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    • 7. 发明授权
    • Modular process transmitter having a scalable EMI/RFI filtering architecture
    • 具有可扩展的EMI / RFI滤波架构的模块化过程变送器
    • US06593857B1
    • 2003-07-15
    • US09638181
    • 2000-07-31
    • Weston RoperTodd M. BergeDavid G. TysonBrian L. WestfieldRichard L. Nelson
    • Weston RoperTodd M. BergeDavid G. TysonBrian L. WestfieldRichard L. Nelson
    • G08C1900
    • G01D1/00G01L13/026G01L19/0084G01L19/0663G01L19/069G01L19/083H01R13/527H01R29/00Y10S439/912Y10T29/49002
    • A modular process transmitter having a scalable EMI/RFI filtering architecture includes a unitized sensor module and a transmitter module. The unitized sensor module is adapted to operate as a stand-alone process transmitter. The transmitter module can couple to the unitized sensor module to expand the capabilities of the unitized sensor module. The unitized sensor module includes a sensor housing, a sensor circuit and a removable sensor EMI/RFI filtering circuit. The sensor circuit provides a sensor output in accordance with either a local format or a first communication protocol. The sensor EMI/RFI filtering circuit filters noise in accordance with the first communication protocol. The transmitter module includes a transmitter module housing, a communications circuit, and a transmitter module EMI/RFI filtering circuit. The communications circuit is adapted to receive the sensor output from the sensor circuit in the local format and generate a scalable output in accordance with a second communication protocol. The transmitter module EMI/RFI filtering circuit is adapted to replace the sensor EMI/RFI filtering circuit and filter noise in accordance with the second communication protocol.
    • 具有可扩展EMI / RFI滤波架构的模块化过程变送器包括单元化传感器模块和发射器模块。 单元化传感器模块适用于独立的过程变送器。 发射机模块可以耦合到单元化的传感器模块,以扩大组合式传感器模块的功能。 组合式传感器模块包括传感器外壳,传感器电路和可移动传感器EMI / RFI滤波电路。 传感器电路根据本地格式或第一通信协议提供传感器输出。 传感器EMI / RFI滤波电路根据第一个通信协议对噪声进行滤波。 发射机模块包括发射机模块外壳,通信电路和发射机模块EMI / RFI滤波电路。 通信电路适于以本地格式从传感器电路接收传感器输出,并根据第二通信协议生成可缩放的输出。 发射机模块EMI / RFI滤波电路适用于根据第二通信协议来替代传感器EMI / RFI滤波电路和滤波器噪声。
    • 8. 发明授权
    • Process control transmitter having an externally accessible DC circuit common
    • 具有外部可访问的DC电路的过程控制变送器是公共的
    • US06504489B1
    • 2003-01-07
    • US09571111
    • 2000-05-15
    • Brian L. WestfieldWeston RoperRichard L. Nelson
    • Brian L. WestfieldWeston RoperRichard L. Nelson
    • G08C1900
    • G08C19/02
    • Disclosed is a process control transmitter having an externally accessible DC circuit common that eliminates the need to perform level shifting of signals communicated between the transmitter and external processing electronics. The process control transmitter includes first, second and third terminals which feedthrough a housing. Circuitry contained in the housing is coupled to the first, second and third terminals and is adapted to communicate information to external processing electronics through the second and third terminals using a digital signal that is regulated relative to a DC common that is coupled to the second terminal. External processing electronics can couple to the second and third terminals and interpret the digital signal without having to perform level-shifting adjustments.
    • 公开了一种具有外部可访问的DC电路的过程控制发送器,其不需要执行在发射器和外部处理电子器件之间传送的信号的电平移位。 过程控制变送器包括穿过壳体的第一,第二和第三端子。 包含在壳体中的电路耦合到第一,第二和第三终端,并且适于使用相对于耦合到第二终端的DC公共端调节的数字信号通过第二和第三终端将信息传送到外部处理电子设备 。 外部处理电子器件可以耦合到第二和第三端子并且解释数字信号,而不必进行电平移位调整。
    • 9. 发明授权
    • Industrial process field device with improved battery assembly
    • 具有改进电池组件的工业过程现场设备
    • US08031453B2
    • 2011-10-04
    • US12114099
    • 2008-05-02
    • Richard L. NelsonJames A. Johnson
    • Richard L. NelsonJames A. Johnson
    • H02H3/24
    • H01M2/1055G05B2219/24136G05B2219/25428H01M2200/00H01M2200/103H05K7/1462
    • An industrial process field device is provided. The device includes wireless process field device electronics disposed within the industrial process field device and at least one battery cell disposed within the industrial process field device and operably coupled to the wireless process field device electronics. A circuit is provided that senses an electrical characteristic related to the at least one cell and provides an output to a switch to decouple the at least one cell from the industrial process field device electronics in response to certain conditions. Such conditions include too much current flowing from the at least one cell; the voltage of the at least one cell being too low; or a short circuit being generated or otherwise observed.
    • 提供工业过程现场设备。 该设备包括布置在工业过程现场设备内的无线工艺现场设备电子设备和设置在工业过程现场设备内并且可操作地耦合到无线工艺现场设备电子设备的至少一个电池单元。 提供了一种电路,其感测与所述至少一个电池相关的电特性并且向开关提供输出以响应于某些条件将所述至少一个电池与工业过程现场设备电子器件分离。 这样的条件包括从至少一个电池流出的太多的电流; 所述至少一个电池的电压太低; 或产生或以其他方式观察到的短路。
    • 10. 发明授权
    • Facsimile apparatus and method of operation
    • 传真机和操作方法
    • US4317139A
    • 1982-02-23
    • US031949
    • 1979-04-20
    • Richard L. Nelson
    • Richard L. Nelson
    • G03G15/05G01D15/06G03G15/22H04N1/00H04N1/032H04N1/14
    • H04N1/032G01D15/06H04N1/14
    • In a facsimile receiver, a copy medium is advanced between a platen of triangular cross-section and a plurality of stylii mounted on a moving belt. The platen is rotatable so as to allow different edges of the platen at the apices of the triangular cross-section to be placed in contact with the copy medium. In addition, the platen may be rotated to a position where a flat side of the platen is juxtaposed to the copy medium so as to allow the copy medium to be fed between the stylii and the platen during loading and unloading. The stylii are formed from sheet-like members with a broad surface in contact with the copy medium. Three such stylii are mounted on a sheet metal belt through which the stylii are electrically energized as the belt moves.
    • 在传真接收机中,复印介质在三角形横截面的台板和安装在移动带上的多个指针之间前进。 压板可旋转,以便允许在三角形横截面的顶点处的压板的不同边缘与复印介质接触。 此外,压板可以旋转到压板的平坦侧与复印介质并置的位置,以便在装载和卸载期间允许复印介质在样式和压板之间供给。 触针由具有与复印介质接触的宽表面的片状构件形成。 三个这样的笔杆安装在钣金带上,当皮带移动时,通过该金属带将电气电通电。