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    • 42. 发明授权
    • High voltage interface module
    • 高压接口模块
    • US06937026B2
    • 2005-08-30
    • US10659890
    • 2003-09-11
    • Ronnie J. LindleyTodd D. Ward
    • Ronnie J. LindleyTodd D. Ward
    • G01R15/04G01R15/14G01R31/08
    • G01R15/04G01R15/14
    • The present invention provides a voltage conditioning interface module to condition an electrical signal locally. This module receives the unsafe electrical signal at an input port. This input port is electrically coupled to an external sampling point on an electrical circuit or system under test. A conditioning circuit having both a voltage reducing circuit and a voltage limiting circuit provides a reduced voltage. The voltage limiting circuit is in parallel with the output terminals that output the reduced voltage. This arrangement ensures that when a circuit element within the voltage reducing circuit fails, an unsafe condition does not exist across these terminals.
    • 本发明提供一种用于局部调节电信号的电压调节接口模块。 该模块在输入端口接收不安全的电信号。 该输入端口电耦合到被测电路或系统上的外部采样点。 具有电压降低电路和限压电路的调理电路提供降低的电压。 电压限制电路与输出降低电压的输出端并联。 这种布置确保了当电压降低电路中的电路元件失效时,这些端子之间不存在不安全的状况。
    • 44. 发明授权
    • Ice detection system
    • 冰检测系统
    • US06879168B2
    • 2005-04-12
    • US10117271
    • 2002-04-08
    • Jack BaasClayton Larson
    • Jack BaasClayton Larson
    • G01N27/22G01R27/26
    • G01N27/226G01N27/221G01N27/223
    • The invention is a system for determining the presence of ice on the surface of a structure. The system includes a guard layer mounted to the surface. A non-conductive layer is mounted on top of the ground plane. First and second electrodes made of a resistive material mounted on the non-conductive layer. First and second electrical leads having first ends of attached to first and second electrodes, respectively. The first and second leads having impedance equal to the impedance of the first ends thereof with the impedance of the first and second leads decreasing toward the second ends thereof.
    • 本发明是用于确定结构表面上存在冰的系统。 该系统包括安装在表面上的防护层。 非导电层安装在接地平面的顶部。 由安装在非导电层上的电阻材料制成的第一和第二电极。 第一和第二电引线分别具有附接到第一和第二电极的第一端。 第一和第二引线的阻抗等于其第一端的阻抗,第一和第二引线的阻抗朝向其第二端减小。
    • 46. 发明授权
    • Decoupled steering/planing air vehicle nose landing gear
    • 去耦转向/刨光机动车头起落架
    • US07621481B2
    • 2009-11-24
    • US10933962
    • 2004-09-03
    • Brian Keith HershbergerDavid J. DevineAxel Sehic
    • Brian Keith HershbergerDavid J. DevineAxel Sehic
    • B64C25/10B64C25/20
    • B64C25/14B64C25/50
    • A landing gear assembly comprises a landing gear strut assembly further comprising a landing gear strut having a longitudinal axis and extending from an inboard end to an outboard end capable of attaching to a wheel, and a landing gear housing. The landing gear housing has a longitudinal axis coincident with the landing gear strut longitudinal axis and having an interior chamber capable of accepting a portion of the landing gear strut. The landing gear housing is capable of pivotably coupling to an aircraft. The landing gear assembly further comprises a retraction linkage having an inboard end capable of coupling to the aircraft and an outboard end coupled to the landing gear housing. The retraction linkage is moveable to retract the landing gear strut assembly into an aircraft landing gear compartment about the landing gear housing pivotable aircraft coupling. The landing gear assembly further comprises a steering linkage capable of coupling and decoupling to the landing gear strut and, when coupled, capable of steerably rotating the landing gear strut with respect to the landing gear housing about the coincident longitudinal axis. The landing gear assembly further comprises a planing linkage that can gradually rotate the landing gear strut into a planar position as the landing gear strut assembly is retracted and decoupled from the steering linkage.
    • 起落架组件包括起落架支柱组件,其还包括具有纵向轴线并从内侧端延伸到能够附接到车轮的外侧端部的起落架支柱和起落架壳体。 起落架壳体具有与起落架支柱纵向轴线重合的纵向轴线,并且具有能够接收起落架支柱的一部分的内部室。 起落架壳体能够可枢转地联接到飞行器。 起落架组件还包括具有能够联接到飞行器的内侧端部和联接到起落架壳体的外侧端部的缩回连杆。 回缩联动装置可移动以将起落架支柱组件缩回到起落架壳体可枢转的飞机联轴器内的飞机起落架舱内。 起落架组件还包括能够联接和解耦到起落架支柱的转向连杆,并且当被联接时,能够使起落架支柱相对于起落架壳体围绕重合的纵向轴线可转动地旋转。 起落架组件还包括一个平面连接件,当起落架支柱组件缩回并与转向连杆分离时,该平面连接件可逐渐地将起落架支柱旋转到平面位置。
    • 47. 发明授权
    • Detection of wireless devices
    • 检测无线设备
    • US07570625B1
    • 2009-08-04
    • US11329786
    • 2006-01-10
    • Steven R. Ocepek
    • Steven R. Ocepek
    • H04Q7/00
    • H04W12/12H04L29/12028H04L41/0213H04L41/12H04L61/103H04L63/1441H04W8/005
    • A method, system, apparatus, and computer-readable medium to determine whether a device having access to a network is wireless. A method for determining whether a device is wireless includes sending a specially-constructed packet to the device via a network. The packet is constructed so that the source address for the packet is a physical address on the network for the device. If the device does not send a response to the packet, a determination is made that the device is wireless. If the device sends a response to the packet, a determination is made that the device is wired. In one embodiment of the invention, the physical address for the device is a Media Access Control (MAC) address. The initial packet may, for example, request the physical address for the device and may be sent in response to detecting a communication to or from the suspect device.
    • 一种方法,系统,装置和计算机可读介质,用于确定是否具有对网络的访问的设备是无线的。 用于确定设备是否是无线的方法包括经由网络向设备发送特殊构造的分组。 该分组被构造为使得分组的源地址是设备的网络上的物理地址。 如果设备没有发送对数据包的响应,则确定设备是无线的。 如果设备发送一个响应给该数据包,则确定该设备是有线的。 在本发明的一个实施例中,设备的物理地址是媒体访问控制(MAC)地址。 例如,初始分组可以请求设备的物理地址,并且可以响应于检测到来自可疑设备的通信而发送该物理地址。
    • 48. 发明授权
    • Network devices for separating power and data signals
    • 用于分离电源和数据信号的网络设备
    • US07560825B2
    • 2009-07-14
    • US11279322
    • 2006-04-11
    • Philip John Crawley
    • Philip John Crawley
    • G06F1/26
    • H04L12/10
    • Embodiments disclosed herein provide a network device comprises a transformer with a primary winding and a secondary winding. The primary winding is coupled to receive input signals from a network connector and supply data signals to a physical layer (PHY) module. An inductance boost circuit is coupled to the secondary winding and operable to increase the impedance of the primary winding. In other embodiments, a network device comprises an autotransformer coupled to receive input signals from a network connector and supply data signals to a physical layer (PHY) module. An electronic load coupled in parallel between the autotransformer and the PHY layer module.
    • 本文公开的实施例提供一种网络设备,包括具有初级绕组和次级绕组的变压器。 初级绕组被耦合以从网络连接器接收输入信号,并将数据信号提供给物理层(PHY)模块。 电感升压电路耦合到次级绕组并且可操作以增加初级绕组的阻抗。 在其他实施例中,网络设备包括耦合以从网络连接器接收输入信号并将数据信号提供给物理层(PHY)模块的自耦变压器。 在自耦变压器和PHY层模块之间并联耦合的电子负载。
    • 49. 发明授权
    • Tracking communication for determining device states
    • 跟踪通信以确定设备状态
    • US07506360B1
    • 2009-03-17
    • US10676541
    • 2003-10-01
    • Mark L. WilkinsonRonald J. MillerMichael J. McDaniels
    • Mark L. WilkinsonRonald J. MillerMichael J. McDaniels
    • H04L9/32
    • H04L61/10H04L29/12028H04L61/103H04L63/1433
    • A system and method for tracking communication for determining device states. Communication between devices is observed and a respective state of at least one device is inferred. The inference is formed without directly communicating with the device. Various states of the devices include unknown, used, unfulfilled, virtual, omitted, and automatic. The respective state of a device is unknown when the observation shows that the device fails to respond to communication. The respective state of the device is unfulfilled when an ARP request comprising a destination address for the device is observed, and the device does not respond to the ARP request prior to expiration of a time limit. The respective state of a device is determined to be virtual when the observation shows that the device received a packet when its respective state was unfulfilled, and the device did not send a reply to the packet within a time limit.
    • 用于跟踪用于确定设备状态的通信的系统和方法。 观察设备之间的通信,并推断至少一个设备的相应状态。 推理是与设备直接通信而形成的。 设备的各种状态包括未知,已使用,未实现,虚拟,省略和自动。 当观察结果显示设备无法响应通信时,设备的相应状态是未知的。 当观察到包含设备的目的地地址的ARP请求时,设备的相应状态未被实现,并且设备在时限期满之前不响应ARP请求。 当观察结果表明设备在其各自的状态未实现时接收到分组时,设备的相应状态被确定为虚拟的,并且设备在时间限制内没有发送对分组的回复。