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217 条记录 (耗时 0.012 秒)

    Portable anemometer with collapsible rotors
    51.
    发明授权
    Portable anemometer with collapsible rotors 失效
    带折叠式转子的便携式风速计

    公开(公告)号：US4102188A

    公开(公告)日：1978-07-25

    申请号：US822325

    申请日：1977-08-05

    申请人： R. A. Simerl

    发明人： R. A. Simerl

    IPC分类号： G01P5/07 ,  G01F1/06

    CPC分类号： G01P5/07

    摘要： A portable type anemometer having light weight wind rotor cups arranged on arms extending radially from and pivotally connected to a spindle vertically journalled within and extending from a housing including apparatus for monitoring shaft rotation and registering wind velocity. The arms and cups are collapsible from active horizontal positions to upstanding generally parallel inactive vertical positions for anemometer storage purposes.

    摘要翻译： 一种便携式风力发电机，其具有重量轻的转子杯，其布置在臂上，径向延伸并枢转地连接到心轴，该心轴垂直安装在从包括用于监测轴旋转和记录风速的装置的壳体内延伸。 臂和杯可以从活动水平位置折叠到直立的大致平行的非活动垂直位置，用于风速计存储目的。

    Marine speedometer
    52.
    再颁专利
    Marine speedometer 失效

    公开(公告)号：USRE28839E

    公开(公告)日：1976-06-08

    申请号：US441270

    申请日：1974-02-11

    申请人： Ronald R. Overs

    发明人： Ronald R. Overs

    IPC分类号： G01P5/06 ,  G01P5/07

    CPC分类号： G01P5/06 ,  G01P5/07

    摘要： A low drag impeller wheel mounted in an enclosure which when installed in the hull of a ship will rotate through the force of water acting upon it, and operate magnetically a pulse generating mechanism that through a current responsive instrument will indicate the speed of the vessel.

    Signal averaging circuit
    54.
    发明授权
    Signal averaging circuit 失效
    信号平均电路

    公开(公告)号：US3936663A

    公开(公告)日：1976-02-03

    申请号：US500964

    申请日：1974-09-12

    申请人： Lucian W. Taylor ,  John M. Yarborough, Jr.

    发明人： Lucian W. Taylor ,  John M. Yarborough, Jr.

    IPC分类号： F02P5/15 ,  G01P3/489 ,  G01P5/00 ,  G01P5/07 ,  G06F7/38 ,  G06F17/18 ,  G06F15/20 ,  G01P3/52

    CPC分类号： G06F17/18 ,  G01P3/489 ,  G01P5/00 ,  G01P5/07

    摘要： An averaging circuit for producing average boat speed and average apparent wind speed which in cooperation with average apparent wind direction are utilized to determine the performance characteristics of sailing boats. Instantaneous values of the speed parameters are sampled at a predetermined frequency and a running average of N samples is generated by adding the most recent sample and discarding the oldest sample at periodic intervals. Display of the wind speed is delayed with respect to the display of boat speed to compensate for the effect of the inertia of the boat.

    摘要翻译： 用于产生平均船速和平均视在风速的平均电路，其与平均视在风向配合使用以确定帆船的性能特征。 以预定频率对速度参数的瞬时值进行采样，并通过添加最新的采样并以周期性间隔丢弃最旧的样本来生成N个采样的运行平均值。 显示风速相对于船速的显示而延迟，以补偿船的惯性的影响。

    Ship navigation equipment
    55.
    发明授权
    Ship navigation equipment 失效
    船舶导航设备

    公开(公告)号：US3924465A

    公开(公告)日：1975-12-09

    申请号：US45800974

    申请日：1974-04-04

    申请人： SEM SANDBERG SVERRE GEORGE

    发明人： SEM-SANDBERG SVERRE GEORGE

    IPC分类号： G09G3/00 ,  B63H25/00 ,  B63H25/52 ,  G01C21/00 ,  G01C21/20 ,  G01P5/07 ,  G01P13/02 ,  G09G3/20 ,  G01C21/10

    CPC分类号： G01C21/00 ,  G01P5/07 ,  G01P13/02

    摘要： A method and apparatus for ship navigation information display system is disclosed including continuous sensing of at least two of the following parameters: the ship''s speed relative to the water, compass course, wind direction and speed and similar magnitudes of importance for sailing the ship. Signals corresponding to the measured parameters and a signal calculated from the speed signal and corresponding to the total distance travel, are converted into digital form and are fed into a number of temporary stores and selector circuits, from which dependent on the setting of manually operated switches, at least one of these signals for conversion to a signal suitable for display on a digital display, the conversion taking place digit by digit utilizing a time multiplex procedure under the control of a common display control circuit.

    Flow-responsive circuit
    57.
    发明授权
    Flow-responsive circuit 失效
    流量回路

    公开(公告)号：US3641819A

    公开(公告)日：1972-02-15

    申请号：US3641819D

    申请日：1967-12-18

    申请人： COMBUSTION ENG

    发明人： KENDRICK GARY R

    IPC分类号： G01F1/115 ,  G01P5/07 ,  G01P13/00 ,  G01F1/00

    CPC分类号： G01P5/07 ,  G01F1/115 ,  G01P13/0046

    摘要： A circuit receives pulses of voltage from a fluid meter. A section of the circuit converts the pulses to a DC potential. The DC potential is connected to a transistor through a selection switch to control a relay actuation when the DC potential value changes from a preselected range of values. A time-delay section in the circuit provides a time period between the potential value change and relay actuation.

    摘要翻译： 电路从流量计接收电压脉冲。 电路的一部分将脉冲转换为直流电位。 直流电位通过选择开关连接到晶体管，以在直流电位值从预先选定的值范围变化时控制继电器动作。 电路中的延时部分提供了电位值变化和继电器动作之间的时间段。