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    • 62. 发明授权
    • Sound or ultrasound sensor
    • 声音或超声波传感器
    • US5726952A
    • 1998-03-10
    • US847714
    • 1997-04-28
    • Manfred EckertKarl Flogel
    • Manfred EckertKarl Flogel
    • B06B1/06G10K13/00H04R17/00
    • B06B1/0618G10K13/00
    • A sound or ultrasound sensor is provided for transmitting and/or receiving sound or ultrasound, which is mechanically robust and chemically resistant and which has an adjustable emission characteristic, for example having a preferably small beam angle, having an emitting element (3) which has a flat front surface (34), and having a transducer element (1), the transducer element (1) causing the front surface (34) to oscillate on the basis of an excitation frequency, such that the entire front surface (34) carries out virtually in-phase deflections with virtually equal amplitude parallel to the normal to the front surface (34), and in which sensor concentric webs (32) are arranged on the front surface, there being a concentric gap (33) in each case between two adjacent webs (32), and a disk (5) sealing the sound or ultrasound sensor flush at the front, which disk is firmly connected to the webs (32) and has segments which are not connected to the webs (32) and are used as membranes (51).
    • 提供用于传输和/或接收声音或超声波的声音或超声波传感器,该声音或超声波机械地坚固耐用且耐化学腐蚀,并具有可调节的发射特性,例如具有优选小的波束角,具有发射元件(3) 平坦的前表面(34),并且具有换能器元件(1),换能器元件(1)使得前表面(34)基于激励频率振荡,使得整个前表面(34)携带 以平行于前表面(34)的法线的几乎相等的振幅出现实质上的同相偏转,并且其中传感器同心腹板(32)布置在前表面上,在每个情况下存在同心间隙(33) 两个相邻的腹板(32)和一个密封声音或超声波传感器的盘(5)在前面齐平,该盘与腹板(32)牢固地连接,并具有未连接到腹板(32)的节段, 用作膜(51)。
    • 64. 发明授权
    • Acoustic vibration plate
    • 声振板
    • US5473121A
    • 1995-12-05
    • US883547
    • 1992-05-15
    • Masaru Uryu
    • Masaru Uryu
    • D21J7/00H04R7/02H04R7/12H04R31/00G10K13/00
    • H04R7/127H04R31/003H04R7/125
    • An acoustic diaphragm employed in a speaker or the like and a method for producing the acoustic diaphragm are disclosed. A diaphragm substrate is a diaphragm exhibiting air permeability such as a paper diaphragm. The substrate is processed with filling by microfibrilated pulp. For filling, the substrate is immersed in the liquid dispersion of the microfibrilated pulp and the pulp is deposited on the substrate under suction. When the microfibrilated pulp is deposited on the substrate under suction, any voids present in the substrate are closed by the microfibrilated pulp so that air tightness is improved without lowering the sound quality or detracting from desirable properties of the diaphragm, such as low density, high toughness and low losses.
    • 公开了一种在扬声器等中使用的声学隔膜以及用于制造声膜的方法。 隔膜基板是表现透气性的隔膜诸如纸张隔膜的隔膜。 用微纤维化纸浆填充底物。 为了填充,将基板浸入微纤维化纸浆的液体分散体中,并且在抽吸下将纸浆沉积在基材上。 当微纤维化纸浆在抽吸下沉积在基材上时,基质中存在的任何空隙都被微纤维化的纸浆封闭,使得气密性得到改善,而不降低声音质量或降低隔膜的期望性能,例如低密度,高 韧性低损失。
    • 66. 发明授权
    • Noise cancelling microphone
    • 降噪麦克风
    • US5329593A
    • 1994-07-12
    • US59138
    • 1993-05-10
    • John J. LazzeroniMelinda K. Carevich
    • John J. LazzeroniMelinda K. Carevich
    • H04R1/38H04R25/00G10K13/00
    • H04R1/38H04R2201/023
    • A noise cancelling microphone for use in noisy environments is disclosed wherein noise entering the front portion of the microphone housing to impinge upon the microphone cartridge diaphragm is also permitted to enter proximate the rear portion of the microphone housing through strategically located inlet openings. This allows noise to impinge upon the back surface of the microphone cartridge diaphragm to effect a cancellation of diaphragm vibrations. These strategically located inlet openings at the top and the bottom of the rear of the microphone housing are situated so as to be directionally orientated towards the greatest source of the noise, namely orthagonal to the directional line of the front inlet openings and out of the path of the incoming air. The size and number of the top and bottom rear inlet openings are regulated and situated so that as the microphone is used in such a setting as a motorcycle rider, they are vertically oriented since the greatest source of noise (outside of horizontal wind) is above or below the operator.
    • 公开了一种用于噪声环境的噪声消除麦克风,其中进入麦克风壳体的前部以撞击麦克风盒隔膜的噪声也被允许通过位于策略位置的入口开口进入麦克风外壳的后部附近。 这允许噪声撞击到麦克风暗盒隔膜的背面以实现隔膜振动的消除。 位于麦克风壳体后部顶部和底部的这些位于战略位置的入口开口位于朝向最大噪声源的方向上定向,即朝向前入口开口的方向线的正交方向,并且离开路径 的进来的空气。 顶部和底部后部入口开口的尺寸和数量被调节和定位,使得当麦克风用于摩托车骑行者的这样的设置中时,它们是垂直定向的,因为最大的噪声源(水平风外)高于 或低于操作员。
    • 67. 发明授权
    • Paper cone for cone type speaker
    • 圆锥式扬声器纸锥
    • US5256837A
    • 1993-10-26
    • US787319
    • 1991-10-30
    • Il Y. Pak
    • Il Y. Pak
    • H04R7/12H04R7/14G10K13/00
    • H04R7/14H04R7/12
    • A cone formed from paper such as used in speaker as a diaphragm, wherein the wing portions, which may function to reinforce the cone, are selectively arranged and extending from any point in the periphery of the larger diameter circle to any point in the smaller diameter circle of the cone which has a frusto-conical shape and a coating layer is applied to the entire surface of the cone, and a method for making a cone using a sheet of paper, wherein the method comprises steps of cutting a sheet of paper into a desired pattern simultaneously with seaming at least a pair of folding portions composed of a centeral folding line and two lateral folding lines equi-angularly and symmetricaly displaced to each side of the center line, forming wing portions by folding said lines, honding the facing surfaces of the folded portions and, coating the entire surface of the entire surface of the cone with moisture-proof material.
    • 由诸如扬声器中用作隔膜的纸形成的锥体,其中可以用于加强锥体的翼部分被选择性地布置并从较大直径圆周边的任何点延伸到更小直径的任何点 将具有截头圆锥形状的锥体的圆形和涂层施加到锥体的整个表面,以及使用一张纸制造锥体的方法,其中该方法包括将一张纸切割成 所述图案同时与至少一对折叠部分接合,所述折叠部分由中心折叠线和两条横向折叠线组成,所述折叠线等距和对称地位移到所述中心线的每一侧,通过折叠所述线来形成翼部,将相对表面 的折叠部分,并用防潮材料涂覆锥体的整个表面的整个表面。
    • 69. 发明授权
    • Adaptive fiber optic shock wave sensor
    • 自适应光纤冲击波传感器
    • US5220160A
    • 1993-06-15
    • US811106
    • 1991-12-20
    • Stoyan I. Sargoytchev
    • Stoyan I. Sargoytchev
    • G01D5/353G01H9/00G01L11/02G10K13/00
    • G10K13/00G01D5/35345G01H9/004G01L11/025Y10S367/906
    • A fiber optic-type shock wave sensor automatically adapts itself in response to vibration preventing false shock wave detection signals. The sensor includes a sensor element comprising a pair of mating toothed rings and a fiber optic coil disposed between the teeth of the rings. One of the toothed rings is moveable in response to shock waves to cause a bending of the fiber optic coil which detectably alters its light transmission characteristics. A rigid, dome shaped membrane is attached to the moveable ring and is flexibly attached to a body containing the sensor element. The membrane and body form an enclosure for the sensor element, and an aperture is disposed in the body which communicates with the enclosure. A normally closed spring biased check valve covers the aperture, and opens in response to a reduction in pressure in the enclosure to admit additional air or gas to the same. When the sensor is exposed to vibration, the membrane moves back and forth, thereby causing the check valve to cycle open and closed. This results in a pumping effect which draws additional air or gas into the sealed enclosure, and the membrane is caused to move outwardly away from the sensor body. This both causes the membrane to stiffen and its natural frequency to be shifted so that the membrane and moveable ring will be effectively insulated from the resonance effects of vibration, and the sensor will therefore not generate a false shock wave detection signal in response to vibration.
    • 光纤式冲击波传感器响应于防止假冲击波检测信号的振动而自动适应。 传感器包括传感器元件,其包括一对配合的齿环和布置在环的齿之间的光纤线圈。 齿环中的一个可以响应于冲击波而移动,从而导致光纤线圈的弯曲,其可检测地改变其光透射特性。 刚性的圆顶形膜连接到可移动环上并且柔性地附接到包含传感器元件的主体。 膜和本体形成用于传感器元件的外壳,并且孔体设置在与外壳连通的主体中。 常闭弹簧偏压止回阀覆盖孔,并响应于外壳中的压力降低而打开,以允许向其提供额外的空气或气体。 当传感器暴露于振动时,膜会来回移动,从而使止回阀循环打开和关闭。 这导致泵送效应,其将额外的空气或气体吸入密封的外壳中,并且使膜从传感器主体向外移动。 这两者都使得膜变硬并且其固有频率被移动,使得膜和可移动环将有效地与振动的共振效应绝缘,因此传感器将不会产生响应于振动的假冲击波检测信号。