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    • 8. 发明申请
    • MICROPHONE ENVIRONMENTAL PROTECTION DEVICE
    • 麦克风环境保护装置
    • WO2014110233A1
    • 2014-07-17
    • PCT/US2014/010830
    • 2014-01-09
    • RED TAIL HAWK CORPORATION
    • PARKINS, John, W.
    • H04R1/08
    • H04R1/086H04B1/385H04R1/1075H04R2410/07Y10S2/906Y10S2/909
    • A device for protecting a microphone sensing surface from the detrimental effects of the ambient environment. The device incorporates a perforated surface to protect the microphone and in conjunction with a chamber volume creates an acoustic resonance in the 1kHz to 20kHz spectrum, which improves the microphone signal-to-noise ratio performance. The microphone is acoustically coupled to the chamber volume for sensing pressure of the ambient environment. There is no line of sight to the microphone sensing surface from the ambient environment, so that rain, wind and sand have no direct path to the microphone sensing surface. The perforations of the outer surface are small to prevent objects from contacting the microphone sensing surface via a direct path. Water drains from the chamber volume and does not become trapped if an embodiment of the invention is temporarily submerged so that the microphone returns to normal operation quickly.
    • 用于保护麦克风感测表面免受周围环境的不利影响的装置。 该装置包含有孔表面以保护麦克风,并且与室容积结合产生1kHz至20kHz频谱中的声共振,这提高了麦克风的信噪比性能。 麦克风声学耦合到室体积以感测周围环境的压力。 麦克风感应表面不受环境环境的影响,使得雨,风和沙子无法直接传到麦克风传感器表面。 外表面的穿孔很小,以防止物体经由直接路径与麦克风感测表面接触。 如果本发明的实施例被暂时浸没,使得麦克风恢复正常操作,则从腔体积排出的水不会被捕获。
    • 9. 发明申请
    • MEDICAL EYE SHIELD
    • 医疗眼镜
    • WO1989000844A1
    • 1989-02-09
    • PCT/US1987002608
    • 1987-10-13
    • RUSSELL, John, Patrick
    • A61F09/02
    • G02C7/16A61F9/02A61F9/026G02C3/003Y10S2/909
    • A surgeon's eye shield comprising a thin transparent flexible member (12') having an upper flat edge (14'), a pair of spaced convex edges spaced apart forming a pair of spaced planar portions. The planar portions being joined by a narrowed webbed portion extending integrally between the planar portions. A flexible sealing member (24') extends along the flat edge of the flexible member and a second flexible sealing member (26') extends along the convex edges and a concave edge of the flexible member. An elongated band (32') connected between distal ends of the flexible member attaches the flexible member in an arcuate shape around the head with the spaced planar portions located above and covering the eyes and the narrowed web portion extending transversely across the nose. The sealing members contact and seal against the body portion around the eyes along the length of the seal members to prevent entry of contaminants into the wearer's eyes.
    • 外科医生的眼罩包括具有上平坦边缘(14')的薄透明柔性构件(12'),间隔开的一对隔开的凸缘,形成一对隔开的平面部分。 平面部分由在平坦部分之间整体延伸的窄的网状部分连接。 柔性密封构件(24')沿着柔性构件的平坦边缘延伸,并且第二柔性密封构件(26')沿着柔性构件的凸形边缘和凹形边缘延伸。 连接在柔性构件的远端之间的细长带(32')将柔性构件以弓形的形式围绕头部附接,并且间隔开的平面部分位于眼睛之上并覆盖眼睛,并且狭窄腹板部分横向延伸穿过鼻子。 密封构件沿着密封构件的长度接触和密封眼睛周围的身体部分,以防止污染物进入穿戴者的眼睛。