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    • 5. 发明授权
    • Biocompatible fully implantable hearing aid transducers
    • 生物相容性完全植入式助听器
    • US6068589A
    • 2000-05-30
    • US801056
    • 1997-02-14
    • Armand P. Neukermans
    • Armand P. Neukermans
    • H04R17/00H04R25/00
    • H04R25/606H04R17/00H04R25/405H04R2225/67H04R25/505
    • An improved fully implantable hearing aid (10) in a first aspect includes at least two microphones (28) to provide improved noise cancellation, and, with an array (132) of microphones (28), improved directivity. In a second aspect, the hearing aid (10) includes an improved microactuator (32') in which deflections of a pair of piezoelectric plates (68) are coupled by liquid (52') to a flexible diaphragm (44') for stimulating fluid (20a) within an inner ear (17) of a subject (12). In a third aspect, the improved hearing aid (10) includes a directional booster (200) that the subject (12), having an implanted hearing aid (10), may wear on their head (122) for increasing directivity of perceived sound. A fourth aspect of the present invention is an improved implantable microactuator (32", 32'") that generates a mechanical displacement of a diaphragm (82) or a face (96) in response to an applied electrical signal. A liquid coupling between the piezoelectric transducer (54", 54'") and the diaphragm (82) or face (96) provides a mechanical impedance match for the transducer (54", 54'").
    • 改进的完全植入式助听器(10)在第一方面包括至少两个麦克风(28),以提供改进的噪声消除,并且与麦克风(28)的阵列(132)相比,改进了方向性。 在第二方面,助听器(10)包括改进的微致动器(32'),其中一对压电板(68)的偏转由液体(52')耦合到柔性隔膜(44'),用于刺激流体 (20a)在被检体(12)的内耳(17)内。 在第三方面,改进的助听器(10)包括定向助力器(200),所述对象(12)具有植入的助听器(10)可能在其头部(122)上磨损,以增加感知到的声音的方向性。 本发明的第四方面是一种改进的可植入微致动器(32“,32”),其响应于所施加的电信号而产生振动膜(82)或面(96)的机械位移。 压电换能器(54“,54”“)和隔膜(82)或面(96)之间的液体耦合为换能器(54”,54“')提供了机械阻抗匹配。
    • 6. 发明授权
    • Handheld document scanner
    • 手持文档扫描仪
    • US6064779A
    • 2000-05-16
    • US121439
    • 1998-07-23
    • Armand P. NeukermansJames P. DowningTimothy G. Slater
    • Armand P. NeukermansJames P. DowningTimothy G. Slater
    • G06T1/00H04N1/00H04N1/107H04N1/12H04N1/193H04N1/40
    • H04N1/00689H04N1/00891H04N1/0476H04N1/107H04N1/1072H04N1/1078H04N1/121H04N1/00885H04N1/193H04N2201/0096H04N2201/0471
    • A document transport for a scanner (100) has a flexible, elongated finger (226) disposed adjacent to a document (134), and a force applied to the finger (226) urges teeth (233) on the finger (226) into contact with the document (134) which urges the document (134) along a path through the scanner (100). A piezoelectric plate (222), which applies the force to the finger (226), requires only a small amount of electrical power. To traverse the scanner (100), a document (134) may also be manually fed along a guide (272). First and second speed-sensing detectors (276a and 276b), disposed along the path traversed by the document (134), permit the scanner (100) to determine a speed at which the manually fed document (134) traverses the scanner (100). To conserve electrical energy, the scanner (100) also includes a document-presence detector (274) for activating the scanner (100) when a document (134) to be scanned is present.
    • 用于扫描器(100)的文件传送装置具有邻近文件(134)设置的柔性细长的手指(226),并且施加到手指(226)的力促使手指(226)上的齿(233)接触 其中文档(134)沿着通过扫描器(100)的路径敦促文档(134)。 向手指(226)施加力的压电板(222)仅需要少量的电力。 为了横穿扫描器(100),文档(134)也可以沿着引导件(272)手动馈送。 沿着由文件(134)穿过的路径设置的第一和第二速度感测检测器(276a和276b)允许扫描器(100)确定手动馈送的文件(134)穿过扫描仪(100)的速度, 。 为了节省电能,扫描器(100)还包括用于在存在待扫描的文件(134)时启动扫描器(100)的原稿存在检测器(274)。
    • 7. 发明授权
    • Implantable hearing aid
    • 植入式助听器
    • US5772575A
    • 1998-06-30
    • US532398
    • 1995-09-22
    • S. George LesinskiArmand P. Neukermans
    • S. George LesinskiArmand P. Neukermans
    • H04R17/02H04R25/00
    • H04R25/606H04R1/46H04R17/025H04R2460/13
    • A hearing aid includes an implantable microphone, signal-processing amplifier, battery, and microactuator. An electrical signal from the microphone is amplified and processed by the amplifier before being applied to the microactuator. The microactuator is adapted for implantation in a subject at a location from which it may mechanically create vibrations in the perilymph fluid within a subject's inner ear. A transducer of the microactuator is preferably a thin circular disk, 2 to 8 mils thick, of stress-biased PLZT. Disks of this stress-biased PLZT material can be mounted as drumheads in various different ways, preferably in conjunction with a flexible diaphragm, to small threaded metal tubes, e.g. 1.4 mm in diameter and 2.0 mm long. These tubes may be implanted into a fenestration formed through the promontory adjacent to the oval window of a subject's inner ear. Securing the disk to a tube having a larger diameter than that implanted into the fenestration and filling the tube with fluid provides hydraulic amplification of the transducer's displacement. The implantable microphone is preferably fabricated from a thin sheet of PVDF that is overcoated with inert metal electrodes.
    • 助听器包括可植入麦克风,信号处理放大器,电池和微型致动器。 来自麦克风的电信号在施加到微致动器之前被放大器放大和处理。 微致动器适于在受试者的内耳内的外淋巴液中机械地产生振动的位置处植入受试者中。 微致动器的换能器优选为2至8密耳厚的应力偏置PLZT的薄圆盘。 这种受应力偏压的PLZT材料的磁盘可以以各种不同的方式安装为鼓头,优选与柔性隔膜一起安装到小螺纹金属管,例如, 直径1.4毫米,长2.0毫米。 这些管可以被植入通过邻近受检者内耳的椭圆形窗口的海角形成的开窗。 将盘固定到具有比注入开窗的植入物大的直径的管,并且用流体填充管提供换能器位移的液压放大。 可植入麦克风优选地由用惰性金属电极涂覆的PVDF薄片制成。
    • 8. 发明授权
    • Method of making an electron beam window
    • 制造电子束窗的方法
    • US4468282A
    • 1984-08-28
    • US443709
    • 1982-11-22
    • Armand P. Neukermans
    • Armand P. Neukermans
    • B41J2/05H01J5/18H01J9/24H01J33/04B44C1/22C03C15/00C03C25/06
    • H01J5/18H01J33/04H01J9/244
    • A method of making an electron permeable window is provided which entails depositing a thin film of an inert, high strength material or compound having a low atomic number onto a substrate by chemical vapor deposition (CVD). Following that deposition, a window pattern and window support perimeter are photolithographically defined and the substrate is etched to leave the desired window structure. For a particular class of materials including SiC, BN, B.sub.4 C, Si.sub.3 N.sub.4, and Al.sub.4 C.sub.3, films are provided which are exceedingly tough and pinhole free, and which exhibit nearly zero internal stress. Furthermore, due to their extreme strength, these materials allow fabrication of extremely thin windows. In addition, because of their low atomic number and density, they have excellent electron penetration characteristics at low beam voltages (15 to 30 kV), so that most conventional CRT deflection schemes can be used to direct the beam. Also, such films are remarkably resilient and chemically inert even when very thin and can easily withstand large pressure differences.
    • 提供一种制造电子透视窗的方法,其需要通过化学气相沉积(CVD)将具有低原子序数的惰性高强度材料或化合物的薄膜沉积到基底上。 在沉积之后,窗光图案和窗口支撑周边被光刻定义,并且蚀刻衬底以留下所需的窗口结构。 对于包括SiC,BN,B4C,Si3N4和Al4C3在内的特定类型的材料,提供了非常坚固和无针孔的膜,其表现出几乎零的内应力。 此外,由于它们的极强的强度,这些材料允许制造极薄的窗户。 另外,由于它们的原子数和密度低,它们在低光束电压(15至30kV)下具有优异的电子穿透特性,因此大多数传统的CRT偏转方案可用于引导光束。 此外,即使非常薄并且容易承受较大的压力差,这些膜也具有显着的弹性和化学惰性。
    • 10. 发明授权
    • Variable attenuation of free-space light beams
    • 自由空间光束的可变衰减
    • US06961506B2
    • 2005-11-01
    • US10221867
    • 2001-03-16
    • Armand P. NeukermansRajiv RamaswamiJohn F. HeanueBrian P. TremaineMarc Schuman
    • Armand P. NeukermansRajiv RamaswamiJohn F. HeanueBrian P. TremaineMarc Schuman
    • G02B6/26G02B6/35G02B26/08G02B6/00G02B26/02
    • G02B6/359G02B6/266G02B6/352G02B6/3556G02B6/356G02B6/357G02B6/3588G02B6/3594
    • One aspect is a method for controllably attenuating the beam of light (108) coupled between incoming and outgoing optical fibers (106) by misaligning minor surfaces (116a, 116b) included of an optical switching module (100). Misalignment of the mirror surfaces (116a and 116b) causes only a portion of the beam of light (108) propagating along the incoming optical fiber (106), which is less than when the light beam deflectors' mirror surfaces (116) are precisely aligned, to propagate along the outgoing optical fiber (108). Thus, the optical switching module (100) controllably attenuates the beam of light (108) coupled between the incoming and the outgoing optical fibers (106). Another aspect is a variable-optical-attenuator (“VOA”) (212) that includes an optically reflective membrane (222) upon which the beam of light (108) impinges. Application of an electrostatic field between an adjacent electrode (228) and the membrane (222) deforms the membrane (222) thereby attenuating an impinging beam of light (108).
    • 一个方面是通过使包括光开关模块(100)的小面(116a,116b)不对准来可控地衰减耦合在进入和输出光纤(106)之间的光束(108)的方法。 镜面(116a和116b)的不对准仅使得沿着入射光纤(106)传播的光束(108)的一部分小于当光束偏转器的镜面(116)为 精确对准,以沿着输出光纤(108)传播。 因此,光学开关模块(100)可控制地衰减耦合在输入和输出光纤(106)之间的光束(108)。 另一方面是可变光衰减器(“VOA”)(212),其包括光束(108)撞击在其上的光学反射膜。 相邻电极(228)和膜(222)之间的静电场的施加使膜(222)变形,从而衰减入射光束(108)。