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    • 2. 发明申请
    • TUNABLE MEMS CAPACITOR
    • 可控MEMS电容器
    • WO2008152559A2
    • 2008-12-18
    • PCT/IB2008/052253
    • 2008-06-09
    • NXP B.V.STEENEKEN, Peter, G.REIMANN, Klaus
    • STEENEKEN, Peter, G.REIMANN, Klaus
    • H03J5/24H01G5/16
    • H01G5/16H01G5/013H01G5/0136H01G7/06H01G2005/02H03J5/248
    • A MEMS tunable capacitor comprises first and second opposing capacitor electrodes (10,12), wherein the second capacitor electrode (12) is movable by a MEMS switch to vary the capacitor dielectric spacing, and thereby tune the capacitance. A tunable dielectric material (14) and a non- tunable dielectric material are in series between the first and second electrodes. The tunable dielectric material occupies a dimension gd of the electrode spacing, and the non-tunable dielectric material occupies a dimension g of the electrode spacing. A third electrode (20) faces the movable second electrode (12) for electrically controlling tunable dielectric material. A controller is adapted to vary the capacitor dielectric spacing for a first continuous range of adjustment of the capacitance of the MEMS capacitor, and to tune the dielectric material (14) for a second continuous range of adjustment of the capacitance of the MEMS capacitor, thereby to provide a continuous analogue range of adjustment including the first and second ranges. This arrangement provides independent control of the MEMS function and the dielectric tuning function, and enables a continuous adjustability.
    • MEMS可调谐电容器包括第一和第二相对电容器电极(10,12),其中第二电容器电极(12)可通过MEMS开关移动以改变电容器介电间距,从而调谐电容。 可调电介质材料(14)和非可调电介质材料串联在第一和第二电极之间。 可调电介质材料占电极间距的尺寸gd,不可调电介质材料占电极间距的尺寸g。 第三电极(20)面向可动第二电极(12),用于电控制可调电介质材料。 控制器适于改变用于MEMS电容器的电容的第一连续调节范围的电容器电介质间隔,并且调谐电介质材料(14)用于MEMS电容器的电容的第二连续调节范围,从而 以提供包括第一和第二范围的连续模拟调节范围。 这种布置提供了对MEMS功能和介质调谐功能的独立控制,并且实现了连续可调性。
    • 5. 发明申请
    • PIEZOELECTRIC BIMORPH SWITCH
    • 压电二极管开关
    • WO2009153757A1
    • 2009-12-23
    • PCT/IB2009/052617
    • 2009-06-18
    • NXP B.V.WUNNICKE, OlafREIMANN, Klaus
    • WUNNICKE, OlafREIMANN, Klaus
    • H01H57/00H01L41/09
    • H01H57/00H01L41/094
    • The present invention relates to a piezoelectric bimorph switch, specifically a cantilever (single clamped beam) switch, which can be actively opened and closed. Piezoelectric bimorph switch are known from the prior art. Such a switch may be regarded as an actuator. Actuators are regarded as a subdivision of transducers. They are devices, which transform an input signal (mainly an electrical signal) into motion. Electrical motors, pneumatic actuators, hydraulic pistons, relays, comb drive, piezoelectric actuators, thermal bimorphs, Digital Micromirror Devices and electroactive polymers are some examples of such actuators. The switch of the invention comprises piezoelectric stack layers (121, 122), which form a symmetrical stack, wherein an electric field is always applied in the same direction as the poling direction of the piezoelectric layers.
    • 本发明涉及一种压电双压电晶体开关,特别涉及一种可以被主动地打开和关闭的悬臂(单夹紧梁)开关。 压电双压电晶体开关是从现有技术中已知的。 这样的开关可以被认为是致动器。 致动器被视为传感器的细分。 它们是将输入信号(主要是电信号)变换为运动的装置。 电动机,气动执行器,液压活塞,继电器,梳齿驱动器,压电致动器,热双压电晶片,数字微镜器件和电活性聚合物是这种致动器的一些例子。 本发明的开关包括形成对称叠层的压电堆叠层(121,122),其中总是沿与压电层的极化方向相同的方向施加电场。
    • 8. 发明申请
    • SYSTEM FOR CHARGE RECYCLING
    • 充电回收系统
    • WO2010010505A1
    • 2010-01-28
    • PCT/IB2009/053137
    • 2009-07-20
    • NXP B.V.REIMANN, KlausSTEENEKEN, Peter, GerardKLEE, Mareike
    • REIMANN, KlausSTEENEKEN, Peter, GerardKLEE, Mareike
    • H02M3/18H02M3/07
    • H02M3/07H02M3/18
    • The present application relates to a system for charge recycling. The present application relates also to a method for charge recycling and a handheld device, in particular, a multi-media handheld device. The system comprises at least one power supply device. The system comprises a first capacitive element and at least a second capacitive element. The first capacitive element and the second capacitive element are chargeable by the power supply device. The first capacitive element and the second capacitive element are connectable to the power supply device. At least one of the first capacitive element and the second capacitive element is formed as an actuation capacitive element. The system comprises at least a first switching element configured to connect the first capacitive element and the second capacitive element with each other such that at least one part of the charge on the actuation capacitive element is recyclable.
    • 本申请涉及一种充电回收系统。 本申请还涉及一种用于电荷回收的方法和手持设备,特别是多媒体手持设备。 该系统包括至少一个电源装置。 该系统包括第一电容性元件和至少第二电容元件。 第一电容元件和第二电容元件可由电源装置充电。 第一电容元件和第二电容元件可连接到电源装置。 第一电容元件和第二电容元件中的至少一个形成为致动电容元件。 该系统包括至少第一开关元件,其被配置为将第一电容元件和第二电容元件彼此连接,使得致动电容元件上的电荷的至少一部分可再循环。