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    • 2. 发明申请
    • Mems based battery monitoring technical field
    • 基于Mems的电池监控技术领域
    • US20090039832A1
    • 2009-02-12
    • US11890570
    • 2007-08-07
    • Cornel P. CobianuViorel-Georgel DumitruIon GeorgescuMihai GologanuStefan D. Costea
    • Cornel P. CobianuViorel-Georgel DumitruIon GeorgescuMihai GologanuStefan D. Costea
    • H02J7/00G01R31/36H02H3/20H02H3/24
    • H02J7/0031H02J2007/0037
    • A battery protection and monitoring system includes a plurality of MAFET (Mechanically Actuated Field Effect Transistor) switches, wherein each MAFET switch among the MAFET switches is capable of switching from an open switch condition to a closed switch condition or vice versa, such that the plurality of MAFET switches are connectable to a battery. Such a system further includes one or more transistors associated with and which communicate electrically with at least one MAFET switch among the MAFET switches. A PPTC (Polymeric Positive Temperature Coefficient) device is also associated with the transistors and the MAFET switches, such that the PPTC device, the MAFET switches and the transistors operate in association with one another and the open switch condition or the closed switch condition of the plurality of MAFET switches to identify, monitor and thus prevent at least one dangerous condition associated with the battery.
    • 电池保护和监测系统包括多个MAFET(机械致动场效应晶体管)开关,其中MAFET开关中的每个MAFET开关能够从开路开关状态切换到闭合开关状态,反之亦然,使得多个 的MAFET开关可连接到电池。 这样的系统还包括与MAFET开关中的至少一个MAFET开关相关联并与其通信的一个或多个晶体管。 PPTC(聚合正温度系数)器件还与晶体管和MAFET开关相关联,使得PPTC器件,MAFET开关和晶体管彼此相关联地操作,并且开路开关条件或闭合开关条件 多个MAFET开关来识别,监控并因此防止与电池相关联的至少一个危险状况。
    • 3. 发明授权
    • Micro-machined pressure sensor with polymer diaphragm
    • 具有聚合物隔膜的微加工压力传感器
    • US07401525B2
    • 2008-07-22
    • US10907176
    • 2005-03-23
    • Cornel P. CobianuMihai GologanuIoan PavelescuBogdan Catalin Serban
    • Cornel P. CobianuMihai GologanuIoan PavelescuBogdan Catalin Serban
    • G01L9/00H01L51/40
    • G01L1/18G01L1/2287G01L9/0052
    • A piezoresistive pressure and/or strain sensor micro-machined primarily from plastic and/or glass. In one illustrative embodiment, the piezoresistive pressure sensor is formed on a polymer substrate. A first selectively implanted region is provided in the polymer substrate to create a piezoresistive region in the polymer substrate. A second selectively implanted region is then provided in at least part of the first selectively implanted region to modulate the electrical conductivity of the first selectively implanted region. The illustrative sensor may be selectively implanted with, for example, nitrogen to create the piezoresistive region, and boron to modulate the electrical conductivity of the piezoresistive region. Phosphorus or any other suitable material may also be used to modulate the electrical conductivity of the piezoresistive region, as desired. The piezoresistive pressure/strain sensor may be formed from a single substrate, or two or more substrates, and the resulting pressure/strain sensor may be mounted in a plastic package, if desired.
    • 主要由塑料和/或玻璃微加工的压阻压力和/或应变传感器。 在一个说明性实施例中,压阻式压力传感器形成在聚合物基板上。 在聚合物衬底中提供第一选择性注入区域,以在聚合物衬底中产生压阻区域。 然后在第一选择性注入区域的至少一部分中提供第二选择注入区域,以调制第一选择性注入区域的电导率。 说明性传感器可以选择性地植入例如氮气以产生压阻区域和硼以调节压阻区域的导电性。 根据需要,磷或任何其它合适的材料也可用于调节压阻区域的导电性。 压阻压力/应变传感器可以由单个基板或两个或更多个基板形成,并且如果需要,所得到的压力/应变传感器可以安装在塑料封装中。
    • 4. 发明授权
    • Methods of operation of electrochemical gas sensors
    • 电化学气体传感器的操作方法
    • US08317998B2
    • 2012-11-27
    • US12754023
    • 2010-04-05
    • Keith Francis Edwin PrattJohn ChapplesMartin JonesStefan Dan CosteaMihai Gologanu
    • Keith Francis Edwin PrattJohn ChapplesMartin JonesStefan Dan CosteaMihai Gologanu
    • G01F1/64G01N17/00G01N27/26
    • G01N27/404G01N33/007
    • A method of operating an electrochemical gas sensor includes: a) exposing, for a first predetermined duration, the electrochemical gas sensor to an atmosphere containing a target gas while the gas reaction capability of the electrode assembly is substantially reduced from a working level, such that target gas is collected within the housing; b) increasing the gas reaction capability of the electrode assembly to a level at which it consumes collected target gas and thereby outputs a signal to the sensing circuit, including an initial transient decay signal; c) monitoring the transient decay signal; and d) analysing the rate of decay of the transient decay signal to determine whether the performance of at least one component of the electrochemical gas sensor is within acceptable limits. An apparatus for operating an electrochemical gas sensor, adapted for connection to an electrochemical gas sensor via a sensing circuit for control thereof, can carry out the disclosed method(s).
    • 操作电化学气体传感器的方法包括:a)将电化学气体传感器第一预定持续时间暴露于含有目标气体的气氛,同时电极组件的气体反应能力从工作水平显着降低,使得 目标气体收集在壳体内; b)将电极组件的气体反应能力提高到消耗收集的目标气体的水平,从而将信号输出到感测电路,包括初始瞬态衰减信号; c)监测瞬态衰减信号; 以及d)分析瞬态衰减信号的衰减速率,以确定电化学气体传感器的至少一个部件的性能是否在可接受的极限内。 一种用于操作电化学气体传感器的装置,其可用于经由用于控制的感测电路连接到电化学气体传感器,可以执行所公开的方法。
    • 6. 发明申请
    • METHODS OF OPERATION OF ELECTROCHEMICAL GAS SENSORS
    • 电化学气体传感器的操作方法
    • US20100252455A1
    • 2010-10-07
    • US12754023
    • 2010-04-05
    • Keith Francis Edwin PrattJohn ChapplesMartin JonesStefan Dan CosteaMihai Gologanu
    • Keith Francis Edwin PrattJohn ChapplesMartin JonesStefan Dan CosteaMihai Gologanu
    • G01N27/26
    • G01N27/404G01N33/007
    • A method of operating an electrochemical gas sensor includes: a) exposing, for a first predetermined duration, the electrochemical gas sensor to an atmosphere containing a target gas whilst the gas reaction capability of the electrode assembly is substantially reduced from a working level, such that target gas is collected within the housing; b) increasing the gas reaction capability of the electrode assembly to a level at which it consumes collected target gas and thereby outputs a signal to the sensing circuit, including an initial transient decay signal; c) monitoring the transient decay signal; and d) analysing the rate of decay of the transient decay signal to determine whether the performance of at least one component of the electrochemical gas sensor is within acceptable limits. An apparatus for operating an electrochemical gas sensor, adapted for connection to an electrochemical gas sensor via a sensing circuit for control thereof, can carry out the disclosed method(s).
    • 操作电化学气体传感器的方法包括:a)将电化学气体传感器第一预定持续时间暴露于含有目标气体的气氛,同时电极组件的气体反应能力从工作水平显着降低,使得 目标气体收集在壳体内; b)将电极组件的气体反应能力提高到消耗收集的目标气体的水平,从而将信号输出到感测电路,包括初始瞬态衰减信号; c)监测瞬态衰减信号; 以及d)分析瞬态衰减信号的衰减速率,以确定电化学气体传感器的至少一个部件的性能是否在可接受的极限内。 一种用于操作电化学气体传感器的装置,其可用于经由用于控制的感测电路连接到电化学气体传感器,可以执行所公开的方法。
    • 8. 发明授权
    • Patterned dielectric elastomer actuator and method of fabricating the same
    • 图案介质弹性体致动器及其制造方法
    • US07719164B2
    • 2010-05-18
    • US12187124
    • 2008-08-06
    • Mihai GologanuViorel AvramescuStefan Dan CosteaLi Wang
    • Mihai GologanuViorel AvramescuStefan Dan CosteaLi Wang
    • H02N1/00
    • H01L41/082H01L41/45Y10T29/49002Y10T29/49226
    • A patterned dielectric elastomer actuator is disclosed which includes a series of thin parallel elastomer filaments, separated by certain distances sandwiched between a pair of rigid electrodes. The elastomer filaments and air acts as a patterned dielectric layer. The elastomer filaments can compress laterally from a circular cross-section to an elliptical shape when a voltage is applied between the rigid electrodes. The elastomer filaments can touch laterally, which implies no further squeezing in order to provide a minimal secure distance between the rigid electrodes. The dielectric elastomer actuator can be fabricated utilizing a reel-to-reel fabrication process with the thin elastomer filaments fabricated ahead of time, by extrusion techniques and cured completely before storing on reels.
    • 公开了一种图案化的介电弹性体致动器,其包括一系列薄的平行的弹性体细丝,其被夹在一对刚性电极之间的特定距离分开。 弹性体丝和空气用作图案化的介电层。 当在刚性电极之间施加电压时,弹性体长丝可以从圆形横截面横向压缩成椭圆形。 弹性体长丝可以横向接触,这意味着不再进一步挤压,以便在刚性电极之间提供最小的可靠距离。 电介质弹性体致动器可以利用卷对卷制造工艺制造,其中薄的弹性体细丝提前制造,通过挤出技术,并且在存储在卷轴之前完全固化。