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    • 4. 发明申请
    • Large Scale LED Display
    • 大尺寸LED显示屏
    • US20090146919A1
    • 2009-06-11
    • US12273884
    • 2008-11-19
    • Daniel S. KlineMatthew W. ShankleDavid F. CoxJames C. LeeSam R. Sarcia
    • Daniel S. KlineMatthew W. ShankleDavid F. CoxJames C. LeeSam R. Sarcia
    • G09G3/14
    • G09G3/32G09F9/3026G09F9/33G09G2360/04
    • A large scale LED display has a number of display panels each having a cable and spacer support structure for a number of LED modules. Adjacent display panels are connected together by a number of seam links that snap onto one cable of one of the display panels and one cable of the adjacent display panel. The cables may include a number of seam link engagement members spaced along the length of the cable and onto which the seam links snap wherein each of the seam link engagement members locates an LED module on the support structure. The LED modules include top and bottom housing sections that snap together, wherein one of the housing sections includes a seat for an electrical connector. The seat locates the connector and a printed circuit assembly within the LED module.
    • 大型LED显示器具有多个显示面板,每个显示面板具有用于多个LED模块的电缆和间隔件支撑结构。 相邻的显示面板通过多个接缝连接在一起,这些接缝链接到一个显示面板的一个电缆和相邻显示面板的一个电缆。 电缆可以包括沿着电缆的长度间隔开的多个接缝连接件接合构件,接缝连接件卡在其上,其中每个接缝连接件接合构件将LED模块定位在支撑结构上。 LED模块包括卡合在一起的顶部和底部壳体部分,其中一个壳体部分包括用于电连接器的座。 座椅将连接器和印刷电路组件放置在LED模块内。
    • 5. 发明授权
    • Modular drill rig erection systems
    • 模块化钻机安装系统
    • US4135340A
    • 1979-01-23
    • US775558
    • 1977-03-08
    • David F. CoxTom T. Hashimoto
    • David F. CoxTom T. Hashimoto
    • E04H12/34E21B15/00E21C5/00
    • E04H12/34E21B15/00
    • A system for erecting elevated floors where a first support floor with a drawworks thereon is connected to one end of a base structure by two pair of parallel spaced pivotable links and a second support floor is coupled to the opposite end of the base structure and by two pair of parallel spaced pivotable links. In accordance with the invention a strong back is erected about midway of the length of the base forming a rigid frame and supporting elevated sheaves at each side of the base structure. A pair of cables are adapted to pass over said sheaves, one on each side of said base structure and connect first to said first floor for erection and then to said second floor for erection.
    • 一种用于架设高架地板的系统,其上具有绞车的第一支撑地板通过两对平行间隔开的​​可枢转连杆连接到基座结构的一端,而第二支撑底板连接到基座结构的相对端,并且两个 一对平行间隔开的​​可枢转连杆。 根据本发明,在形成刚性框架的基部的长度的中间部分竖立着坚固的背部,并且在基部结构的每一侧支撑升高的滑轮。 一对电缆适于穿过所述滑轮,一个在所述基座结构的每一侧,并且首先连接到所述第一层用于架设,然后连接到所述第二层用于架设。
    • 6. 发明授权
    • Low voltage to extra high voltage level shifter and related methods
    • 低电压至超高压电平转换器及相关方法
    • US07030654B2
    • 2006-04-18
    • US10920630
    • 2004-08-18
    • Erik J. MentzeHerbert L. HessKevin M. BuckDavid F. Cox
    • Erik J. MentzeHerbert L. HessKevin M. BuckDavid F. Cox
    • H03K19/0175
    • H03K19/018521
    • Shifter circuits comprise a matched translation stack comprising at least first and second stacks each of which comprising multiple transistors. The matched translation stack is configured to provide a primary logic level shift between a voltage level away from which a shift is desired (VddL) and a voltage level to which the shift is desired (VddH). One or more high voltage buffer stages are provided, at least one of which being connected with and biased by the matched translation stack. At least one high voltage buffer stage comprises multiple transistors arranged in a transistor stack that is biased by the first stack of the matched translation stack, and is connected to receive an input supplied by the second stack of the matched translation stack. The high voltage buffer stage also comprises an inverter that drives an output stage which is also driven by a low voltage buffer stage.
    • 移位器电路包括匹配的翻译堆栈,其包括至少第一和第二堆叠,每个堆叠包括多个晶体管。 匹配的翻译堆栈被配置为提供远离所需移位的电压电平(V SUB)与要期望移位的电压电平之间的主逻辑电平移位(V SUB) ddH )。 提供一个或多个高电压缓冲级,其中至少一个与匹配的翻译堆叠连接并由其匹配。 至少一个高电压缓冲器级包括布置在晶体管堆叠中的多个晶体管堆叠的晶体管,该晶体管堆叠由匹配的转换堆叠的第一堆叠偏置,并被连接以接收由匹配的翻译堆叠的第二堆叠提供的输入。 高电压缓冲器级还包括驱动也由低电压缓冲级驱动的输出级的反相器。
    • 10. 发明授权
    • Low voltage to high voltage level shifter and related methods
    • 低电压至高电平电平转换器及相关方法
    • US07112995B2
    • 2006-09-26
    • US10920639
    • 2004-08-18
    • Erik J. MentzeHerbert L. HessKevin M. BuckDavid F. Cox
    • Erik J. MentzeHerbert L. HessKevin M. BuckDavid F. Cox
    • H03K19/0175
    • H03K19/018521
    • A shifter circuit comprises a high and low voltage buffer stages and an output buffer stage. The high voltage buffer stage comprises multiple transistors arranged in a transistor stack having a plurality of intermediate nodes connecting individual transistors along the stack. The transistor stack is connected between a voltage level being shifted to and an input voltage. An inverter of this stage comprises multiple inputs and an output. Inverter inputs are connected to a respective intermediate node of the transistor stack. The low voltage buffer stage has an input connected to the input voltage and an output, and is operably connected to the high voltage buffer stage. The low voltage buffer stage is connected between a voltage level being shifted away from and a lower voltage. The output buffer stage is driven by the outputs of the high voltage buffer stage inverter and the low voltage buffer stage.
    • 移位电路包括高低电压缓冲级和输出缓冲级。 高电压缓冲级包括布置在晶体管堆叠中的多个晶体管,其具有沿堆叠连接各个晶体管的多个中间节点。 晶体管堆叠被连接在被移位的电压电平和输入电压之间。 该级的逆变器包括多个输入和一个输出。 逆变器输入连接到晶体管堆叠的相应中间节点。 低电压缓冲级具有连接到输入电压和输出的输入,并且可操作地连接到高电压缓冲级。 低电压缓冲级连接在远离电压和较低电压的电压电平之间。 输出缓冲级由高压缓冲级反相器和低电压缓冲级的输出驱动。