I3L0097 九、發明說明： 【發明所屬之技術領域】 ' 、本發明係關於-種塑膠光纖與透鏡之結合方法及其 ，特別疋關於利用熱壓方式於-塑膠光纖形成-結合 卩再乂田射溶接方式結合該塑膠光纖與一塑膠透鏡之方 法及其構造。 【先前技術】 $用塑膠光纖與透鏡之結合構造，如美國專利第 6,826,329號「具有透鏡之塑膠光纖〔Plastic Optical Fiber with a Lens〕」發明專利，其包含_塑膠光纖、一透光鏡 片及-基板。該塑膠光纖具有—中空心部及一外周部，該 …1一J7二心卩係供光線於該塑膠光纖内傳輸通過；該透光鏡片 係可折射控制光線之行進方向；該基板設有一凹槽及數個 • 雜塊’該凹槽係伽定該透光鏡片之位置，該定位塊係 可抵壓該塑膠光纖，進而固定該基板、塑膠光纖及透光鏡 修狀相對位置。此外，可選擇轉拥時黏隱該透光鏡 片及塑膠光纖，或黏附於該基板及塑膠光纖，以增加該習 甩結合構造之結構強度。 一般而言，上述習用塑膠光纖與透鏡之結合構造具 有下列缺點，例如··由於該透光鏡片係直接填入該塑膠光 ，纖之中空心部的-開口’再利用黏勝固定該透光鏡片，故 該透光鏡片必需選擇為一正圓球體，以避免其在填入該開 — 4，因施力不均勻而造成其外露於該塑膠域的圓弧表 面呈現歪斜。因此，該習用球型透光鏡片之表面曲率變化 C:Mimid\Pi Pal\Pil〇t<5.doc —6 —I3L0097 IX. Description of the invention: [Technical field to which the invention pertains] ' The invention relates to a method for combining a plastic optical fiber and a lens, and particularly relates to the use of a hot pressing method for forming a plastic optical fiber. The method of bonding and combining the plastic optical fiber and a plastic lens and the structure thereof. [Prior Art] $A combination of a plastic optical fiber and a lens, such as the invention patent of "Plastic Optical Fiber with a Lens", which comprises a plastic optical fiber, a light-transmitting lens, and Substrate. The plastic optical fiber has a middle hollow portion and an outer peripheral portion, wherein the 1 - J7 two-cardioid system transmits light through the plastic optical fiber; the transparent lens is refracting to control the traveling direction of the light; the substrate is provided with a concave surface The groove and the plurality of blocks are arranged to fix the position of the transparent lens, and the positioning block can press the plastic optical fiber to fix the relative position of the substrate, the plastic optical fiber and the transparent mirror. In addition, the light-transmitting lens and the plastic optical fiber may be adhered to or adhered to the substrate and the plastic optical fiber to increase the structural strength of the conventional bonded structure. In general, the combination of the conventional plastic optical fiber and the lens has the following disadvantages, for example, since the transparent lens is directly filled with the plastic light, the hollow-portion opening of the fiber is used to fix the light. The lens, so the light-transmitting lens must be selected as a perfect sphere to avoid it being filled with the opening 4, and the surface of the circular arc exposed to the plastic domain is skewed due to uneven application of force. Therefore, the curvature of the surface of the conventional spherical lens is changed C:Mimid\Pi Pal\Pil〇t<5.doc —6 —
〇6/ltS/23/]|：U 131,0097 裕度極小，進而造成其光線行進路線的規劃大為受限。 另-制塑膠域與透叙結合構造，〇6/ltS/23/]|: U 131,0097 The margin is extremely small, which in turn makes the planning of the light travel route very limited. Another-made plastic domain and transparent combination structure,
Fiber with a Lens Portion〕」發明專利 2、-弧形凹槽及一填充材料。該塑膠光纖係呈實二= 練於其㈣傳輸通過；贿形凹槽設置於該塑膠 先纖之H職充㈣容置於該 =膠光纖之端面形成-透鏡部位。其中位“= :面=_凹槽’其係利用熱融方式形成;該填充： 枓係經過熱固程序固化結合於該弧形凹槽内。 一般而言’上述習用塑膠光纖與透 9鏡之結合構造且 壅勝^點’例如：該弧形凹槽係利用熱融方式成型於該 =之:面。然而，採用熱融方式所形成之弧形表面 於造朗透鏡部位_塑膠光纖之接觸面過 ㈣t其影響光線折射路徑簡之精確度。此外，由於 =料㈣纖必須經過熱融及熱固等加工程序反覆加熱，其 必要ί容易受到高溫影響。因此，基於上述原因，有 -步改良上述習用塑膠光纖與透鏡之結合構造。 塑膠光本發㈣良上述之缺點，其係藉由在一 &、自告、端形成一結合部，並在一塑膠鏡片之結合面 談置塗佈深色塑膠塗料，將該塑膠光纖之結合面與 ^至鏡之結合面互相貼接後，再利用雷祕接方式形 其癌L接ί部’以便固^結合該塑膠光纖及塑膠透鏡， 可'該塑膠透鏡提供各種曲率變化，並提高該塑Fiber with a Lens Portion]" invention patent 2 - curved groove and a filling material. The plastic optical fiber is in the real two = practiced in (4) transmission; the brim-shaped groove is disposed in the plastic fiber, and the H-filler (four) is placed on the end face of the rubber fiber to form a lens portion. Wherein the position "=:face=_groove" is formed by hot melt; the filling: the tantalum is cured by a thermosetting process in the arcuate groove. Generally speaking, the above-mentioned conventional plastic optical fiber and transparent mirror 9 The combination of the structure and the 壅 ^ 点 ' 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 例如 。 。 。 。 。 。 。 。 The contact surface is over (4) t, which affects the accuracy of the light refraction path. In addition, since the material (four) fiber must be heated repeatedly by thermal fusion and thermosetting, it is necessary to be affected by high temperature. Therefore, for the above reasons, there are - Step by step to improve the combination of the conventional plastic optical fiber and the lens. The plastic light hair (4) is good in the above disadvantages, which is formed by forming a joint portion at a & self-reporting and end, and coating the surface of a plastic lens. The dark plastic coating of the cloth, the bonding surface of the plastic optical fiber and the bonding surface of the mirror to the mirror are attached to each other, and then the splicing method is used to form the cancer L-contact portion to solidly combine the plastic optical fiber and the plastic lens. 'The plastic The lens provides a variety of curvature changes and enhances the plastic
c:\Uftta\n <*iit\ni〇u& «X ηβ/οβ/23/ιι：η8 ΛΗ —7 ~ 1310097 料鏡之表面精度’且有效避免該塑膠光纖或透鏡因多次 受熱而改變其材料特性。 【發明内容】 本發明主要目的係提供一種塑膠光纖與透鏡之結合 : 錄，其係在—轉域之-端形成-結合面，以供-塑 料賴定結合’使得本發明具有增加該塑料鏡之選擇 配置裕度及提高表面精度之功效。 本發明次要目的係提供一種塑膠光纖與透鏡之結合 _ 減，其係_雷祕接域麟歸紐及塑膠透鏡之 間形成至少一接合部，如此該接合部結合該塑膠光纖及塑 膠透鏡’使得本發明具有避免該讎域或透鏡不當受熱 之功效。 ' Ί ，根據本發明之塑膠光纖與透鏡之結合方法，其包含 步驟：將一塑膠光纖之一端利用熱壓方式形成一結合面； 將一深色塑膠塗料塗佈於一塑膠透鏡之一結合面；將該塑 膠光纖之結合面及該塑膠透鏡之結合面互相貼接；利用一 • 雷射光裝置聚焦加熱該塑膠塗料，以形成至少一接合部， 進而連接固定該塑膠光纖及塑膠透鏡。 本發明之塑膠光纖與透鏡之結合構造包含一塑膠光 纖、一塑膠透鏡及至少一接合部。該塑膠光纖係供至少一 光線於其内部傳輸，且該塑膠光纖設有一結合面；該塑膠 . 透鏡具有一透射部及一結合面，該透射部供該光線穿透， 而該結合面對應於該塑膠光纖之結合面；該接合部配置於 該塑膠光纖之結合面及該塑膠透鏡之結合面之間，並加熱c:\Uftta\n <*iit\ni〇u& «X ηβ/οβ/23/ιι:η8 ΛΗ—7 ~ 1310097 The surface accuracy of the material mirror' is effective to avoid the plastic fiber or lens being heated multiple times Change the material properties. SUMMARY OF THE INVENTION The main object of the present invention is to provide a combination of a plastic optical fiber and a lens: recording, which is formed at the end of the trans-domain, to form a bonding surface, so that the present invention has the addition of the plastic mirror. Choose the configuration margin and improve the surface accuracy. A secondary object of the present invention is to provide a combination of a plastic optical fiber and a lens, which is formed by forming at least one joint between the plastic lens and the plastic lens, such that the joint portion is combined with the plastic optical fiber and the plastic lens. The invention has the effect of avoiding improper heating of the field or lens. Ί The method for bonding a plastic optical fiber and a lens according to the present invention comprises the steps of: forming a bonding surface by heat pressing one end of a plastic optical fiber; and coating a dark plastic coating on a bonding surface of a plastic lens The bonding surface of the plastic optical fiber and the bonding surface of the plastic lens are attached to each other; and the plastic coating is focused and heated by a laser light device to form at least one joint portion, thereby connecting and fixing the plastic optical fiber and the plastic lens. The combined structure of the plastic optical fiber and the lens of the present invention comprises a plastic optical fiber, a plastic lens and at least one joint. The plastic optical fiber is configured to transmit at least one light therein, and the plastic optical fiber is provided with a bonding surface; the plastic lens has a transmitting portion and a bonding surface, the transmitting portion is for the light to penetrate, and the bonding surface corresponds to a bonding surface of the plastic optical fiber; the bonding portion is disposed between the bonding surface of the plastic optical fiber and the bonding surface of the plastic lens, and is heated
PatNPKIB 丨 4S· doc —8 — mwww-M ui 1310097 熔融該接合部，以便結合該塑膠光纖及塑膠透鏡。 【實施方式】 為讓本發明之上述及其他目的、特徵、優點能更明 顯易懂，下文特舉本發明之較佳實施例，並配合所附圖式 ，作詳細說明如下： 凊參照第1A至1D圖所示，其揭示本發明較佳實施 例之塑膠光纖與透鏡之結合方法，其依序包含四個步驟， 該四個步驟係熱壓步驟、塗佈步驟、貼接步驟及雷射熔接 ，步驟。 睛參照第2圖所示，本發明較佳實施例之塑膠光纖 與透鏡之結合構造係包含一塑膠光纖丨、一塑膠透鏡2及 τ 一接合部3，其用以執行本發明之塑膠光纖與透鏡之 ' 結合方法。該塑膠光纖1具有一光纖桿11及一結合部12 。該光纖桿11係供至少一光線進行傳遞；該結合部12位 於該光纖桿11之末端’且該結合部12設有—環凸緣121 及-結合面m。該環凸、缘U1係徑向環設於該塑膠光纖 > 1之外周面，該結合面122為該結合部12之―端面复 係可^該塑膠光纖1與該塑膠透鏡2緊密貼接。 八 凊再參照第2圖所示，本發明較佳實施例之塑膠透 鏡2係利用射出成型方式製造，以便該塑膠透鏡 2可依其 成型权具規格選擇其表面精度及形狀。該塑膠透鏡2設有 一第一表面2卜-第二表面22、-透射部23、-結合凸 緣24及一結合面25。該第—表面21係相對該結合部12 之、&面122之位置設於該塑膠透鏡2之一側；該第二表 C:\Linda\K pRt\K»l4& <|〇c 1310097 面22對應該第一表面21位於該塑膠透鏡2之另一側；該 透射部23位於該塑膠透鏡2之徑向中心位置，其係凹設 在該第一表面21並突出於該第二表面22，且該透射部23 可供光線穿透及產生折射；該結合凸緣24環設於該塑膠 透鏡2之周緣；該結合面25位於該結合凸緣24之第一表 面21侧，其係供該塑膠透鏡2與該結合部12之結合面122 緊密貼接。 請再參照第2圖所示，本發明較佳實施例之接合部3 > 係用以熔接固定該塑膠光纖1及塑膠透鏡2，且該部 3係選自深色的塑膠塗料31，該塑膠塗料31最佳係 相同於該塑膠光纖1材料之塑膠粉末，並經染色處理=式 製成，該深色塗料31亦可選擇其他如膠狀、 ^ -1祕之材質。此外’該接合部3係選擇設置於該 2之結合面25上的適當位置，其較佳係為等間距的環設PatNPKIB 丨 4S· doc — 8 — mwww-M ui 1310097 The joint is melted to bond the plastic optical fiber and the plastic lens. BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; As shown in FIG. 1D, a method for bonding a plastic optical fiber to a lens according to a preferred embodiment of the present invention is disclosed. The method includes four steps, which are a hot pressing step, a coating step, a bonding step, and a laser. Welding, steps. Referring to FIG. 2, the combined structure of the plastic optical fiber and the lens of the preferred embodiment of the present invention comprises a plastic optical fiber raft, a plastic lens 2 and a τ-joint portion 3 for performing the plastic optical fiber of the present invention. The lens' combination method. The plastic optical fiber 1 has a fiber rod 11 and a joint portion 12. The fiber rod 11 is for transmitting at least one light; the joint portion 12 is located at the end of the fiber rod 11 and the joint portion 12 is provided with a ring flange 121 and a joint surface m. The ring-shaped convex edge and the edge U1 are radially disposed on the outer circumferential surface of the plastic optical fiber, and the bonding surface 122 is an end surface of the bonding portion 12, and the plastic optical fiber 1 is closely attached to the plastic lens 2. . Referring again to Fig. 2, the plastic lens 2 of the preferred embodiment of the present invention is manufactured by injection molding so that the plastic lens 2 can select its surface precision and shape according to its molding tool specifications. The plastic lens 2 is provided with a first surface 2 - a second surface 22, a transmissive portion 23, a combined flange 24 and a joint surface 25. The first surface 21 is disposed on one side of the plastic lens 2 with respect to the surface of the joint portion 12; the second table C:\Linda\K pRt\K»l4&<|〇c 1310097 face 22 corresponds to the first surface 21 on the other side of the plastic lens 2; the transmissive portion 23 is located at a radial center position of the plastic lens 2, which is recessed on the first surface 21 and protrudes from the second surface The surface of the plastic lens 2 is disposed on the periphery of the plastic lens 2; the bonding surface 25 is located on the first surface 21 side of the bonding flange 24, and the transmitting portion 23 is provided for the light to penetrate and refract; The plastic lens 2 is closely attached to the bonding surface 122 of the bonding portion 12. Referring to FIG. 2 again, the joint portion 3 of the preferred embodiment of the present invention is used for welding and fixing the plastic optical fiber 1 and the plastic lens 2, and the portion 3 is selected from a dark plastic paint 31. The plastic paint 31 is preferably made of the same plastic powder as the plastic optical fiber 1 material, and is dyed and processed. The dark paint 31 can also be selected from other materials such as gelatinous and ^-1 secret materials. In addition, the joint portion 3 is selected at an appropriate position on the joint surface 25 of the 2, which is preferably an equally spaced ring.
於該結合面25上之二個區域，該接合部3亦可選擇設置 於該塑膠光纖1之結合面122。 〇X > 請再參照第ΙΑ、1B及3圖所示，本發賴佳實施例 之塑膠光纖與透鏡之結合方法之第一步驟：利用一自動熱 壓裝置4之夾具41炎持固定該塑膠光纖i，且該塑膠光 纖1之〆端對應於一熱壓平台43。該自動熱壓裝置Μ 一控制中心42控制該熱壓平台43進行加熱，並利用一運 • 鮮台44帶動該熱壓平台43垂直上升，進而在該塑膠光 - '纖1之一端利用該熱壓平台43熱壓形成該結合部^。 請再參照第1C及4圖所示，本發明較佳實施例之塑 C:\Linda\PI Pat\P(lfl|4S. <Idc —10——The joint portion 3 may also be disposed on the joint surface 122 of the plastic optical fiber 1 in two regions on the joint surface 25. 〇X > Please refer to the first step, 1B and 3, the first step of the method for combining the plastic optical fiber and the lens of the embodiment of the present invention: using a clamp 41 of an automatic hot pressing device 4 to fix the The plastic optical fiber i, and the end of the plastic optical fiber 1 corresponds to a hot pressing platform 43. The automatic hot pressing device 控制 a control center 42 controls the hot pressing platform 43 to perform heating, and the hot pressing platform 43 is vertically raised by using a fresh-keeping table 44, and the heat is utilized at one end of the plastic light-fiber 1 The pressing platform 43 is hot pressed to form the joint portion. Referring to Figures 1C and 4 again, the preferred embodiment of the present invention is C:\Linda\PI Pat\P(lfl|4S. <Idc-10)
nfl/08/23/H：Dg AM 1310097 膠光纖與透鏡之結合方法之第二步驟：將該塑膠透鏡2置 放於田射光裝置5内，並利用_座三軸運動平台51固 定該塑膠透鏡2。接著’將該塑膠塗料Μ塗佈於該結合 面25上此時，該塑膠塗料31之塗佈位置即為該接合部 3之設置位置。 清再參照第1D及4圖所示，本發明較佳實施例之塑 膠光纖與透鏡之結合方法之第三步驟：該雷射光裝置5利 用爽具52夾持該塑膠光纖！，並將該塑膠光纖^之結 合面122對應於該塑膠透鏡2之結合面25。利用一控制 中、55操作该二軸運動平台51，以便該塑膠光纖 1之結 口面=2與該塑膠透鏡2之結合面25緊密貼接。 難偵測第1D及4圖所示’利用-影像感測器53 制該师光纖1之結合部A _透鏡2 膠塗料31 三轴運動平台51調整其位置，以便進 ，將一雷射分光器54之雷射光投設在 二上，進而溶接形成該接合部3。其中該三 、夾具52、影像感測器53及雷射分光器54 動句係利用該控制中心、55進行自動控制作業。 利述，相較於制塑膠光纖與透鏡之結合構造 ，再利Ϊ鏡片直接填人—塑膠光纖之中空心部的一開口 採用正圓:黏勝固定，因而造成該透光鏡片必然僅能選擇 球體，導致該透光鏡片之選擇裕度變小。此外， 面2用弧形凹槽係利用熱融方式成型於一塑膠光纖之端 、而採用熱融方式直接形成之透鏡之弧形表面精度 C:\Li αβ/(Μ/21/ΙΙ：Μ λ —11 — 131.0097 :佳部位與該塑膠光纖之接觸面過於粗 必須經過埶二固等方向之f確度;且由於該塑膠光纖 容易受到高溫:響等固::工= 弁總】第圖之本發明藉由在該塑膠 =之-端形成該結合部12，並在該轉透鏡2之: 當位置塗佈深色塑膠塗料31後，將該塑“ 纖υ 122與該塑膠透鏡2之結合面25互相貼接 ’再利用雷㈣接方式形成至少—接合部3以固^士入該 塑膠光纖1及塑膠透鏡2，其確實可增益該塑膠透鏡2之 選擇裕度，並提高該塑膠透鏡2之表面精度，且有效避免 _ 該塑膠光纖1或塑膠透鏡2因多次受熱而改變其材料特性 〇 ) 雖然本發明已利用上述較佳實施例揭示，然其並非 用以限定本發明，任何熟習此技藝者，在不脫離本發明之 精神和範圍之内，當可作各種更動與修改，因此本發明之 保護範圍當視後附之申請專利範圍所界定者為準。 C:\Linda\n P>t\PKltl4S. doc —12 —Nfl/08/23/H: Dg AM 1310097 The second step of the combination of the glue fiber and the lens: the plastic lens 2 is placed in the field light device 5, and the plastic lens is fixed by the 3-axis motion platform 51. 2. Next, the plastic coating material is applied onto the bonding surface 25, and the coating position of the plastic coating material 31 is the installation position of the bonding portion 3. Referring again to FIGS. 1D and 4, a third step of the method of bonding a plastic optical fiber to a lens according to a preferred embodiment of the present invention is as follows: the laser light device 5 clamps the plastic optical fiber with a cooling device 52! And the bonding surface 122 of the plastic optical fiber corresponds to the bonding surface 25 of the plastic lens 2. The two-axis motion platform 51 is operated by a control center 55 so that the junction surface = 2 of the plastic optical fiber 1 is closely attached to the bonding surface 25 of the plastic lens 2. Difficult to detect the combination of the optical fiber 1 of the 'image-image sensor 53' shown in Figures 1D and 4A_Lens 2 glue coating 31 The three-axis motion platform 51 adjusts its position for the purpose of splitting a laser The laser light of the device 54 is placed on the two, and the joint portion 3 is formed by melting. The third, the fixture 52, the image sensor 53, and the laser beam splitter 54 use the control center and 55 to perform automatic control operations. According to the combination of the plastic optical fiber and the lens, the lens is directly filled in. The opening of the hollow portion of the plastic optical fiber adopts a perfect circle: the adhesive is fixed, so that the transparent lens can only be selected. The sphere causes the selection margin of the light-transmitting lens to become small. In addition, the surface 2 is formed by hot-melting at the end of a plastic optical fiber by an arc-shaped groove, and the curved surface precision of the lens directly formed by hot-melting is C:\Li αβ/(Μ/21/ΙΙ:Μ λ —11 — 131.0097 : The contact surface between the good part and the plastic optical fiber is too thick, and must be confirmed by the direction of the second solid and the like; and since the plastic optical fiber is easily subjected to high temperature: sound is solid:: work = 弁 total] The invention forms the joint portion 12 at the end of the plastic=, and in the rotating lens 2: after the dark plastic paint 31 is applied to the position, the plastic fiber bundle 122 is combined with the plastic lens 2 The faces 25 are attached to each other and the at least the joint portion 3 is formed into the plastic optical fiber 1 and the plastic lens 2, which can surely increase the selection margin of the plastic lens 2 and improve the plastic lens. Surface accuracy of 2, and effectively avoiding _ the plastic optical fiber 1 or the plastic lens 2 changes its material properties due to repeated heat 〇) Although the invention has been disclosed using the above preferred embodiments, it is not intended to limit the invention, any Those skilled in the art, without departing from the essence of the present invention And within range, it may make various alterations and modifications, and therefore the scope of the present invention as defined by the scope of the following claims and their equivalents attachment of C: \ Linda \ n P > t \ PKltl4S doc -12 -..
Οβ/ΟΙ/23/Μ：Μ AM X310097 【圈式簡單說明】 第1A至1D圖：本發明較佳實施例之塑膠光纖與透鏡 進行結合程序之示意圖。 第2圖：本發明較佳實施例之塑膠光纖與透鏡之結合 構造之分解立體圖。 第3圖：本發明較佳實施例之塑膠光纖之一端在自動 熱壓裝置上成形結合部之立體圖。 第4圖：本發明較佳實施例之塑膠光纖與透鏡之間在 雷射光裝置上成形接合部之示意圖。 【主要元件符號說明】 1 塑膠光纖 12 結合部 122 結合面 21 第一表面 23 透射部 25 結合面 31 塑膠塗料 41 夾具 43 熱壓平台 5 雷射光裝置 52 夹具 54 雷射分光器Οβ/ΟΙ/23/Μ: Μ AM X310097 [Circle Brief Description] Figs. 1A to 1D are schematic views showing a bonding procedure of a plastic optical fiber and a lens according to a preferred embodiment of the present invention. Fig. 2 is an exploded perspective view showing the combination of a plastic optical fiber and a lens according to a preferred embodiment of the present invention. Fig. 3 is a perspective view showing the joint of one end of a plastic optical fiber according to a preferred embodiment of the present invention on an automatic heat pressing device. Figure 4 is a schematic illustration of the formation of a joint between a plastic optical fiber and a lens in accordance with a preferred embodiment of the present invention on a laser light device. [Main component symbol description] 1 Plastic optical fiber 12 Joint part 122 Bonding surface 21 First surface 23 Transmissive part 25 Bonding surface 31 Plastic coating 41 Fixture 43 Hot pressing platform 5 Laser light device 52 Fixture 54 Laser beam splitter
11 光纖桿 121環凸緣 2 塑膠透鏡 22 第二表面 24結合凸緣 3 接合部 4 自動熱壓裝置 42 控制中心 44 運動彳台 51三車由運動平台 53影像感測器 55控制中心 tat\PK10l4&.doc —13 —11 fiber rod 121 ring flange 2 plastic lens 22 second surface 24 combined with flange 3 joint 4 automatic hot pressing device 42 control center 44 motion platform 51 three cars controlled by motion platform 53 image sensor 55 center tat\PK10l4& ;.doc —13 —