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    • 1. 发明申请
    • BOOTSTRAPPED CHARGER
    • 自动充电器
    • WO2011056902A1
    • 2011-05-12
    • PCT/US2010/055338
    • 2010-11-03
    • TRIUNE IP LLCTEGGATZ, RossSMITH, BrettATRASH, AmerCHEN, Wayne
    • TEGGATZ, RossSMITH, BrettATRASH, AmerCHEN, Wayne
    • H02J7/00
    • H02J7/35H02J2007/0095
    • The invention provides methods and systems (100, 200, 300, 400) for energy harvesting in which an energy storage device (12, 28, 39) is connected to a charger (14, 24, 30, 48) having a charge controller (17, 22, 46). In turn, a bootstrap circuit (11, 21, 33, 41) connected to the charge controller (17, 22, 46) provides power sufficient to cause the charge controller (17, 22, 46) to supply current to the energy storage device (12, 28, 39). Subsequently, the charger (14, 24, 30, 48) is used to regulate the output of a plurality of energy harvesting devices (10, 29, 33, 34, 44) operably coupled to the charger (14, 24, 30, 48) and to the energy storage device (12, 28, 39).
    • 本发明提供了用于能量收集的方法和系统(100,200,300,400),其中能量存储装置(12,28,39)连接到具有充电控制器的充电器(14,24,30,48) 17,22,46)。 依次连接到充电控制器(17,22,46)的自举电路(11,21,33,41)提供足以使充电控制器(17,22,46)向能量存储装置提供电流的电力 (12,28,39)。 随后,充电器(14,24,30,48)用于调节可操作地耦合到充电器(14,24,30,48)的多个能量收集装置(10,29,33,34,44)的输出 )和能量存储装置(12,28,39)。
    • 2. 发明申请
    • TEMPERATURE-INDEPENDENT AMPLIFIER OFFSET TRIM CIRCUIT
    • 温度独立放大器偏移电路
    • WO2007002944A2
    • 2007-01-04
    • PCT/US2006/025970
    • 2006-06-29
    • TEXAS INSTRUMENTS INCORPORATEDATRASH, Amer, HaniCHELLAMUTHU, Shanmuganand
    • ATRASH, Amer, HaniCHELLAMUTHU, Shanmuganand
    • G05F3/16
    • H03F3/45183H03F3/45744H03F3/45766H03F3/45771H03F2200/447H03F2200/453H03F2200/456H03F2203/45048H03F2203/45244H03F2203/45291H03F2203/45322H03F2203/45354H03F2203/45374H03F2203/45396H03F2203/45398Y10S323/907
    • An operational amplifier having temperature-compensated offset correction. The amplifier includes an operational amplifier circuit, that has a first input field effect transistor (FET) having a gate connected to receive a first input signal, and a second input FET having a gate connected to receive a second input signal, the first and the second input FETs being connected together to receive a first bias current, and also being connected to respective sides of a first current mirror. A correction amplifier circuit is also provided, that has a first correction FET (MPl) having a gate, and a second correction FET (MP2) having a gate, the first and the second correction FETs being connected together to receive a second bias current, and also being connected to respective sides of a second current mirror (MNl, MN2). A resistor (R2) is arranged to have a fixed voltage provided across it, one terminal of the resistor being connected to the gate of the first correction FET and the other terminal of the resistor being connected to the gate of the second correction FET. A first bias FET (MN3) is connected to conduct an "extra" current from the second correction FET that is blocked by the current mirror action from flowing through the second current mirror. A second bias FET is connected in current mirror configuration with the first bias FET to form a third current mirror, and is configured to mirror and scale the current through the first bias FET to a selected one of the first input FET and the second input FET.
    • 具有温度补偿偏移校正的运算放大器。 该放大器包括运算放大器电路,其具有连接以接收第一输入信号的栅极的第一输入场效应晶体管(FET)和具有连接以接收第二输入信号的栅极的第二输入FET,第一和第 第二输入FET连接在一起以接收第一偏置电流,并且还连接到第一电流镜的相应侧。 还提供一种校正放大器电路,其具有具有栅极的第一校正FET(MP1)和具有栅极的第二校正FET(MP2),第一和第二校正FET连接在一起以接收第二偏置电流, 并且还连接到第二电流镜(MN1,MN2)的相应侧。 电阻器(R2)被布置为具有跨过其提供的固定电压,电阻器的一个端子连接到第一校正FET的栅极,并且电阻器的另一端子连接到第二校正FET的栅极。 第一偏置FET(MN3)被连接以从被第二校正FET导通的“额外”电流被被电流反射镜作用阻挡而流过第二电流镜。 第二偏置FET以电流镜配置与第一偏置FET连接以形成第三电流镜,并且被配置为将通过第一偏置FET的电流镜像并缩放到第一输入FET和第二输入FET中选定的一个 。