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1. 发明专利

JP2019022059A イヤホン审中-公开
公开(公告)号：JP2019022059A
公开(公告)日：2019-02-07
申请号：JP2017138332
申请日：2017-07-14
申请人： YAMAHA CORP
发明人： HATANO AKIRA , OMACHI TAKECHIKA
IPC分类号： H04R1/10
摘要：【課題】指にフィットし易く、取り外し等の操作がし易いイヤホンを提供する。【解決手段】ドライバ本体11と、耳甲介Yに接する第1端31、および第1端31と反対側に位置する第2端32を有する突出部17と、を備える。【選択図】図5

2. 发明专利

JP2013198030A Method for manufacturing diaphragm for loudspeaker 有权
标题翻译：用于制造扬声器的膜片的方法
公开(公告)号：JP2013198030A
公开(公告)日：2013-09-30
申请号：JP2012064908
申请日：2012-03-22
申请人： Yamaha Corp , ヤマハ株式会社
发明人： HATANO AKIRA , OKAZAKI KOJI , NOZAKI AKIHIKO
IPC分类号： H04R31/00 , H04R7/02
摘要： PROBLEM TO BE SOLVED: To restrain investments on die facility by improving a manufacturing yield of a laminate diaphragm for a loudspeaker.SOLUTION: A method for manufacturing a laminate diaphragm for a loudspeaker has: a molding step of molding a lower layer section 10B by hot-pressing a lower layer material 10A of a diaphragm impregnated with thermosetting synthetic resin with dies 32 and 34 of a thermal molding machine 30; a thermal welding layer formation step of coating a thermal welding sheet 12B on the lower layer section 10B; and a molding adhesion step of setting the lower layer section 10B molded and coated with the thermal welding sheet 12B and an upper layer material 16A of the diaphragm not molded in a thermal molding machine 50 and hot-pressing them, and adhering the upper layer section 16B and the lower layer section 10B by the thermal welding sheet 12B while making the upper layer material 16A into a shape of the upper layer section 16B of the diaphragm. While molding the upper layer material 10A into a shape of the upper layer section 16B, the lower layer section 10B is adhered to the upper layer section 16B. Therefore, there is no gap between the lower layer section 10B and the upper layer section 16B, and wrinkles on a surface of the diaphragm can be prevented.
摘要翻译：要解决的问题：通过提高用于扬声器的层压隔膜的制造成品率来限制对模具设备的投资。解决方案：一种用于制造扬声器的层压隔膜的方法具有：通过热成型下层部分10B的模制步骤用热成型机30的模具32和34压住浸渍有热固性合成树脂的隔膜的下层材料10A; 在下层部10B上涂布热熔接片12B的热熔接层形成工序; 以及模塑粘合步骤，将设置热塑性薄片12B的下层部分10B和未模制在热成型机50中的隔膜的上层材料16A进行热压，并将上层部分 16B和下层部分10B，同时使上层材料16A成为隔膜的上层部分16B的形状。在将上层材料10A成型为上层部分16B的形状的同时，下层部分10B粘附到上层部分16B。因此，下层部分10B和上层部分16B之间没有间隙，并且可以防止膜片表面上的皱纹。

3. 发明专利

JP2019022058A ヘッドホン审中-公开
公开(公告)号：JP2019022058A
公开(公告)日：2019-02-07
申请号：JP2017138331
申请日：2017-07-14
申请人： YAMAHA CORP
发明人： HATANO AKIRA , OMACHI TAKECHIKA
IPC分类号： H04R1/10
摘要：【課題】装着感をより向上し、ドライバから出力される音質を維持したままでユーザが聴音できるヘッドホンを提供する。【解決手段】ヘッドホン1は、ヘッドバンド2と、ドライバ44を収納するハウジング4とを備える。ヘッドホン1は、ヘッドバンド2の長さ方向(第1方向X1)の両端のそれぞれにハウジング4を連結し、ヘッドバンド2の長さ方向とは異なる方向を回転軸としてハウジング4を回転させる連結部材3とを更に備える。【選択図】図1

4. 发明专利

JP2013201484A Diaphragm for speaker 审中-公开
标题翻译：背景音箱
公开(公告)号：JP2013201484A
公开(公告)日：2013-10-03
申请号：JP2012067088
申请日：2012-03-23
申请人： Yamaha Corp , ヤマハ株式会社
发明人： OKAZAKI KOJI , HATANO AKIRA , NOZAKI AKIHIKO
IPC分类号： H04R7/12 , H04R7/02 , H04R7/18
CPC分类号： H04R7/18 , H04R7/122 , H04R7/127 , H04R2231/001 , H04R2231/003 , H04R2307/025 , H04R2307/029
摘要： PROBLEM TO BE SOLVED: To provide a diaphragm for a speaker, capable of adjusting the minimum resonance frequency f0 without inviting enlargement of a speaker device or decline of a reproduction sound pressure.SOLUTION: A diaphragm 18 is integrally molded by pressing a sheet-like base material, and includes a diaphragm body part 16 and an edge part 17. The thickness D1 of the diaphragm body part 16 is 0.14 mm, the thickness D2 of a boundary part of the edge part 17 and the diaphragm body part 16 is 0.1 mm, the thickness D3 of a projection part 17A of the edge part 17 is 0.09 mm, and the thickness D4 of a holding part 17B of the edge part 17 is 0.14 mm. Since the edge part 17 is molded into the thickness different from the diaphragm body part 16 in such a manner, the minimum resonance frequency f0 is adjusted without affecting an edge width or weight.
摘要翻译：要解决的问题：为了提供一种用于扬声器的隔膜，能够调节最小谐振频率f0，而不会引起扬声器装置的放大或再现声压的下降。解决方案：隔膜18通过按压片状并且包括光阑主体部分16和边缘部分17.光阑主体部分16的厚度D1为0.14mm，边缘部分17和光阑主体部分16的边界部分的厚度D2为0.1mm 边缘部17的突起部17A的厚度D3为0.09mm，边缘部17的保持部17B的厚度D4为0.14mm。由于边缘部分17以这样的方式模制成不同于膜体部分16的厚度，所以调节最小共振频率f0而不影响边缘宽度或重量。

5. 发明专利

JP2013197867A Electroacoustic conversion apparatus 有权
标题翻译：电动转换装置
公开(公告)号：JP2013197867A
公开(公告)日：2013-09-30
申请号：JP2012062641
申请日：2012-03-19
申请人： Yamaha Corp , ヤマハ株式会社
发明人： HATANO AKIRA
IPC分类号： H04R1/02 , H04R7/14 , H04R9/02
摘要： PROBLEM TO BE SOLVED: To prevent a diaphragm from being damaged or being deformed to the extent that the diaphragm is not restored to an original shape when an external force is applied to the diaphragm in a speaker device having the dome shaped diaphragm.SOLUTION: A speaker device 1 has a mesh protection structure 40, having an envelop surface having a dome shape similar to an inner surface of a diaphragm 21, in a space formed between a top surface of a magnetic circuit 10 and the inner surface of the dome shaped diaphragm 21. An air extractor hole is provided at the center of the magnetic circuit 10. A peripheral part of the protection structure 40 is fixed to a top surface of the top plate 13 of the magnetic circuit 10 by an adhesive material etc.
摘要翻译：要解决的问题：为了防止在具有圆顶形隔膜的扬声器装置中，当在隔膜上施加外力时，隔膜被损坏或变形到不能恢复到原来形状的程度。解决方案：A 扬声器装置1具有网状保护结构40，具有在磁路10的上表面与圆顶形隔膜的内表面之间形成的空间中具有类似于隔膜21的内表面的圆顶形状的包络面在磁路10的中央设置有抽气孔。保护结构40的周边部分通过粘接材料等固定在磁路10的顶板13的上表面。

6. 发明专利

JP2013150136A Speaker 有权
标题翻译：扬声器
公开(公告)号：JP2013150136A
公开(公告)日：2013-08-01
申请号：JP2012008667
申请日：2012-01-19
申请人： Yamaha Corp , ヤマハ株式会社
发明人： SHIOZAWA YASUO , OKAZAKI KOJI , HATANO AKIRA
IPC分类号： H04R1/28 , H04R1/02
摘要： PROBLEM TO BE SOLVED: To reduce deterioration in acoustic property caused by the influence of reflected sound from the baffle plate of a speaker.SOLUTION: A hole 11 is provided in a baffle plate 14 of a speaker SP1. The location of the hole 11 lies in an overlapped area between a first area and a second area; the first area is an area among odd-numbered areas from inside of annular areas AR(k)(k=1,2...) sandwiched by concentric circles that are away from a sound source C for a distance D(k) obtained by multiplying a value DD by (1+2(k-1)) times, the value DD being equal to a quarter wave length of the sound of an mth-order dip frequency, and the second area is an area among even-numbered areas from inside of annular areas AR(i)(i=1,2...) sandwiched by concentric circles that are away from the sound source C for a distance D(i) obtained by multiplying a value DD by (1+4(i-1)) times, the value DD being equal to a quarter wave length of an nth-order peak frequency.
摘要翻译：要解决的问题：减少由扬声器的挡板反射的声音的影响引起的声学特性的劣化。解决方案：扬声器SP1的挡板14中设置有孔11。孔11的位置位于第一区域和第二区域之间的重叠区域中; 第一区域是从被取出的距离D（k）远离声源C的同心圆夹着的环形区域AR（k）（k = 1,2 ...）的内部的奇数区域之间的区域。通过将值DD乘以（1 + 2（k-1））次，值DD等于第m次下降频率的声音的四分之一波长，并且第二区域是偶数编号从通过将值DD乘以（1 + 4）获得的距离D（i）的距离声源C的同心圆夹着的环形区域AR（i）（i = 1,2 ...）（i-1））次，值DD等于n阶峰值频率的四分之一波长。

7. 发明专利

JP2013126023A Speaker 有权
标题翻译：扬声器
公开(公告)号：JP2013126023A
公开(公告)日：2013-06-24
申请号：JP2011272601
申请日：2011-12-13
申请人： Yamaha Corp , ヤマハ株式会社
发明人： SHIOZAWA YASUO , OKAZAKI KOJI , HATANO AKIRA
IPC分类号： H04R1/28 , H04R1/02
CPC分类号： G10K15/00 , H04R1/02 , H04R1/2803 , H04R1/2888
摘要： PROBLEM TO BE SOLVED: To reduce the worsening of acoustic properties due to influence of a reflected sound from a baffle plate of a speaker.SOLUTION: A baffle plate 14 of a speaker 1 is provided with speaker units 11, 12, and 13. The baffle plate 14 is also provided with five notches 15HU, 15HL, 15HR, 15ML, and 15MR. The further the distance from the speaker unit 11, the wider the widths of the notches 15HU, 15HL, and 15HR become. The further the distance from the speaker unit 12, the wider the widths of the notches 15ML and 15MR become.
摘要翻译：要解决的问题：为了减少由于来自扬声器的挡板的反射声音的影响引起的声学特性的恶化。解决方案：扬声器1的挡板14设置有扬声器单元11,12和13.挡板14还设置有五个凹口15HU，15HL，15HR，15ML和15MR。距离扬声器单元11的距离越远，凹口15HU，15HL和15HR的宽度变宽。距离扬声器单元12的距离越远，凹口15ML和15MR的宽度越宽。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2013198069A Diaphragm of electroacoustic conversion device and method for manufacturing the same 审中-公开
标题翻译：电动转换装置的膜片及其制造方法
公开(公告)号：JP2013198069A
公开(公告)日：2013-09-30
申请号：JP2012065594
申请日：2012-03-22
申请人： Yamaha Corp , ヤマハ株式会社
发明人： OKAZAKI KOJI , HATANO AKIRA , NOZAKI AKIHIKO
IPC分类号： H04R7/02 , H04R7/12 , H04R31/00
CPC分类号： H04R31/003 , H04R7/127
摘要： PROBLEM TO BE SOLVED: To enable a deterioration prevention of a base material and maintenance of design quality while leaving enough plasticity in a diaphragm of an electroacoustic conversion device to generate split vibration.SOLUTION: The manufacturing method of a soft-dome type speaker diaphragm comprises the successive steps of: forming a thin layer by spattering processing having a thickness between 20 to 40 nanometers made of a metal or a ceramic material on one surface of a woven fabric using polyparaphenylene benzobisoxazole (PBO); performing resin impregnation and latex coating on the PBO woven fabric on one of whose surfaces the thin layer being formed; and forming the woven fabric into a dome shape with the thin layer being located on the outside (on the opposite side to the surface facing a voice coil).
摘要翻译：要解决的问题：为了在电声转换装置的隔膜中留下足够的可塑性以产生分裂振动，能够防止基材的劣化和维护设计质量。解决方案：软穹顶式扬声器隔膜的制造方法包括以下连续步骤：使用聚对亚苯基苯并双恶唑（PBO）在织物的一个表面上由金属或陶瓷材料制成的厚度在20至40纳米之间的溅射处理形成薄层; 在其表面上形成薄层的PBO织物上进行树脂浸渍和胶乳涂布; 以及将所述织物形成为圆顶形状，其中所述薄层位于外侧（在面向音圈的表面的相对侧）。

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