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1. 发明申请

US20120052303A1 ACOUSTIC SHEET AND METHOD OF MANUFACTURING ACOUSTIC SHEET 审中-公开
标题翻译：声学表及制造声学表面的方法
公开(公告)号：US20120052303A1
公开(公告)日：2012-03-01
申请号：US13219452
申请日：2011-08-26
申请人： Hiroshi Nakashima , Katsunori Suzuki , Toshiharu Fukushima , Yukimasa Okumura , Kiminori Inoue
发明人： Hiroshi Nakashima , Katsunori Suzuki , Toshiharu Fukushima , Yukimasa Okumura , Kiminori Inoue
IPC分类号： B32B9/04 , B29C67/00
CPC分类号： B29C67/0011 , B29C71/0063 , B29K2995/0001 , G10K11/168 , Y10T156/1105 , Y10T428/31504
摘要： In an acoustic sheet which can be used as a head material of a percussion instrument or a head material for a sound box of a string instrument, a plurality of change regions having a crystalline orientation different from a base are dispersed into the base made of a synthetic resin sheet having a uniform crystalline orientation. The acoustic sheet can include a delamination which is formed by delaminating the synthetic resin sheet in a thickness direction.
摘要翻译：在可用作打击乐器的头部材料或弦乐器的音箱的头部材料的声学片中，具有不同于基底的结晶取向的多个变化区域被分散到由具有均匀结晶取向的合成树脂片。声学薄片可以包括通过使合成树脂薄片沿厚度方向分层而形成的分层。

2. 发明授权

US06949701B2 Drumhead 有权
标题翻译：鼓手
公开(公告)号：US06949701B2
公开(公告)日：2005-09-27
申请号：US10345299
申请日：2003-01-16
申请人： Yukimasa Okumura
发明人： Yukimasa Okumura
IPC分类号： G10D13/02
CPC分类号： G10D13/027
摘要： A drumhead for use in a percussion instrument is composed of multiple (e.g., two or three) plies of synthetic resin films, which are laminated together and are brought into close contact with each other when stretched across the opening of a hollow cylinder of a drum, for example. At least one air evacuation hole is formed at the center of the backside synthetic resin film or in proximity to the center of the backside synthetic resin film. Therefore, when the drumhead is stretched outwardly along a diameter direction of the opening of the hollow cylinder of the drum, remaining air between the films can be reliably evacuated from the air evacuation hole towards the exterior of the drumhead. Thus, it is possible to reduce unwanted loss in transmission of vibration between the films of the drumhead when beaten; hence, it is possible to realize good sound quality in the drum.
摘要翻译：用于打击乐器的鼓头由多个（例如两个或三个）合成树脂薄膜组成，它们被层叠在一起，并且当拉伸穿过滚筒的中空圆筒的开口时彼此紧密接触，例如。在背面合成树脂薄膜的中心或背面合成树脂薄膜的中心附近形成至少一个排气孔。因此，当鼓头沿着滚筒的中空圆筒的开口的直径方向向外拉伸时，膜之间的剩余空气可以从排气孔可靠地朝向鼓头外部排出。因此，可以减少在打击时鼓鼓的薄膜之间的振动传播的不必要的损失; 因此，可以在鼓中实现良好的音质。

3. 发明授权

US5587544A Drum 失效
标题翻译：鼓
公开(公告)号：US5587544A
公开(公告)日：1996-12-24
申请号：US443581
申请日：1995-05-17
申请人： Junji Fujii , Yukimasa Okumura
发明人： Junji Fujii , Yukimasa Okumura
IPC分类号： G10D13/00 , G10D13/02
CPC分类号： G10D13/02
摘要： A drum producing a wooden tom-tom sound free of any disharmony including reinforcement rings made of wood, plastic, etc. and fastened to both ends of the shell and batter heads stretched over these reinforcement rings with no parts for holding the batter heads projecting beyond the batter heads level, thus making a conventional rim shot impossible but a stick-playing method or edge shot in which the batter head and the reinforcement ring are simultaneously struck with a stick possible.
摘要翻译：一个制作木制汤姆声音的木制汤姆音，没有任何不协调，包括由木材，塑料等制成的加固环，并固定在外壳和面糊头的两端，这些加强环被拉伸在这些加强环上，没有任何部分保持面糊突出超出面糊头水平，因此使传统的轮辋投篮不可能，但是棒球方法或边缘射门，其中面糊头和加强环可以同时被撞击。

4. 发明申请

US20100005946A1 DRUM SHELL 审中-公开
标题翻译：鼓壳
公开(公告)号：US20100005946A1
公开(公告)日：2010-01-14
申请号：US12487043
申请日：2009-06-18
申请人： Toshitaka Yoshino , Yukimasa Okumura , Hiroyasu Abe , Takuya Abe , Hironao Nagashima
发明人： Toshitaka Yoshino , Yukimasa Okumura , Hiroyasu Abe , Takuya Abe , Hironao Nagashima
IPC分类号： G10D13/02 , B32B21/04 , B29C59/02
CPC分类号： G10D13/028 , Y10T428/1348
摘要： A drum shell is constituted of at least one laminate wood in which at least one fiber-reinforced layer (e.g. a carbon fabric) is inserted between two wooden materials via the adhesive and which is rolled up in a cylindrical shape. By setting the mass per unit area of the fiber-reinforced layer ranging from 5 g/m2 to 75 g/m2, it is possible to prevent the detachment of fibers inside the fiber-reinforced layer while controlling the shearing loss with respect to the laminate wood. The drum shell is equipped with at least one drumhead so as to produce a drum with a high sound quality and with a fine-grained exterior appearance.
摘要翻译：鼓壳由至少一层层压木板构成，其中至少一个纤维增强层（例如碳布）经由粘合剂插入两个木质材料之间并且卷起成圆柱形。通过将纤维增强层的每单位面积的质量设定为5g / m 2〜75g / m 2，可以防止纤维增强层内的纤维的分离，同时控制相对于层压体的剪切损失木。鼓壳配备有至少一个鼓头，以便产生具有高音质和细粒外观的鼓。

5. 发明授权

US06762353B2 Percussion instrument head 有权
标题翻译：打击乐器头
公开(公告)号：US06762353B2
公开(公告)日：2004-07-13
申请号：US10345925
申请日：2003-01-17
申请人： Yukimasa Okumura
发明人： Yukimasa Okumura
IPC分类号： G10D1302
CPC分类号： G10D13/027
摘要： A percussion instrument head is composed of a synthetic resin film (e.g., a PET film) having a prescribed thickness, which is subjected to chemical etching using a prescribed solution (e.g., an alkali solution), thus processing at least one surface thereof to be rough. Irregularities are formed in substantially uniform sizes and dimensions on the rough surface of the film, wherein hydrolysis processing advances firstly on the surface of the film, which are gradually dissolved or decomposed. Thus, it is possible to simulate the exterior appearance and flexibility of the conventional natural-leather head, and it is possible to produce sharp and articulated sounds having balanced pitches (or intervals) when playing the percussion instrument head composed of the synthetic resin film, which can simulate the property of sound of the conventional natural-leather head. After completion of chemical etching, the film is coated with an epoxy resin, for example.
摘要翻译：打击乐器头由具有规定厚度的合成树脂膜（例如，PET膜）组成，其使用规定的溶液（例如碱溶液）进行化学蚀刻，从而将其至少一个表面加工成粗。在膜的粗糙表面上形成基本均匀的尺寸和尺寸的不规则性，其中水解处理首先在膜的逐渐溶解或分解的表面上前进。因此，可以模拟传统天然皮革头部的外观和柔韧性，并且可以在播放由合成树脂膜构成的打击乐器头时产生具有平衡间距（或间隔）的清晰和铰接的声音，这可以模拟传统天然皮革头的声音的属性。在化学蚀刻完成之后，例如用环氧树脂涂覆该膜。

6. 发明授权

US06689944B1 Drum acoustic wire and drum 有权
标题翻译：鼓声线和鼓
公开(公告)号：US06689944B1
公开(公告)日：2004-02-10
申请号：US09546967
申请日：2000-04-11
申请人： Yukimasa Okumura
发明人： Yukimasa Okumura
IPC分类号： G10D302
CPC分类号： G10D13/025
摘要： An acoustic wire for a drum comprising a single long wire made of metal, resin, etc. and strung in a plurality of turns between a pair of supporting members. The single long wire in the form of a plurality of parallel acoustic wires comes into contact with the drum head when the supporting members are moved toward the drum head. The acoustic wire provides a long attenuation time of the vibration of the acoustic wire and large quantity of sound.
摘要翻译：一种用于滚筒的声线，包括由金属，树脂等制成的单个长线，并且在一对支撑构件之间以多个匝串联。当支撑构件向鼓头移动时，多根平行声线形式的单根长线与鼓头接触。声线提供了声线的振动的长衰减时间和大量的声音。

7. 发明授权

US4787286A Snare mechanism for a drum 失效
标题翻译：鼓的机械圈
公开(公告)号：US4787286A
公开(公告)日：1988-11-29
申请号：US084618
申请日：1987-08-12
申请人： Yukimasa Okumura
发明人： Yukimasa Okumura
IPC分类号： G10D13/02
CPC分类号： G10D13/025
摘要： In construction of a drum having a cylindrical stem and fore side and rear side drum heads attached to both open ends of the stem, a snappy is arranged within said stem facing the inner surface of the fore side drum head with an adjustable clearance and at adjustable tension for easy generation of musical tones of rich rising characteristics and rich tone volume over the entire tone range.
摘要翻译：在具有圆柱形杆的鼓的构造中，前端和后侧鼓头附接到杆的两个开口端，在所述杆内面向前侧鼓头的内表面布置有可调节的间隙，并且可调节张力容易产生丰富的上升特征和丰富的音量在整个音调范围内的音乐。

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