201040797 六、發明說明： 【發明所屬之技術領域】 本發明關於一種手寫輸入裝置，特別是關於手寫輸入裝 置所使用的一種輸入筆。 、 1 【先前技術】 手寫輸入裝置例如數位板（Tablet)、數位化器 (Digitizer)、電子白板(White board)等的輸入方式包含有電 〇磁感應式或薄膜電阻等，而電磁感應式在使用上主要是搭 配一支專用的輸入筆。 美國專利公告號 US5,565,632，題為’’Pressure sensitive stylus pen”，發明人Ogawa揭露了一些習知技術的輸入筆 結構，第一圖例示其中的一種。輸入筆1〇包含一外殼12， 一鐵磁材料16(ferrite core)、〆筆心14、一彈簧22、一磁 ❹性體18固定在筆心14的一端。鐵磁材料丨6表面繞有線圈 20且中間部份具有穿孔供筆心14穿過。鐵磁材料16與外 殼12固定，當筆心14接觸座楳偵測表面’筆心14的筆尖 壓迫座標偵測表面，筆心14沿者軸向内退縮，使得磁性體 18與鐵磁材料16的距離di康生變化。線圈20與電容24 構成一震盪電路，決定輸入筆所發射電磁波的頻率。磁性 體18與鐵磁材料16的距離彥生變化使得線圈20感應的電 感量改變，電磁波的發射頻率跟著改變’藉由發射頻率可 201040797 得知筆尖所受的壓力為何。201040797 VI. Description of the Invention: [Technical Field] The present invention relates to a handwriting input device, and more particularly to an input pen used in a handwriting input device. 1 [Prior Art] Input methods such as a tablet, a digitizer, and a white board include an electromagnetism type or a thin film resistor, and the electromagnetic induction type is used. Mainly with a dedicated stylus. US Patent Publication No. 5,565,632 entitled "Pressure sensitive stylus pen", inventor Ogawa discloses a prior art stylus structure, the first of which illustrates one of them. The stylus 1 〇 includes a housing 12, a A ferrite core 16 , a ferrule core 14 , a spring 22 , and a magnetic body 18 are fixed to one end of the core 14. The surface of the ferromagnetic material 丨 6 is wound around the coil 20 and the middle portion has a perforation for the pen. The core 14 passes through. The ferromagnetic material 16 is fixed to the outer casing 12, and when the pen core 14 contacts the nib of the seat detecting surface 'the pen tip 14 to press the coordinate detecting surface, the pen core 14 is retracted in the axial direction, so that the magnetic body 18 The distance from the ferromagnetic material 16 varies. The coil 20 and the capacitor 24 form an oscillating circuit that determines the frequency of the electromagnetic wave emitted by the input pen. The distance between the magnetic body 18 and the ferromagnetic material 16 is such that the inductance of the coil 20 is induced. Change, the frequency of the electromagnetic wave is changed. 'With the transmission frequency, 201040797, the pressure on the nib is known.
Ogawa認為習知技術的輸入筆在傾斜一角度使用時， 壓力感測的準確度與靈敏度不佳，因此提出一種改善的輸 入筆結構，如第二圖所示。〇gawa揭露的輸入筆1〇包含一 外殼12、一鐵磁材料16、一彈性材料3〇、一磁性體18、 一筆頭32。鐵磁材料16與外殼12固定於一固定架且 鐵磁材料16的表面繞有線圈2〇，透過導線26將線圈扣 感應的電感量儲存至電容24。當使用輸入筆1〇時，筆頭 32壓迫座標偵測表面，使得鐵磁材料16與磁性體之間 的距離改變，使得線圈2〇感應的電感量改變，輪入筆所發 射電磁波的頻率也跟著改變，藉由發射頻率可得知筆尖所 受的壓力為何。 上述習知技術均具有缺點。關於第一圖的輪入筆 ==具:穿孔以供筆心14轴向移動’這使得_ 料的直徑較大，因此輸人筆的直徑也大，無法達到 移Γ第二圖的_，導線26在使用輸人* 也會跟者移動，使得可靠度；此外 定位缺乏依據’可能影響感刺準確度；再、起末點 彈性材料30、鐵磁材料16 > ，磁性體1 鐵磁材科16之間依靠黏著村 使用的可靠度不佳。 疋’ 以克服上述缺 因此，亟需提供一種新的輸入筆結構， 201040797 失。 f發明内容】 本發明的目的在於提供 筆的缺失。 種輸入筆，以 克服習知 輸入 Ο 〇 :據上述目的，本發明 7寫輪入裝置的輸入裝置，輸入筆包含：八筆，作為 貞娜表面，-可移_磁材料，其一端相鄰筆頭用於接觸 材科層-彈_設置於可移動鐵磁材：= ^部的固定鐵磁材料，且殼層物被_線圈包覆鐵3料、部分 3接—震盡電路，以及-外殼，包復毅層物、震盡=由;導 筆碩’外殼與殼層物固定。 展遺電路、部分 【實施方式】 其各m述的本發明之較佳實施例以及其原理或特徵， 知悉。=、變化、置換均為熟悉本領域技術人士所輕易 攄太路發明的範圍不限於實施例所述者，而是根 圍。發明說明書所揭露之概念與特徵，所相容的最寬廣範 下將詳述本案的各實施例，並配合圖式作為例示 5 201040797 除了這些詳細描述之外，本發明還可以廣泛地實施在其他 的實施例中M壬何所述實施例的輕易替代、修改、等效變 化都包含在本案的範圍内，並以之後的專利範圍為準。在 #明書的描述中’為了使讀者對本發明有較完整的了解， 提供了許多特定細節；然而，本發明可能在省略部分或全 部這些特定細節的前提下，仍可實施。此外，眾所周知的 步驟或元件並未描述於細節中，以避免造成本發明不必要 之限制。 第二圖顯不根據本發明第一實施例的輸入筆。輸入筆 4〇主要包含-外殼42、一殼層物(ciadding)44、一筆頭46、一可 移動鐵磁材料48、—彈性材料50、-固定鐵磁材料52。外殼42 包紐層物44 ’並與殼層物44固定，固定鐵磁材料&再與殼層 物44固定。殼層物44的形狀較佳為一中空圓柱，但不限定於此。 设層物44包覆彈性材料％、部分或全部的可移動鐵磁材料、 部分或全部的固定鐵磁材料52，在另一實施例中，殼層物44可包 覆4刀的筆頭46。彈性材料5〇設置於可移動鐵磁材料你與固定 _材料52之間’且彈性材料％與固定鐵磁材料52以殼層物料 的一間隔件64隔開，間隔件64介於殼層物的一突出件a端60 與-突出件B端62之間。殼層物44的外圍包覆一線圈％，立包 覆範圍由殼層物44上的突出件A端6〇與突出件B端62所界定， 線圈54的包覆範圍包含彈性材料5〇、部分的可移動鐵磁材料48、 201040797 部分的固定鐵磁材料52，彈性材料不可超出突 一實施例中，突出似端6〇與突出件Β_2也在另 端與-溝槽Β端，其功能與突出件八端卻與突出件总疋1槽八 是作為線圈54的起使點與終點的定位協助；在另端62相同’ 層物44的-端具有突出件(Α或Β端），另一端具有溝^例中，起 與可移動鐵磁材料耶固定，例如以轉固定。 筆頌％ Ο 另外’線圈54透過導線％連接至一電路板的 圖示）’其雜與習知技術烟，不再姐。當使肖輪入路(未 時’筆頭4㈣迫座標侧表面，使得固定触材 可移動鐵磁材料52之間的距離因為彈性材料％被壓縮而、 改變’線圈54感應的電感量改變，輸人筆所發射#振= 磁波的頻率也跟著改變，藉由發射或共振頻率可得知 所受的壓力為何。 μ 〇 第四圖顯示根據本發明第二實施例的輸入鲞。兔 ;^馬求簡 潔，與第三圖實施例相同的元件以相同符號表示，並僅說 明與第三圖實施例的不同處，相同處不再贅述。本實施Η 於第二圖實施例的不同處在於，殼層物44的間隔件、皮 省略，且殼層物44具有一封閉端66,固定鐵磁材料52的 一端緊鄰封閉端66。 第五圖顯示根據本發明第三實施例的輸入筆。本實施 例於第四圖實施例的相同處在於，殼層物44的間隔件 201040797 被省略，且殼層物44具有一封閉端66，固定鐵磁材料52 的一端緊鄰封閉端66 ;本實施例於第四圖實施例的不同處 在於，封閉端66具有一調整物68，用於調整可移動鐵磁 材料48與固定鐵磁材料52相對於線圈54之距離在容許的 公差(tolerance)範圍内，在一較佳實施例中，該調整物為一 螺絲。值得注意的是，在第四圖與第五圖的實施例中，殼 層物44也可具有如第三圖實施例的間隔件64 ;另外，在 第三圖的實施例中，殼層物44可不具有間隔件64。 在本發明的各實施例中，殼層物44的材質可為塑膠或 金屬，材質考量的因素是厚度很薄且強度佳，在一實施例 中，殼層物44的厚度較佳為0.1〜1.0mm。金屬可包含良導 體如金、銀、銅、鐵等或其合金，金屬也可以包含鐵磁材 料，例如氧化磁鐵(ferrite)。良導體具有隔絕磁場的作用， 鐵磁材料則可增強磁場，不同材料的殼層物可透過不同的 震盪電路設計使得線圈的電感量維持在可接受範圍。另 外，彈性材料50可為一般彈簧，如第六圖所示，或錐形彈 簧，如第七圖所示，或盤形彈簧(Disc Spring)，盤形彈簧未 施壓前如錐形彈簧，但可施壓成一平面；彈性材料50亦可 為具彈性的高分子材料，例如橡膠。具彈性的高分子材料 可具有不同形狀，如第八圖所示的一圓柱狀，或者，如第 九圖所示的一圓柱狀且具有一突點，具有突點的橡膠可增 201040797 加壓力感測的靈敏度，在—眘尬 敏度可達！公克重。^例輪入筆的_靈 根據本發明實施例的輸入筆， •是固定在固定鐵磁材料52上，^ 非如習知技術 ·.因為殼層物44與外殼42以，所在殼層物抖上。 筆頭32壓迫可移動鐵磁材料48 :入筆40使用時’ 彈性材料50使得可移動鐵磁材料磁材料48壓迫 ❹間的距離改變，但祕56並不會跟者移動，_，長 ❹ 用後導線56的可靠度仍佳。此外，突出件八㈣與突出件 B端62，或者溝槽結構’其功能是作桃圈％的起使點與終點的 定位與固定，同時提高了線圈54環繞的加工便利性、屋力感測準 確性、線圈的穩固性。此外，殼層物44亦可作為可移動鐵磁材料 48、彈性材料30、固定鐵磁材料52、筆頭恥等各元件的固定之 用甚至於’這些疋件之間可不需要以黏膠，而僅依靠殼層物44 固定 以上所述僅為本發明之較佳實施例而已，並非用以限 定本發明之申請專利範圍；凡其他未脫離發明所揭示之精 神下所完成之等效改變或修飾，均應包含在下述之申請專 利範圍内。 【圖式簡單說明】 9 201040797 第一圖顯示一種習知技術的輸入筆； 第二圖顯示另一種習知技術的輸入筆； 第三圖顯示本發明第一實施例的輸入筆； 第四圖顯示本發明第二實施例的輸入筆； 第五圖顯示本發明第三實施例的輸入筆； 第六圖顯示本發明一實施例的彈性材料； 第七圖顯示本發明另一實施例的彈性材料； 第八圖顯示本發明另一實施例的彈性材料；以及 第九圖顯示本發明另一實施例的彈性材料。 【主要元件符號說明】 10 輸入筆 12 外殼 14 筆心 16 鐵磁材料 18 磁性體 20 線圈 22 彈簧 10 201040797 24 電容 26 導線 30 彈性材料 32 筆頭 34 固定架 di 距離 40 輸入筆 〇 42 外殼 44 殼層物 46 筆頭 48 可移動鐵磁材料 50 彈性材料 52 固定鐵磁材料 54 線圈 ^ 56導線 58 電路板 60 突出件A端 62 突出件B端 64 間隔件 66 封閉端 68 調整物Ogawa believes that the accuracy and sensitivity of pressure sensing is poor when the input pen of the prior art is used at an oblique angle, so an improved input pen structure is proposed, as shown in the second figure. The input pen 1A disclosed by 〇gawa includes a casing 12, a ferromagnetic material 16, an elastic material 3, a magnetic body 18, and a head 32. The ferromagnetic material 16 and the outer casing 12 are fixed to a fixing frame and the surface of the ferromagnetic material 16 is wound around the coil 2, and the inductance induced by the coil buckle is stored to the capacitor 24 through the wire 26. When the input pen 1 使用 is used, the pen head 32 presses the coordinate detecting surface, so that the distance between the ferromagnetic material 16 and the magnetic body changes, so that the inductance of the coil 2 〇 is changed, and the frequency of the electromagnetic wave emitted by the wheel pen is also followed. Change, by the transmission frequency, you can know the pressure on the nib. The above conventional techniques all have disadvantages. Regarding the wheel pen of the first figure == with: perforation for the axial movement of the pen core 14 'This makes the diameter of the material larger, so the diameter of the pen is also large, and it is impossible to reach the _ of the second figure. The wire 26 is also moved with the use of the input*, which makes the reliability; in addition, the lack of positioning is based on 'may affect the accuracy of the sensation; again, the starting point elastic material 30, the ferromagnetic material 16 >, the magnetic body 1 ferromagnetic The reliability of relying on the adhesive village between the materials section 16 is not good.疋' To overcome the above-mentioned shortcomings, it is urgent to provide a new stylus structure, 201040797 lost. SUMMARY OF THE INVENTION The object of the present invention is to provide a lack of a pen. An input pen to overcome the conventional input Ο 〇 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据 据The tip is used for the contact material layer-elastic_fixed ferromagnetic material set in the movable ferromagnetic material: = ^, and the shell layer is covered with _ coil iron 3, part 3 is connected - the circuit is broken, and - The outer shell is covered with a layer of material, and the earthquake is destroyed. Exhibit Circuits and Portions [Embodiment] The preferred embodiments of the present invention, as well as the principles and features thereof, are known. =, change, and replacement are all familiar to those skilled in the art. The scope of the invention is not limited to those described in the embodiments, but is based on the scope. The concepts and features disclosed in the present specification will be described in the broadest scope of the invention, and the embodiments of the present invention will be described in the broadest scope of the present invention. FIG. 5 201040797 In addition to the detailed description, the present invention can be widely implemented in other embodiments. The ease of substitution, modification, and equivalent changes of the embodiments of the present invention are included in the scope of the present invention, and the scope of the following patents will prevail. In the course of the description of the present invention, a number of specific details are provided in order to provide the reader with a more complete understanding of the invention. However, the invention may be practiced without departing from the specific details. In addition, well-known steps or elements are not described in detail to avoid unnecessarily limiting the invention. The second figure shows an input pen according to the first embodiment of the present invention. The input pen 4 〇 mainly comprises a casing 42, a ciadding 44, a head 46, a movable ferromagnetic material 48, an elastic material 50, and a fixed ferromagnetic material 52. The outer casing 42 is wrapped with a layer 44' and fixed to the shell 44, and the fixed ferromagnetic material & is fixed to the shell 44. The shape of the shell 44 is preferably a hollow cylinder, but is not limited thereto. The layer 44 is coated with a % of elastomeric material, some or all of the movable ferromagnetic material, some or all of the fixed ferromagnetic material 52. In another embodiment, the shell 44 may cover a 4-knife tip 46. The elastic material 5 is disposed between the movable ferromagnetic material and the fixed material 52 and the elastic material % is separated from the fixed ferromagnetic material 52 by a spacer 64 of the shell material, and the spacer 64 is interposed between the shells A protruding member a end 60 and a protruding member B end 62. The outer periphery of the shell layer 44 is covered with a coil %, and the vertical cladding range is defined by the protruding member A end 6〇 on the shell layer 44 and the protruding member B end 62. The covering range of the coil 54 includes the elastic material 5〇, Part of the movable ferromagnetic material 48, 201040797 part of the fixed ferromagnetic material 52, the elastic material can not be beyond the embodiment, protruding like the end 6〇 and the protruding member Β_2 is also at the other end and the groove end, its function With the eight ends of the protruding member but with the protruding member, the total slot 1 is used as the positioning assistance for the starting point and the ending point of the coil 54; at the other end 62, the same end of the layer 44 has a protruding member (Α or Β end), The other end has a groove, which is fixed to the movable ferromagnetic material, for example, by rotation. Pen 颂% Ο In addition, the 'coil 54 is connected to a circuit board through the wire %.' When the slewing wheel is made into the way (the erroneous 'head 4 (4) is forced to the side surface of the coordinate surface, the distance between the fixed contact material movable ferromagnetic material 52 is changed because the elastic material % is compressed, and the inductance of the coil 54 is changed, and the inductance is changed. The vibration of the magnetic wave is also changed. The frequency of the magnetic wave is also changed by the emission or resonance frequency. μ 〇 The fourth figure shows the input 根据 according to the second embodiment of the present invention. The same components as those in the third embodiment are denoted by the same reference numerals, and only the differences from the third embodiment will be described, and the same portions will not be described again. The difference between the embodiment and the second embodiment is that The spacer, the skin of the shell 44 is omitted, and the shell 44 has a closed end 66 with one end of the fixed ferromagnetic material 52 adjacent the closed end 66. The fifth figure shows an input pen according to a third embodiment of the present invention. The embodiment is the same as the embodiment of the fourth embodiment in that the spacer 201040797 of the shell layer 44 is omitted, and the shell layer 44 has a closed end 66, one end of the fixed ferromagnetic material 52 is adjacent to the closed end 66; this embodiment In the fourth embodiment The difference is that the closed end 66 has an adjustment 68 for adjusting the distance of the movable ferromagnetic material 48 from the fixed ferromagnetic material 52 relative to the coil 54 within an allowable tolerance range, in a preferred embodiment. The adjustment is a screw. It should be noted that in the embodiments of the fourth and fifth figures, the shell 44 may also have the spacer 64 as in the third embodiment; in addition, in the third In the embodiment of the figure, the shell 44 may not have the spacer 64. In various embodiments of the present invention, the material of the shell 44 may be plastic or metal, and the material consideration is that the thickness is thin and the strength is good. In one embodiment, the thickness of the shell layer 44 is preferably 0.1 to 1.0 mm. The metal may comprise a good conductor such as gold, silver, copper, iron or the like or an alloy thereof, and the metal may also comprise a ferromagnetic material, such as an oxidized magnet (ferrite) A good conductor has the function of isolating the magnetic field, and a ferromagnetic material can enhance the magnetic field. The shell material of different materials can be designed to maintain the inductance of the coil in an acceptable range through different oscillating circuit designs. In addition, the elastic material 50 can be generally Spring, such as As shown in Figure 6, or a conical spring, as shown in the seventh figure, or a disc spring (Disc Spring), the disc spring is not pressed before, such as a conical spring, but can be pressed into a plane; the elastic material 50 can also It is an elastic polymer material such as rubber. The elastic polymer material may have a different shape, such as a cylindrical shape as shown in the eighth figure, or a cylindrical shape and a bump as shown in the ninth figure. The rubber with a bump can increase the sensitivity of the pressure sensing in 201040797, and the sensitivity can be reached in the sensibility of the sensation of the pen. The stylus pen according to the embodiment of the present invention is fixed in the fixed pen. On the ferromagnetic material 52, it is not as conventional as it is. Because the shell layer 44 and the outer shell 42 are located, the shell layer is shaken. The pen head 32 compresses the movable ferromagnetic material 48: when the pen 40 is used, the elastic material 50 causes the distance between the movable ferromagnetic material magnetic material 48 to be pressed, but the secret 56 does not move with the person, _, long The reliability of the rear wire 56 is still good. In addition, the protruding member eight (four) and the protruding member B end 62, or the groove structure 'function is to position and fix the starting point and the end point of the peach ring %, and at the same time improve the processing convenience and the feeling of the house around the coil 54 Measuring accuracy, coil stability. In addition, the shell layer 44 can also be used as a fixed component of the movable ferromagnetic material 48, the elastic material 30, the fixed ferromagnetic material 52, the pen shame, and the like, even if no glue can be used between the pieces. </ RTI> </ RTI> </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; , should be included in the scope of the patent application below. [Simple description of the drawing] 9 201040797 The first figure shows a conventional input pen; the second figure shows another input pen of the prior art; the third figure shows the input pen of the first embodiment of the present invention; The input pen of the second embodiment of the present invention is shown; the fifth figure shows the input pen of the third embodiment of the present invention; the sixth figure shows the elastic material of an embodiment of the present invention; and the seventh figure shows the elasticity of another embodiment of the present invention; Materials; Figure 8 shows an elastic material according to another embodiment of the present invention; and Figure 9 shows an elastic material according to another embodiment of the present invention. [Main component symbol description] 10 Input pen 12 Housing 14 Pen core 16 Ferromagnetic material 18 Magnetic body 20 Coil 22 Spring 10 201040797 24 Capacitor 26 Conductor 30 Elastic material 32 Pen 34 Fixing frame di Distance 40 Input pen holder 42 Shell 44 Shell Object 46 pen 48 movable ferromagnetic material 50 elastic material 52 fixed ferromagnetic material 54 coil ^ 56 wire 58 circuit board 60 protruding piece A end 62 protruding piece B end 64 spacer 66 closed end 68 adjustment