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    • 8. 发明授权
    • Method for increasing the resolution of analog to digital conversion
    • 提高模数转换分辨率的方法
    • US07504972B2
    • 2009-03-17
    • US11755701
    • 2007-05-30
    • Jorge Deligiannis
    • Jorge Deligiannis
    • H03M1/20
    • H03M1/20
    • A method for increasing the resolution of analog to digital conversion made by a microcontroller. A resistive-capacitive network is connected between an input/output port of the microcontroller and a sense voltage to be converted. The sense voltage is measured (i.e. converted) using the port in input mode to obtain a nominal voltage. The port is then switched to output mode and driven high (or alternatively low) for a period of time to modify the sense voltage by an amount equal to a desired fractional resolution step size. The port is switched back to input mode and the modified voltage is measured. The steps of driving the port in output mode and measuring the modified voltage can be repeated with the modification to the sense voltage increasing in successively larger multiples of the desired fractional resolution step size. In one embodiment of the method, the successive measurements can be summed to give the converted original sense voltage expressed in fractional resolution step size.
    • 一种提高微控制器模数转换分辨率的方法。 电阻电容网络连接在微控制器的输入/输出端口和待转换的感测电压之间。 在输入模式下使用端口测量(即转换)感测电压以获得额定电压。 然后将端口切换到输出模式并且被驱动为高(或可选地为低)一段时间,以将感测电压修改等于期望的分数分辨率步长的量。 端口切换回输入模式,并测量修改的电压。 可以重复以输出模式驱动端口并测量修改的电压的步骤,其中感测电压的修改以期望的分数分辨率步长的连续更大的倍数增加。 在该方法的一个实施例中,连续测量可以相加以给出以分数分辨率步长表示的经转换的原始感测电压。
    • 10. 发明授权
    • Ground wire adaptor
    • 接地线适配器
    • US07922100B2
    • 2011-04-12
    • US12047316
    • 2008-03-12
    • Jorge Deligiannis
    • Jorge Deligiannis
    • G05D23/00
    • F24D19/1009
    • A ground wire adaptor for operatively connecting a low-voltage control unit (e.g. a thermostat) requiring a three-wire connection to a three-wire system-under-control (e.g. a HVAC system) using a two-wire conductor. A ground terminal and an output control signal of the control unit are interconnected such that the output control signal, in the form of a half-wave rectified signal, is superimposed on the ground. The ground wire adaptor detects the half-wave rectified signal superimposed on the ground connection and generates a control output signal to be provided to the system-under-control responsive to the presence of the half-wave rectified signal (i.e. the control signal from the control unit). In another aspect of the invention the ground wire adaptor can be used to connect an ‘N’ function control unit to an ‘N’ function system-under-control using a two-wire conductor.
    • 一种接地线适配器,用于使用双线导体将要求三线连接的低压控制单元(例如恒温器)可操作地连接到三线系统控制下(例如HVAC系统)。 控制单元的接地端子和输出控制信号互连,使得以半波整流信号的形式的输出控制信号叠加在地面上。 接地线适配器检测叠加在接地连接上的半波整流信号,并产生一个控制输出信号,以响应于半波整流信号的存在(即来自 控制单元)。 在本发明的另一方面,接地线适配器可用于使用双线导体将“N”功能控制单元连接到“N”功能系统 - 不受控制。