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    • 7. 发明申请
    • REMOTELY CONFIGURABLE ANALOG/DIGITAL INPUT CIRCUIT AND RELATED APPARATUS AND METHOD
    • 可远程配置的模拟/数字输入电路及相关装置和方法
    • WO2010036628A2
    • 2010-04-01
    • PCT/US2009/057767
    • 2009-09-22
    • HONEYWELL INTERNATIONAL INC.ELIAS, JackPUNIS, Giancarlo
    • ELIAS, JackPUNIS, Giancarlo
    • G08C17/02H04W84/18
    • G01D21/00G05B19/0423G05B19/054G05B2219/1157Y10T307/76Y10T307/944
    • An apparatus (200, 600, 900) includes first and second input terminals (208a-208b, 610a-610b, 624a-624b) configured to be coupled to one of multiple types of input sources (210-214). The apparatus also includes a diode (216, 612, 626) and a resistor (218, 614, 628) coupled in series between the first and second input terminals. The apparatus further includes a plurality of switches (220-224, 618-622, 630-634) each coupled to at least one of the diode and the resistor. The switches are configured to be opened and closed to reconfigure the apparatus depending on the type of input source. The switches could include a first switch (220, 618, 630) coupled to the first input terminal, a current source (226, 648), and a first side of the diode. The switches could also include a second switch (222, 620, 632) coupled to the current source, a second side of the diode, and a first side of the resistor. In addition, the switches could include a third switch (224, 622, 634) coupled to the second input terminal and a second side of the resistor.
    • 一种装置(200,600,900)包括被配置为耦合到多种类型的输入源(210)中的一个的第一和第二输入端子(208a-208b,610a-610b,624a-624b) -214)。 该装置还包括串联耦合在第一和第二输入端子之间的二极管(216,612,626)和电阻器(218,614,628)。 该装置还包括多个开关(220-224,618-622,630-634),每个开关耦合到二极管和电阻器中的至少一个。 开关配置为打开和关闭,以根据输入源的类型重新配置设备。 开关可以包括耦合到第一输入端子的第一开关(220,618,630),电流源(226,648)以及二极管的第一侧。 开关还可以包括耦合到电流源,二极管的第二侧和电阻器的第一侧的第二开关(222,620,632)。 另外,开关可以包括耦合到第二输入端子和电阻器的第二侧的第三开关(224,622,634)。