五、發明說明（1) 技術 例Ϊ ^ If η音器有Λ’特別與彎曲波面板擴音器有關’ 擴音器。/ 9 84 2號國際專利申請案中所述之諧振面板 本發明之目的在改善彎 頻率之拖* # & € Φ /皮面板或谐振面板擴音器工作 頌V %度。 彎曲波2 ί二2 Γ 9線圈以連續或斷續環形接觸面固定於 常作業中二二、f上而激勵該面板之電動振動激勵器在正 形接觸於語音線圈下方且為語音線圈之環 振之頰t圍之碟形面板材料像鼓一樣振動而其局部諧 而定。、對^ ?見激勵器語纟線圈之直徑與面板材料之特性 或根本、、m板而言’超過此-諧振頻率即可能很少有 形成面^ 1 面板活動狀態，因此，此一諧振頻率即 薄面板效頻率之上限。對使用直徑為25公厘激勵器之 丄吻β ’此一情形可能會特別有問題。 面板枒1有建議將被激勵器語音線圈環形接面所包圍之 法辦到\除去來解決此一問題，但此一解決辦法有時却無 ---be 之於電動激勵器語音線圈τ*或其環形接面户 凹入成=碟形，例如使之變形而伸出面板之平面且突起資 凸出之圓頂形或錐形之凹面或凸面結構。因為此一凹入吴 化狀’無論有曲線或有小刻面均有較之平面更堅為V. Description of the invention (1) Technology Example ^ If the η microphone has Λ ', which is particularly related to the curved wave panel microphone'. / 9 84 Resonant panel described in International Patent Application No. 2 The purpose of the present invention is to improve the drag of the bending frequency * # & € Φ / Leather panel or resonant panel loudspeaker work VH degree. The bending wave 2 ί 22 2 Γ 9 coils are fixed on the continuous two or f in the normal operation with continuous or intermittent ring-shaped contact surfaces, and the electric vibration exciter that excites the panel is in direct contact with the voice coil and is the ring of the voice coil The dish-shaped panel material around the cheeks of the vibrating cheeks vibrates like a drum and its local resonance is determined. For the ^? See the exciter language, the diameter of the coil and the characteristics of the panel material, or fundamental, for the m-board, 'more than this-the resonance frequency may rarely form a surface ^ 1 panel active state, so this resonance frequency That is, the upper limit of the effect frequency of the thin panel. This situation may be particularly problematic with the use of a kiss β 'with a 25 mm diameter exciter. Panel 桠 1 has suggested that the method surrounded by the ring-shaped interface of the exciter's voice coil can be removed to solve this problem, but this solution sometimes does not have --- be for the electric exciter's voice coil τ * or Its annular joint is recessed into a dish shape, such as a dome-shaped or tapered concave or convex structure that deforms to protrude from the plane of the panel and the protruding materials are convex. Because this recessed Wuhua shape ’is stronger than a plane regardless of whether it has a curve or a small facet.
484337 五、發明說明（2) 之固有特性而使得局部諧振頻率移向一較高頻率。頻移之 度數則視凸出或凹入結構之半徑或高度及其直徑而定。 · 最簡單之形式可能為圓頂形或凹入形之球面輪廓，若為 凹入形時則須視至激勵器活動零件間之深度而定。凸出元 件之高度可改變至適當高度，其形狀則根據其他曲線而 . 定，例如雙曲線、搬物線或直線與曲線段之組合等。簡單 之錐體形亦屬有效。 ”圓頂π元件依其製造及構造方法可與面板一體構成或附 加於面板上可以加強或取代原來圓盤之位置。 在製作面板之過程中，可將其在位於激勵器區域内之一 修 段鐵心之厚度予以加大或以壓模方式使面板形成所需之局 部輪廓。若為單片整體壓模彎曲面板輻射器時，”圓頂π可 為整個壓模載面之一部分。 再者，在控制特點方面可能有較為複雜之截面，諸如一 系列或一行互成比例之較小π圓頂”雨對聲音輸出可有更精 密之控制。 本發明亦適用於傳統式紙與氈墊擴音器振動膜技術，其 中相連接之氈墊矩陣形成彎曲波面板，用於激勵器之圓頂 段則係藉著對線圈架截面之設計而一體製成。 圓頂或其他凸出或凹入結構之内部直徑可與將激勵器語 鲁 音線圈裝於面板上之支腳或安裝環之内徑配合，但若語音 線圈是直接裝於面板上時，則可與語音線圈本身之内徑配 合用以加強對頻帶寬度之改善。因此，例如2 2公厘直徑之 圓頂可適用於25公厘直徑之激勵器，若為19公厘之激勵器484337 V. Description of the invention (2) The local resonance frequency is shifted to a higher frequency. The degree of frequency shift depends on the radius or height of the convex or concave structure and its diameter. · The simplest form may be a domed or concave spherical profile. If it is concave, it depends on the depth between the moving parts of the exciter. The height of the protruding element can be changed to an appropriate height, and its shape is determined according to other curves, such as a hyperbola, a moving line or a combination of straight and curved segments. A simple pyramid shape is also valid. According to its manufacturing and construction methods, the dome π element can be integrated with the panel or attached to the panel to strengthen or replace the original disk position. During the process of making the panel, it can be repaired in the area of the exciter. The thickness of the segment iron core is increased or the panel is formed into the required local contour by means of stamping. If the panel radiator is bent by a single piece of stamper, the "dome π" may be a part of the entire stamping surface. Furthermore, there may be more complicated cross sections in terms of control characteristics, such as a series or a row of smaller π domes that are proportional to each other. The rain can have more precise control over the sound output. The invention is also applicable to traditional paper and felt Pad loudspeaker diaphragm technology, in which the connected mat mats form a curved wave panel, and the dome section for the exciter is made integrally by designing the cross section of the coil frame. The dome or other protruding or The internal diameter of the recessed structure can be matched with the inner diameter of the foot or mounting ring of the exciter voice coil on the panel, but if the voice coil is directly mounted on the panel, it can be within the voice coil itself The diameter fit is used to enhance the improvement of the bandwidth. Therefore, for example, a 22 mm diameter dome can be used for a 25 mm diameter exciter, if it is a 19 mm exciter,
第5頁 484337 五、發明說明（3) 時，則1 6公厘直徑之圓頂更為合適。 附圖簡要說明 本發明藉附圖加以說明： 圖1為彎曲波擴音器之部分側面圖。 圖2 a至圖2 f所示為不同實例彎曲波擴音器面板之部分透 視面。 圖3為擴音器頻率響應全頻譜之圖形。 圖4為擴音器頻率響應分頻譜之圖形。 實施本發明之最佳模式 圖1所示大致上為W0 9 7/0 9842在國際專利申請案中所述 之彎曲波擴音器1，含有一薄而硬且重量輕之面板2，該面 板為一電動振動激勵器3所激勵，該激勵器含有一慣性磁 鐵組合，其中含有一磁鐵8、一對磁極片6與一語音線圈組 合，此語音線圈組合包括一繞在具有一環形安裝腳7之線 圈架4上之線圈10用以產生聲音輸出，激勵器3係由語音線 圈組合之安裝腳7固定於面板2上而與之形成一環形接觸 面。此一環形視需要可為連續或斷續者。在環形接觸面内 之面板自激勵器處突起而形成一個具有圓頂且部分為球形 之碟5。激勵器3之磁鐵組合6與8係由海綿橡膠製成之吊掛 器9以有彈性之方式吊掛於面板2上。 圖2a至2f所示為面板2中不同形狀之碟5。圖2a為圓錐形 碟，圖2b為部分球狀之碟，圖2c為倒過來之圖2b中部分球 狀之碟，圖2d為金字塔形之碟，圖2e為圓錐與圓頂組合形 之碟，圖2 f為雙曲線形之碟。Page 5 484337 5. In the description of the invention (3), a 16mm diameter dome is more suitable. Brief Description of the Drawings The present invention is explained by the accompanying drawings: Fig. 1 is a partial side view of a bending wave loudspeaker. Figures 2a to 2f show part of the perspective view of a curved wave loudspeaker panel in different examples. Figure 3 is a graph of the full frequency response of a loudspeaker. Figure 4 is a graph of the frequency response spectrum of a loudspeaker. Best Mode for Carrying Out the Invention FIG. 1 shows a curved wave amplifier 1 substantially as described in WO 9 7/0 9842 in an international patent application, and includes a thin, hard, and light-weight panel 2. The panel Excited by an electric vibration exciter 3, the exciter contains an inertial magnet combination, which includes a magnet 8, a pair of magnetic pole pieces 6, and a voice coil combination, the voice coil combination includes a The coil 10 on the coil bobbin 4 is used to generate sound output, and the exciter 3 is fixed on the panel 2 by the mounting feet 7 of the voice coil combination to form an annular contact surface with it. This ring can be continuous or intermittent as needed. The panel in the annular contact surface protrudes from the exciter to form a dome-shaped and partially spherical disc 5. The magnet combination 6 and 8 of the exciter 3 is a hanger 9 made of sponge rubber and is hung on the panel 2 in a resilient manner. Figures 2a to 2f show differently shaped plates 5 in the panel 2. Figure 2a is a conical disk, Figure 2b is a partially spherical disk, Figure 2c is the inverted spherical disk in Figure 2b, Figure 2d is a pyramid-shaped disk, and Figure 2e is a cone-and-dome combination disk Figure 2f is a hyperbolic dish.
第6頁 484337 條. 89108148 修正 五、發明說^^ 圖^使用圓頂特性或形狀與傳統平面式面板相比 較對擴音器頻帶寬度之改善。平面式面板頻率響應（細線） 顯示大約6 kHz上之面板π局部或帽蓋π諧振及大約在1 8 k Η ζ上此一諧振之隔離諧波。具有π碟’’特性方面板（粗線） 顯示一擴展之頻率範圍及在大約16 kHz上之輕微譜振。 若有必要，圓頂或碟之高度可加以改變而改善頻帶寬 度。圖4所示為在不同類型之絕緣紙面板上（此處係指經過 喷漆處理之黑色S I G類之紙）使用不同圓頂高度（半徑）之效 果。圖4清楚顯示5厘米圓頂高度（粗線）增加大約2 kHz之 有用帶寬。5厘米高圓頂之隙孔諧振頻率較之3厘米高圓頂 (細線）之隙孔諧振頻率大約要大出2 k Η ζ。但圓頂高度之 有用範圍可能為1至7厘米。超過7厘米或不足1厘米可能僅 有非常小之隙孔諧振頻率增加。顯然在無法使用過高圓頂 (大於7厘米）之應用上，面板之總厚度極為重要。 圓頂特性最適用於較薄之諧振面板，此係因為π帽蓋或 局部π諧振頻率對薄材料會更有問題。本發明之標準面板 厚度範圍約為0. 2至4厘米。 顯然僅有某些面板材料始能如此變形。此一傳統活塞式 圓頂擴音器材料，亦即絕緣紙，可以如此成形而且亦可擴 展至以泡綿材料來製作，諸如聚苯乙稀、聚氨自旨與Ρ Μ I以 及射出成型之熱塑料，諸如尼龍、ABS或聚丙烯。 在工業上之應用 本發明提供一種簡單方法來增加彎曲波面板擴音器之頻 帶寬度。 元件符號說明Page 6 Article 484337. 89108148 Amendment V. Invention ^^ Figure ^ The use of a dome feature or shape improves the bandwidth of the loudspeaker compared to a traditional flat panel. The flat panel frequency response (thin line) shows the panel π local or cap π resonance at approximately 6 kHz and the isolated harmonics of this resonance at approximately 18 k Η ζ. The plate (thick line) with π-disc ’’ characteristic shows an extended frequency range and a slight spectral vibration at approximately 16 kHz. If necessary, the height of the dome or dish can be changed to improve the bandwidth. Figure 4 shows the effect of using different dome heights (radius) on different types of insulating paper panels (here referred to as painted black S I G paper). Figure 4 clearly shows that a 5 cm dome height (thick line) adds about 2 kHz of useful bandwidth. The resonance frequency of the aperture of a 5 cm high dome is approximately 2 k Η ζ larger than the resonance frequency of the aperture of a 3 cm high dome (thin line). However, a useful range of dome height may be 1 to 7 cm. Exceeding 7 cm or less than 1 cm may only increase the resonance frequency of very small gaps. Obviously, in applications where too high a dome (greater than 7 cm) cannot be used, the total thickness of the panel is extremely important. The dome feature is most suitable for thinner resonant panels because the π cap or local π resonant frequency is more problematic for thin materials. The standard panel thickness of the present invention ranges from about 0.2 to 4 cm. Obviously, only certain panel materials can be so deformed. This traditional piston-type dome speaker material, that is, insulating paper, can be shaped in this way and can also be expanded to be made of foam materials, such as polystyrene, polyurethane, and PM and injection molding. Thermoplastics, such as nylon, ABS or polypropylene. Industrial Application The present invention provides a simple method to increase the frequency band width of a bending wave panel microphone. Component symbol description
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