TW200411568A - Electromagnetic induction pen-like device with writing function - Google Patents

Abstract

An electromagnetic induction pen-like device with writing function is disclosed in this present invention. The design of this invention combines an electromagnetic induction device and a writing device in a pen-like device. The electromagnetic induction device can be employed as a pointing device of a tablet. The writing device can be used as an ink pen. Moreover, while writing on a paper, the writing device can transfer the handwriting trace to a tablet for saving the handwriting trace in a memory device, even showing the handwriting trace on a displayer. Hence, it is very convenient for a user to bring a pen-like device with multiple functions according to this invention.

Description

200411568 l V. Description of the invention a) [Technical field to which the invention belongs] The present invention relates to an electromagnetic induction device, and more particularly to an electromagnetic induction pen device having a writing function. 2. [Previous Technology] Computer input devices widely used today include a keyboard and a mouse. With the development of digital technology, more and more computer users are using digital tablets as input devices. Users can write or daylight on the tablet's work area and send signals to the computer for interpretation by the computer. Specifically, the working area on the tablet provides a writing surface to capture the position of an object (pen or mouse), pressure, keys, and other related information. A type of pen device (pen- _ 1 i k e d e v i c e) is produced in cooperation with such a tablet. A pen-like device has been disclosed in U.S. Patent No. 4,969,500, refer to the first A picture. The above-mentioned pen-like device includes an input device 110 and a cancellation device 120. The above writing device 110 and the erasing device 120 can perform writing and eraser functions by handwriting input on a tablet. However, since the pen device used in the above patent requires a built-in battery 130, it must be recharged regularly during use, and battery failure or aging problems may occur. In addition, in order to charge the pen-like device described above, it must have a leaky metal contact 135, which may cause leakage to the user. In addition, the pen-like device described above uses an oscillating circuit 140 and a charging circuit 145. This design will increase the complexity, failure rate, and cost of the circuit, and the oscillating circuit 14 will often cause a large error. ,

200411568 V. Description of the invention (2) Another type of pen device β has been disclosed in another US Patent No. 5 575 6 502, referring to the first figure B. The above pen-like device is mainly provided with a cancellation device 160 at the other end of an input device 150. The erasing device 160 described above can perform an eraser-like function on a tablet to eliminate the writing track of the writing device 150. However, in the above-mentioned pen-like device, in order to increase the above-mentioned eraser function, a large number of circuits and components are added, which will increase the complexity and cost of manufacturing the pen-like device. Therefore, how to provide a pen device or the like which can avoid the disadvantages in the above-mentioned conventional techniques is a research subject of the present invention. In addition, with the development of handwriting input devices, how to provide an electromagnetic induction pen device with multiple functions is also the subject of the present invention. III. [Summary of the Invention] In view of the above-mentioned background of the invention, the conventional art has many shortcomings in pen devices such as handwriting input. The main object of the present invention is to provide an electromagnetic induction device with a writing function. One end of the electromagnetic induction device with a writing function has an electromagnetic induction device to provide a user with handwriting input on a handwriting input device. The other end of the above-mentioned electric φ magnetic induction device with a writing function is provided with a writing device to provide users with ordinary ink pen writing. Another object of the present invention is to provide an electromagnetic induction with a writing function.

200411568 V. Description of the invention (3) Application device. The writing device of the electromagnetic induction device with writing function can transmit the user's handwriting to a handwriting input device when writing. — Another object of the present invention is to provide an electromagnetic induction device with a writing function. The electromagnetic induction device and the writing device of the electromagnetic induction device with a writing function can provide a pressure level function to present the user's handwriting on a display through a handwriting input device. Another object of the present invention is to provide an electromagnetic induction device having a writing function. The above electromagnetic induction device with writing function does not need a built-in battery, so it does not need to be charged, and it can avoid all the battery-related stomach problems in the conventional art. Another object of the present invention is to provide an electromagnetic induction device having a writing function. The above electromagnetic induction device with a writing function uses a two-resonance circuit, which has the advantages of simple design, easy adjustment, and low cost. According to the above-mentioned object, the present invention provides an electromagnetic induction device having a writing function. According to the present invention, one end of the electromagnetic induction device with a writing function has an electromagnetic induction device, and the other end has a + writing device. The above electromagnetic induction device includes at least one core, a first magnetic element, a second magnetic element, and a first coil fixed on an outer surface of the first magnetic element. When using the electromagnetic induction device to write on a tablet, the tablet applies an upward force to the pen center to change

Page 9 200411568 V. Description of the invention (4) Change the inductance value of the first coil. The first coil can wirelessly emit an electromagnetic field signal to the tablet to generate an induced voltage. With the above design, the electromagnetic induction device can be used for handwriting input on a tablet or other handwriting input device. On the other hand, the above writing device includes at least an ink pen core, a third magnetic element, a fourth magnetic element, and a second coil fixed to an outer surface of the third magnetic element. The above writing device can provide the writing function of a general ink pen. More preferably, the writing device described above can also wirelessly transmit an electromagnetic field signal to a tablet. In other words, the above writing device can simultaneously write on ordinary paper and transmit the writing handwriting to the tablet, record it in a memory, and even present it on a display. Therefore, the electromagnetic induction device with a writing function according to the present invention can combine an electromagnetic induction pen device and an electromagnetic induction pen device with an ink pen function into one type of pen device to improve the convenience of the user when carrying and using Sex. 4. [Embodiments] Some embodiments of the present invention will be described in detail as follows. However, in addition to the detailed description, the present invention can be widely implemented in other embodiments, and the scope of the present invention is not limited, which is subject to the scope of subsequent patents. 〇 Moreover, the different parts of the components in this manual are not drawn to size. Certain dimensions have been exaggerated compared to other related dimensions to provide a clearer description and understanding of the invention.

Page 10 200411568 V. Description of the invention (5) A preferred embodiment of the present invention is an electromagnetic pen device having a writing function. The above electromagnetic induction pen device with writing function at least includes a support skeleton, an electromagnetic induction device is located at one end of the support skeleton, and a writing device is located at the other end of the support skeleton. The above electromagnetic induction device can be used as an index element of a handwriting input device to provide a user to perform handwriting input on the handwriting input device. The writing device described above can provide the writing function of a general ink pen. More preferably, the above writing device can simultaneously output handwriting traces to a handwriting input device when writing on general paper, and then store them in a memory or even display on a display. The electromagnetic induction device includes at least a first elastic element, a first hollow sleeve, a first magnetic element, a second magnetic element, a first pen core, and at least a first coil fixed to the first magnetic element. One of the outer surfaces of the element. One end of the support skeleton has a first skeleton cover, and the first skeleton cover defines a first volume. The first elastic element is located in the first container of the first skeleton cover. One end of the first hollow sleeve abuts against the first skeleton cover. The inner surface of the first hollow sleeve can be divided into a first container and a second container by a first ring-shaped partition, wherein the second container is located between the first ring-shaped partition and the first ring-shaped partition. Between the first skeleton covers. ψ The above-mentioned first magnetic element has a first central perforation. One end of the first magnetic element is located in the first accommodating chamber and abuts against the first annular spacer. The second magnetic element has a second central perforation. Second magnetic

Page 11 200411568 V. Description of the invention (6) One end of the sexual element abuts against the first annular spacer, and the second magnetic element can move in the second container. When an external force acts upward on the first pen core, the second magnetic element moves upward and away from the first annular spacer simultaneously. When no external force acts upward on the first pen core, the first elastic element can provide an elastic force to return the second magnetic element to the state of abutting against the first annular spacer. On the other hand, the writing device according to this embodiment has the same structure as the electromagnetic induction device described above. In other words, the above writing device includes at least a second elastic element, a second hollow sleeve, a third magnetic element, a fourth magnetic element, a second pen core, and at least a second coil fixed to the third One of the outer surfaces of the magnetic element. The only difference is that the second pen core mentioned above is a writable ink pen core. In this way, the above writing device can provide the writing function of a general ink pen. On the other hand, the above writing device can synchronously transmit the handwriting track to a handwriting input device when writing on general paper. In addition, the writing device according to the present embodiment may further include a pen cover. When the above pen cover is not in use of the writing device, it can prevent the ink from leaking and prevent the pen core from being damaged when dropped, which is convenient for users to carry. More preferably, the second writing center of the writing device can be exchanged. The user can easily replace the ink refill when the ink runs out, or according to different needs. The writing device described above can also be used as a normal ink pen.

Page 12 200411568 V. Description of the invention (7) In this embodiment, when the electromagnetic induction device and the writing device described above are used for handwriting input on a handwriting input device, both can provide pressure level function. In other words, the electromagnetic induction pen device with a writing function according to this embodiment can present a user's force when writing on a display through a handwriting input device. Furthermore, the electromagnetic-inductive pen device with a writing function according to this embodiment does not need a built-in battery, so problems such as battery aging, failure, and the like do not need to be charged.

The design according to this embodiment can combine the functions of the electromagnetic induction device and the writing device B in a type of pen device to facilitate the user's carrying and using. The electromagnetic induction device described above can be used as an index element of a handwriting input device to provide users with handwriting input on the handwriting input device. In addition to the writing function provided by the general ink pen, the above writing device can simultaneously transmit the user's handwriting to the handwriting input device when writing on paper to record in a memory or even present on a display on. Therefore, according to the design of the present invention, a pen device including at least three functions can be provided to improve the convenience of the user in use and carrying. Another preferred embodiment of the present invention is an electromagnetic pen-like device having a writing function. The above-mentioned electromagnetic induction pen device with a writing function includes an electromagnetic induction device, a writing device, and a supporting frame located between the electromagnetic induction device and the writing device. The second figure is a schematic diagram of an electromagnetic induction pen device having a writing function according to this embodiment. Refer to the second picture, above.

Page 13 200411568 5. The electromagnetic induction device 201 described in the description of the invention (8) includes at least a first elastic element 205, a first hollow sleeve 206, a first magnetic element 207, and a second magnetic element. -2 0 8, a first slider 209, a first pen core 2 1 0, and at least one strand of wire ^ wound into a first coil 211. The above writing device 250 includes at least a second elastic element 255, a second hollow sleeve 256, a third magnetic element 257, a fourth magnetic element 258, a second slider 259, and a second pen core 2 One of the second coils 2 6 1 formed by 60 and at least one strand of wire. The third diagram A is a schematic sectional view of an electromagnetic induction pen device with a writing function according to this embodiment, and the third diagram B is an exploded view of a part with a writing function according to this embodiment. Referring to FIG. 3A and FIG. 3B, at the end of the electromagnetic B induction device 201, one end of the supporting skeleton 204 has a first skeleton cover 2 1 2. The first skeleton cover 2 1 2 defines a first container for receiving the first elastic element 2 05. The first elastic element 205 can be a spherical elastic element, for example, a rubber ball. The first hollow sleeve 2 06 is a hollow cylinder, and has a first outer surface 21 3 and a first inner surface 214. One end portion of the first hollow sleeve 2 06 is abutted against the first skeleton cover 2 1 2, and the other end portion is provided with a pair of first step surfaces 2 1 6, and one of the first step surfaces 2 1 6 and The outer shells 2 0 2 are engaged with each other, so that the first hollow sleeve 2 0 6 is held by the outer shell 2 0 2. Referring to FIG. 3B, one end of the first hollow sleeve 20 6 has a group of concave structures φ for accommodating a group of convex structures of the first skeleton cover 2 1 2 during assembly. A first ring-shaped partition 215 is provided in the first inner surface 21 4 of the first hollow sleeve 20 6 to divide the first hollow sleeve 20 6 into a first container and a second container. The compartment is formed between the first annular partition 2 1 5 and the first bone

Page 14 200411568 V. Description of the invention (9)-~ --—— ^ 体 21 2。 The first annular spacer 21 5 is integrally formed with the first hollow sleeve 206. The first magnetic element 207 has a first central perforation, and one end portion thereof is engaged with the first accommodation chamber and abuts against the first annular spacer, 2、5 筮 — 礤 性 礤 2 0 7 The internal component 208 is fixed to the electromagnetic induction device 2 0 and has a second central perforation. The second magnetic element flute is accommodated in the second container chamber, and one end portion thereof bears against the 9 partition member 21 5. The first magnetic element 207 and the second magnetic element m iron powder core or a highly magnetically permeable material are formed. In a preferred example, the length of the second magnetic element 207 is larger than that of the second magnetic element 208.

A first ' renal motility member 209 is movably received in the second container. Referring to FIGS. 12 and 1 and the third ring, the first sliding member 209 has a cylindrical body. The inside of the moving member 209 can be divided into a first end portion and a second end portion 9 ~ the first end portion is close to the first skeleton cover 2 1 2. The second magnetic element @ is placed inside the first end of the first slider 209. On the day of assembly 2, 0 _ the second magnetic element in the first end of the first slider 209

Dai Yi * a Slide 2 0 9 is movably accommodated in the first hollow sleeve 2 0 6 Elidie! 2 ′ and one end thereof abuts on the first ring-shaped spacer 2 1 5, 206 in the upper-lower ^^ second, ^ second-sliding member inspection-hollow sleeve ί the first * Nong pull length 'Gap the first end I of the first slider 209. This !; ^ ^ 6 can maintain a tiny fi stay between the first annular spacers 215. It is also foreseen for the length tolerance of 208, I wish the first end of the first sliding member 209 and the first hollow sleeve

Page 15 200411568 V. Description of the invention (ίο) The distance between the first ring-shaped spacers 215 of the tube 20 6 should be approximately 2.8 lengths' so that this distance can accommodate the long-capacity-dual element Therefore, the relative distance between the first magnetic element and the internal element 208 is fixed.夂 昭 笛 _ 〇 younger one magnetic piece 209 inside the first end of the formation of a third ς chamber, the first, one end of the first sliding pen 210. The first sliding member 209 is placed in the second container to hold the first synchronous drive of the second magnetic element 208. The first sliding member 209 can abut one end of the first elastic element 205. Leyi ^ 4 is the first pen core 2 1 0 is passed through one of the first magnetic elements 207 and the first ring-shaped spacer 215, and one end thereof is clamped against the first perforation-the first pen core 210 It can be a ballpoint pen heart. The third clamping function described above is used to clamp the first pen core 210, so that it can be replaced according to actual needs. The first coil 211 is fastened; = a predetermined position on the outer surface of the sexual element m close to the first-ring spacer 21 [-end magnet. In a preferred example according to the present invention, a first coil 211 formed by a wire is wound on two sides of the first magnetic element 207. Referring to FIG. 2C, which is a cross-sectional view of the use state of the tablet wireless pen 201 according to the present invention, when the first pen core 210 writes on the tablet 3, the tablet 3 applies a force upward to make the first pen The heart 210 moves upward in synchronization with the first sliding member 209, thereby pressing the first elastic member 205. At this time, the second magnetic element 208 is also moved upward by the first slider 209 synchronously, so that

Page 16

200411568 V. Description of the invention (π) The relative position of the first magnetic element 207 is changed, thereby reducing the inductance value of the first coil 211. As the upward displacement of the second magnetic element 20 8 is larger, the inductance value of the first coil 21 1 is lowered, and the resonance frequency of the first coil 21 1 is larger. When the second magnetic element 2 08 moves upward, the inductance value of the first coil 211 can be changed and the resonance frequency is also changed. At this time, the first coil 2 1 wirelessly emits an electromagnetic field signal with a frequency change, making the digital The board receives and generates induced voltage. When no external force acts upward on the first pen core 21 0, the first elastic element 2 05 provides an elastic force to the first slider 2 09, so that the first slider 2 0g and the second magnetic element 2 0 8 At the same time abut against the first annular spacer 2 1 5. Furthermore, under the effect that the first pen core 2 1 0 is not subjected to the upward force of the tablet 3, the distance between the first magnetic element 2 7 and the second magnetic element 2 8 is determined by the first ring-shaped spacer 215. Determined by the thickness, it can be kept fixed, and will not affect the precise control of the relative position between the two because of the finished length tolerance value of the first magnetic element 2 07 and the second magnetic element 2 08. Therefore, when the first pen center 210 is subjected to an upward external force, the frequency output value of the tablet wireless pen 2000 can be fixed.

In the electromagnetic induction device 201 according to the present invention, the first coil 21 1 wound up to +1 is directly wound on the first magnetic element = 〇7 = surface. The first coil 21 1 has an excellent q value, and its energy for transmitting electromagnetic fields and fields? Both are very strong. The digital tablet 3 measures the pressure of the wireless pen at 2 o'clock, and the resolution is also improved due to the signal / noise ratio, and the digital tablet converts the signal into pressure. Furthermore, by

$ 17 pages 200411568 V. Description of the invention (12) The coil 2 1 1 directly absorbs the electromagnetic field emitted by the tablet 3 for its power, without the need to use an additional battery to provide power. In this embodiment, a writing device 2 50 is further located on the other side of the supporting frame 2 0 4. The above writing device 2 50 includes at least a second elastic element 255, a second hollow sleeve 256, a third magnetic element 257, a fourth magnetic element 2 58, a second slider 2 59, and a A second coil 2 6 1 formed by the second pen core 2 6 0 and at least one strand. Since the arrangement of the components of the above writing device is similar to that of the electromagnetic induction device, please refer to the above description of the electromagnetic induction device and its illustrations for the arrangement of the components of the ink pen end, which will not be repeated here. It should be particularly noted that the second pen core 260 of the above writing device is an ink pen core, so that the above writing device can provide the writing function of the ink pen. Since the component architecture of the above writing device also includes the design of the electromagnetic induction device, the writing device can record the handwriting written on the paper in a handwriting input device when writing. The writing device according to this embodiment further includes a pen cover 270, and a space is provided on the inner side to accommodate the front end portion of the writing device. When the writing device is not used, the pen cover 270 can be snapped against the writing device housing 202, as shown in the second figure. The pen cover 270 can prevent the ink from leaking and damage the pen core. The outer side of the pen cover 270 is provided with an elastic device 2 72 for the convenience of users. The second pen core 260 can be replaced by a clamping device, not shown in the figure. When the second pen 2 60 runs out of ink, or responds to the user ’s book

Page 18 200411568 V. Description of the invention (13) The second pen core 2 60 can be replaced immediately to provide writing convenience. The electromagnetic induction pen device with writing function according to this embodiment further includes a printed circuit. The plate 20 3 is disposed on the supporting skeleton 20 4 and includes two inductive capacitive resonance circuits, and the two inductive capacitive resonance circuits are electrically coupled to the first coil 2 1 1 and the second coil 2 6 1 respectively. The fourth diagram is a schematic circuit diagram of the electromagnetic induction pen device with a writing function of the second diagram. Referring to the fourth figure, L 1 and L1 A respectively represent the first variable inductance generated by the first coil 2 1 1 at the digital pen end and the second variable inductance generated by the second coil 2 6 1 at the pen end inductance. When the inductance of the first coil 211 or the second coil 261 changes, an electromagnetic field signal of different frequencies can be wirelessly transmitted to the tablet 3, so that the tablet 3 generates an induced voltage, thereby outputting the user's handwritten trajectory to the digital Plate 3. Compared with the conventional pen-like device, the design according to the present invention uses two simple resonance circuits, which has the advantages of easy adjustment and low cost. Furthermore, according to the design of the present invention, since the built-in battery is not required, there is no risk of battery failure, aging or leakage, and there is no need to charge or replace the battery. In addition, the design according to the present invention does not have externally leaking metal points, which can avoid the danger of leakage of electricity by the user directly contacting the internal circuit. In addition, the design of the present invention can provide the performance of the pressure level, and can relatively present the user's strength in writing according to the degree of pressure of the pen tip, so that the handwriting presented on the display is closer to the user's handwriting. Even better, according to this

Page 19 200411568 V. Description of the invention (14) In addition to the electromagnetic induction device, an ink pen with electromagnetic induction function is provided at the other end of the electromagnetic induction device to provide the writing function of the ink pen, or It is provided that the user can transmit the handwriting of the user to a handwriting input device while writing on general paper, so as to record in a memory or even present on a display. In summary, at least as described above, the magnetic induction pen device has an electromagnetic induction and writing device. The present invention provides an electric device having a writing function. The above-mentioned electromagnetic induction pen device device having a writing function and a writing device. The above-mentioned electromagnetic induction devices each include an elastic element, a hollow sleeve, and a surface surrounded by a strand of a first magnetic element. To carry out the ink in one, the user of this fountain pen only needs to facilitate the above-mentioned handwriting input pen to write paper-like records in the function of the device. Carry a reduce the electromagnetic time function of 0% of the time can be electromagnetic and According to the user's second magnetic-coil induction device index. It is better to synchronize the memory with hand induction. In the present invention, the portable element is fixed to the liftable element. The handwriting, even writing input pen device, or the like, the negative slider on the pen, a pendant, and at least the above-mentioned first magnet are provided for the user. can. The above-mentioned ink pen handwriting of the above book is transmitted to an indicator element presented on a display device. The invention of a type of pen device can be used simultaneously and can be carried by the device. . The design, and design, have many enhancements so that an appearance of the input device can be provided in the writing input device.

Page 20 200411568 V. Description of the invention (15) The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the patent application for the present invention; all others completed without departing from the spirit disclosed by the present invention Equivalent changes or modifications should be included in the scope of patent application described below.

Page 21 200411568 Brief description of the drawings V. [Simplified description of the drawings] The above-mentioned objects and advantages of the present invention will be described in detail with the following embodiments and illustrations, where: The first A picture is a learned technique Schematic diagram of the cross-section structure of a digital tablet pen device; FIG. 1B is a cross-sectional structure of a digital tablet pen device of another conventional art, and the second diagram is an electromagnetic induction pen device with a writing function according to the present invention. The structure is not intended. FIG. 3A is a schematic cross-sectional structure diagram of the electromagnetic induction device of the electromagnetic induction pen device with a writing function of the present invention. The electromagnetic induction device in the figure is in a non-use state. Partial exploded view of the electromagnetic induction device in the figure; FIG. 3C is a schematic cross-sectional structure diagram of the electromagnetic induction device in FIG. 3A, and the electromagnetic induction device in the figure is in use; Schematic circuit diagram of electromagnetic induction pen device with writing function.

Page 22 200411568 Schematic representation of the main symbols: 110 input device 120 erasing device 130 battery 1 3 5 metal contact 140 oscillating circuit 145 charging circuit 150 input device 160 erasing device 201 electromagnetic induction device 2 0 2 outer casing 2 0 3 Printed circuit board 2 04 Support frame 2 0 5 First elastic element 2 0 6 First hollow sleeve 2 0 7 First magnetic element 2 0 8 Second magnetic element 2 0 9 First slider 210 First stroke center 211 first coil 212 first skeleton cover 213 outer surface 214 inner surface

Page 23 200411568 Brief description of the drawings 215 _ _Circular spacer 216 First step 3 Tablet 250 Writing device 255 Second elastic element 256 Second hollow sleeve 257 Second magnetic element 258 Fourth magnetic element 259 The second sliding member 260—the pen core 261—the second coil 262—the 丨 —1 skeleton cover 263 the outer surface 264 the inner surface 265 the second ring spacer 266 the second step surface 270 pen cover 272 elastic device

Page 24

Claims (1)

200411568 6. Scope of patent application 1. An electromagnetic induction device with a writing function, the electromagnetic induction device with a writing function includes: a support skeleton; an electromagnetic induction device is located on one side of the support skeleton, and the electromagnetic induction device can transmit wirelessly An electromagnetic field signal to a handwriting input device; and a writing device on the other side of the supporting frame, the writing device can wirelessly transmit another electromagnetic field signal to the handwriting input device, and the writing device can provide an ink pen writing function. 2. According to item 1 of the scope of patent application, wherein the electromagnetic induction device with a writing function of the electromagnetic induction device package includes: a first first skeleton cover defining a skeleton cover at one end of the supporting skeleton, the first first A container, a first, a first, the first inner first surface is partitioned into a first ring-shaped first element, a first ring-shaped second element, and is housed. In the first container; a sleeve, the elastic hollow sleeve of which has a first annular partition at one end against the first outer surface, two containers, and a member between the cover and the body The magnetic end part chamber on the magnetic end part and a first bone element are engaging parts, and the element abuts against the first end part and the second end part with a first ring The first skeleton cover and a first inner surface are used to form the second hollow chamber of the first hollow sleeve in the central perforation, the first magnetic chamber, and abut the central perforation. On the second magnetic piece; Page 25 200411568 VI. Patent application scope A first slider is movably accommodated in the second container, and has a first cylindrical body. The first slider includes a first end and a The second end portion, the length of the first end portion is slightly shorter than the length of the second magnetic element, a third receiving chamber is formed inside the first end portion, and the second magnetic element is received in the first end portion. So that the second magnetic element can be synchronously driven when the first sliding member moves in the second container, and the second end portion is abutted against one end of the first elastic element; Pass through the first central perforation of the first magnetic element and the first annular spacer, so that one end portion thereof is clamped against the third container; and a first coil wound by at least one strand Is fixed at a predetermined position on an outer surface of the first magnetic element near the end portion of the first annular spacer. 3. For example, an electromagnetic induction device with a writing function in the scope of patent application, wherein when the electromagnetic induction device acts upward on the first pen core, the first slider and the second magnetic element are synchronized upward. Moving away from the first ring-shaped spacer, and when no external force acts upward on the first pen core, the first elastic element provides an elastic force to the first slider, so that the first slider and the second slider The magnetic element abuts on the first annular spacer at the same time. 4. For example, an electromagnetic induction device with a writing function in the scope of patent application, wherein the writing device includes: a second skeleton cover at the other end of the supporting skeleton, and the second bone Page 26 200411568 VI. Scope of patent application Frame cover definition A second one second elastic element second hollow sleeve two hollow sleeves are provided on the surface, the second inner partition is divided into a fourth container second annular partition One end portion of the third magnetic element and the third magnetic element is on the second ring-shaped spacer; one end of the fourth magnetic element has a second cylindrical portion and a fourth end portion. Pieces, which are contained in the second container; one end of the tube, which abuts against the second skeleton cover, has a second outer surface and a second inner surface and a second ring-shaped spacer, so that The second hollow and a fifth container, the fifth container is formed between the second skeleton cover; the member has a third central perforation, the first engaging container is placed in the fourth container, and The abutting length piece is moved in the container room against the hole and the room; the second sliding end of the second element is rounded, and the second ring and the second ring are less The first synchronic element center of the outer three ends of the strand, the shape of the spacer, leans on, is the main body The end of the inner part of the end is driven by a threading part, which can be moved, the part of the part is in shape, the first end passes through to make a fourth central perforation, and the second ring-shaped spacer; The second sliding member accommodated in the fifth accommodating chamber includes a third end having a length slightly shorter than the fourth magnetic body to form a sixth accommodating chamber. A fourth end portion, and one end portion of the third of the third magnetic element is clamped against a surface of the second line and wound into a second coil, which is fixed on the first portion close to the second annular spacer On the end body of the piece, the sleeve is connected to the three magnets and the four magnets. Page 27 I 厶 υυο 6. Scope of Patent Application A predetermined position. For example, the scope of application for patent No. 4 5. Where the δHai writing device is a ring-shaped spacer when the second sliding member of the electromagnetic induction device with a writing function and the fourth force act upwards And when the non-external member moves upward synchronously away from the first elastic element to provide an elastic force to act on the second pen core, the ί: simultaneously with the fourth magnetic element = ί — the sliding member, so that the first Two sliding members τ abut the second annular spacer. 6. If the scope of the patent application is the second item, wherein the above-mentioned first magnetic element ^ ~ electromagnetic induction device for writing function is a powder core or a highly conductive magnetic material. The material of the human second magnetic element is iron 7. As described in item 2 of the scope of the patent application, the third chamber described above has an electromagnetic induction device with a writing function so that the first pen core can be extracted = clamping function To hold the first pen core, 8, as in item 2 of the scope of the patent application, the above-mentioned electromagnetic capacity of the above-mentioned capacity y is a magnetic ball pen core. _ 9. As for the second item in the scope of the patent application, ^ ^ ^ ^ ^ An elastic element is an elastic sphere. 10 · Electromagnetic induction device with writing function such as the scope of patent application No. 4 200411568 6. The scope of the patent application, in which the material of the third magnetic element and the fourth magnetic element is an iron powder core or a guide magnetic material. 11. The electromagnetic induction cracking with writing function according to item 4 of the scope of the patent application, wherein the sixth chamber described above has a clamping function to hold the first / pen ~, so that the first stroke can be exchanged. 12. The electromagnetic induction device with a writing function as described in item 4 of the scope of patent application, wherein the second pen core is an ink pen core. 13. The electromagnetic induction device with a writing function according to item 4 of the scope of patent application, wherein the second elastic element is an elastic sphere. 14. If the electromagnetic induction device with a writing function according to item 1 of the scope of the patent application further includes: an outer casing for accommodating the electromagnetic induction device with a writing function; and a printed circuit board provided on the supporting frame, It has two inductive and capacitive resonance circuits. The two resonance circuits are electrically coupled to the electromagnetic induction device and the writing device, respectively. 15. An electromagnetic induction device having a writing function, the electromagnetic induction device having a writing function includes: a supporting skeleton; Page 29 200411568 · Sixth, the scope of patent application-a first first skeleton cover is located at one end of the supporting skeleton, the first skeleton cover defines a first volume; < a first elastic element, which is disposed in Within the first compartment; a first hollow sleeve, one end of which is abutted against the first skeleton cover, the first hollow sleeve has a first outer surface and a first inner surface, the first A first ring-shaped partition is provided on the inner surface to separate the first hollow sleeve into a first container and a second container. The second container is formed between the first ring-shaped partition and the first container. Between the first skeleton covers; a first magnetic element having a first central perforation, one end of the first magnetic element is snap-fitted in the first container and abuts against the _ first On a ring-shaped spacer; a second magnetic element having a second central perforation, one end of the second magnetic element abuts against the first ring-shaped spacer; a first sliding member, movably Receiving in the second container, it has a first cylindrical body, and the first sliding member package Including a first end portion and a second end portion, the length of the first end portion is slightly smaller than the length of the second magnetic element, a third chamber is formed inside the first end portion, and the second magnetic element system The first magnetic member is accommodated in the first end portion, so that the second magnetic element can be synchronously driven when the first sliding member moves in the second receiving chamber, and the second end portion is abutted against one end of the first elastic element; A first pen core, which passes through the first central perforation of the first magnetic element and the first ring-shaped spacer, so that one end thereof is clamped against the third container; at least one strand A first coil wound is fixed to the first magnet Page 30, 200411568, VI. A predetermined position on the outer surface of one of the patent-applicable components close to the end portion of the first annular spacer; 'a second skeleton cover is located at the other end of the support skeleton The second bone ... The frame cover defines a second compartment; a second elastic element is accommodated in the second compartment; a second hollow sleeve is abutted against the second skeleton On the cover, the second hollow sleeve has a second outer surface and a second inner surface, and a second annular spacer is provided in the second inner surface to separate the second hollow sleeve into a fourth A container and a fifth container, the fifth container is formed between the second ring-shaped partition and the second skeleton cover; a third magnetic element having a third central perforation, the first One end of the three magnetic elements is engaged with and accommodated in the fourth container, and abuts against the second annular spacer; a fourth magnetic element having a fourth central perforation, and the fourth magnetic element One end abuts against the second annular spacer; a second sliding member is movable The ground container is placed in the fifth container, and has a second cylindrical body. The second sliding member includes a third end portion and a fourth end portion. The length of the third end portion is slightly smaller than the fourth end portion. The length of the magnetic element, a sixth container is formed inside the third end, and the fourth magnetic element is accommodated in the first end, so that the second sliding member can be synchronized when moving in the fifth container. Drive the fourth magnetic element, the fourth end portion is abutted against one end of the second elastic element; a second pen core is passed through the third central perforation of the third magnetic element and the second ring shape Spacer so that one end thereof is clamped against the sixth container Page 31 200411568. 6. The scope of the patent application is indoor; and a second coil wound by at least one strand is fixed on the outer surface of one of the third magnetic components close to the second annular spacer. Of the end of the piece ... a predetermined position. 16. The electromagnetic induction device with a writing function as described in item 15 of the scope of patent application, wherein when an external force acts upward on the first pen core, the first slider and the second magnetic element move upward and away simultaneously. The first annular spacer, and when there is no external force acting upward on the first pen core, the first elastic element provides an elastic force to the first slider, so that the first slider and the second magnetic The element abuts against the first annular spacer at the same time. _ 1 7. The electromagnetic induction device with a writing function as described in item 15 of the scope of patent application, wherein when an external force acts upward on the second pen core, the second slider and the fourth magnetic element move upward synchronously. Away from the second annular spacer, and when there is no external force acting upward on the second pen core, the second elastic element provides an elastic force to the second slider, so that the second slider and the fourth magnet The element abuts against the second annular spacer at the same time. 1 8. The electromagnetic induction device with a writing function according to item 15 of the scope of patent application, wherein the first stroke is a stroke. 19. The electromagnetic induction device with writing function according to item 15 of the scope of patent application, wherein the second pen core is an ink pen core. Page 32 200411568 6. Scope of patent application 20. For example, the electromagnetic induction device with writing function in item 15 of the scope of patent application, wherein the material of these magnetic components is an iron powder core or a highly permeable magnetic material. 2 1. The electromagnetic induction device with a writing function according to item 15 of the scope of patent application, further comprising: an outer casing for accommodating the electromagnetic induction device with a writing function; and a printed circuit board provided on the supporting skeleton In the above, it has two inductance-capacitance resonance circuits, and the two resonance circuits are electrically coupled to the first coil and the second coil, respectively. 2 2. The electromagnetic induction device with a writing function as described in claim 21 of the patent application scope, wherein when an external force is applied upward to the first pen core, the external force acts on the first slider through the first pen core. And moving the first slider and the second magnetic element synchronously to press the first elastic element, thereby causing the relative position of the second magnetic element and the first magnetic element to change, causing the inductance value of the first coil Changing, thus changing the resonant frequency of the resonant circuit. 2 3. The electromagnetic induction device with a writing function as described in the patent application No. 21, wherein when an external force is applied upward to the second stroke, the external force acts on the second stroke through the second stroke. On the sliding member, the second sliding member is moved upward in synchronization with the fourth magnetic element to press the second elastic element, thereby causing Page 33 200411568 6. Scope of patent application 6. The relative position of the fourth magnetic element and the third magnetic element changes, which causes the inductance value of the second coil to change, thus changing the resonance frequency of the resonant circuit. The electromagnetic induction device with a writing function in the range of item 15 wherein the elastic elements are respectively a rubber ball. Page 34