Variable micro-capacitor with a high ratio and a low operating voltage
    11.
    发明授权
    Variable micro-capacitor with a high ratio and a low operating voltage 有权
    具有高比率和低工作电压的可变微电容器

    公开(公告)号:US07031137B2

    公开(公告)日:2006-04-18

    申请号:US10493295

    申请日:2002-10-23

    申请人: Philippe Robert

    发明人: Philippe Robert

    IPC分类号: H01G7/00 H01G7/04

    CPC分类号: H01G5/04 H01G5/18

    摘要: A MEMS micro-capacitor having a variable capacity is disclosed. The MEMS micro-capacitor has at least one fixed electrode (3) positioned on one surface of a substrate (1); bending means with respect to the surface of the substrate including at least one moveable electrode (5) located opposite the fixed electrode (3); a layer of solid dielectric material interposed between the fixed electrode and the moveable electrode; and means (5, 6 and 7) for applying a bending force to the bending means. The bending force is intended to move the moveable electrode (5) with respect to the fixed electrode (3) in order to obtain, between these electrodes, a capacity that varies according to the applied bending force. The bending means are designed to clamp the layer of dielectric material between the moveable electrode and the fixed electrode so as to obtain a variable surface of the clamped layer of dielectric material.

    摘要翻译: 公开了具有可变容量的MEMS微型电容器。 MEMS微电容器具有位于基板(1)的一个表面上的至少一个固定电极(3); 相对于包括位于与固定电极(3)相对的至少一个可移动电极(5)的衬底的表面的弯曲装置; 介于固定电极和可动电极之间的固体电介质材料层; 以及用于向弯曲装置施加弯曲力的装置(5,6和7)。 弯曲力旨在​​相对于固定电极(3)移动可移动电极(5),以便在这些电极之间获得根据施加的弯曲力而变化的容量。 弯曲装置被设计成将电介质材料层夹在可动电极和固定电极之间,以便获得夹持的介电材料层的可变表面。

    Micro-electro-mechanical system (MEMS) variable capacitor apparatuses, systems and related methods
    12.
    发明申请
    Micro-electro-mechanical system (MEMS) variable capacitor apparatuses, systems and related methods 有权
    微机电系统(MEMS)可变电容器装置,系统及相关方法

    公开(公告)号:US20050224916A1

    公开(公告)日:2005-10-13

    申请号:US11122379

    申请日:2005-05-05

    摘要: Micro-electro-mechanical system (MEMS) variable capacitor apparatuses, system and related methods are provided. According to one embodiment, a method for varying the capacitance of two conductive plates is provided. The method can include providing a micro-electro-mechanical system (MEMS) variable capacitor. The variable capacitor can include first and second actuation electrodes wherein one of the actuation electrodes is movable with respect to the other actuation electrode when a voltage is applied across the first and second actuation electrodes. Further, the variable capacitor can include first and second capacitive electrodes. The method can include applying a voltage to the first and second actuation electrodes for movement of at least one of the capacitive electrodes in a substantially straight direction with respect to the other capacitive electrode upon application of voltage across the first and second actuation electrodes to change the capacitance between the first and second capacitive electrodes.

    摘要翻译: 提供微机电系统(MEMS)可变电容器装置,系统及相关方法。 根据一个实施例,提供了一种用于改变两个导电板的电容的方法。 该方法可以包括提供微机电系统(MEMS)可变电容器。 可变电容器可以包括第一和第二致动电极,其中当跨越第一和第二致动电极施加电压时,其中一个致动电极可相对于另一个致动电极移动。 此外,可变电容器可以包括第一和第二电容电极。 该方法可以包括将电压施加到第一和第二致动电极,用于在施加电压跨越第一和第二致动电极时使电容电极中的至少一个在相对于另一个电容电极的基本上直的方向上移动,以改变 第一和第二电容电极之间的电容。

    Electromagnetic-wave modulating, movable electrode, capacitor elements
    13.
    发明授权
    Electromagnetic-wave modulating, movable electrode, capacitor elements 失效
    电磁波调制,可动电极,电容元件

    公开(公告)号:US5519565A

    公开(公告)日:1996-05-21

    申请号:US66949

    申请日:1993-05-24

    摘要: Inventive electromagnetic-wave-modulating capacitors with movable electrodes are low-cost, low-energy, reliable and fast-acting elements for employment in highly transparent, conductive fixed electrodes and are incorporated, among others, in reflective display pixels for large and small-scale video displays, including full-color displays where multiple such capacitors are aligned in a single pixel. Further embodiments, not necessarily with a transparent electrode, are assemblable into array antennas deployable in outer space; provide digitally controllable or responsive such variable capacitors; and in mechanically active applications can be constituted as accelerometers, or in microrobotics. Constructions with ultra-thin electrodes have special advantages.

    摘要翻译: 具有可移动电极的本发明的电磁波调制电容器是用于高透明导电固定电极的低成本,低能量,可靠和快速作用的元件,并且包括用于大型和小型的反射显示像素, 包括全彩色显示器,其中多个这样的电容器在单个像素中对齐。 不一定具有透明电极的其它实施例可组装成可布置在外部空间中的阵列天线; 提供数字可控或响应这样的可变电容器; 并且在机械活动的应用中可以构成加速度计或微型机器人。 超薄电极结构具有特殊的优点。

    Electronic timepiece
    14.
    发明授权
    Electronic timepiece 失效
    电子钟表

    公开(公告)号:US4275462A

    公开(公告)日:1981-06-23

    申请号:US129406

    申请日:1980-03-11

    申请人: Jean Schaad

    发明人: Jean Schaad

    摘要: An electronic timepiece has a variable capacitor for adjustment of the rate of the timepiece by varying the oscillation frequency of an oscillator of the timepiece. One of the electrodes of the variable capacitor is constituted by an area of one of the conductive tracks of a printed circuit of the timepiece. The other electrode of this capacitor is constituted by a layer of a conductive material carried by an insulating pellet secured to the end of a metal arm pivotally mounted on the printed circuit substrate and which is electrically connected to the earth or "ground" of the timepiece circuit. The capacitance of the capacitor formed in this manner varies with the position of the pellet with respect to said area providing said one electrode.

    摘要翻译: 电子钟表具有可变电容器,用于通过改变钟表的振荡器的振荡频率来调节钟表的速率。 可变电容器的电极之一由钟表的印刷电路的导电轨道之一的区域构成。 该电容器的另一个电极由导电材料层构成,导电材料由固定在金属臂的端部上的绝缘芯片承载,该金属臂可旋转地安装在印刷电路基板上,并且电连接到钟表的地面或“地面” 电路。 以这种方式形成的电容器的电容随着颗粒相对于提供所述一个电极的所述区域的位置而变化。

    Trimmer capacitor
    15.
    发明授权
    Trimmer capacitor 失效
    微调电容

    公开(公告)号:US4251849A

    公开(公告)日:1981-02-17

    申请号:US946101

    申请日:1978-09-27

    申请人: Takashi Kawai

    发明人: Takashi Kawai

    摘要: A trimmer capacitor comprises a metallic plate member which is generally U-shaped, and an elongate conductor member which is to be located inside the metallic plate. Both the metallic plate member and the conductor member can be fixed to a printed circuit board. By bending the conductor member to displace it inside the metallic plate member, the electrostatic capacitance formed between the metallic plate member and the conductor member can be varied.

    摘要翻译: 微调电容器包括通常为U形的金属板构件和位于金属板内部的细长导体构件。 金属板构件和导体构件都可以固定在印刷电路板上。 通过弯曲导体构件使其在金属板构件内部移动,可以改变在金属板构件和导体构件之间形成的静电电容。

    Tamper detection device, system, and method

    公开(公告)号:US11768971B2

    公开(公告)日:2023-09-26

    申请号:US17022299

    申请日:2020-09-16

    申请人: NXP B.V.

    摘要: It is described a tamper detection device for detecting tampering with respect to a packaging, the device comprising: i) a first electrode comprising a first patterned structure, and ii) a second electrode comprising a second patterned structure. The first electrode and the second electrode are arranged so that the first patterned structure and the second patterned structure are at least partially opposite to each other. In a first arrangement state of the first patterned structure and the second patterned structure with respect to each other, a first capacitance is measurable, in a second arrangement state of the first patterned structure and the second patterned structure with respect to each other, a second capacitance is measurable, wherein the first capacitance is different from the second capacitance, and wherein the first arrangement state is different from the second arrangement state. The device further comprising: iii) a detection unit, wherein the detection unit is configured to: a) measure the capacitance between the first electrode and the second electrode, b) obtain, based on the measured capacitance, an information indicative of the arrangement state, and c) evaluate, based on the information indicative of the arrangement state, if a tampering with respect to the packaging is detected.

    Variable capacitor and method for manufacturing the same

    公开(公告)号:US09984830B2

    公开(公告)日:2018-05-29

    申请号:US15369917

    申请日:2016-12-06

    申请人: Mingmei Liu

    发明人: Mingmei Liu

    IPC分类号: H01G5/16 H01G5/011

    摘要: A variable capacitor, including: two movable plates, two poles, and one rotary shaft. The two movable plates are conductor belts, and the conductor belts are sheathed in insulators. The two poles are conductors, and each is capable of rotating around an axis thereof. First ends of the two movable plates are connected via the insulators and fixed on the rotary shaft, and second ends of the two movable plates are connected to the two poles, respectively. A conductor member of the two movable plates directly contacts the two poles. The lengths of the two movable plates are identical, and are greater than the distance from one pole to the rotary shaft.

    STRAIN CAPACITOR ENERGY STORAGE DEVICES AND ASSEMBLIES

    公开(公告)号:US20170330697A1

    公开(公告)日:2017-11-16

    申请号:US14885193

    申请日:2015-10-16

    IPC分类号: H01G11/28 H01G11/52

    摘要: Energy storage devices are disclosed that store both electrical and mechanical energies, making the total energy stored larger than either an electrical or mechanical means alone. The energy storage device is charged by the application of a voltage, which charges a capacitor to store electrical energy while simultaneously exerting a force on the mechanical system that deforms the mechanical system, resulting in mechanical energy storage. When the charged device is discharged, both the electrical and mechanical energy are extracted in electrical form. Its unique features include, but are not limited to, the potential for long lifetime, improved safety, better portability, a wide operating temperature range, and environment friendliness. Arrays of energy storage devices can be assembled in various configurations to build high capacity energy storage units.

    PEN-SHAPED POSITION INDICATOR
    20.
    发明申请
    PEN-SHAPED POSITION INDICATOR 审中-公开
    笔形位置指示器

    公开(公告)号:US20160188019A1

    公开(公告)日:2016-06-30

    申请号:US15013853

    申请日:2016-02-02

    申请人: Wacom Co., Ltd.

    发明人: Masayuki Obata

    摘要: A pen-shaped position indicator includes: i) a cylindrical housing; ii) a core received in the cylindrical housing and having a pointer tip extend from a distal end of the cylindrical housing; iii) a resonant circuit comprised of an inductive element and a capacitor and received in the cylindrical housing, wherein an inductance of the inductive element changes in response to a pressure applied to the pointer tip of the core; iv) a connection member received in the cylindrical housing between the inductive element and the capacitor, wherein the connection member includes a distal surface facing the inductive element and a proximal surface facing the capacitor, and the connection member includes a terminal member having a distal end and a proximal end; and v) a first conductor disposed on a distal surface of the capacitor facing the proximal surface of the connection member, wherein the first conductor electrically connects the capacitor, via the at least one terminal of the connection member, to the inductive element.

    摘要翻译: 笔形位置指示器包括:i)圆柱形壳体; ii)容纳在圆柱形壳体中并且具有从圆柱形壳体的远端延伸的指针尖端的芯部; iii)由电感元件和电容器组成并被接收在所述圆柱形壳体中的谐振电路,其中所述感应元件的电感响应于施加到所述芯的指针尖端的压力而改变; iv)连接构件,容纳在电感元件和电容器之间的圆柱形壳体中,其中连接构件包括面向电感元件的远端表面和面向电容器的近侧表面,并且连接构件包括具有远端 和近端; 以及v)布置在所述电容器的远端表面上的第一导体,其面向所述连接构件的近侧表面,其中所述第一导体经由所述连接构件的所述至少一个端子将所述电容器电连接到所述电感元件。