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1. 发明授权

US08224009B2 Audio system with synthesized positive impedance 有权
标题翻译：具有合成正阻抗的音频系统
公开(公告)号：US08224009B2
公开(公告)日：2012-07-17
申请号：US11681621
申请日：2007-03-02
申请人： Kenneth B. Delpapa , Michael B. Nussbaum , Jay N. Teixeira , George Nichols , Thomas A. Froeschle
发明人： Kenneth B. Delpapa , Michael B. Nussbaum , Jay N. Teixeira , George Nichols , Thomas A. Froeschle
IPC分类号： H04R1/20
CPC分类号： H04R3/00 , H04R1/2819 , H04R1/2834 , H04R3/002 , H04R2201/028
摘要： An audio system including an audio power amplifier, a transducer electrically connected to the audio power amplifier, an enclosure coupled to the transducer, and a secondary resonant element coupled to the enclosure. An electrical feedback signal representative of the transducer current is negatively fed back to the audio power amplifier to synthesize a positive output impedance.
摘要翻译：包括音频功率放大器，电连接到音频功率放大器的换能器，耦合到换能器的外壳以及耦合到外壳的次级谐振元件的音频系统。表示换能器电流的电反馈信号被反馈回音频功率放大器以合成正输出阻抗。

2. 发明申请

US20080212818A1 AUDIO SYSTEM WITH SYNTHESIZED POSITIVE IMPEDANCE 有权
标题翻译：具有合成正向阻抗的音频系统
公开(公告)号：US20080212818A1
公开(公告)日：2008-09-04
申请号：US11681621
申请日：2007-03-02
申请人： Kenneth B. DelPapa , Michael B. Nussbaum , Jay N. Teixeira , George Nichols , Thomas A. Froeschle
发明人： Kenneth B. DelPapa , Michael B. Nussbaum , Jay N. Teixeira , George Nichols , Thomas A. Froeschle
IPC分类号： H03F21/00 , H04R1/02
CPC分类号： H04R3/00 , H04R1/2819 , H04R1/2834 , H04R3/002 , H04R2201/028
摘要： An audio system including an audio power amplifier, a transducer electrically connected to the audio power amplifier, an enclosure coupled to the transducer, and a secondary resonant element coupled to the enclosure. An electrical feedback signal representative of the transducer current is negatively fed back to the audio power amplifier to synthesize a positive output impedance.
摘要翻译：包括音频功率放大器，电连接到音频功率放大器的换能器，耦合到换能器的外壳以及耦合到外壳的次级谐振元件的音频系统。表示换能器电流的电反馈信号被反馈回音频功率放大器以合成正输出阻抗。

3. 发明授权

US09049501B2 Audio system with synthesized positive impedance 有权
标题翻译：具有合成正阻抗的音频系统
公开(公告)号：US09049501B2
公开(公告)日：2015-06-02
申请号：US13550887
申请日：2012-07-17
申请人： Kenneth B. Delpapa , Michael B. Nussbaum , Jay N. Teixeira , George Nichols , Thomas A. Froeschle
发明人： Kenneth B. Delpapa , Michael B. Nussbaum , Jay N. Teixeira , George Nichols , Thomas A. Froeschle
IPC分类号： H03F99/00 , H04R3/00 , H04R1/28
CPC分类号： H04R3/00 , H04R1/2819 , H04R1/2834 , H04R3/002 , H04R2201/028
摘要： An electrical apparatus to sense current through a load includes a first input terminal having a first input voltage relative to a reference, a second input terminal having a second input voltage relative to the reference, a first load terminal of the load having a first load voltage relative to the reference, a second load terminal of the load having a second load voltage relative to the reference, a first current sensing element connected between the first input terminal and the first load terminal and a second current sensing element connected between the second input terminal and the second load terminal. A first sense voltage is determined by a relationship between the first input voltage and the second load voltage and a second sense voltage is determined by a relationship between the second input voltage and the first load voltage.
摘要翻译：用于感测通过负载的电流的电气设备包括具有相对于基准的第一输入电压的第一输入端子，具有相对于基准的第二输入电压的第二输入端子，负载的第一负载端子具有第一负载电压所述负载相对于所述基准具有第二负载电压的第二负载端子，连接在所述第一输入端子和所述第一负载端子之间的第一电流感测元件和连接在所述第二输入端子之间的第二电流感测元件和第二负载端子。第一感测电压由第一输入电压和第二负载电压之间的关系确定，第二感测电压由第二输入电压和第一负载电压之间的关系确定。

4. 发明申请

US20080192960A1 Hybrid Filter for Audio Switching Amplifier 审中-公开
标题翻译：音频开关放大器的混合滤波器
公开(公告)号：US20080192960A1
公开(公告)日：2008-08-14
申请号：US11673325
申请日：2007-02-09
申请人： Michael B. Nussbaum , Kenneth B. Delpapa
发明人： Michael B. Nussbaum , Kenneth B. Delpapa
IPC分类号： H03F21/00
CPC分类号： H01F37/00 , H01F3/14 , H01F17/04 , H01F27/34 , H01F2017/0093 , H01F2017/065 , H03F3/217
摘要： An output filter for a switching audio amplifier includes a magnetic core having a gapped central leg and a first and a second outer leg. The central leg and the first outer leg form a first independent magnetic path and the central leg and the second outer leg form a second independent magnetic path. The first and the second outer leg together form a joint magnetic path. A first coil having a first plurality of turns is wound around the first outer leg. A first load current applied to the first coil generates a first magnetic flux in a first direction through the joint magnetic path. A second coil having second plurality of turns is wound around the second outer leg. A second load current applied to the second coil generates a second magnetic flux in a second direction opposite to the first direction through the joint magnetic path.
摘要翻译：用于开关音频放大器的输出滤波器包括具有间隙中心支腿和第一和第二外腿的磁芯。中心腿和第一外腿形成第一独立磁路，中心腿和第二外腿形成第二独立磁路。第一和第二外腿一起形成关节磁路。具有第一多个匝的第一线圈缠绕在第一外腿上。施加到第一线圈的第一负载电流通过接头磁路在第一方向上产生第一磁通量。具有第二多个匝的第二线圈围绕第二外腿缠绕。施加到第二线圈的第二负载电流通过接合磁路在与第一方向相反的第二方向上产生第二磁通。

5. 发明授权

US07129601B2 Apparatus for controlled movement of an element 失效
标题翻译：用于元件受控运动的装置
公开(公告)号：US07129601B2
公开(公告)日：2006-10-31
申请号：US10075940
申请日：2002-02-13
申请人： David C. Brown , Felix Stukalin , Michael B. Nussbaum , Kurt Pelsue
发明人： David C. Brown , Felix Stukalin , Michael B. Nussbaum , Kurt Pelsue
IPC分类号： H02K41/00
CPC分类号： G02B6/3572 , G02B6/3518 , G02B6/3556 , G02B6/359 , G02B7/1828 , G02B26/0816 , G02B26/105
摘要： A method and apparatus for supporting a movable member (10) with respect to a fixed member (40) is provided. The movable member (10) includes a magnetically permeable portion (81) contained therein and magnetic element (50) fixedly attached thereto and movable therewith. The movable member (10) is supported for rotation with respect to the fixed member (40) by an outer bearing surface (11) of the movable member and an inner bearing surface (20) of the fixed member (40). The fixed member (40) provides access to the movable member (10) from two sides thereof. A magnetically permeable stator element (70) is fixedly attached to the fixed member (40) and positioned within a magnetic flux field of the magnetic element (50) such that an air gap (73) is formed between the magnetic element (50) and the stator element (70). Accordingly a magnetic traction force acts across the air gap (73) for urging the moveable member (10) toward the fixed member (40) thereby clamping the movable element in a fixed orientation with respect to the movable element. The stator element (70) includes stator current coils (60) wound onto portions of the stator element for inducing electromagnetic forces within the stator element in response to a current passing through the coils. The electromagnetic force acts on the magnetic element (50) to move the movable member (10) in a controllable manner.
摘要翻译：提供了一种用于相对于固定构件（40）支撑可移动构件（10）的方法和装置。可移动部件（10）包括容纳在其中的导磁部分（81）和固定地附接到其上的可移动的磁性元件（50）。可动构件（10）通过可动构件的外侧支承面（11）与固定构件（40）的内侧支承面（20）相对于固定构件（40）支承。固定构件（40）从其两侧提供对可动构件（10）的通路。导磁定子元件（70）固定地附接到固定构件（40）上并定位在磁性元件（50）的磁通场内，使得在磁性元件（50）和定子元件（70）。因此，磁力牵引力作用在空气间隙（73）上，用于将可移动构件（10）推向固定构件（40），从而将可移动元件相对于可移动元件夹紧在固定方向。定子元件（70）包括缠绕在定子元件的部分上的定子电流线圈（60），用于响应于通过线圈的电流在定子元件内感应电磁力。电磁力作用在磁性元件（50）上，以可控制的方式移动可动件（10）。

6. 发明授权

US06749309B1 Optical element for scanning system and method of manufacture thereof 有权
标题翻译：用于扫描系统的光学元件及其制造方法
公开(公告)号：US06749309B1
公开(公告)日：2004-06-15
申请号：US09965191
申请日：2001-09-27
申请人： Alvaro Kaplan , Michael B. Nussbaum
发明人： Alvaro Kaplan , Michael B. Nussbaum
IPC分类号： G02B508
CPC分类号： G02B5/08 , G02B26/105
摘要： An optical element is disclosed for use in a scanning system. The optical element comprises a carbon-based substrate having a first specific stiffness, and a titanium carbide coating having a second specific stiffness. The carbon-based substrate and the titanium carbide coating form a composite having a desired shape. The composite has a third specific stiffness that is greater than the first specific stiffness and greater than the second specific stiffness.
摘要翻译：公开了用于扫描系统的光学元件。光学元件包括具有第一比刚度的碳基基底和具有第二比刚度的碳化钛涂层。碳基基材和碳化钛涂层形成具有所需形状的复合材料。复合材料具有大于第一比刚度并且大于第二比刚度的第三比刚度。

7. 发明授权

US07432793B2 Amplifier output filter having planar inductor 有权
标题翻译：具有平面电感的放大器输出滤波器
公开(公告)号：US07432793B2
公开(公告)日：2008-10-07
申请号：US11305931
申请日：2005-12-19
申请人： Michael B. Nussbaum
发明人： Michael B. Nussbaum
IPC分类号： H01F27/28
CPC分类号： H03F1/565 , H01F17/0013 , H01F17/04 , H01F27/2804 , H01F2017/0026 , H03F3/217 , H03H7/1758 , H03H7/427 , H03H2001/0085 , H05K1/0298 , H05K1/165 , H05K2201/086 , H05K2201/09063
摘要： An output filter for an audio amplifier includes a printed circuit board having at least one aperture extending through the printed circuit board. The output filter includes a first coil winding formed on a layer of the printed circuit board. The first coil winding substantially surrounds the first aperture. A magnetic core includes at least one leg. The at least one leg passes through the at least one aperture.
摘要翻译：用于音频放大器的输出滤波器包括具有延伸穿过印刷电路板的至少一个孔的印刷电路板。输出滤波器包括形成在印刷电路板的层上的第一线圈绕组。第一线圈绕组基本上围绕第一孔。磁芯包括至少一条腿。至少一条腿穿过至少一个孔。

8. 发明授权

US07679917B2 Electronic assembly cooling 失效
标题翻译：电子组件散热
公开(公告)号：US07679917B2
公开(公告)日：2010-03-16
申请号：US12019712
申请日：2008-01-25
申请人： Joseph F. Deck , Bradley L. Hunter , Michael B. Nussbaum , Steven D. Owen
发明人： Joseph F. Deck , Bradley L. Hunter , Michael B. Nussbaum , Steven D. Owen
IPC分类号： H05K7/20 , F28F7/00 , H01L23/34
CPC分类号： H05K7/2049 , H01L23/4006 , H01L2023/4031 , H01L2023/405 , H01L2023/4081 , H01L2924/0002 , H01L2924/3011 , H01L2924/00
摘要： An electronic assembly including a first heat producing device mounted on a first outer surface of a first portion of a circuit board. The first portion can deflect upwardly and downwardly relative to other portions of the circuit board. A first force element urges the first heat producing device against a heat sink. The force exerted by the first force element is variable with respect to time.
摘要翻译：一种电子组件，包括安装在电路板的第一部分的第一外表面上的第一制热装置。第一部分可以相对于电路板的其它部分向上和向下偏转。第一力元件将第一制热装置推向散热器。由第一力元件施加的力相对于时间是可变的。

9. 发明授权

US07421308B2 Digital control servo system 失效
标题翻译：数字控制伺服系统
公开(公告)号：US07421308B2
公开(公告)日：2008-09-02
申请号：US11627631
申请日：2007-01-26
申请人： Michael B. Nussbaum , Michael R. Shannon , Frederick A. Stewart
发明人： Michael B. Nussbaum , Michael R. Shannon , Frederick A. Stewart
IPC分类号： G05B19/29
CPC分类号： G06K7/10851
摘要： A limited rotation motor optical scanning system is disclosed that includes a limited rotation motor scanner, a digital controller servo system, a position feedback unit, a wide angle compensation unit, a digital processor, and an adjustment unit. The limited rotation motor scanner element is adapted for directing an energy beam to at least one location within a field of view. The digital controlled servo system is adapted for controlling motion of the limited rotation motor scanner element in accordance with a servo command waveform. The position feedback unit is for providing a position feedback signal indicative of a rotational position of the limited rotation motor scanner element. The wide angle compensation unit is for receiving the position feedback signal and for providing a boost signal that is representative of a boost factor that compensates for torque constant variation with the rotational position of said limited rotation motor scanner element. The digital processor is for providing a set of control parameters for use during the command waveform in conformance with which the command waveform will be employed to control motion of the limited rotation motor scanner element. The adjustment unit is for providing an adjusted output signal responsive to the control parameters and responsive to the boost signal to control the motion of the limited rotation motor scanner element while compensating for torque constant variation with the rotational position of the limited rotation motor scanner element during the command waveform.
摘要翻译：公开了一种有限旋转电机光学扫描系统，其包括有限旋转电机扫描器，数字控制器伺服系统，位置反馈单元，广角补偿单元，数字处理器和调整单元。有限旋转电动机扫描器元件适于将能量束引导到视场内的至少一个位置。数字控制伺服系统适于根据伺服命令波形控制受限旋转电机扫描器元件的运动。位置反馈单元用于提供指示有限旋转电机扫描器元件的旋转位置的位置反馈信号。广角补偿单元用于接收位置反馈信号，并用于提供代表升压因子的升压信号，该升压因子补偿与所述限制旋转电动机扫描器元件的旋转位置的转矩恒定变化。数字处理器用于提供一组在命令波形期间使用的控制参数，以使其与指令波形一起使用以控制有限旋转电动机扫描器元件的运动。调整单元用于响应于控制参数提供经调整的输出信号，并且响应于升压信号来控制受限旋转电动机扫描器元件的运动，同时补偿在限制旋转电动机扫描器元件的旋转位置期间的转矩恒定变化命令波形。

10. 发明授权

US07136547B2 Method and apparatus for beam deflection 失效
标题翻译：光束偏转的方法和装置
公开(公告)号：US07136547B2
公开(公告)日：2006-11-14
申请号：US10075930
申请日：2002-02-13
申请人： David C. Brown , Felix Stukalin , Michael B. Nussbaum , Evghenii Onoicenco , Edward L. Kelley
发明人： David C. Brown , Felix Stukalin , Michael B. Nussbaum , Evghenii Onoicenco , Edward L. Kelley
IPC分类号： G02B6/26
CPC分类号： G02B6/3572 , G02B6/3518 , G02B6/3556 , G02B6/3584 , G02B6/359 , G02B7/1828 , G02B26/0816 , G02B26/105
摘要： The invention provides a method and apparatus for directing a radiation beam (504, 606) in a desired direction. There is provided a movable member (10) supported for movement by a fixed member (40) and the movable member has an optical element, e.g a flat mirror (30) fixedly attached thereto. In one embodiment the mirror scans a radiation beam incident thereon in one plane. In a second embodiment, the radiation beam is scanned in two mutually perpendicular planes. A magnetic element (50) having a north and a south magnetic pole is fixedly attached to the movable member (10). A magnetically permeable stator element (70) that is stationary with respect to the movable member (10) and the magnetic element (50) is placed in the field of the magnetic element such that the stator element and said magnetic element mutually generate a magnetic traction force between them. A current coil (60) is wound around a portion of the stator element (70) and a current driver (400) is provided for driving a current in the current coil (60). The current induces an electromagnetic force in the stator element (70) and the electromagnetic force acts on the magnetic element (50) for controlling movement of the optical element (30) with respect to the fixed element (40). A radiation beam source (502) may be directed onto the movable mirror surface (30) and scanned by the movement of the mirror to direct the radiation beam in a desired propagation direction. Alternately, a radiation source (604) may be attached to the movable member (10) and pointed in a desired direction.
摘要翻译：本发明提供了一种用于将辐射束（504,606）引导到期望方向的方法和装置。设置有可动构件（10），其被固定构件（40）支撑并移动，并且可移动构件具有光学元件，例如固定地附接到其上的平面镜（30）。在一个实施例中，反射镜扫描在一个平面中入射到其上的辐射束。在第二实施例中，辐射束在两个相互垂直的平面中被扫描。具有北极和南磁极的磁性元件（50）固定在可动件（10）上。相对于可动构件（10）和磁性元件（50）静止的导磁定子元件（70）被放置在磁性元件的场中，使得定子元件和所述磁性元件相互产生磁力牵引他们之间的力量。电流线圈（60）缠绕在定子元件（70）的一部分上，并且提供电流驱动器（400）以驱动电流线圈（60）中的电流。电流在定子元件（70）中引起电磁力，并且电磁力作用在磁性元件（50）上，用于控制光学元件（30）相对于固定元件（40）的移动。辐射束源（502）可以被引导到可动镜面（30）上，并且通过镜的移动被扫描以将辐射束引导到期望的传播方向。或者，辐射源（604）可以附接到可动构件（10）并指向所需的方向。

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