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    • 6. 发明授权
    • Digital controlled electronic ballast with piezoelectric transformer
    • 带压电变压器的数字控制电子镇流器
    • US06509699B2
    • 2003-01-21
    • US09878242
    • 2001-06-12
    • Jong Soo KimSang Hyun LeeJong Sun KimChoong Sik YooJong Man Jung
    • Jong Soo KimSang Hyun LeeJong Sun KimChoong Sik YooJong Man Jung
    • G05F100
    • H05B41/2822
    • A digitally controlled electronic ballast with a piezoelectric transformer automatically controls the brightness of a lamp in a digital frequency modulation manner. The ballast power a rectifier for rectifying an input low-frequency AC voltage to obtain a DC voltage, a power factor improving circuit for maintaining the level of the DC voltage output from the rectifier constant, an inverter for performing a switching operation, a resonance circuit for transferring a high-frequency AC voltage output from the inverter to the lamp. The resonance circuit includes a coil and a high-power piezoelectric transformer. A digital controller is provided for modulating a frequency controlling a switching period of the inverter when the lamp is turned off/off. The piezoelectric transformer is made of a composition expressed by Pb1-aSra[(Ni½W½)b(Mn⅓Nb⅔)c(Zr1-xTix)1-b-c]O3+kPbO.
    • 具有压电变压器的数字控制电子镇流器以数字频率调制方式自动控制灯的亮度。 镇流器用于整流输入低频AC电压以获得DC电压的整流器,用于维持从整流器输出的DC电压的电平恒定的功率因数改善电路,用于执行开关操作的逆变器,谐振电路 用于将从逆变器输出的高频AC电压传送到灯。 谐振电路包括线圈和大功率压电变压器。 提供数字控制器,用于在灯关闭/关闭时调制控制逆变器的开关周期的频率。 压电变压器由表示的组成构成
    • 9. 发明申请
    • DOOR LATCH APPARATUS FOR VEHICLE
    • 车门锁装置
    • US20130147209A1
    • 2013-06-13
    • US13532493
    • 2012-06-25
    • Sang Hyun LeeKi Ryun AhnRae Ung Jeong
    • Sang Hyun LeeKi Ryun AhnRae Ung Jeong
    • E05C5/02
    • E05B77/06Y10T292/0863
    • A door latch apparatus for a vehicle may include a release lever rotatably coupled on a base plate by a hinge pin, the release lever being provided with a locking part, an open lever provided on the hinge pin to be rotatable along with the release lever, the open lever locking or unlocking a door of the vehicle, a rotating lever rotatably coupled on the base plate by a rotating shaft, the rotating lever being connected to a door handle by a wire so that the rotating lever is rotated by operation of the wire, and an operating lever rotatably mounted on the hinge pin, the operating lever being provided with a locking protrusion, wherein the locking protrusion is disposed between the locking part of the release lever and the rotating lever when an external impact is not applied or applied less than a predetermined amount to the operating lever.
    • 用于车辆的门闩装置可以包括通过铰链销可旋转地联接在基板上的释放杆,释放杆设置有锁定部分,设置在铰链销上以与释放杆一起旋转的打开杆, 所述打开杆锁定或解锁所述车辆的门,通过旋转轴可旋转地联接在所述基板上的旋转杆,所述旋转杆通过线连接到门把手,使得所述旋转杆通过所述线的操作而旋转 以及可旋转地安装在所述铰链销上的操作杆,所述操作杆设置有锁定突起,其中所述锁定突起设置在所述释放杆的锁定部分和所述旋转杆之间,当外部冲击不被施加或施加较小时 超过操作杆的预定量。