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    • 91. 发明授权
    • Omnidirectional sonde and line locator
    • 全向探头和定位仪
    • US07498816B1
    • 2009-03-03
    • US11932205
    • 2007-10-31
    • Mark S. OlssonRay MerewetherDavid A. CoxMichael J. MartinBradley D. BarnicoatThomas R. KolbRandall P. Hilton
    • Mark S. OlssonRay MerewetherDavid A. CoxMichael J. MartinBradley D. BarnicoatThomas R. KolbRandall P. Hilton
    • G01V3/11
    • G01V3/15
    • At least one antenna array including three mutually orthogonal antennas each sharing a common center point senses an electromagnetic signal emitted by a buried object such as a utility line, pipe or sonde. A circuit at least partially mounted in a housing is connected to the array and determines a location of the buried object by measuring signal strength and field angles in three dimensions without having to align the antenna array relative to the buried object while eliminating nulls and false peaks. A graphical user interface (GUI) has user-friendly icons, symbols, menus, numbers and graphical and auditory representation of signal strength. A SEARCH view indicates signal strength by showing a rotating strength indicator, a trace mode MAP view in which line location is shown by a line that moves side-to-side, and a sonde mode MAP view in which sonde location is shown by a moving line, pole and equator.
    • 每个共享公共中心点的包括三个相互正交的天线的至少一个天线阵列感测由诸如公用事业线,管道或探测器的掩埋物体发射的电磁信号。 至少部分地安装在壳体中的电路连接到阵列并且通过在三维中测量信号强度和场角来确定掩埋物体的位置,而不必相对于掩埋物体对准天线阵列,同时消除零峰和假峰 。 图形用户界面(GUI)具有用户友好的图标,符号,菜单,数字以及信号强度的图形和听觉表示。 SEARCH视图通过显示旋转强度指示器,跟踪模式MAP视图来指示信号强度,其中线路位置由侧向移动的线示出,以及探空模式MAP视图,其中探测器位置由移动 线,极和赤道。
    • 93. 发明申请
    • Three-Dimensional Topology Building Method and System
    • 三维拓扑构建方法与系统
    • US20080281839A1
    • 2008-11-13
    • US12117576
    • 2008-05-08
    • Timothy D.C. BevanMichael J. MartinPaul J. Watson
    • Timothy D.C. BevanMichael J. MartinPaul J. Watson
    • G06F17/30
    • G06F17/30241
    • This patent application is for a method and system that takes any arbitrary pre-existing geometric data and builds ISO 19107 compliant 3-Dimensional (3D) topology rather than requiring an incremental build of the topology. In accordance with at least one embodiment of the present invention, a method for integrating a three-dimensional feature geometry into a three-dimensional topology in a database includes adding a three-dimensional feature geometry into a table in a database; passing the three-dimensional feature geometry to a three-dimensional topology engine and a cache; performing a spatial refinement to determine a number of topology primitives in an existing three-dimensional geometry in the database that are near to topology primitives of the three-dimensional feature geometry; obtaining a number of relevant nearby spatial topology primitives in the geometries using a spatial search; performing an interaction refinement to determine a precise set of the number of relevant nearby topology primitives in the geometries that have spatial interactions; determining a common section of each topology primitive in the number of relevant nearby topology primitives that have spatial interactions; validating that the three-dimensional feature geometry fits into the three-dimensional topology table using a plurality of rules; and saving the validated three-dimensional feature geometry in the database.
    • 该专利申请是用于采用任何预先存在的任意几何数据并构建符合ISO 19107标准的三维(3D)拓扑结构的方法和系统,而不需要增量构建拓扑。 根据本发明的至少一个实施例,用于将三维特征几何集成到数据库中的三维拓扑中的方法包括将三维特征几何添加到数据库中的表中; 将三维特征几何传递到三维拓扑引擎和缓存; 执行空间细化以确定数据库中近似于三维特征几何的拓扑基元的现有三维几何中的拓扑基元的数量; 使用空间搜索在几何中获得多个相关的邻近空间拓扑基元; 执行交互细化以确定具有空间交互的几何中相关邻近拓扑图元的精确数量集合; 确定具有空间相互作用的相关附近拓扑图元数目中每个拓扑原语的公共部分; 使用多个规则验证三维特征几何适合三维拓扑表; 并将验证的三维特征几何保存在数据库中。
    • 94. 发明授权
    • Locator with apparent depth indication
    • 具有明显深度指示的定位器
    • US07332901B2
    • 2008-02-19
    • US11106894
    • 2005-04-15
    • Mark S. OlssonMichael J. MartinChristoph H. MaierPaul G. Stuart
    • Mark S. OlssonMichael J. MartinChristoph H. MaierPaul G. Stuart
    • G01V3/08G01V3/12
    • G01R29/0871G01R29/0878G01V3/15
    • A human-portable utility locator system for locating and tracing a buried utility line characterized by an electromagnetic field emission. The locator may include a horizontal spaced sensor pair for detecting the horizontal field asymmetry of the emitted field in one or more independent frequency bands, which is employed to assist in determining an accurate “virtual depth” measurement for producing detection events. An event detector may be disposed to detect events corresponding to extremum in the B-field gradient with respect to time and a user interface (UI) coupled to the event detector signals the detected event to a user. In a preferred embodiment, one pair of spaced-apart 3D magnetic sensor arrays is disposed substantially orthogonal to another intermediate spaced-apart pair of sensors.
    • 一种人造便携式实用定位系统,用于定位和跟踪以电磁场发射为特征的埋地公用事业线。 定位器可以包括用于检测一个或多个独立频带中的发射场的水平场不对称性的水平间隔传感器对,其用于帮助确定用于产生检测事件的精确“虚拟深度”测量。 可以设置事件检测器以相对于时间检测对应于B场梯度中的极值的事件,并且耦合到事件检测器的用户界面(UI)将检测到的事件发信号给用户。 在优选实施例中,一对间隔开的3D磁传感器阵列基本上与另一中间间隔开的传感器对正交设置。
    • 98. 发明授权
    • Sensing print media size to temperature control a multi-heating element
fixing device
    • 感应打印介质尺寸以控制多加热元件固定装置
    • US06011939A
    • 2000-01-04
    • US126628
    • 1998-07-30
    • Michael J. Martin
    • Michael J. Martin
    • G03G15/00G03G15/20G03G21/00
    • G03G15/2042
    • A fixing device control system controls multiple heating elements included in the fuser so that the duty cycle of the power applied to the multiple heating elements results in an optimal temperature profile over the length of the fuser. Multiple thermistors are used in a feedback control circuit to regulate the temperature profile of the fuser. A formatter uses print data from a host to generate data defining the size and location of a printing area on the print media. Using the data defining the size and location of the printing area, the formatter generates a command to send to a controller. The controller applies power to the multiple heating elements in order to generate the fuser temperature profile corresponding to the command. In a first embodiment of the fixing device control system, the formatter generates the command by using the data defining the size and location of the printing area to access information stored in a table. In a second embodiment of the fixing device control system, the formatter computes the command from the data defining the printing area.
    • 定影装置控制系统控制包括在定影器中的多个加热元件,使得施加到多个加热元件的功率的占空比导致在定影器长度上的最佳温度分布。 在反馈控制电路中使用多个热敏电阻来调节定影器的温度曲线。 格式器使用来自主机的打印数据来生成定义打印介质上打印区域的大小和位置的数据。 使用定义打印区域的大小和位置的数据,格式化程序生成一个发送给控制器的命令。 控制器对多个加热元件施加电力,以便产生与该命令对应的定影温度曲线。 在定影装置控制系统的第一实施例中,格式器通过使用定义打印区域的大小和位置的数据来访问存储在表中的信息来生成命令。 在定影装置控制系统的第二实施例中,格式化器从定义打印区域的数据计算命令。