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    • 4. 发明申请
    • METHOD, APPARATUS AND SYSTEM FOR PROVIDING METERING OF ACCELERATION
    • 方法,提供加速度计的装置和系统
    • US20140182377A1
    • 2014-07-03
    • US13730634
    • 2012-12-28
    • Kevin L. LinFaras EidQing Ma
    • Kevin L. LinFaras EidQing Ma
    • G01P15/10B81C1/00B81B3/00
    • G01P15/105G01P15/08
    • Techniques and mechanisms to provide for metering acceleration. In an embodiment, a microelectromechanical accelerometer includes a magnet, a mass, and a first support beam portion and second support beam portion for suspension of the mass. Resonance frequency characteristics of the first support beam portion and second support beam portion, based on the magnet and a current conducted by the first support beam portion and second support beam portion, are indicative of acceleration of the mass. In another embodiment, the accelerometer further includes a first wire portion and a second wire portion which are each coupled to the mass and further coupled to a respective anchor for exchanging a signal with the first wire portion and the second wire portion. The first wire portion and the second wire portion provide for biasing of the mass.
    • 提供计量加速度的技术和机制。 在一个实施例中,微机电加速度计包括用于悬挂质量的磁体,质量块和第一支撑梁部分和第二支撑梁部分。 基于磁体的第一支撑梁部分和第二支撑梁部分的共振频率特性以及由第一支撑梁部分和第二支撑梁部分传导的电流表示质量的加速度。 在另一个实施例中,加速度计还包括第一线部分和第二线部分,每个第一线部分和第二线部分均耦合到质量块,并且还耦合到相应的锚,用于与第一线部分和第二线部分交换信号。 第一线部分和第二线部分提供质量的偏压。
    • 9. 发明授权
    • Waterproof LED lamp tube and casing of same
    • 防水LED灯管及套管相同
    • US08388171B2
    • 2013-03-05
    • US13275942
    • 2011-10-18
    • Chienchen TungQing MaKegang YueDeliang XiaoXianhua Zhao
    • Chienchen TungQing MaKegang YueDeliang XiaoXianhua Zhao
    • F21V21/00
    • F21V19/0045F21V15/015F21V31/00
    • An LED lamp tube with improved sealing and cooling performance includes a plastic tube shell, an LED lamp strip, a metal casing and two end caps. The plastic tube shell is elongate and includes a light condensing structure and a light reflection structure integrally formed by extrusion and an installation chamber formed between the light condensing structure and the light reflection structure. The LED lamp strip is held in the installation chamber and at one side of the light reflection structure. The metal casing is coupled on the outer side of the light reflection structure. Each of the end caps is coupled on each of two ends of the plastic tube shell, thus can achieve IP67 waterproof and dustproof level, and also can resolve cooling problem of the lamp tube.
    • 具有改进的密封和冷却性能的LED灯管包括塑料管壳,LED灯条,金属外壳和两个端盖。 塑料管壳是细长的,并且包括聚光结构和通过挤压一体形成的光反射结构和形成在聚光结构和光反射结构之间的安装室。 LED灯条被保持在安装室和光反射结构的一侧。 金属外壳耦合在光反射结构的外侧。 每个端盖都耦合在塑料管壳的两端,从而可以实现IP67防水防尘等级,也可以解决灯管的冷却问题。