MEMS MICROPHONE
    31.
    发明申请
    MEMS MICROPHONE 审中-公开
    MEMS麦克风

    公开(公告)号:US20120139066A1

    公开(公告)日:2012-06-07

    申请号:US13252733

    申请日:2011-10-04

    IPC分类号: H01L29/84

    摘要: Disclosed is a micro electro mechanical system (MEMS) microphone including: a substrate; an acoustic chamber formed by processing the substrate; a lower electrode formed on the acoustic chamber and fixed to the substrate; a diaphragm formed over the lower electrode so as to be spaced apart from the lower electrode by a predetermined interval; and a diaphragm discharge hole formed at a central portion of the diaphragm. According to an exemplary embodiment of the present disclosure, attenuation generated by an air layer between the diaphragm and the lower electrode in a MEMS microphone may be effectively reduced, thereby making it possible to obtain high sensitivity characteristics and reduce a time and a cost required for removing a sacrificial layer between the diaphragm and the lower electrode.

    摘要翻译: 公开了一种微机电系统(MEMS)麦克风,包括:基板; 通过处理衬底形成的声学室; 形成在所述声室上并固定到所述基板的下电极; 隔膜,形成在所述下电极上,以与所述下电极隔开预定间隔; 以及形成在隔膜的中心部分处的隔膜排出孔。 根据本公开的示例性实施例,可以有效地减少由MEMS麦克风中的隔膜和下电极之间的空气层产生的衰减,从而使得可以获得高灵敏度特性并减少所需的时间和成本 去除隔膜和下电极之间的牺牲层。

    Vibration motor having brushes with different osculatory tracks
    32.
    发明授权
    Vibration motor having brushes with different osculatory tracks 有权
    振动电机具有不同电磁轨迹的电刷

    公开(公告)号:US07327058B2

    公开(公告)日:2008-02-05

    申请号:US11671857

    申请日:2007-02-06

    申请人: Woo Seok Yang

    发明人: Woo Seok Yang

    IPC分类号: H02K7/06

    摘要: A vibration motor includes a stator assembly, a rotor assembly, a shaft and a pair of brushes having different osculatory tracks. The stator assembly includes a magnet and a lower substrate. The rotor assembly has an eccentric weight, and includes a commutator positioned on the lower surface thereof and a coil. The shaft is inserted into a rotary center of the rotor assembly for forming a rotary shaft of the rotor assembly.

    摘要翻译: 振动电动机包括定子组件,转子组件,轴和具有不同轨道的一对电刷。 定子组件包括磁体和下基板。 转子组件具有偏心重量,并且包括位于其下表面上的换向器和线圈。 轴被插入转子组件的旋转中心,用于形成转子组件的旋转轴。

    Symmetric optical modulator with low driving voltage
    33.
    发明申请
    Symmetric optical modulator with low driving voltage 有权
    具有低驱动电压的对称光调制器

    公开(公告)号:US20060140530A1

    公开(公告)日:2006-06-29

    申请号:US11183636

    申请日:2005-07-18

    CPC分类号: G02F1/0356 G02F1/2255

    摘要: A symmetric optical modulator with low driving voltage, wherein polarization of any one of branched waveguides formed on a substrate is inverted, and the two branched waveguides are simultaneously controlled by a center electrode formed on a top portion thereof, thereby ensuring a low voltage driving and embodying a characteristic of there being no signal distortion due to chirp.

    摘要翻译: 具有低驱动电压的对称光调制器,其中形成在基板上的分支波导中的任何一个的极化反转,并且两个分支波导同时由形成在其顶部的中心电极控制,从而确保低电压驱动和 体现了由于啁啾而没有信号失真的特征。

    MEMS electrochemical gas sensor
    34.
    发明授权
    MEMS electrochemical gas sensor 有权
    MEMS电化学气体传感器

    公开(公告)号:US09494543B2

    公开(公告)日:2016-11-15

    申请号:US13620546

    申请日:2012-09-14

    CPC分类号: G01N27/18 G01N33/004

    摘要: Disclosed is an electrochemical gas sensor using micro electro mechanical systems (MEMS). The MEMS electrochemical gas sensor includes: a substrate a lower central region of which is etched by a predetermined thickness; a first insulation film formed on the substrate; a heat emitting resistance body formed on the first insulation film; a second insulation film formed on the heat emitting resistance body; a reference electrode formed in an upper central region of the second insulation film; a solid electrolyte formed on the reference electrode; and a detection electrode formed on the solid electrolyte.

    摘要翻译: 公开了一种使用微机电系统(MEMS)的电化学气体传感器。 MEMS电化学气体传感器包括:其下部中心区域被预定厚度蚀刻的衬底; 形成在所述基板上的第一绝缘膜; 形成在第一绝缘膜上的发热电阻体; 形成在所述发热电阻体上的第二绝缘膜; 参考电极,其形成在所述第二绝缘膜的上中央区域中; 形成在参比电极上的固体电解质; 和形成在固体电解质上的检测电极。

    Piezoelectric speaker
    35.
    发明授权
    Piezoelectric speaker 有权
    压电扬声器

    公开(公告)号:US08873776B2

    公开(公告)日:2014-10-28

    申请号:US13289225

    申请日:2011-11-04

    IPC分类号: H04R25/00

    摘要: Disclosed is a piezoelectric speaker including: a piezoelectric layer that converts electrical signals into oscillation and outputs sound; an electrode that is formed on a top or a bottom of the piezoelectric layer to apply the electrical signals to the piezoelectric layer; an acoustic diaphragm that is made of a hetero material including a first acoustic diaphragm and a second acoustic diaphragm and is attached to the bottom of the piezoelectric layer on which the electrode is formed; and a frame attached in a form enclosing a side of the acoustic diaphragm.

    摘要翻译: 公开了一种压电扬声器,包括:将电信号转换为振荡并输出声音的压电层; 形成在压电层的顶部或底部上以将电信号施加到压电层的电极; 由包括第一声膜和第二声膜的异质材料制成并附着在其上形成有电极的压电层的底部的声膜; 以及以包围隔膜的一侧的形式附接的框架。

    Analog-digital converter and converting method using clock delay
    36.
    发明授权
    Analog-digital converter and converting method using clock delay 失效
    模数转换器和使用时钟延迟的转换方法

    公开(公告)号:US08659464B2

    公开(公告)日:2014-02-25

    申请号:US13593301

    申请日:2012-08-23

    IPC分类号: H03M1/34

    CPC分类号: H03M1/462

    摘要: The present inventive concept relates to an analog-digital converter. The analog-digital converter includes a clock generating unit generating a clock signal; a clock delay adjusting unit outputting one of a first clock signal to a Kth clock signal according to a control signal; a capacitive digital-analog converting unit outputting a difference between the analog signal and a reference signal; a comparison unit judging whether an output of the capacitive digital-analog converting unit is 0, a positive number, or a negative number, in response to an output of the clock delay adjusting unit; and an SAR logic unit transferring an output of the comparison unit to the capacitive digital-analog converting unit in response to an output of the clock delay adjusting unit and performing a successive approximation operation to output the N-bit digital signal.

    摘要翻译: 本发明构思涉及一种模数转换器。 模拟数字转换器包括产生时钟信号的时钟产生单元; 时钟延迟调整单元,根据控制信号将第一时钟信号中的一个输出到第K个时钟信号; 输出模拟信号和参考信号之间的差的电容数字 - 模拟转换单元; 比较单元,响应于时钟延迟调整单元的输出,判定电容数字 - 模拟转换单元的输出是0,正数还是负数; 以及SAR逻辑单元,响应于时钟延迟调整单元的输出,将比较单元的输出传送到电容数字 - 模拟转换单元,并执行逐次逼近操作以输出N位数字信号。

    PROCESS INDEPENDENT TEMPERATURE SENSOR BASED ON OSCILLATOR
    37.
    发明申请
    PROCESS INDEPENDENT TEMPERATURE SENSOR BASED ON OSCILLATOR 有权
    基于振荡器的过程独立温度传感器

    公开(公告)号:US20130156069A1

    公开(公告)日:2013-06-20

    申请号:US13620594

    申请日:2012-09-14

    IPC分类号: G01K7/00

    CPC分类号: G01K7/32

    摘要: The inventive concept discloses a new temperature sensor structure based on oscillator which is insensitive to a process change and improves an error rate of temperature output. The temperature sensor based on oscillator compares an oscillator circuit structure insensitive to a temperature change with an oscillator circuit structure having a frequency change in proportion to a temperature change to output a relative difference between the two oscillator circuit structures and thereby it is compensated itself. In the temperature sensor based on oscillator, a problem of performance reduction due to an external environment and a process deviation of temperature sensor is improved and an output distortion and temperature nonlinearity are effectively improved. Thus, since the temperature sensor based on oscillator has a structure of high performance, low power and low cost, it can be variously used in a detection equipment of temperature environment.

    摘要翻译: 本发明的概念公开了一种基于振荡器的新型温度传感器结构,其对过程变化不敏感并且提高了温度输出的误差率。 基于振荡器的温度传感器将对温度变化不敏感的振荡器电路结构与具有与温度变化成比例的频率变化的振荡器电路结构进行比较,以输出两个振荡器电路结构之间的相对差,由此自身进行补偿。 在基于振荡器的温度传感器中,提高了由于外部环境导致的性能降低和温度传感器的工艺偏差的问题,并且有效地提高了输出失真和温度非线性。 因此,由于基于振荡器的温度传感器具有高性能,低功率和低成本的结构,因此可以被多种用于温度环境的检测设备中。

    LASER NAVIGATION MODULE
    38.
    发明申请
    LASER NAVIGATION MODULE 审中-公开
    激光导航模块

    公开(公告)号:US20120162060A1

    公开(公告)日:2012-06-28

    申请号:US13042069

    申请日:2011-03-07

    IPC分类号: G09G5/00

    摘要: Disclosed herein is a laser navigation module, including: a light source radiating a laser beam; a housing provided with a window transmitting and reflecting the laser beam radiated from the light source and shielding the introduction of visible rays and provided with a transparent part or a translucent part to radiate light radiated from the inside thereof to the outside; a lighting device mounted in the housing; and a light diffusing member transferring the light radiated from the lighting device and having a groove part formed at an edge of an opposite side of the lighting device.

    摘要翻译: 这里公开了一种激光导航模块,包括:辐射激光束的光源; 壳体,其具有透射并反射从光源辐射的激光束并遮蔽可见光线的引入并设置有透明部分或半透明部分的窗口,以将从其内部辐射的光辐射到外部; 安装在所述壳体中的照明装置; 以及光漫射构件,其传递从所述照明装置照射的光并且具有形成在所述照明装置的相对侧的边缘处的凹槽部。

    Wavelength conversion device package
    40.
    发明授权
    Wavelength conversion device package 有权
    波长转换器件封装

    公开(公告)号:US08098422B2

    公开(公告)日:2012-01-17

    申请号:US12472918

    申请日:2009-05-27

    IPC分类号: G02F1/35

    摘要: A nonlinear optical device is provided. More specifically, a wavelength conversion device package with less optical loss stabilizes optical alignment under an external environmental change, for example, in a temperature variation by providing a temperature regulating block and a temperature sensor to an optical oscillator and a wavelength modulator and fixing a flexible optical transmitter to the optical oscillator and the wavelength modulator.The wavelength conversion device package includes an optical oscillator comprising a light source for emitting a light; a flexible optical transmitter for transferring the light emitted from the optical oscillator to a wavelength modulator; and the wavelength modulator for receiving the light from the optical transmitter and radiating a wavelength-modulated light.

    摘要翻译: 提供非线性光学装置。 更具体地,具有较少光损耗的波长转换器件封装在外部环境变化下稳定了光学取向,例如在温度变化方面,通过向光学振荡器和波长调制器提供温度调节块和温度传感器并固定柔性 光发射机到光学振荡器和波长调制器。 波长转换器件封装包括:包括用于发光的光源的光振荡器; 用于将从光学振荡器发射的光转移到波长调制器的柔性光发射器; 以及用于接收来自光发射机的光并辐射波长调制光的波长调制器。