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    • 81. 发明申请
    • Trolling motor with integral sonar transducer
    • 带有整体声纳传感器的电动马达
    • US20020013106A1
    • 2002-01-31
    • US09900756
    • 2001-07-07
    • Robert W. Healey
    • B60L011/02
    • B63H20/007G01S7/521G01S15/025
    • A trolling motor having an integral sonar transducer including: a submerged motor housing; an electric motor housed in the housing; a sonar transducer housed in the housing; a motor controller having a pulse width modulated output and a shielded electrical cable connecting the sonar transducer to a sonar device. Noise from all sources (i.e., electrical noise from ground loops, radio frequency interference, and magnetic interference) is suppressed in the output signal of the transducer through a number of techniques. The electrical cable includes an outer shield connected to the chassis ground of the trolling motor; an inner shield connected to the circuit ground of the sonar device; and a pair of signal carrying conductors comprising a twisted pair. In addition, the resonant frequency of the transducer is selected such that it is not a harmonic of the operating frequency of the pulse width modulated output of the motor controller.
    • 具有整体声纳换能器的拖钓马达包括:潜水马达壳体; 容纳在壳体中的电动马达; 容纳在壳体中的声纳换能器; 具有脉宽调制输出的电动机控制器和将声纳换能器连接到声纳装置的屏蔽电缆。 通过多种技术,在传感器的输出信号中抑制来自所有来源的噪声(即,来自接地回路的电噪声,射频干扰和磁干扰)。 电缆包括连接到拖钓马达的底盘接地的外屏蔽件; 连接到声纳装置的电路接地的内屏蔽; 以及包括双绞线的一对信号承载导体。 此外,选择换能器的谐振频率使得它不是马达控制器的脉宽调制输出的工作频率的谐波。
    • 82. 发明授权
    • Autonomous survey system (auto survey)
    • 自主调查系统(汽车调查)
    • US06338023B1
    • 2002-01-08
    • US09476332
    • 2000-01-03
    • Brian S. BourgeoisAndrew B. MartinezPeter J. AllemanJami J. CheramieJohn M. Gravley
    • Brian S. BourgeoisAndrew B. MartinezPeter J. AllemanJami J. CheramieJohn M. Gravley
    • G06F1900
    • G01S15/89G01C13/008G01S15/025
    • The autonomous survey system (AutoSurvey) is used to automatically maximize area coverage with swath sensors and to minimize survey time while ensuring the collected data meets specified quality constraints. The autonomous survey system (AutoSurvey) evaluates the effects of the environment and system performance on the collected survey data by modulizing the data collection into a series of modules—data collection and error detection, data georectification, data quality validation, swath-edge fit, next-line way point generation, and the autopilot. All of these processes are implemented in near real-time, allowing unfettered survey progress. The data is applied directly between processes, providing operator independent system operation; the autosurvey system directly controls the survey vessel via the autopilot. Through the real-time data acquisition the system provides automation of the operator quality and coverage assessment tasks and also provides quantified data assessment. The operator is able to adjust the system operating parameters to compensate for ambient conditions and to determine subsequent navigation way points as a function of the specified survey criteria.
    • 自动测量系统(AutoSurvey)用于通过幅度传感器自动最大化区域覆盖范围,并尽可能减少调查时间,同时确保收集的数据符合规定的质量约束。 自动调查系统(AutoSurvey)通过将数据收集模块化为一系列模块来评估环境和系统性能对收集的调查数据的影响 - 数据收集和错误检测,数据地理,数据质量验证,条纹边缘拟合, 下一线路点生成和自动驾驶仪。 所有这些过程都实时实施,允许不受约束的调查进展。 数据直接应用于流程之间,提供操作员独立的系统操作; 自动巡航系统通过自动驾驶仪直接控制测量船。 通过实时数据采集,系统提供运营商质量和覆盖评估任务的自动化,并提供量化的数据评估。 操作员能够调整系统操作参数以补偿环境条件并根据指定的测量标准来确定随后的导航点。
    • 86. 发明授权
    • Ultrasonic liquid level gauge for tanks subject to movement and vibration
    • 用于运动和振动的油罐的超声波液位计
    • US5793705A
    • 1998-08-11
    • US710454
    • 1996-09-18
    • Denos Constantinos GazisWilliam Francis KaneRobert Jacob von Gutfeld
    • Denos Constantinos GazisWilliam Francis KaneRobert Jacob von Gutfeld
    • G01F23/296G01S15/02G01S15/10G01S15/88G10K11/00G01S15/00
    • G01F23/2962G01F23/296G01S15/025G01S15/101G10K11/004G01S15/88
    • One or more high-frequency ultrasonic transducers are used to measure the liquid level of tanks containing any type of fluid, but fuel in particular. The invention relates specifically to tanks that are subject to movement and vibration which generally makes the use of ultrasonic echoes unreliable for obtaining accurate level measurements. A special algorithm is used to obtain the temporal center of the distribution of echo arrival times over a preset time interval. From this temporal center of an echo distribution, the liquid level is readily obtained through the acoustic velocity, time and distance relationship. An annular piezoelectric plate, independently driven at low ultrasonic frequencies (kHz range), mounted on the tank bottom surrounds the high frequency ultrasonic transducer. The function of the piezoelectric plate is to send out propagating ultrasonic waves (essentially longitudinal) to maintain the tank area in the immediate region of the high-frequency transducer free from debris and sediment deposits at the bottom of the tank thereby avoiding the uncertainty in the measurement that is introduced by debris on the tank bottom.
    • 使用一个或多个高频超声波换能器来测量包含任何类型的流体,特别是燃料的罐的液面。 本发明具体涉及经受移动和振动的罐,其通常使得超声回波的使用不可靠以获得精确的液位测量。 使用一种特殊的算法来获得预设时间间隔内回波到达时间分布的时间中心。 从回波分布的这个时间中心,通过声速,时间和距离关系容易地获得液位。 安装在罐底部的低超声波频率(kHz范围)独立驱动的环形压电板围绕高频超声波换能器。 压电板的功能是发出传播的超声波(基本上是纵向的),以保持高频换能器的直接区域中的储罐区域没有在罐底部的碎片和沉积物沉积,从而避免了在 由坦克底部的碎片引入的测量。
    • 87. 发明授权
    • Ultrasound and impedance feedback system for use with electrosurgical
instruments
    • 超声和阻抗反馈系统用于电外科器械
    • US5733281A
    • 1998-03-31
    • US619829
    • 1996-03-19
    • Paul C. Nardella
    • Paul C. Nardella
    • G01S15/02G01S15/88A61B17/36
    • G01S15/025A61B18/1206A61B7/00G01S15/88A61B18/20A61B2017/00106A61B2017/00115A61B2018/00702A61B2018/00773A61B2018/00875
    • An electrosurgical feedback system for detecting the effects of electrosurgical energy on tissue. The feedback system can include an acoustical detection element that acoustically detects the effects of energy on tissue and then generates an acoustic output signal indicative of these energy effects. A power regulation element, in response to the acoustic output signal, regulates the electrosurgical energy supplied to the tissue. Alternatively, the feedback system can include an impedance determination circuit that determines the impedance of the tissue. The tissue determination stage can include a first and second differentiator circuit to determine the time-based derivative of the measured tissue impedance. The tissue determination stage generates an impedance output signal of either the first or second derivative of the tissue impedance, which is conveyed to the power regulation element. The regulation element regulates the amount of energy supplied to the tissue in response to the impedance output signal.
    • 一种用于检测电外科能量对组织的影响的电外科反馈系统。 反馈系统可以包括声学检测元件,其声学地检测能量对组织的影响,然后产生指示这些能量效应的声输出信号。 响应于声输出信号的功率调节元件调节供应到组织的电外科能量。 或者,反馈系统可以包括确定组织的阻抗的阻抗确定电路。 组织确定阶段可以包括第一和第二微分器电路,以确定所测量的组织阻抗的基于时间的导数。 组织确定阶段产生被传送到功率调节元件的组织阻抗的第一或第二导数的阻抗输出信号。 调节元件响应于阻抗输出信号调节供应到组织的能量的量。
    • 88. 发明授权
    • System for preventing collision for vehicle
    • 防止车辆碰撞的系统
    • US5714928A
    • 1998-02-03
    • US635284
    • 1996-04-19
    • Tsugio SudoTakao Nagai
    • Tsugio SudoTakao Nagai
    • B60Q1/52B60T7/22G01S15/02G01S15/93G01S17/02G01S17/93B60R1/00
    • G01S17/936B60T7/22G01S15/931G01S15/025G01S17/023
    • A collision preventing system for a vehicle has a brake system. The system includes first preview sensor detecting an obstacle in front of the vehicle in a first distal detection zone to produce a first signal indicative of presence of the obstacle and distance between the obstacle and the front end of the vehicle, and a second preview sensor detecting the obstacle in front of the vehicle in a second proximal detection zone to produce a second signal indicative of at least presence of the obstacle. The system further includes third vehicle speed sensor detecting vehicular traveling speed and generating a vehicle speed indicative signal. A control unit is connected to the first and second preview sensor for receiving the first and second signals. The control unit is responsive to the first signal for deriving vehicular deceleration pattern for stopping the vehicle without colliding on the obstacle on the basis of the distance between the obstacle and the front end of the vehicle and the vehicle speed indicated by the vehicle speed indicative signal, and responsive to the second signal for operating the brake system for instant stop of the vehicle.
    • 一种用于车辆的防撞系统具有制动系统。 该系统包括第一预测传感器,其在第一远端检测区域中检测车辆前方的障碍物,以产生指示障碍物的存在和障碍物与车辆前端之间的距离的第一信号,以及第二预测传感器检测 在第二近侧检测区域中的车辆前方的障碍物,以产生指示至少存在障碍物的第二信号。 该系统还包括第三车速传感器检测车辆行驶速度并产生车速指示信号。 控制单元连接到第一和第二预览传感器,用于接收第一和第二信号。 所述控制单元响应于所述第一信号,用于根据所述障碍物与所述车辆的前端之间的距离和由所述车辆速度指示信号指示的车速,导出用于停止所述车辆而不与所述障碍物碰撞的车辆减速模式 并且响应于用于操作制动系统的第二信号以便立即停止车辆。
    • 90. 发明授权
    • Magnetic relative position measuring system
    • 磁相对位置测量系统
    • US5444669A
    • 1995-08-22
    • US625241
    • 1990-12-10
    • Donald G. Polvani
    • Donald G. Polvani
    • F41G7/00F41G7/22F41G9/00G01S15/02G01V3/08F41F5/00
    • F41G7/228F41G7/008F41G9/008G01S15/025G01V3/081
    • A torpedo relative position measuring system, including an active sonar system and a passive magnetic system, is coupled to computing apparatus which operates in response to a set of stored computer programs, all located in the torpedo for homing in on a ferrous target. At long ranges and mid ranges, the torpedo is directed to the target by the sonar system, while at near ranges the magnetic system determines the x, y, z, relative position coordinates between the target and the torpedo in accordance with a calibrated stored magnetic model of the target and numerical solution of the non-linear equations linking the target's magnetic field, as measured at the torpedo, with the target's relative position. Guidance information derived therefrom is then fed to the torpedo's guidance system. With the magnetic system providing the relative position of the target at close range, the torpedo's normal guidance system can readily steer the torpedo to a desired hit point on the target.
    • 包括主动声纳系统和被动磁系统的鱼雷相对位置测量系统耦合到响应于一组存储的计算机程序而操作的计算设备,所述一组存储的计算机程序都位于鱼雷中,用于归位在铁物体上。 在长距离和中距离范围内,鱼雷通过声纳系统定向到目标,而在近程范围内,磁系统根据校准的存储磁场确定目标和鱼雷之间的x,y,z,相对位置坐标 目标模型和将鱼雷测得的目标磁场与目标的相对位置相联系的非线性方程的数值解。 然后将从其导出的指导信息提供给鱼雷的引导系统。 利用磁力系统提供目标在近距离范围内的相对位置,鱼雷的正常引导系统可以方便地将鱼雷引导到目标上所需的命中点。