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1. 发明授权

US07259308B2 Acoustic guitar resonator 失效
标题翻译：声学吉他谐振器
公开(公告)号：US07259308B2
公开(公告)日：2007-08-21
申请号：US11022432
申请日：2004-12-22
申请人： John F. Geiger
发明人： John F. Geiger
IPC分类号： G10D3/02
CPC分类号： G10D3/02
摘要： A resonator assembly includes a resonator, a collector-amplifier, as well as a timbre tray, one or more timbre pieces, and a detector holder. The resonator assembly, designed to be attachable to a conventional acoustic guitar, improves the quality and volume of the conventional guitar. A wood or metal timbre piece or a varying combination thereof may be used according the user's sound preference. The resonator, the collector-amplifier, the timbre holder tray and the detector holder are preferably made from thin brass.
摘要翻译：谐振器组件包括谐振器，集电极放大器以及音色托盘，一个或多个音色片和检测器支架。设计成可以连接到传统的吉他的谐振器组件改善了传统吉他的质量和体积。可以根据用户的声音偏好使用木材或金属音色片或其变化的组合。谐振器，集电极放大器，音色支架托盘和检测器支架优选地由薄铜制成。

2. 发明授权

US07145064B2 Acoustic amplifier and tone controller for stringed musical instruments 失效
标题翻译：用于弦乐器的声学放大器和音调控制器
公开(公告)号：US07145064B2
公开(公告)日：2006-12-05
申请号：US11267750
申请日：2005-11-04
申请人： John F. Geiger
发明人： John F. Geiger
IPC分类号： G10D3/02
CPC分类号： G10D3/00 , G10D3/02
摘要： A sound enhancing device for F-hole stringed instruments, banjos, and drums. The device includes at least one cross-shaped element and a timbre square, which may be part of a larger, user-constructed sound emitter. Strung like beads along a fastener, one or more cross-shaped elements and timbre squares are arrayed between a bridge and terminal retainer. In one embodiment, the cross-shaped element and timbre square are juxtaposed, forming a sound emitter which is mounted within an F-hole instrument's sound chamber; the bridge, positioned above it and astraddle opposing F-hole side edges, collects inaudible sound surface waves and transmits them through the fastener —a knot-free, waxed string under tension—to the sound emitter. There sound waves are amplified by constructive interference, timbre characteristics added, and sound waves transferred into the sound chamber's air. The latter then increase the sound surface waves at the F-hole's edges, setting up a positive feedback loop.
摘要翻译：用于F孔弦乐器，班珠和鼓的增音装置。该装置包括至少一个十字形元件和音色正方形，其可以是较大的用户构造的声音发射器的一部分。沿着紧固件形成的珠子，一个或多个十字形元件和音色正方形排列在桥接器和端子保持器之间。在一个实施例中，十字形元件和音色正方形并置，形成安装在F孔仪器的声室内的声发射器; 位于其上方并跨过相对的F孔侧边缘的桥梁收集无声声表面波，并将它们通过紧固件 - 张紧的无节点打蜡的绳索传送到发声器。声波被建设性的干扰，添加的音色特征以及传入声音室的空气中的声波放大。然后，后者增加F孔边缘的声表面波，建立一个正反馈回路。

3. 发明授权

US5355756A Sound-enhanced stringed musical instruments 失效
标题翻译：声音增强的弦乐器
公开(公告)号：US5355756A
公开(公告)日：1994-10-18
申请号：US017596
申请日：1993-02-16
申请人： John F. Geiger
发明人： John F. Geiger
IPC分类号： G10D1/10 , G10D3/02 , G01D1/10 , G01D1/08 , G01D3/02
CPC分类号： G10D3/02 , G10D1/10
摘要： A banjo has a resonator (24) mounted about the pot (11) and acoustical links (25) that acoustically couple the resonator with the banjo head (14). When the instrument is played acoustical waves pass from the head through the acoustical links to the resonator which amplifies the sound produced by the banjo. An adoption of this invention is also disclosed for a guitar.
摘要翻译：班卓琴具有围绕锅（11）安装的谐振器（24）和将谐振器与班卓琴头（14）声学耦合的声学连杆（25）。当乐器被播放时，声波从头部通过声道传递到放大班卓琴产生的声音的谐振器。吉他也公开了本发明的采用。

4. 发明授权

US06861581B2 Acoustic guitar resonator 失效
标题翻译：声学吉他谐振器
公开(公告)号：US06861581B2
公开(公告)日：2005-03-01
申请号：US10459961
申请日：2003-06-12
申请人： John F. Geiger
发明人： John F. Geiger
IPC分类号： G10D3/02 , G10D3/06
CPC分类号： G10D3/02
摘要： A device that can be easily placed on and removed from an acoustic, stringed instrument, such as an acoustic guitar. When placed on a guitar, the device amplifies and clarifies the sound of the guitar, thereby allowing the guitarist to obtain quality sound and high volume. In addition, the device enables the guitarist control the timbre or sound characteristics of the guitar.
摘要翻译：可轻松放置在声学，弦乐器（如吉他）上的设备上。当放置在吉他上时，该装置放大和澄清吉他的声音，从而允许吉他手获得高质量的声音和高音量。此外，该装置使得吉他手能够控制吉他的音色或声音特征。

5. 发明授权

US5347906A Adjustable stringed instrument mute 失效
标题翻译：可调弦乐器静音
公开(公告)号：US5347906A
公开(公告)日：1994-09-20
申请号：US151276
申请日：1993-11-12
申请人： John F. Geiger
发明人： John F. Geiger
IPC分类号： G10D3/04 , G10D1/10
CPC分类号： G10D3/046
摘要： A mute for stringed instruments such as banjos, guitars, and the like which allows the volume of the sound generated by plucking the strings to be varied without changing the pitch of the instrument. This device comprises a small, elongated cloth bag filled with tiny metallic balls. The bag is sufficiently long that when it is properly mounted on the bridge of the instrument, the bag extends past the points where the two outermost strings cross the bridge, the two outermost strings being disposed proximate opposite ends of the bridge. In use, the beg is mounted partially on the upper edge of the bridge and partially on the strings. The degree of muting, as well as the duration of individual notes once played, varies with the position of the bag on the bridge. The pitch of the strings, however, does not vary. The mute works by absorbing some of the energy of the vibrating strings as first those balls in the bag which are closest to the strings are displaced by the strings and then transmit momentum to adjacent balls.
摘要翻译：用于诸如班霍斯，吉他等的弦乐器的静音，其允许在不改变乐器的音调的情况下改变由琴弦产生的声音的音量。该装置包括一个装满微小金属球的细长布袋。袋子足够长，当其被适当地安装在仪器的桥上时，袋子延伸穿过两个最外面的绳子穿过桥梁的点，两个最外面的绳子被布置在桥的相对端附近。在使用中，乞讨部分地安装在桥的上边缘上，部分地安装在绳上。静音的程度以及一次玩过的个人音符的持续时间随桥上袋子的位置而变化。然而，琴弦的音调并没有变化。静音通过吸收振动弦的一些能量来起作用，因为首先通过琴弦移动最靠近琴弦的那些球，然后将动量传递到相邻的球。

6. 发明授权

US4899634A Bridge for stringed musical instruments 失效
标题翻译：用于弦乐器的桥梁
公开(公告)号：US4899634A
公开(公告)日：1990-02-13
申请号：US335875
申请日：1989-04-10
申请人： John F. Geiger
发明人： John F. Geiger
IPC分类号： G10D3/04
CPC分类号： G10D3/04
摘要： A bridge for a stringed musical instrument comprises a thin wooden body having a bottom base portion adapted to be supported upon a resonant body member of the instrument and a top crown portion that is formed with grooves for holding individual strings. The base and crown portions have opposed edges that are generally parallel with respect to each other. The crown is formed with baffle slits located adjacent the grooves that are oriented obliquely with respect to the crown edge for redirecting sound waves emitting from strings back to the grooves to produce a ringing tonal effect or to the base to reduce sound attenuation within the bridge.
摘要翻译：用于弦乐器的桥梁包括薄木质体，其具有适于被支撑在仪器的共振体构件上的底部基部，以及形成有用于保持单个弦的凹槽的顶部冠部。基部和冠部分具有大致相对于彼此平行的相对边缘。冠部形成有相邻于凹槽的挡板狭缝，其相对于冠边缘倾斜定向，用于将从弦发出的声波重新引导回到凹槽以产生振铃音调效应或者到底部以减小桥内的声音衰减。

7. 发明申请

US20180247617A1 Movable tone amplifier for banjos 审中-公开
公开(公告)号：US20180247617A1
公开(公告)日：2018-08-30
申请号：US15732395
申请日：2017-11-06
申请人： John F. Geiger
发明人： John F. Geiger
IPC分类号： G10D3/02
CPC分类号： G10D3/02 , G10D1/10
摘要： A non-electronic device which extracts energy otherwise lost in a banjo's body and converts it into audible sound that not only adds volume to the sound coming from the head, but also makes the sound waves' high frequency components more pronounced. Readily movable from one attachment site to the next along the inside surface of the banjo's cylindrical rim, the device includes a two-dimensional, made-from-cardstock body and, affixed thereto along one end, an elongated strip of acrylic adhesive tape. Suspended from it within the banjo pot, the body routes sound surface waves coming from the rim to various surface wave-amplifying elements including an asymmetrical array of branches and tiny offshoots extending from them, as well as a pair of staples fastened to one branch and a five-sided, irregular timbre polygon hingedly connected to another branch so as to form, with it, a tiny loudspeaker.

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