专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5025474A Speaker system with image projection screen 失效
标题翻译：带影像投影屏的扬声器系统
公开(公告)号：US5025474A
公开(公告)日：1991-06-18
申请号：US249954
申请日：1988-09-27
申请人： Tsuneo Tanaka , Kazue Sato , Hiroyuki Takewa , Akira Kurozuka , Tadashi Tamura , Katsuji Hattori , Satoshi Takayama , Kosaku Murata , Katsuaki Satoh , Mituhiko Serikawa , Youichi Kimura , Shuichi Obata
发明人： Tsuneo Tanaka , Kazue Sato , Hiroyuki Takewa , Akira Kurozuka , Tadashi Tamura , Katsuji Hattori , Satoshi Takayama , Kosaku Murata , Katsuaki Satoh , Mituhiko Serikawa , Youichi Kimura , Shuichi Obata
IPC分类号： G03B21/56 , H04R1/02 , H04R7/04 , H04R9/06
CPC分类号： H04R1/02 , G03B21/565 , H04R7/04 , H04R9/063
摘要： A speaker system has an acoustic diaphragm and an image projection screen provided on a surface of the diaphragm integrally therewith so as to enable the user to enjoy both realistic image on the screen and powerful sound reproduced through the diaphragm. The rear surface of the diaphragm is closed at a peripheral portion thereof while the central portion of the rear surface of the diaphragm is opened to the exterior, so that the speaker system can provide a high level of reproduced sound pressure in low-pitched region, while the thickness of the speaker is reduced remarkably. The diaphgram can be driven by a plurality of driving units so that the speaker system can operate only with an ordinary stereophonic amplifier. The diaphragm can be composed of a pair of diaphragm elements capable of vibrating independently of each other and the screen may be integrally and commonly attached to the surfaces of these diaphragm elements in such a manner as to allow the diaphragm elements to vibrate independently of each other, whereby the speaker system can operate in stereophonic mode. Any variation in the acoustic characteristic attributable to variation in the condition of installation is compensated for by a change in the ratio of the opened area of the rear surface of the diaphragm to the whole effective vibration area or by a selective provision of a sound absorbing member on the rear side of the cabinet.
摘要翻译：扬声器系统具有隔膜和与其一体地设置在隔膜表面上的图像投影屏幕，以使用户能够欣赏屏幕上的逼真图像和通过隔膜再现的强大声音。隔膜的后表面在其周边部分封闭，同时隔膜的后表面的中心部分向外开放，从而扬声器系统可以在低音区域提供高水平的再现声压，而扬声器的厚度显着降低。可以通过多个驱动单元来驱动该图像，使得扬声器系统只能用普通的立体声放大器操作。隔膜可以由能够彼此独立地振动的一对隔膜元件构成，并且屏幕可以一体地并且共同地附接到这些隔膜元件的表面，以允许隔膜元件彼此独立地振动由此扬声器系统可以以立体声模式操作。通过改变隔膜后表面的开口面积与整个有效振动面积之间的比例，或通过选择性地设置吸音构件来补偿由于安装条件的变化引起的声学特性的任何变化在机柜的后侧。

2. 发明授权

US5073946A Thin speaker having an enclosure with an open portion and a closed portion 失效
标题翻译：具有开放部分和封闭部分的外壳的薄型扬声器
公开(公告)号：US5073946A
公开(公告)日：1991-12-17
申请号：US441918
申请日：1989-11-28
申请人： Katsuaki Satoh , Kazue Sato , Kousaku Murata , Tsuneo Tanaka , Shuji Saiki , Satoshi Takayama , Hiroyuki Takewa , Mitsuhiko Serikawa , Seiichi Ishikawa , Sawako Usuki , Yoichi Kimura , Shuichi Obata
发明人： Katsuaki Satoh , Kazue Sato , Kousaku Murata , Tsuneo Tanaka , Shuji Saiki , Satoshi Takayama , Hiroyuki Takewa , Mitsuhiko Serikawa , Seiichi Ishikawa , Sawako Usuki , Yoichi Kimura , Shuichi Obata
IPC分类号： H04R1/28 , H04R1/34 , H04R7/04
CPC分类号： H04R1/2834 , H04R1/345 , H04R7/04
摘要： A speaker which is thin but which is capable of providing high-fidelity reproduction and ensuring a suitable level of sound pressure even when it is brought close to a wall. A closed chamber is formed behind one part of a disphragm mounted in an enclosure, and an open chamber is formed behind another part of the diaphragm. At least one voice coil driver unit is connected to the diaphragm. The phase difference between sounds radiated from the front and rear surfaces of the diaphragm is increased as large as possible by using an acoustic duct for the sound radiated through the open chamber, thereby minimizing cancellation of sounds and improving the sound pressure level.

3. 发明授权

US4803242A Diaphragm for loudspeakers 失效
标题翻译：扬声器隔膜
公开(公告)号：US4803242A
公开(公告)日：1989-02-07
申请号：US80923
申请日：1987-08-03
申请人： Kousaku Murata , Satoshi Takayama , Hiroyuki Takewa , Shuji Saiki , Tsuneo Tanaka
发明人： Kousaku Murata , Satoshi Takayama , Hiroyuki Takewa , Shuji Saiki , Tsuneo Tanaka
IPC分类号： H04R7/02 , C08L1/02 , C08L5/08 , C08L51/02 , H04R9/06
CPC分类号： H04R7/02
摘要： A diaphragm for loudspeakers comprises chitin as a natural high polymeric material having a large value of Young's modulus and kraft pulp having large mechanical internal loss. Therefore, the deformation and the partial vibrations of the diaphragm during diaphragm operation do not come out due to the use of the chitin, because the flexural rigidity of the diaphragm is considerably large. Mechanical internal loss is also large owing to the use of the kraft pulp. As a result, it is possible to obtain a loudspeaker which has little fluctuation in frequency response, and which provides a superior sound pressure-frequency response, a superior distortion factor and a superior phase response.
摘要翻译：用于扬声器的隔膜包括甲壳素，其具有大的杨氏模量值和牛皮纸浆具有大的机械内部损耗的天然高分子材料。因此，由于膜片的弯曲刚性相当大，因此膜片操作期间膜片的变形和部分振动由于使用甲壳素而不会出现。由于使用牛皮纸浆，机械内部损失也很大。结果，可以获得频率响应波动小的扬声器，并且提供优异的声压频率响应，优异的失真因子和优异的相位响应。

4. 发明授权

US4484383A Method of manufacturing a speaker diaphragm 失效
标题翻译：扬声器振膜的制造方法
公开(公告)号：US4484383A
公开(公告)日：1984-11-27
申请号：US390609
申请日：1982-06-21
申请人： Hiroyuki Takewa , Katsuaki Satoh , Seiichi Ishikawa
发明人： Hiroyuki Takewa , Katsuaki Satoh , Seiichi Ishikawa
IPC分类号： H04R7/10 , H04R31/00 , B29D17/00 , B21D35/00
CPC分类号： H04R31/003 , H04R7/10 , Y10T156/1003 , Y10T29/49575 , Y10T29/49906 , Y10T428/24149
摘要： A multi-layer block to be developed into a disk having a honeycomb construction is initially developed into a columnar block, and then the bottom of the columnar block is radially developed for obtaining a core of a speaker diaphragm. A suitable circular thin layer is attached to the top and bottom of the core to complete a diaphragm. The columnar block may be developed by means of a cone-shaped tool into a truncated cone, and this truncated cone may be further developed into a flat disk by applying a force to the top thereof. Since the forces on development are applied to the block uniformly, the density of hexagonal sections of the honeycomb construction is uniform throughout the entire circumference of the core providing superior speaker characteristics.
摘要翻译：开发成具有蜂窝结构的盘的多层块最初被开发成柱状块，然后将柱状块的底部径向展开以获得扬声器隔膜的芯。将合适的圆形薄层连接到芯的顶部和底部以完成隔膜。柱状块可以通过锥形工具显影成截头圆锥体，并且该截锥体可以通过向其顶部施加力而进一步显影成平盘。由于开发力均匀地应用于块体，蜂窝结构的六边形部分的密度在芯的整个圆周上是均匀的，从而提供优异的扬声器特性。

5. 发明授权

US4899390A Thin speaker having an enclosure within an open portion and a closed portion 失效
标题翻译：薄型扬声器具有开口部分内的外壳和封闭部分
公开(公告)号：US4899390A
公开(公告)日：1990-02-06
申请号：US96528
申请日：1987-09-15
申请人： Hiroyuki Takewa , Mitsuhiko Serikawa , Seiichi Ishikawa , Sawako Usuki , Yoichi Kimura , Shuichi Obata
发明人： Hiroyuki Takewa , Mitsuhiko Serikawa , Seiichi Ishikawa , Sawako Usuki , Yoichi Kimura , Shuichi Obata
IPC分类号： H04R1/28 , H04R1/34 , H04R7/04
CPC分类号： H04R1/2834 , H04R1/345 , H04R7/04
摘要： A speaker which is thin but which is capable of providing high-fidelity reproduction and ensuring a suitable level of sound pressure even when it is brought close to a wall. A closed chamber is formed behind one part of a diaphragm mounted in an enclosure, and an open chamber is formed behind another part of the diaphragm. At least one voice coil drive unit is connected to the diaphragm. The phase difference between sounds radiated from the front and rear surfaces of the diaphragm is increased as large as possible by using an acoustic duct for the sound radiated through the open chamber, thereby minimizing cancellation of sounds and improving the sound pressure level.
摘要翻译：扬声器虽然薄但能够提供高保真的再现性，并且即使当靠近墙壁时也能确保合适的声压水平。在安装在外壳中的隔膜的一部分之后形成封闭的室，并且隔膜的另一部分后面形成开放室。至少一个音圈驱动单元连接到隔膜。通过使用用于通过开放室辐射的声音的声管，尽可能地增大从隔膜的前表面和后表面辐射的声音之间的相位差，从而最小化声音的消除和提高声压级。

6. 发明授权

US06305491B2 Speaker 有权
标题翻译：扬声器
公开(公告)号：US06305491B2
公开(公告)日：2001-10-23
申请号：US09306872
申请日：1999-05-07
申请人： Mikio Iwasa , Hiroyuki Takewa , Kazue Sato , Mitsuhiro Hasegawa
发明人： Mikio Iwasa , Hiroyuki Takewa , Kazue Sato , Mitsuhiro Hasegawa
IPC分类号： H04R700
CPC分类号： H04R7/20 , H04R2307/207
摘要： A speaker includes a diaphragm, a frame accommodating the diaphragm and an edge attached to an outer periphery of the diaphragm as well as to an inner periphery of the frame so as to retain the diaphragm within an interior of the frame. The edge has a thickness which is smallest at substantially a central portion between the diaphragm and the frame and the vicinity thereof, and increases toward the diaphragm and the frame.
摘要翻译：扬声器包括隔膜，容纳隔膜的框架和附接到隔膜的外周边的边缘以及框架的内周边，以将隔膜保持在框架的内部。该边缘的厚度在隔膜和框架及其附近之间的基本上中心部分处最小，并且朝向隔膜和框架增加。

7. 发明授权

US08422727B2 Electro-acoustical transducer 有权
标题翻译：电声换能器
公开(公告)号：US08422727B2
公开(公告)日：2013-04-16
申请号：US12181073
申请日：2008-07-28
申请人： Hiroyuki Takewa
发明人： Hiroyuki Takewa
IPC分类号： H04R1/00 , H04R9/06 , H04R11/02
CPC分类号： H04R9/06
摘要： An electro-acoustical transducer of the present invention includes: a diaphragm of an elongated shape; a first magnet of a parallelepiped shape which is situated at a side of one principal surface of the diaphragm such that long sides thereof are in parallel with long sides of the diaphragm, and which is polarized in a short side direction to form a magnetic gap; a second magnet of a parallelepiped shape which is situated next to the first magnet in the short side direction of the diaphragm, such that long sides thereof are in parallel with the long sides of the diaphragm, and which is polarized toward a direction in a manner opposite to the first magnet so as to form a magnetic gap; and a coil of an elongated ring shape which is situated on the diaphragm such that long sides thereof are situated in the magnetic gaps.
摘要翻译：本发明的电声换能器包括：细长形状的隔膜; 平行六面体形状的第一磁体位于隔膜的一个主表面的一侧，使得其长边与隔膜的长边平行，并且在短边方向上极化以形成磁隙; 平行六面体形状的第二磁体，其在隔膜的短边方向上位于第一磁体旁边，使得其长边与隔膜的长边平行，并且朝向该方向的方向偏振与第一磁体相对以形成磁隙; 以及细长环状的线圈，其位于隔膜上，使得其长边位于磁隙中。

8. 发明授权

US08094864B2 Diaphragm unit and speaker using the same 失效
标题翻译：隔膜单元和扬声器使用相同
公开(公告)号：US08094864B2
公开(公告)日：2012-01-10
申请号：US12160649
申请日：2007-04-09
申请人： Atsushi Inaba , Hiroyuki Takewa
发明人： Atsushi Inaba , Hiroyuki Takewa
IPC分类号： H04R1/00
CPC分类号： H04R7/20 , H04R2307/207
摘要： A diaphragm unit is arranged to be used in a loudspeaker including a frame. The diaphragm includes a diaphragm and an edge joined to an outer periphery of the diaphragm. The diaphragm extends in a longitudinal direction and has a first center line extends along the longitudinal direction. The edge has an outer periphery being arranged to join to the frame, and an inner periphery joined to the outer periphery of the diaphragm. The edge has a convex surface having substantially a semi-circular cross section. The convex surface of the edge has grooves provided therein. The grooves extend from the inner periphery of the edge to the outer periphery of the edge. The grooves have cross sections each having a U-shape or a V-shape, and are arranged symmetrically about the first center line of the diaphragm. This diaphragm unit provides an elongated loudspeaker reproducing bass sounds with small distortions.
摘要翻译：隔膜单元布置成用于包括框架的扬声器中。隔膜包括隔膜和连接到隔膜外周的边缘。隔膜沿纵向方向延伸并且具有沿着纵向方向延伸的第一中心线。所述边缘具有外周边，所述外周被布置为连接到所述框架，以及连接到所述隔膜的外周的内周。边缘具有基本上具有半圆形横截面的凸形表面。边缘的凸面具有设置在其中的凹槽。凹槽从边缘的内周边延伸到边缘的外周边。凹槽具有各自具有U形或V形的横截面，并且围绕隔膜的第一中心线对称布置。这个隔膜单元提供了一个细长的扬声器，重现低音，具有很小的失真。

9. 发明授权

US07447328B2 Loudspeaker 有权
标题翻译：喇叭
公开(公告)号：US07447328B2
公开(公告)日：2008-11-04
申请号：US10917423
申请日：2004-08-13
申请人： Hiroyuki Takewa , Mikio Iwasa , Atsushi Inaba , Satoshi Koura
发明人： Hiroyuki Takewa , Mikio Iwasa , Atsushi Inaba , Satoshi Koura
IPC分类号： H04R1/00
CPC分类号： H04R9/04 , H04R7/04 , H04R9/045 , H04R9/06 , H04R2307/021 , H04R2307/025
摘要： A loudspeaker includes a diaphragm, an edge, and a voice coil. The diaphragm includes a groove having a concave cross section. Also, the diaphragm is in a horizontally or vertically elongated shape. The edge is coupled to an outer circumference of the diaphragm, and has a roughly half-round shaped cross section. The voice coil is bonded to the groove. The voice coil is thicker than a depth of the groove. Also, the voice coil has a cross section in which a dimension in a direction along a plane of the diaphragm is longer than a dimension in a direction perpendicular to the plane of the diaphragm.
摘要翻译：扬声器包括隔膜，边缘和音圈。隔膜包括具有凹形横截面的凹槽。此外，隔膜是水平或垂直伸长的形状。该边缘连接到隔膜的外周，并且具有大致半圆形的横截面。音圈接合到凹槽。音圈厚于凹槽的深度。此外，音圈具有横截面，其中沿着隔膜的平面的方向上的尺寸比垂直于隔膜平面的方向的尺寸长。

10. 发明授权

US4751739A Apparatus and method for controlling tone quality 失效
标题翻译：用于控制音质的装置和方法
公开(公告)号：US4751739A
公开(公告)日：1988-06-14
申请号：US921768
申请日：1986-10-22
申请人： Mitsuhiko Serikawa , Akihisa Kawamura , Hiroyuki Takewa , Katsuaki Sato
发明人： Mitsuhiko Serikawa , Akihisa Kawamura , Hiroyuki Takewa , Katsuaki Sato
IPC分类号： H03G5/02 , H03G5/16 , H04R3/14 , H03G5/00
CPC分类号： H03G5/165
摘要： A digital signal represents a desired amplitude frequency characteristic. A desired transmission characteristic is derived from the desired amplitude frequency characteristic. A sound signal is processed in accordance with the desired transmission characteristic. The processed sound signal is converted by a speaker into corresponding sound. The process of the sound signal corrects and compensates for the original sound pressure frequency characteristic of the speaker and thereby actualizes the desired amplitude frequency characteristic.
摘要翻译：数字信号表示期望的振幅频率特性。从期望的幅度频率特性导出期望的传输特性。根据期望的传输特性来处理声音信号。经处理的声音信号由扬声器转换为相应的声音。声音信号的处理校正和补偿扬声器的原始声压频率特性，从而实现期望的振幅频率特性。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式