Digital data recorder
    1.
    发明授权
    Digital data recorder 失效
    数字数据记录仪

    公开(公告)号:US3860914A

    公开(公告)日:1975-01-14

    申请号:US32191073

    申请日:1973-01-08

    CPC classification number: G21C17/12 H03K21/403 H03K23/56

    Abstract: A digital data recorder is described having inherent circuitry characteristics that will re-establish the recorded data state previously established just prior to a power failure upon the return of the source power supply. The retentive characteristics of the recorder are supplied from an arrangement of magnetic memory cores which controllably vary the time constants associated with given portions of the circuitry of a digital counter comprising the major subunit of this invention. In one embodiment the counter is supplied with a zero inhibit to prevent reverse counting past the zero output state, thus preventing a false indication of the recorded data. The circuitry thus described, basically comprising solid state elements, provides a compact, resilient unit with no mechanical moving elements.

    Abstract translation: 描述了具有固有电路特性的数字数据记录器,其将在源电源返回时重新建立在电源故障之前先前建立的记录数据状态。 记录器的保持特性由磁性存储器核心的配置提供,磁存储器核心可控制地改变与包括本发明的主要子单元的数字计数器的电路的给定部分相关联的时间常数。 在一个实施例中,计数器被提供零禁止,以防止反向计数超过零输出状态,从而防止记录数据的错误指示。 如此描述的基本上包括固体元件的电路提供了一种紧凑的,没有机械移动元件的弹性单元。

    Elevator system having a car position indicator which includes a matrix
    2.
    发明授权
    Elevator system having a car position indicator which includes a matrix 失效
    具有包括矩阵的轿厢位置指示器的电梯系统

    公开(公告)号:US3898611A

    公开(公告)日:1975-08-05

    申请号:US35842973

    申请日:1973-05-08

    Inventor: MANDEL ALAN F

    CPC classification number: B66B3/02

    Abstract: An elevator system for a building having a plurality of floors, an elevator car mounted for movement to serve the floors, and a car position indicator which indicates the position of the elevator car in the building. The car position indicator includes a matrix having a plurality of row and column conductors and associated row and column driver circuits, respectively, with an indicator for each floor served by the car, such as a lamp, connected between predetermined row and column conductors. A position signal responsive to the position of the elevator car in the building is used to selectively activate predetermined row and column drivers, with the energized indicator having a predetermined relationship to the position of the elevator car in the building.

    Abstract translation: 一种用于具有多个楼层的建筑物的电梯系统,安装用于运动以服务于楼层的电梯轿厢以及指示电梯轿厢在建筑物中的位置的轿厢位置指示器。 轿厢位置指示器包括具有多个行和列导体以及相关联的行和列驱动器电路的矩阵,其具有连接在预定行和列导体之间的由诸如灯之间的轿厢服务的每个楼层的指示器。 使用响应于建筑物中的电梯轿厢的位置的位置信号来选择性地激活预定的行和列驱动器,其中通电指示器与建筑物中的电梯轿厢的位置具有预定的关系。

    Elevator system having current limited and short circuit protected power supply for hall lamps
    3.
    发明授权
    Elevator system having current limited and short circuit protected power supply for hall lamps 失效
    电梯系统具有用于大厅灯的电流有限和短路保护电源

    公开(公告)号:US3875554A

    公开(公告)日:1975-04-01

    申请号:US35843073

    申请日:1973-05-08

    CPC classification number: B66B3/02

    Abstract: An elevator system for a building having a plurality of floors, an elevator car mounted to serve the floors, and hall lamps disposed at the floors served by the car, which lamps are selectively operated in response to predetermined actions of the elevator car. Driver circuits are disposed between the hall lamps and a power supply. The power supply is limited as to the current it will supply, with the maximum current being less than the normal current inrush to a hall lamp. A shorted hall lamp or associated driver circuit turns off the power supply until such time that the shorted load circuit is not selected for connection to the power supply.

    Abstract translation: 一种用于具有多个楼层的建筑物的电梯系统,安装成为楼层服务的电梯轿厢,以及设置在由轿厢服务的楼层的门厅灯,响应于电梯轿厢的预定动作选择性地操作这些灯。 驱动电路设置在霍尔灯和电源之间。 电源对于它将提供的电流是有限的,其最大电流小于正常电流浪涌到大厅灯。 短路的霍尔灯或相关的驱动器电路关闭电源,直到短路负载电路未被选择用于连接到电源。

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