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1. 发明授权

US06966387B2 Universal optical adapter for a three dimensional earthgrading system 失效
标题翻译：用于三维土壤系统的通用光学适配器
公开(公告)号：US06966387B2
公开(公告)日：2005-11-22
申请号：US10133308
申请日：2002-04-25
申请人： Emden E. Marriott, Jr. , John W. Fletcher
发明人： Emden E. Marriott, Jr. , John W. Fletcher
IPC分类号： E02F3/76 , E02F3/84 , G01B11/26 , G01C3/20 , G01C15/06
CPC分类号： E02F3/76 , E02F3/842
摘要： A universal optical adapter assembly for use with a planar automatic grading system for an earth-moving vehicle having a grading implement that defines a graded surface. The automatic grading system includes an energy beam receiver mounted on the earth-moving vehicle and operable for detecting the height at which a datum energy beam strikes the receiver along a detection portion thereof. A control device is operably coupled to the energy beam receiver and the grading implement to control the elevation of the grading implement in response to the position at which the datum energy beam strikes the detection portion of energy beam receiver. The optical interface adapter assembly includes an optical interface apparatus having an energy source emitting one or more implement controlling energy beams strategically onto selected positions of the detection portion the energy beam receiver to control the elevation of the grading implement. Mounting structure is included which is configured to mount the interface apparatus substantially adjacent to the detection portion of the energy beam receiver.
摘要翻译：一种与用于地球运动车辆的平面自动分级系统一起使用的通用光学适配器组件，其具有限定渐变表面的分级工具。自动分级系统包括安装在地面移动车辆上的能量束接收器，其可操作用于检测基准能量束沿其检测部分撞击接收器的高度。控制装置可操作地耦合到能量束接收器和分级工具，以响应于基准能量束撞击能量束接收器的检测部分的位置来控制分级工具的高度。光学接口适配器组件包括一个光学接口装置，该光学接口装置具有发射一个或多个能量束的能量源，该能量源将能量束策略地控制在能量束接收器的检测部分的选定位置上，以控制分级器具的高度。包括安装结构，其构造成将接口装置基本上邻近能量束接收器的检测部分安装。

2. 发明授权

US4733355A Non-contacting range sensing and control device 失效
标题翻译：非接触范围感测和控制装置
公开(公告)号：US4733355A
公开(公告)日：1988-03-22
申请号：US828155
申请日：1986-02-10
申请人： Richard W. Davidson , John W. Fletcher
发明人： Richard W. Davidson , John W. Fletcher
IPC分类号： E02F3/84 , G01S15/18 , A01D75/28
CPC分类号： G01S15/18 , E02F3/842 , E02F3/847 , B60G2300/09 , B60G2401/176
摘要： A non-contacting range sensing and control device for controlling the position of a grading implement relative to a datum is disclosed. The device includes a non-contacting distance measuring device that periodically measures the separation distance between the distance measuring device and the datum. Also included is a reference circuit that defines consecutive first, second, and third intervals for comparison to the separation distance, and a comparison circuit that periodically compares the intervals to the separation distance, and generates a positive error signal if the separation distance is within the limits of the first interval, generates no error signal if the separation distance is within the limits of the second interval, and generates a negative error signal if the separation distance is within the limits of the third interval.
摘要翻译：公开了一种用于控制分级工具相对于基准的位置的非接触式范围感测和控制装置。该装置包括周期性地测量距离测量装置与基准面之间的距离的非接触式距离测量装置。还包括一个参考电路，其定义用于与分离距离进行比较的连续的第一，第二和第三间隔，以及比较电路，其周期性地将间隔与间隔距离进行比较，并且如果分离距离在如果间隔距离在第二间隔的限度内，则第一间隔的极限不产生误差信号，如果间隔距离在第三间隔的限度内，则产生负误差信号。

3. 发明授权

US08080977B1 Power monitor 失效
标题翻译：电源监视器
公开(公告)号：US08080977B1
公开(公告)日：2011-12-20
申请号：US12228726
申请日：2008-08-16
申请人： John W. Fletcher
发明人： John W. Fletcher
IPC分类号： H01M10/44 , H01M10/46
CPC分类号： H01M10/44 , H01M10/48
摘要： A power monitor for indicating that a power outage has occurred is provided. The power monitor comprises an outer casing with a pair of electrical prongs extending from the outer casing. An AC relay is mounted within the outer casing and electrically connected to the prongs with the AC relay disconnecting when power is lost. A DC relay is mounted within the outer casing and electrically connected to the AC relay with the DC relay energized upon disconnection of the AC relay. A timer clock is mounted within the outer housing with the timer clock activated upon activation of the DC relay. A display screen is mounted on the outer casing for visually displaying the amount of time generated by the timer clock.
摘要翻译：提供了用于指示发生停电的电力监视器。功率监视器包括具有从外壳延伸的一对电插脚的外壳。交流继电器安装在外壳内，并在断电时与交流继电器断开连接，与插脚电连接。直流继电器安装在外壳内并与交流继电器电连接，直流继电器在断开交流继电器时通电。定时器时钟安装在外壳内，定时器时钟在激活直流继电器时激活。显示屏安装在外壳上，用于可视地显示定时器时钟产生的时间量。

4. 发明授权

US4820041A Position sensing system for surveying and grading 失效
标题翻译：位置传感系统用于测量和分级
公开(公告)号：US4820041A
公开(公告)日：1989-04-11
申请号：US930792
申请日：1986-11-12
申请人： Richard W. Davidson , John W. Fletcher
发明人： Richard W. Davidson , John W. Fletcher
IPC分类号： E02F3/84 , E02F9/20 , G01C15/00 , G01S5/16 , G01C3/20 , E02F3/76 , G01B11/26 , G01C15/06
CPC分类号： G01C15/004 , E02F3/842 , E02F3/847 , E02F9/2025 , G01S5/16
摘要： A position sensing apparatus and method useful for surveying, marking, and grading implement sensing and control is disclosed. The position sensing apparatus includes two laser reference stations, each of which projects a laser beam that periodically sweeps in a plane across the area to be surveyed. Each time a laser beam strikes the opposite reference station, a radio timing signal is broadcast by that reference station. The position sensing apparatus also includes a portable sensing station that comprises a laser beam receiver, a radio reciever, and a programmed computer. The planar position of the portable sensing station relative to the reference stations is computed by a triangulation technique based on the relative timing of detection of the laser beams by the laser beam receiver and the reception of the radio timing signals by the radio receiver. Elevation is determined according to the height at which one of the laser beams strikes the laser beam receiver.
摘要翻译：公开了一种用于测量，标记和分级实现感测和控制的位置检测装置和方法。位置检测装置包括两个激光基准站，每个激光基准站投射一个激光束，该激光束在待测区域周围扫描一个平面。每次激光束撞击相对的参考站时，无线电定时信号由该参考站广播。位置检测装置还包括便携式感测站，其包括激光束接收器，无线电接收器和编程的计算机。便携式感测站相对于参考站的平面位置通过基于激光束接收机对激光束的检测的相对定时和无线电接收机对无线电定时信号的接收的三角测量技术来计算。根据激光束中的一个激光束接收器的高度来确定仰角。

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