200948169 九、發明說明： . 【發明所屬之技術領域】 本發明係關於一種無線耳機系統，其包含防水耳塞、無線傳輸技 術、電磁感應充電技術及PZT壓電陶磁揚聲器等之功能，使其在 各種有水的狀況下，亦能應用於聯絡、通訊或娛樂。 【先前技術】 現代的社會是一個資訊流通快速的時代，對於從事各種行業活動 的人來說，掌握資訊就是掌握機會，如手機等通訊工具確有其必 要性。手機的方便性和立即性讓人與人之間的有效距離大為縮 短’但仍有其紐性，如在雜、游泳池、航海、暴雨及各種有 水狀況等時候，手機的使用仍有其限制，為此增加防水耳塞之功 ❿ 能’以便在各種有水狀況的時候仍可有效通訊。 防水耳塞 游泳用的防水耳塞-般是讀轉或是軟塑縣材質，通常梦膠 製的材質較軟且舒適不易變硬’這類耳塞主要目的為了防止水進 道_於從事水上活動時具有保護耳朵的功能，例如：消除 游冰換乳時或是滑水時水面拍打至耳朵的衝擊，也可以阻隔受污 5 200948169 染的水流到耳道内的風險。 無線傳輸技術 無線傳輸（藍芽及其他無線傳輸），可包含藍芽、紅外線、 802. lla/b/gh等。以藍芽技術（圖二)為例：藍芽為短距離的無線 傳輸’傳輸範圍在1〇公尺（〇dBm)到1〇〇公尺（2〇dBm)左右， •運用跳頻展頻技術(Frequency Hopping Spread Spectrum--FHSS) 方式，以一特定形式的窄頻載波同步地在2·4ΜΗζ頻帶上傳送訊 號。在> 料傳輸上，藍芽以 ACL(Asynchronous Connection-Less) 的連線方式，提供最高下傳723. 2kbps及上傳57. 6kbps的非對稱 性傳輸速率或433. 9kbps的對稱性傳輸速率。在語音部分，以 SCO(Synchronous Connection-Oriented)的連線方式，提供 64kbps的傳輸速率。 壓電陶磁（1 ead-zi rconate-1 i tanate; PZT) 壓電陶瓷粉料主要係由锆鈦酸鉛（ΡΖΊ1)所組成，在加入氧化鍅 (Zr02) ’及氧化鉛(PbO)及氧化鈦(Ti02)等的粉末原料内，適當添 加微量的添加物後，經由數道嚴謹製作加工程序而成。在完成陶 瓷粉料後，再利用衝壓機使之壓縮成各種規格，形狀，接著在 6 200948169 1350°C左右溫度下進行燒結’所得的成品在完成極化作用後，就 是壓電陶瓷晶片。壓電效應主要有兩種：正壓電效應（direct piezoelectric effect;)及逆壓電效應（converse piezoelectric effect)。當壓電體受到電場作用時，電偶極矩會被拉長，壓電體 會沿電場方向伸長，此即將電能轉換為機械能。反之，對壓電體 施加壓力，則體内之電偶極矩會隨材質之壓縮而變短，此時壓電 體内為抵抗此種趨勢’將產生電壓以保持原狀態。壓電材料的特 • 點在於其可當作感測器’亦可當作致動器。而ρπ薄膜音波元件 為音頻發射時，係將PZT作為換能器，發射強度在 50〜70m/zbar/dbv左右，將電位變動轉換成音頻發射，頻率在 20〜20, 000ΗΖ之間，而此區間為人類所能聽到的頻率範圍。 電磁感應充電 1831年，渔拉第發現:如果在線圈中間有一磁場，原先沒有電流 的線圈’會因為線圈内的磁場發生變化而產生電流。俄國物理學 家查圭(H.F.E.Lenz，1804-1865)於1834年提出冷次定律(Lenz，s low).因磁场感應所生之電流，其所生的磁場怪抵抗原來的磁場 變化方向。 法拉第定律描述當一磁場瞬間經過一線圈時，在線圈中會產生一 感應電動勢£ : 7 200948169 ε =-Ν(άΦΒ/άΐ) Ν為線圈中電線繞的隨’（d(J)B/dt)代表磁通量（φΒ)的變化率。 磁通量和磁場大小Β、線圈面積Α有關。 Φ=ί dA=l B(cos0)(dA) 在現在科技發達的年代，生物醫學應用上許多生物感測器已經可 以置入人體中’但是常因為電源有限問題，而使得生物體内感測 _器無法長時制’造成許多生命、財產的無辜犧牲及損耗。在商 業民生用途上’許多電器用品皆需要電源來驅動使其動作，傳統 的充電儲能;T式是以充電電池直接接__極來_充電的目 的’因為傳統充電方式可能會造成電極兩端火花的不穩定發生， 而造成不必要的危險發生。 中華明國專利申請案號：092137227，其内容中描述：一感應模組， ^係由一感應線圈組成，與該充電電池一體設置，以電磁感應將一充 電端所傳送之磁能轉為電能，對該充電電池進行充電，而無磁場接 收均向性的設計。另外’中華明國專利申請案號093120759中， 亦無磁場接收均向性的設計，使用者在使用上不便利。 疋以’為改善現有耳機系統之功能’使其能方便運用於如在海灘、 游泳池、航海、暴雨及各種有水之狀況，本發明結合上述技術及 裝置’開發出一全新之無線耳機系統。 8 200948169 【發明内容】 本發明提供一種可無線充電之耳機系統，其包含： (1) 一耳機；及 (2) —無接點充電裝置（1〇)，其包含一磁場產生器，用以提供感 應電流對該無線耳機進行充電； 其中該耳機包含： (a) —播放模組；及 (b) —磁場感應儲能裝置（η)，用以接收該磁場產生器產生 之磁場； 其中該磁場感應儲能裝置（11)包含： (i) 一可磁化之芯，包含至少兩個具低磁滯係數磁性材料 之物體’物體間以互相垂直構成，用以儲存感應電流； 及 (ii) 一種線圈’其以三軸(X轴、γ軸及Z軸）或三軸中任 二軸纏繞該可磁化之芯，用以產生感應電流。 本發明所提供之耳機系統，其包含一包覆殼體，其材質係為防水 耳塞之防水材質，可防止水進入該系統及使用者的耳内，其中該 防水耳塞之防水材質可為軟梦膠或軟塑膠。 9 200948169 本發明所提供之耳齡統’其包含—無線雜模組，其係為藍芽 傳輸、紅外線傳輸或802· lla/b/gh無線射頻傳輸。 本發明所提供之耳機魏，其中_放模組健制磁揚聲器， 係由錯鈦酸錯及氧化錯所組成；其中該具低磁滞係數磁性材科之 物體為柱體形式，鑛自雜_、料顧域之群組。 在:般的實施方式中’本發明所提供之耳_統，其中該線圈具 有-條’以二軸中任二軸分纖_可魏之芯，在更加的實施 方式中’該線圈具有三條，以三軸(X軸、Y軸及Z軸)分別纏繞該 可磁化之芯。 本發明所提供之耳機系統’其中該磁場產生n進-步包含-纏繞 同頻多絞’_之物件、一過電流檢知電路及一功能控制面板；其 中磁場感應觀t置(11)進—步包含舰整録置、€容或電池。 本發明所提供之耳機系統，其中無接點充電裝置⑽係設置於水 域船舶水上樂園、游泳池或健身中心，其中水域包含海底、 海岸、湖底、湖畔、河底、河岸。 200948169 本發明進一步提供一種耳機，其包含： (1)一播放模組；及 .(2)一磁場感應儲能裝置（11)，用以接收該磁場產生器產生之磁 場； 其中該磁場感應儲能裝置（11)包含： (a)—可磁化之芯，包含至少兩個具低磁滯係數磁性材料之 物體，物體間以互相垂直構成，用以儲存感應電流；及 ❹ （b)一種線圈，其以三軸(X軸、Y轴及Z軸）或三轴中任二軸 纏繞該可磁化之芯，用以產生感應電流。 本發明所提供之耳機，其中該具低磁滞係數磁性材料之物體為柱 體升>式，係選自軟性磁鐵、飴或鐵所組成之群組。 _在一般的實施方式中，本發明所提供之耳機，其中該線圈具有二 條，以三軸中任二軸分別纏繞該可磁化之芯，在更加的實施方式 中’該線圈具有三條’以三軸(X軸、γ軸及2軸）分別纏繞該可磁 化之芯。 本發明所提供之耳機，其中該磁場產生器進一步包含一纏繞高頻 多絞線圈之物件、一過電流檢知電路及一功能控制面板；其中磁 場感應儲能裝置（11)進一步包含濾波整流裝置、電容或電池。 11 200948169 本發明所提供之耳機，其包含一包覆殼體，其材質係為防水耳塞 之防水材質’可防止水進入該系統及使用者的耳内。 本發明所提供之耳機，其進一步包含一無線傳輸模組，其係為藍 芽傳輸、紅外線傳輸或802. lla/b/gh無線射頻傳輸。 為了使任何熟習相關技藝者，了解本創作之技術内容並據以實 施’且能根據本說明書所揭露之内容、申請專利範圍及圖式，輕 易地理解本創作相關之目的及優點。因此，將在實施方式中詳細 敘述本創作之特徵及優點。本創作内容及若干具體實施例請參考 附圖且詳述如下。事實上，賴作可能以不_形絲實施且 不應該被推斷為僅限於文中所提及的實例。 ❹ 【實施方式】 實例1:本發明之無接點充電裝置（10)之製備 本發明叫拉第定律為設計巾心主軸，配合高頻交_場產生裝 置及其線圈裝置，將產生一交變磁場，因為互感效應作用，因此 士；本發月所提供之無接點充電裝置（10)上，感應出一股交流電 進而將其電流儲存於本發明之耳機中。 12 200948169 本實施方式如下: (1) 取三只軟磁鐵芯柱(3〇)，以互相垂直的方式排列；再 (2) 以南頻漆包線(4〇)以三軸(X軸、γ軸及z軸）分別均勻纏繞該 三只軟磁鐵芯柱，形成如圖四高頻線圈均勻包覆軟磁鐵芯 2〇 ’再以電線(70)連接整流濾波器（50)及電池(60)，再連接 β 至本發明之播放模組及無線傳輸模組(22)。 由市售或自製的模組化高頻交變磁場產生電路(9〇)，該電路可控 制外接高頻多絞線圈纏繞一容器’以在電路啟動時，於該容器内 產生高頻交變磁場區（80)。 實例2:本發明之無線耳機系統使用及充電方式 1.使用方式：在此實施例中，係以藍芽作為無線傳輸裝置。本發 明之耳機（如圖五Α所示）由矽膠之防水特性之包覆殼體將藍芽耳 機包覆者’讓外部水無法渗透到藍芽機器裡面，保護整體構造不 受水的侵入破壞；其係利用Ρ^Γ接收訊號’產生震盪方式有兩種， 厚度模式跟放射狀模式，其作用將能量轉換成音頻發射器，頻率 在20〜20, 000ΗΖ之間’此區間為人類所能聽到的範圍後，將聲音 13 200948169 訊息傳送到人們耳朵，經由無線傳輪模組，耳機便可接收到外部 訊息發射器（120)或其他無線裝置所傳送的訊號(如圖五b所示）。 2.充電方式.將電流導入充電的機制中，藉由電生磁、磁生電之 特性，將電流轉成交流磁場，當一封閉線圈中的磁力線數有變化 時，導線上會產生電流，此種現象稱為電磁感應。如圖所示， 本發明之無接點充電裝置（10)將電流轉成交流磁場，藉由耳機内 ❹部磁場感應除能裝置中線圈的感應，而且產生電流，藉由電磁感 應所產生之電流後，電流導入到耳機中需要耗電之裝置或電池， 完成耳機充電。 雖然發明作已以較佳實施例揭露如上，然其並非用以限定本創 作。任何熟習此技藝者，在不脫離本創作之精神和範圍内，所為 t更動與潤飾，均屬本發明之專利保護範圍。關於本發明之保護 範圍當視後附之申請專利範圍所界定者為準。 ” 【圖式簡單說明】 圖-係本發明之無接點充電裝置及磁場感應儲能輕之作用示立 200948169 圖二係本發明之無接點充電裝置示意圖。 圖三係本發明之磁場感應儲能裝置示意圖。 圖四係高頻線圈均勻包覆軟磁鐵心。 圖五係本發明之耳機系統之基本架構及使用方式。 * 【主要元件符號說明】 10: 本發明之無接點充電裝置 11: 本發明之磁場感應儲能裝置 20: 本發明之耳機 21: 包覆殼體 22: 無線傳輸模組 30: 軟磁鐵芯 40: 高頻線圈 50: 整流濾波器 60: 電池 70: 電線 80: 高頻交變磁場產生區 120: 外部訊息發射器 15200948169 IX. INSTRUCTION DESCRIPTION: TECHNICAL FIELD The present invention relates to a wireless earphone system including waterproof earplugs, wireless transmission technology, electromagnetic induction charging technology, and PZT piezoelectric ceramic speaker, etc. It can also be used for contact, communication or entertainment in the presence of water. [Prior Art] Modern society is an era of rapid information flow. For those engaged in various industry activities, mastering information is to grasp opportunities. Communication tools such as mobile phones do have their necessity. The convenience and immediateness of the mobile phone greatly shortens the effective distance between people. But there are still new features, such as the use of mobile phones in the days of miscellaneous, swimming pool, navigation, heavy rain and various water conditions. Limitation, for this reason, the function of waterproof earplugs can be increased to enable effective communication in various water conditions. Waterproof earplugs for waterproof earplugs are generally read or soft plastic county materials, usually the material of the dream rubber is soft and comfortable and hard to harden. The main purpose of these earplugs is to prevent water from entering the road. The function of protecting the ear, for example, to eliminate the impact of swimming on the ice or when the water is tapped to the ear when skiing, can also block the risk of the contaminated water flowing into the ear canal. Wireless transmission technology Wireless transmission (bluetooth and other wireless transmission), can include Bluetooth, infrared, 802. lla / b / gh and so on. Take the Bluetooth technology (Figure 2) as an example: Bluetooth is a short-distance wireless transmission' transmission range from 1 〇m (〇dBm) to 1〇〇200m (2〇dBm). • Use frequency hopping spread spectrum In the Frequency Hopping Spread Spectrum (FHSS) mode, a narrow frequency carrier is transmitted in a specific form to synchronously transmit signals on the 2·4 band. On the > material transmission, the Bluetooth provides an asymmetric transmission rate of 723. 2 kbps and uploading 57.6 kbps or a symmetric transmission rate of 433.9 kbps in an ACL (Asynchronous Connection-Less) connection. In the voice part, a transmission rate of 64 kbps is provided by the SCO (Synchronous Connection-Oriented) connection. Piezoelectric ceramic powder (1 ead-zi rconate-1 i tanate; PZT) Piezoelectric ceramic powder is mainly composed of lead zirconate titanate (ΡΖΊ1), added with yttrium oxide (Zr02)' and lead oxide (PbO) and oxidized In a powder raw material such as titanium (Ti02), a small amount of an additive is appropriately added, and then a plurality of rigorous preparation processing procedures are used. After the ceramic powder is completed, it is compressed into various specifications and shapes by a punching machine, and then sintered at a temperature of about 1,200,481, 1,350 ° C. The finished product is a piezoelectric ceramic wafer after completion of polarization. There are two main piezoelectric effects: the direct piezoelectric effect and the converse piezoelectric effect. When the piezoelectric body is subjected to an electric field, the electric dipole moment is elongated, and the piezoelectric body is elongated in the direction of the electric field, which converts electrical energy into mechanical energy. Conversely, when pressure is applied to the piezoelectric body, the electric dipole moment in the body becomes shorter as the material is compressed. At this time, the piezoelectric body resists this tendency, and a voltage is generated to maintain the original state. Piezoelectric materials are characterized in that they can be used as sensors or as actuators. When the ρπ thin film acoustic wave component is used for audio transmission, the PZT is used as a transducer, and the emission intensity is about 50~70 m/zbar/dbv, and the potential variation is converted into audio emission, and the frequency is between 20 and 20, 000 ,, and this The interval is the range of frequencies that humans can hear. Electromagnetic Induction Charging In 1831, Finner discovered that if there is a magnetic field in the middle of the coil, the coil 'currently without current' will generate current due to the change of the magnetic field in the coil. The Russian physicist Chagu (H.F.E. Lenz, 1804-1865) proposed the law of cold law (Lenz, s low) in 1834. The magnetic field generated by the magnetic field induced the magnetic field to resist the direction of the original magnetic field. Faraday's law describes that when a magnetic field instantaneously passes through a coil, an induced electromotive force is generated in the coil: 7 200948169 ε =-Ν(άΦΒ/άΐ) Ν is the winding of the wire in the coil with '(d(J)B/dt ) represents the rate of change of the magnetic flux (φΒ). The magnetic flux is related to the size of the magnetic field and the area of the coil. Φ=ί dA=l B(cos0)(dA) In the age of advanced technology, many biosensors can be placed in the human body in biomedical applications, but often because of limited power supply, in vivo sensing _ can not be long-term system 'to cause many lives and property without the sacrifice and loss. In commercial and commercial use, 'many electrical appliances need power to drive them to operate, traditional charging energy storage; T-type is to charge the battery directly to the __ pole to _ charging purpose' because the traditional charging method may cause the electrode two The instability of the end spark occurs and an unnecessary danger occurs. The Chinese Patent Application No. 092137227, the content of which is described in the following description: a sensing module, ^ is composed of an induction coil, and is integrally provided with the rechargeable battery, and electromagnetic energy transmitted by a charging terminal is converted into electric energy by electromagnetic induction. The rechargeable battery is charged without a magnetic field to receive an isotropic design. In addition, in the Chinese Patent Application No. 093120759, there is no design of the magnetic field receiving uniformity, and the user is not convenient in use. In order to improve the functionality of the existing earphone system, it can be conveniently used in beaches, swimming pools, seafaring, heavy rain and various watery conditions. The present invention combines the above-mentioned technologies and devices to develop a brand new wireless earphone system. 8 200948169 SUMMARY OF THE INVENTION The present invention provides a wireless charging earphone system, comprising: (1) an earphone; and (2) a contactless charging device (1), comprising a magnetic field generator for Providing an inductive current to charge the wireless earphone; wherein the earphone comprises: (a) a play module; and (b) a magnetic field inductive energy storage device (n) for receiving a magnetic field generated by the magnetic field generator; The magnetic field inductive energy storage device (11) comprises: (i) a magnetizable core comprising at least two magnetic materials having a low hysteresis coefficient; the objects are formed perpendicular to each other for storing the induced current; and (ii) A coil that winds the magnetizable core in three axes (X-axis, γ-axis, and Z-axis) or any two of the three axes to generate an induced current. The earphone system provided by the invention comprises a covering shell, the material of which is waterproof material of the waterproof earplug, which prevents water from entering the system and the ear of the user, wherein the waterproof material of the waterproof earplug can be a soft dream Glue or soft plastic. 9 200948169 The invention provides an amp system comprising a wireless hybrid module, which is Bluetooth transmission, infrared transmission or 802·11a/b/gh radio frequency transmission. The earphone provided by the invention, wherein the magnetic speaker is composed of a wrong titanic acid error and an oxidation fault; wherein the object with a low hysteresis coefficient magnetic material is in the form of a cylinder, and the mine is self-mixed. _, the group of the domain. In a general embodiment, the ear provided by the present invention, wherein the coil has a strip, is a two-axis splitter in the two axes, and in a further embodiment, the coil has three strips. The three axes (X-axis, Y-axis, and Z-axis) are wound around the magnetizable core, respectively. The earphone system provided by the present invention, wherein the magnetic field generates an n-step comprising - winding the same frequency multi-stranded object, an overcurrent detecting circuit and a function control panel; wherein the magnetic field sensing view is set (11) - Steps include ship registration, capacity or battery. The earphone system provided by the present invention, wherein the contactless charging device (10) is installed in a water park, a swimming pool or a fitness center, wherein the water includes a sea bottom, a coast, a lake bottom, a lakeside, a river bottom, and a river bank. 200948169 The present invention further provides an earphone comprising: (1) a play module; and (2) a magnetic field induction energy storage device (11) for receiving a magnetic field generated by the magnetic field generator; wherein the magnetic field sense storage The energy device (11) comprises: (a) a magnetizable core comprising at least two objects having a magnetic material having a low hysteresis coefficient, the objects being vertically formed to store an induced current; and (b) a coil The magnetized core is wound on three axes (X-axis, Y-axis, and Z-axis) or any two of the three axes to generate an induced current. The earphone provided by the present invention, wherein the object having a low hysteresis coefficient magnetic material is a column liter type selected from the group consisting of a soft magnet, a crucible or an iron. In a general embodiment, the earphone provided by the present invention, wherein the coil has two strips, and the magnetizable core is wound around any two of the three axes, and in a further embodiment, the coil has three 'three' The shaft (X-axis, γ-axis, and 2-axis) is wound around the magnetizable core, respectively. The earphone provided by the present invention, wherein the magnetic field generator further comprises an object wound with a high frequency multi-twisted coil, an overcurrent detecting circuit and a function control panel; wherein the magnetic field inductive energy storage device (11) further comprises a filtering rectifying device , capacitor or battery. 11 200948169 The earphone provided by the present invention comprises a covering case which is made of a waterproof material of waterproof earplugs to prevent water from entering the system and the ear of the user. The earphone provided by the present invention further comprises a wireless transmission module, which is a Bluetooth transmission, an infrared transmission or an 802.11a/b/gh wireless radio frequency transmission. In order to familiarize those skilled in the art, the technical content of the present invention is understood and implemented, and the objects and advantages associated with the present invention can be easily understood based on the contents disclosed in the specification, the scope of the patent application, and the drawings. Therefore, the features and advantages of the present invention will be described in detail in the embodiments. Please refer to the accompanying drawings and the detailed description below for details of the present invention. In fact, the work may be implemented in a non-shaped wire and should not be inferred to be limited to the examples mentioned in the text. ❹ [Embodiment] Example 1: Preparation of the contactless charging device (10) of the present invention The invention is called the design of the main shaft of the towel core, and the high frequency AC field generating device and the coil device thereof will generate a cross. The magnetic field is changed by the mutual inductance effect. Therefore, on the contactless charging device (10) provided by this month, an alternating current is induced and the current is stored in the earphone of the present invention. 12 200948169 This embodiment is as follows: (1) Take three soft magnetic cores (3〇) arranged in a mutually perpendicular manner; (2) Take the south frequency enameled wire (4〇) with three axes (X-axis, γ-axis) And the z-axis) uniformly winding the three soft magnetic cores respectively, forming a high-frequency coil uniformly coated with a soft magnetic core 2', and connecting the rectifying filter (50) and the battery (60) with a wire (70), Reconnecting β to the playback module and wireless transmission module (22) of the present invention. A commercially available or self-made modular high-frequency alternating magnetic field generating circuit (9〇), which can control an external high-frequency multi-twisted coil wound around a container to generate high-frequency alternating current in the container when the circuit is started Magnetic field (80). Example 2: Using and Charging the Wireless Headset System of the Present Invention 1. Usage: In this embodiment, Bluetooth is used as the wireless transmission device. The earphone of the invention (shown in Figure 5) is covered by a waterproof cover of silicone rubber, and the blue earphone coverer is allowed to 'not allow external water to penetrate into the blue-ray machine to protect the overall structure from water intrusion. There are two ways to generate the oscillating signal by using Ρ^Γ, the thickness mode and the radial mode, which convert the energy into an audio transmitter with a frequency between 20 and 20, 000 ' 'this interval is human After the range is heard, the voice 13 200948169 message is transmitted to the human ear. Through the wireless transmission module, the earphone can receive the signal transmitted by the external message transmitter (120) or other wireless device (as shown in Figure 5b). . 2. Charging mode. The current is introduced into the charging mechanism, and the current is converted into an alternating magnetic field by the characteristics of electromagnetism and magnetoelectricity. When the number of magnetic lines in a closed coil changes, a current is generated on the wire. This phenomenon is called electromagnetic induction. As shown in the figure, the contactless charging device (10) of the present invention converts a current into an alternating magnetic field, and induces a coil in the device by a magnetic field in the earphone, and generates a current, which is generated by electromagnetic induction. After the current is flowed into the earphone, the device or battery that consumes power is required to complete the charging of the earphone. Although the invention has been disclosed above in the preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with the art, and does not deviate from the spirit and scope of the present invention, is a patent protection scope of the present invention. The scope of the invention is defined by the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 2 is a diagram of a contactless charging device and a magnetic field induction energy storage device of the present invention. FIG. 2 is a schematic diagram of a contactless charging device of the present invention. FIG. 3 is a magnetic field induction of the present invention. Figure 4 is a high-frequency coil uniformly covering the soft magnetic core. Figure 5 is the basic structure and use of the earphone system of the present invention. * [Main component symbol description] 10: The contactless charging device 11 of the present invention The magnetic field inductive energy storage device 20 of the present invention: the earphone 21 of the present invention: the covering case 22: the wireless transmission module 30: the soft magnetic core 40: the high frequency coil 50: the rectifying filter 60: the battery 70: the electric wire 80: High frequency alternating magnetic field generating region 120: external message transmitter 15