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1. 发明授权

US4696036A Directional enhancement circuit 失效
标题翻译：定向增强电路
公开(公告)号：US4696036A
公开(公告)日：1987-09-22
申请号：US775437
申请日：1985-09-12
申请人： Stephen D. Julstrom
发明人： Stephen D. Julstrom
IPC分类号： H04S3/00 , H04R5/00
CPC分类号： H04S3/00
摘要： A system for receiving a plurality of audio input signals encoded with sound directions drives a plurality of loudspeakers which are physically arranged to generate apparent sound images in relation to encoded sound directions. The encoded input signals are analyzed for determining whether one encoded sound direction exceeds a predominance threshold with respect to other encoded sound directions. Logic control signals are generated for indicating directionality of predominant sound directions. In response to generated logic signals, the directional stability of the apparent sound images is enhanced.
摘要翻译：用于接收用声音方向编码的多个音频输入信号的系统驱动多个扬声器，这些扬声器被物理布置成相对于已编码的声音方向产生明显的声音图像。对编码的输入信号进行分析，以确定一个已编码的声音方向是否超过相对于其他编码声音方向的优势阈值。生成用于指示主要声音方向的方向性的逻辑控制信号。响应于产生的逻辑信号，视觉声音图像的方向稳定性得到增强。

2. 外观设计

USD274812S Phonograph stylus 失效
公开(公告)号：USD274812S
公开(公告)日：1984-07-24
申请号：US344815
申请日：1982-02-01
申请人： Julius Carlson , Robert L. Deschamps
设计人： Julius Carlson , Robert L. Deschamps

3. 发明授权

US5259036A Diaphragm for dynamic microphones and methods of manufacturing the same 失效
标题翻译：用于动态麦克风的隔膜及其制造方法
公开(公告)号：US5259036A
公开(公告)日：1993-11-02
申请号：US734213
申请日：1991-07-22
申请人： Charles E. Seeler
发明人： Charles E. Seeler
IPC分类号： H04R7/12 , H04R31/00 , H04M25/00
CPC分类号： H04R31/003 , H04R7/125 , H04R7/127 , Y10T156/1052
摘要： A diaphragm for microphones having a laminate structure which imparts damping characteristics to the diaphragm is disclosed. The laminate comprises upper and lower resilient layers composed of a plastic film. The upper and lower layers constrain a center layer composed of an elastomeric material having a high dissipation of vibratory shear motion. Manufacturing techniques for making such diaphragms are disclosed.
摘要翻译：公开了一种用于具有向隔膜施加阻尼特性的叠层结构的麦克风的隔膜。层压板包括由塑料膜构成的上下弹性层。上层和下层限制由具有高耗散的振动剪切运动的弹性体材料构成的中心层。公开了制造这种隔膜的制造技术。

4. 外观设计

USD310082S Seat belt microphone 失效
公开(公告)号：USD310082S
公开(公告)日：1990-08-21
申请号：US113240
申请日：1987-10-26
申请人： Joseph Kehl , Hari Matsuda
设计人： Joseph Kehl , Hari Matsuda

5. 外观设计

USD261652S Power console 失效
公开(公告)号：USD261652S
公开(公告)日：1981-11-03
申请号：US67523
申请日：1979-08-17
申请人： Robert L. Deschamps
设计人： Robert L. Deschamps

6. 发明授权

US4039765A Headset with adjustable microphone support 失效
标题翻译：耳机与可调麦克风支持
公开(公告)号：US4039765A
公开(公告)日：1977-08-02
申请号：US735622
申请日：1976-10-26
申请人： Thomas H. Tichy , Raymond W. Collins
发明人： Thomas H. Tichy , Raymond W. Collins
IPC分类号： H04M1/05
CPC分类号： H04M1/05
摘要： A communications headset in which a unidirectional microphone at the end of a support boom is adjustably secured in a position selected by the wearer. The support boom is clamped under adjustable compression in a ball-and-socket arrangement which, at reduced compression, allows the boom to be moved longitudinally, pivoted about its axis, or pivoted about the center of the ball. The wearer turns a knob to compress the ball-and-socket joint to secure the boom in the position desired. A tube transmitting sound from the receiver to an ear plug is adjustably attached to the headset by means of a second ball-and-socket joint. A pivoting clamp attached to a pivoting temple member permits the microphone support assembly to be switched from one side of the head to the other as desired.

7. 发明授权

US5330695A Method of manufacturing diaphrams for dynamic microphones 失效
标题翻译：动态麦克风制作方法
公开(公告)号：US5330695A
公开(公告)日：1994-07-19
申请号：US88794
申请日：1993-07-08
申请人： Charles E. Seeler
发明人： Charles E. Seeler
IPC分类号： H04R7/12 , H04R31/00 , B32B31/06 , B32B31/20
CPC分类号： H04R31/003 , H04R7/125 , H04R7/127 , Y10T156/1052
摘要： A diaphragm for microphones having a laminate structure which imparts damping characteristics to the diaphragm is disclosed. The laminate comprises upper and lower resilient layers composed of a plastic film. The upper and lower layers constrain a center layer composed of an elastomeric material having a high dissipation of vibratory shear motion. Manufacturing techniques for making such diaphragms are disclosed.
摘要翻译：公开了一种用于具有向隔膜施加阻尼特性的叠层结构的麦克风的隔膜。层压板包括由塑料膜构成的上下弹性层。上层和下层限制由具有高耗散的振动剪切运动的弹性体材料构成的中心层。公开了制造这种隔膜的制造技术。

8. 发明授权

US4887693A Wind and breath noise protector for microphones 失效
标题翻译：用于麦克风的风和呼吸噪音保护器
公开(公告)号：US4887693A
公开(公告)日：1989-12-19
申请号：US65970
申请日：1987-06-24
申请人： Gerald W. Plice
发明人： Gerald W. Plice
IPC分类号： H04R1/08
CPC分类号： H04R1/086 , H04R2410/07 , H04R2499/11
摘要： A construction for housing a microphone is disclosed. The construction is configured to improve the wind and noise protection for a small diameter microphone by providing a large diameter opening tapering to a smaller microphone aperture. The construction comprises a housing for a microphone transducer, and an adapter mateable with the transducer and housing. The adapter includes a plate having a greater diameter than the microphone aperture, and tapering to the smaller microphone diameter opening. In the preferred embodiments of the construction, a windscreen is included covering the tapered portion of the adapter.
摘要翻译：公开了一种用于容纳麦克风的结构。该结构被配置为通过提供朝向更小的麦克风孔径渐缩的大直径开口来改善小直径麦克风的风和噪声保护。该结构包括用于麦克风换能器的壳体，以及可与换能器和壳体配合的适配器。适配器包括具有比麦克风孔径更大的直径并且变细到更小的麦克风直径开口的板。在该结构的优选实施例中，包括覆盖适配器的锥形部分的挡风玻璃。

9. 外观设计

USD292283S Module for teleconference communication 失效
公开(公告)号：USD292283S
公开(公告)日：1987-10-13
申请号：US794482
申请日：1985-11-04
申请人： Hari Matsuda , Carl J. Whitaker
设计人： Hari Matsuda , Carl J. Whitaker

10. 外观设计

USD288560S Tabletop speaker 失效
公开(公告)号：USD288560S
公开(公告)日：1987-03-03
申请号：US597185
申请日：1984-04-05
申请人： Carl R. Anderson
设计人： Carl R. Anderson

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