進行瞄準顯示幕上的目標物,以提昇遊戲模擬的真實性。請參閱圖1所示,習知指標定位系統主要包含有一光槍150以及一遊戲主機160,且該光槍150的信號線直接連接至遊戲主機160,當使用者利用該光槍150對準一顯示幕200上一瞄準點發射一彈著點信號時,該光槍150之一光接收器151會接收到陰極射線管電子打在該顯示幕200之瞄準點所產生的彈著點信號,而將此彈著點信號送回遊戲主機160,令該遊戲主機160所執行的遊戲程式會根據此彈著點信號,配合遊戲主機160的視訊信號,計算出彈著點相對於該顯示幕200上的瞄準座標,而進行相關之遊戲程式處理。However, in the shooting game machine, the light gun is usually used instead of the normal rocker to aim at the target on the display screen to enhance the authenticity of the game simulation. Referring to FIG. 1 , the conventional index positioning system mainly includes a light gun 150 and a game host 160 , and the signal line of the light gun 150 is directly connected to the game console 160 when the user uses the light gun 150 to align one. When an aiming point on the display screen 200 emits a bullet point signal, the light receiver 151 of the light gun 150 receives the impact point signal generated by the cathode ray tube electrons hitting the aiming point of the display screen 200, and the bullet point signal is generated. Returning to the game console 160, the game program executed by the game host 160, based on the impact point signal, and the video signal of the game host 160, calculate the aiming coordinates of the impact point relative to the display screen 200, and execute the related game program. deal with.
由上述可知,習知光槍150都必需靠於該顯示幕200上所 產生的彈著點訊號或同步訊號,才能做彈著點訊號處理或者計算彈著點X、Y軸座標值;再者,假如使用者在進行射擊遊戲時,其顯示幕為TFT LCD、PDP投射系統顯示幕或一些不能產生彈著點信號或同步信號的顯示幕,則該光槍150將無法使用在上述類型之顯示幕,進而導致使用者僅能應用在CDT、CRT等可產生彈著點信號或同步信號的顯示幕,不僅整體之適用性差,並會造成使用者的不方便。It can be seen from the above that the conventional light gun 150 must be placed on the display screen 200. The generated point signal or synchronization signal can be used to perform the point signal processing or calculate the X and Y axis coordinate values of the impact point. Moreover, if the user is playing a shooting game, the display screen is TFT LCD, PDP projection system display screen or some cannot When the display screen of the impact point signal or the synchronization signal is generated, the light gun 150 cannot be used in the display screen of the above type, and the user can only apply to the display screen which can generate the impact point signal or the synchronization signal, such as CDT, CRT, etc., not only the whole The applicability is poor and can cause inconvenience to the user.
如申請案號95116011之「指標定位裝置及方法」,係公開於96年11月16日之中華民國發明公開公報,公開編號200742600,其係利用產生一特定光譜之輔助定位點設置該影像顯示裝置周圍,在影像感測器前方並設有濾光器,使影像感測器僅能感測該特定光譜訊號,並將該光訊號轉換為電訊號,再以計算處理單元接收電訊號後,計算並儲存利用該輔助定位點校正該影像感測器之指向指標所得之初始設定,利用該輔助定位點做為校正初始設定及指標定位之基準點,並執行指標定位之計算,以於該影像顯示裝置顯示影像之特定範圍內進行指標定位。For example, the "index positioning device and method" of the application number 95116011 is disclosed in the Republic of China Invention Publication No. 200742600 on November 16, 1996, which uses the auxiliary positioning point for generating a specific spectrum to set the image display device. Surrounding, a filter is arranged in front of the image sensor, so that the image sensor can only sense the specific spectral signal, convert the optical signal into an electrical signal, and then calculate the electrical signal by the computing processing unit, and then calculate And storing an initial setting obtained by correcting the pointing indicator of the image sensor by using the auxiliary positioning point, using the auxiliary positioning point as a reference point for correcting initial setting and index positioning, and performing calculation of index positioning for displaying the image The device displays the indicator within a specific range of the image display.
然而,隨著影像科技與面板產業之進步,影像顯示裝置的尺寸越來越大,但上述之標定位裝置僅能對特定範圍內之影像顯示裝置之顯示影像進行指標定位,且實際實施上,亦不可能在大尺寸顯示裝置的面板上直接裝設輔助定位點,是以,將導致大尺寸影像顯示裝置將無法進行指標定位,而讓其指標定位 裝置在使用上受到限制。However, with the advancement of the image technology and the panel industry, the size of the image display device is becoming larger and larger, but the above-mentioned target positioning device can only perform index positioning on the display image of the image display device within a specific range, and in actual implementation, It is also impossible to directly install the auxiliary positioning point on the panel of the large-sized display device, so that the large-sized image display device will not be able to perform index positioning, and the index positioning thereof The device is limited in its use.
再者,亦有廠商利用G-sensor、Gyroscope作為定位判斷方式,此方式雖可運用於TFT LCD、PDP投射系統顯示幕或一些不能產生彈著點信號或同步信號的顯示幕,但其偵測計算得到的座標是相對座標,便需與顯示幕作一精準對位,若位置設定出現誤差時,便會讓瞄準點與彈著點之位置產生偏移,讓使用者瞄準到目標物時,亦無法作出擊中之判斷,導致使用者無法順暢進行遊戲。In addition, some manufacturers use G-sensor and Gyroscope as the positioning judgment method. Although this method can be applied to TFT LCD, PDP projection system display screen or some display screens that cannot generate bullet point signals or synchronization signals, the detection calculation is obtained. The coordinates of the coordinates are relative coordinates, and it needs to be accurately aligned with the display screen. If there is an error in the position setting, the position of the aiming point and the impact point will be offset, so that the user can not make a hit when aiming at the target. In the judgment, the user is unable to play the game smoothly.
有鑑於此,本發明之主要目的在於提供一種指標定位系統可適用於不同顯示幕上,且同時可達到精準定位之效果。In view of this, the main object of the present invention is to provide an index positioning system that can be applied to different display screens, and at the same time achieve accurate positioning effects.
緣以達成上述目的,本發明所提供之指標定位系統包含有一影像形成裝置、一光點產生裝置、一操控裝置、一運算電路以及一影像電路;其中,該影像形成裝置用以於一顯示區域上形成影像;該光點產生裝置用以於該顯示區域上以不可見光投射形成複數光點,且該等光點包含有複數個定位標識與複數個辨識標識;其中,該等定位標識依其排列方式將該顯示區域區分成複數個區塊,且每一區塊至少涵括了一個辨識標識之一部份,且每一區塊所包含之定位標識及辨識標識之排列方式皆不相同;該操控裝置用以指向該顯示區域,且具有一不可見光攝影機,該不可見光攝影機用以擷取該顯示區域上之部份區域內 的定位標識及辨識標識,並依據該等定位標識和辨識標識之排列方式輸出一對應之標識訊號;該運算電路包含有一記憶體,該記憶體儲存有一資料,且該資料具有各該區塊所包含之定位標識及辨識標識的排列方式;該運算電路與該不可見光攝影機電性連接,用以接收該不可見光攝影機所送出之標識訊號,並運算該標識訊號後與該記憶體內之資料比對,以取得該不可見光攝影機所擷取之該部份區域所包含之區塊的資訊,並據以輸出一位置訊號;該影像電路與該影像形成裝置以及該運算電路電性連接,且接收該運算電路所出之位置訊號;該影像電路接收該位置訊號後,輸出一指標影像訊號至該影像形成裝置,並由該影像形成裝置於該不可見光攝影機所擷之該部份區域所包含之區塊中形成一指標影像。In order to achieve the above objective, the index positioning system provided by the present invention comprises an image forming device, a light spot generating device, a control device, an arithmetic circuit and an image circuit; wherein the image forming device is used in a display area Forming an image on the display area; the light spot generating device is configured to form a plurality of light spots by invisible light projection on the display area, and the light spots comprise a plurality of positioning marks and a plurality of identification marks; wherein the positioning marks are Arranging the display area into a plurality of blocks, and each block includes at least one part of the identification mark, and the positioning marks and the identification marks included in each block are arranged differently; The control device is configured to point to the display area and has a non-visible light camera for capturing a portion of the display area a positioning identifier and an identification identifier, and outputting a corresponding identification signal according to the arrangement manner of the positioning identifier and the identification identifier; the operation circuit includes a memory, the memory stores a data, and the data has each of the blocks The arrangement of the positioning identifier and the identification mark is included; the operation circuit is electrically connected to the invisible light camera for receiving the identification signal sent by the invisible light camera, and calculating the identification signal and comparing with the data in the memory Obtaining information of the block included in the partial area captured by the invisible light camera, and outputting a position signal; the image circuit is electrically connected to the image forming apparatus and the operation circuit, and receives the a position signal outputted by the operation circuit; after receiving the position signal, the image circuit outputs an index image signal to the image forming apparatus, and the image forming apparatus includes the area included in the partial area of the invisible light camera An indicator image is formed in the block.
藉此,透過上述之設計,各該指標定位系統便可適用於不同顯示幕上,且同時可達到精準定位之效果。Therefore, through the above design, each of the indicator positioning systems can be applied to different display screens, and at the same time, the effect of precise positioning can be achieved.
為能更清楚地說明本發明,茲舉較佳實施例並配合圖示詳細說明如後。In order that the present invention may be more clearly described, the preferred embodiments are illustrated in the accompanying drawings.
請參閱圖2及圖3,本發明第一較佳實施例之指標定位系統包含有一影像形成裝置10、一光點產生裝置20、一操控裝置40、一運算電路46以及一主機50。其中:Referring to FIG. 2 and FIG. 3 , the index positioning system of the first preferred embodiment of the present invention includes an image forming apparatus 10 , a light spot generating apparatus 20 , a manipulation apparatus 40 , an operation circuit 46 , and a host 50 . among them:
該影像形成裝置10用以於一顯示區域100上形成影像。 於本實施例中,該影像形成裝置10為一投影機,且該顯示區域100為一1280 X 800之寬型螢幕。The image forming apparatus 10 is configured to form an image on a display area 100. In the embodiment, the image forming apparatus 10 is a projector, and the display area 100 is a 1280×800 wide screen.
請參閱圖4,該光點產生裝置20用以於該顯示區域100上以不可見的中心波長為850nm或940nm之紅外線雷射光投射形成複數個光點,且該等光點包含有複數個定位標識P與辨識標識Q。其中,該等定位標識P依其排列方式將該顯示區域100區分出座標以及複數個區塊I~VIII,且每一區塊I~VII涵括有數個辨識標識之一部份。該等辨識標識Q位於各區域I~VIII之邊緣,且每一區塊I~VII所包含之定位標識P及辨識標識Q之排列方式皆不相同,而使各區塊I~VIII形成與其它區塊I~VIII相異處者。Referring to FIG. 4, the light spot generating device 20 is configured to project a plurality of light spots on the display region 100 by infra-red laser light having an invisible center wavelength of 850 nm or 940 nm, and the light spots include a plurality of positions. The identification P and the identification mark Q. The positioning marks P are divided into coordinates and a plurality of blocks I~VIII according to the arrangement manner, and each of the blocks I~VII includes one of a plurality of identification marks. The identification marks Q are located at the edges of the respective regions I to VIII, and the positioning marks P and the identification marks Q included in each of the blocks I to VII are arranged differently, so that the blocks I~VIII are formed and the other blocks are formed. Blocks I~VIII are different.
該操控裝置40用以供使用者指向該顯示區域100,且具有一不可見光攝影機42以及一控制介面44。該不可見光攝影機42用以擷取該顯示區域100上之部份區域內的定位標識P及辨識標識Q(如圖5),並據以輸出一對應之標識訊號。該控制介面44用以供使用者操控而輸出對應控制指令(如拖拉、點擊等指令)之控制訊號,於本實施例中,該控制介面44為一按鈕。The control device 40 is configured for the user to point to the display area 100 and has an invisible light camera 42 and a control interface 44. The invisible light camera 42 is configured to capture the positioning mark P and the identification mark Q (see FIG. 5) in a part of the display area 100, and output a corresponding identification signal accordingly. The control interface 44 is used by the user to output a control signal corresponding to a control command (such as a drag, click, etc.). In this embodiment, the control interface 44 is a button.
該運算電路46設於該操控裝置40上,且具有一記憶體(圖未示)事先儲存有一資料,而該資料中具有該等定位標識P與辨識標識位置Q之排列方式。另外,該運算電路46與該不可見光攝影機42以及該控制介面44電性連接,用以接收該標識訊號以及該控制訊號。藉此,該運算電路46運算該標識訊號, 取得該不可見光攝影機42所擷取之定位標識P及辨識標識Q之排列後,與該記憶體內之資料比對,以取得該不可見光攝影機所擷取之該部份區域所包含之區塊I、II、III、V、VI、VII(如圖6)的資訊,進而推算出該部份區域之中心點O所指向之該區塊II中的位置(如圖7),並依據該區塊II中之位置運算出該中心點O於整個該顯示區域100中之座標位置,而後,該運算電路46便依據運算所得之座標位置產生一對應之位置訊號。另外,當使用者操控該控制介面44而產生該控制訊號時,該運算電路46則依據運算所得之座標位置與該控制訊號產生含有對應之控制指令的位置訊號。The operation circuit 46 is disposed on the control device 40, and has a memory (not shown) for storing a data in advance, and the data has an arrangement manner of the positioning identifier P and the identification mark position Q. In addition, the operation circuit 46 is electrically connected to the invisible light camera 42 and the control interface 44 for receiving the identification signal and the control signal. Thereby, the arithmetic circuit 46 calculates the identification signal, Obtaining the arrangement of the positioning mark P and the identification mark Q captured by the invisible light camera 42 and comparing with the data in the memory to obtain the block I included in the partial area captured by the invisible light camera , II, III, V, VI, VII (Fig. 6), and then calculate the position in the block II pointed to by the center point O of the partial region (Fig. 7), and according to the block The position in II calculates the coordinate position of the center point O in the entire display area 100, and then the operation circuit 46 generates a corresponding position signal according to the coordinate position obtained by the operation. In addition, when the user controls the control interface 44 to generate the control signal, the operation circuit 46 generates a position signal containing the corresponding control command according to the coordinate position obtained by the operation and the control signal.
該主機50具有一影像電路52,用以與該影像形成裝置10以及該運算電路46電性連接,且當該影像電路52接收該運算電路46產生之該位置訊號後,便輸出一對應該位置訊號之指標影像訊號予該影像形成裝置10,以使該影像形成裝置10於該顯示區域100上對應該不可見光攝影機42擷取之畫面之中心點O位置處,形成如圖7所示對應之指標影像M(除箭頭外、亦可為掌型、準星等)、以及對應該指標影像移動之畫面動作(如位移、縮放等)。The host computer 50 has an image circuit 52 for electrically connecting to the image forming apparatus 10 and the arithmetic circuit 46. When the image circuit 52 receives the position signal generated by the arithmetic circuit 46, it outputs a pair of corresponding positions. The indicator image signal of the signal is applied to the image forming apparatus 10 such that the image forming apparatus 10 corresponds to the center point O of the screen captured by the invisible light camera 42 on the display area 100, and is formed as shown in FIG. The indicator image M (in addition to the arrow, it can also be a palm shape, a crosshair, etc.), and the screen motion (such as displacement, zoom, etc.) corresponding to the movement of the indicator image.
藉此,透過上述之設計,該指標定位系統便可適用於一般的CDT、CRT螢幕、TFT LCD、PDP投射系統顯示幕、或一些不能產生彈著點信號或同步信號的顯示幕上。另外,除上述區域均等之分佈方式外,更可修改該光點產生裝置20於該顯 示區域100上之定位標識與辨識標識形成如圖8所示區域不均等之分佈,使得在一些需要定位辨識較為精準之區域(如該顯示區域100之中間區塊)能得到較佳之定位效果。Therefore, through the above design, the index positioning system can be applied to a general CDT, CRT screen, TFT LCD, PDP projection system display screen, or some display screens that cannot generate a bullet point signal or a synchronization signal. In addition, in addition to the distribution pattern of the above regions, the spot generating device 20 can be modified in the display. The positioning identifier and the identification mark on the display area 100 form an uneven distribution of the area as shown in FIG. 8, so that a better positioning effect can be obtained in some areas where the positioning and identification is more accurate, such as the middle block of the display area 100.
另外,請參閱圖9,在圖3之架構下,更可增設一光點控制裝置30與該光點產生裝置20以及該運算電路46電性連接,用以控制該光點產生裝置20所產生之定位標識P與辨識標識Q於該顯示區域100上之位置,並可輸出一調整訊號予該運算電路46來修改該記憶體所儲存之資料中定位標識P與辨識標識Q的排列方式。如此一來,便可直接透過該光點控制裝置30直接修改定位標識P與辨識標識Q之位置,而可隨時依據不同顯示區域之大小進行調整。In addition, referring to FIG. 9, in the architecture of FIG. 3, a spot control device 30 is further connected to the spot generating device 20 and the computing circuit 46 for controlling the light spot generating device 20 to generate The positioning mark P and the position of the identification mark Q on the display area 100, and outputting an adjustment signal to the operation circuit 46 to modify the arrangement manner of the positioning mark P and the identification mark Q in the data stored in the memory. In this way, the position of the positioning mark P and the identification mark Q can be directly modified directly through the spot control device 30, and can be adjusted according to the size of different display areas at any time.
另外,請參閱圖10,本發明第二較佳實施例之指標定位系統同樣包含有一影像形成裝置60、一光點產生裝置62、一光點控制裝置64、一操控裝置70、一主機80、以及一運算電路82。而與上述實施例不同之處在於該運算電路82改設置於該主機80上,藉此便可大幅降低該操控裝置70之體積與重量,進而使得使用者拿取該操控裝置70時能更加順手,同時亦可降低使用者拿取該操控裝置70進行操作時之負擔。In addition, referring to FIG. 10, the index positioning system of the second preferred embodiment of the present invention also includes an image forming device 60, a light spot generating device 62, a light spot controlling device 64, a steering device 70, and a host 80. And an arithmetic circuit 82. The difference from the above embodiment is that the arithmetic circuit 82 is disposed on the host 80, thereby greatly reducing the volume and weight of the operating device 70, thereby enabling the user to take the control device 70 more smoothly. At the same time, the burden on the user to take the manipulation device 70 for operation can be reduced.
再者,在上述圖9及圖10之設計架構下,請參閱圖11與圖12,該影像形成裝置10、60、該光點產生裝置20、62、該光點控制裝置30、64、該操控裝置40、70以及該主機50、80上更可分別增加設置有一無線傳輸介面90,藉以透過無線傳 輸之方式進行操控或是傳輸該調整訊號、該控制訊號、該標識訊號、該位置訊號以及該指標影像訊號,進而使得使用者可免去被傳輸線材纏繞或是干擾之情形。Furthermore, referring to FIG. 11 and FIG. 12, the image forming apparatus 10, 60, the light spot generating apparatus 20, 62, the light spot controlling apparatus 30, 64, A wireless transmission interface 90 can be separately added to the control devices 40, 70 and the host 50, 80, so as to transmit wirelessly. The method of controlling the transmission or transmitting the adjustment signal, the control signal, the identification signal, the position signal and the image signal of the indicator, thereby enabling the user to avoid the situation in which the transmission wire is entangled or interfered.
值得一提的是,在上述圖4與圖8中,於該顯示區域100周圍之定位標識P除使用該光點產生裝置20投射形成外,亦可使用可產生不可見光之標記元件(infrared marker)代替。意即,只要使該記憶體所儲存之資料中包含有該等標記元件之位置,該顯示區域100周圍之光點亦可用實體之標記元件代替來達到同樣之效果。It should be noted that, in FIG. 4 and FIG. 8 above, the positioning mark P around the display area 100 can be formed by using the spot generating device 20, and an infrared marker capable of generating invisible light can also be used. )instead. That is, as long as the information stored in the memory includes the position of the marking elements, the light spot around the display area 100 can be replaced by a physical marking element to achieve the same effect.
以上所述僅為本發明較佳可行實施例而已,舉凡應用本發明說明書及申請專利範圍所為之等效結構變化,理應包含在本發明之專利範圍內。The above is only a preferred embodiment of the present invention, and equivalent structural changes to the scope of the present invention and the scope of the claims are intended to be included in the scope of the present invention.
10‧‧‧影像形成裝置10‧‧‧Image forming device
20‧‧‧光點產生裝置20‧‧‧Light point generating device
30‧‧‧光點控制裝置30‧‧‧ spot control unit
40‧‧‧操控裝置40‧‧‧Control device
42‧‧‧不可見光攝影機42‧‧‧Invisible light camera
44‧‧‧控制介面44‧‧‧Control interface
46‧‧‧運算電路46‧‧‧Operating circuit
50‧‧‧主機50‧‧‧Host
52‧‧‧影像電路52‧‧‧Image Circuit
60‧‧‧影像形成裝置60‧‧‧Image forming device
62‧‧‧光點產生裝置62‧‧‧Light point generating device
64‧‧‧光點控制裝置64‧‧‧Light point control device
70‧‧‧操控裝置70‧‧‧Control device
80‧‧‧主機80‧‧‧Host
82‧‧‧運算電路82‧‧‧Operating circuit
90‧‧‧無線傳輸介面90‧‧‧Wireless transmission interface
100‧‧‧顯示區域100‧‧‧Display area
P‧‧‧定位標識P‧‧‧ Positioning Mark
Q‧‧‧辨識標識Q‧‧‧ID identification
O‧‧‧中心點O‧‧‧ Center Point
M‧‧‧指標影像M‧‧‧ indicator image
I~VIII‧‧‧區塊Block I~VIII‧‧‧
150‧‧‧光槍150‧‧‧ light gun
151‧‧‧光接收器151‧‧‧Optical Receiver
160‧‧‧遊戲主機160‧‧‧ game console
200‧‧‧顯示幕200‧‧‧ display screen
圖1為習用指標定位系統之結構圖;圖2為本發明較佳實施之指標定位系統結構圖;圖3為本發明較佳實施之指標定位系統方塊圖;圖4為顯示區域上之光點分佈圖;圖5為不可見光攝影機所擷取之影像;圖6揭示圖5指向圖3上的哪些區塊;圖7揭示圖5的中心點位於圖6的區塊II;圖8為可提升中間區塊定位辨識度之光點分佈圖;圖9揭示可於圖3之架構下,增設光點控制裝置;圖10為本發明另一較佳實施之指標定位系統方塊圖;圖11揭示圖9可增加無線傳輸介面來傳輸訊號;圖12揭示圖10可增加無線傳輸介面來傳輸訊號。1 is a structural diagram of a conventional index positioning system; FIG. 2 is a structural diagram of an index positioning system according to a preferred embodiment of the present invention; FIG. 3 is a block diagram of an index positioning system according to a preferred embodiment of the present invention; Figure 5 is an image taken by a non-visible camera; Figure 6 shows which blocks in Figure 5 are pointing to Figure 3; Figure 7 shows that the center point of Figure 5 is located in block II of Figure 6; The light spot distribution map of the middle block positioning identification; FIG. 9 discloses that the light spot control device can be added under the structure of FIG. 3; FIG. 10 is a block diagram of the index positioning system according to another preferred embodiment of the present invention; 9 can increase the wireless transmission interface to transmit signals; Figure 12 reveals that Figure 10 can increase the wireless transmission interface to transmit signals.
10‧‧‧影像形成裝置10‧‧‧Image forming device
20‧‧‧光點產生裝置20‧‧‧Light point generating device
40‧‧‧操控裝置40‧‧‧Control device
42‧‧‧不可見光攝影機42‧‧‧Invisible light camera
44‧‧‧控制介面44‧‧‧Control interface
46‧‧‧運算電路46‧‧‧Operating circuit
50‧‧‧主機50‧‧‧Host
52‧‧‧影像電路52‧‧‧Image Circuit
Claims (11)
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TW101138403A TWI468214B (en) | 2012-10-18 | 2012-10-18 | Index positioning system |
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TW101138403A TWI468214B (en) | 2012-10-18 | 2012-10-18 | Index positioning system |
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TW201416119A TW201416119A (en) | 2014-05-01 |
TWI468214B true TWI468214B (en) | 2015-01-11 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003233460A (en) * | 2002-02-06 | 2003-08-22 | Ricoh Co Ltd | Digitizer |
US6852032B2 (en) * | 2000-12-06 | 2005-02-08 | Nikon Corporation | Game machine, method of performing game and computer-readable medium |
TW201038312A (en) * | 2009-04-30 | 2010-11-01 | Zeroplus Technology Co Ltd | A positioning method of pointing device applied in large-screen display and its device |
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2012
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6852032B2 (en) * | 2000-12-06 | 2005-02-08 | Nikon Corporation | Game machine, method of performing game and computer-readable medium |
JP2003233460A (en) * | 2002-02-06 | 2003-08-22 | Ricoh Co Ltd | Digitizer |
TW201038312A (en) * | 2009-04-30 | 2010-11-01 | Zeroplus Technology Co Ltd | A positioning method of pointing device applied in large-screen display and its device |
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