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    • 15. 发明授权
    • Piezoelectric ceramic composition, and high power output transformer made of the same composition
    • 压电陶瓷组合物和大功率输出变压器组成相同
    • US06495947B1
    • 2002-12-17
    • US09723672
    • 2000-12-05
    • Jong Sun KimChoong Sik YooJoo Hyun YooYong Woo Lee
    • Jong Sun KimChoong Sik YooJoo Hyun YooYong Woo Lee
    • H01L4108
    • H01L41/107C04B35/493H01L41/187
    • A piezoelectric ceramic composition in which the mechanical quality factor Qm and the electromechanical coupling factor Kp are superior, and a high power output piezoelectric transformer made of it are disclosed. The piezoelectric ceramic composition according to the present invention is composed of Pb1−aSra [(Ni1/2W1/2)b(Mn1/3Nb2/3)c(Zr1−xTix)1−b−c]O3+kPbO, where a is 0-0.06 mol %, b is 0.01−0.05 mol %, c is 0.01-0.09 mol %, x is 0.47-0.53 mol %, and k is 0.1-0.7 wt %. The piezoelectric transformer according to the present invention includes: a piezoelectric block composed of the same composition; a first electrode consists of an inner electrode and an outer electrode, the inner electrode being formed at a center of a top of the piezoelectric block, and the outer electrode being formed around the inner electrode by being separated by an isolating region; a second electrode is formed on the bottom of the piezoelectric block.
    • 本发明的压电陶瓷组合物由机械品质因数Qm和机电耦合系数Kp优良的高压输出型压电变压器构成,其特征在于:Pb1-aSra [( Ni1 / 2W1 / 2)b(Mn1 / 3Nb2 / 3)c(Zr1-xTix)1-bc] O3 + kPbO,其中a为0-0.06mol%,b为0.01-0.05mol%,c为0.01-0.09 mol%,x为0.47〜0.53摩尔%,k为0.1-0.7重量%。本发明的压电变压器包括:由相同组成构成的压电体块; 第一电极由内电极和外电极组成,内电极形成在压电块的顶部的中心,外电极通过隔离区隔开形成在内电极周围; 第二电极形成在压电块的底部。
    • 20. 发明申请
    • ELECTROMOTION TYPE AUTOMATIC CLIP-EJECTING APPARATUS
    • 电动式自动剪贴机
    • US20090250483A1
    • 2009-10-08
    • US12412255
    • 2009-03-26
    • Yong Woo Lee
    • Yong Woo Lee
    • B65H29/00
    • B42B4/00Y10T29/53783
    • In an electro-motion type automatic clip-ejecting apparatus, when paper to be bound is inserted into the apparatus after a large number of clips are charged in the clip magazine, each clip is simultaneously ejected from the clip magazine so that a binding operation is performed so that it is possible to conveniently use the clip ejecting apparatus by only one hand of the user. The apparatus includes a wheel movement member and a clip ejecting member. The wheel movement member includes a pole, a spring for providing elastic force, and a pole movement bar for performing a linear movement so that the pole movement bar is interlocked with the pushing rack gear. The pole is interlocked with the pole movement bar according to linear movement of the pole movement bar. The clip ejecting member includes a spar gear, a fixed gear, and a pushing rack gear.
    • 在电动式自动剪贴装置中,当在夹子中装入大量的夹子之后将待装订的纸张插入到装置中时,每个夹子同时从夹子仓弹出,使得装订操作是 执行,使得可以仅通过用户的一只手方便地使用剪辑弹出装置。 该装置包括轮移动构件和夹子弹出构件。 车轮移动构件包括杆,用于提供弹力的弹簧和用于执行线性运动的杆运动杆,使得杆运动杆与推齿条啮合。 根据杆运动杆的线性运动,杆与杆运动杆互锁。 夹子弹出构件包括翼梁齿轮,固定齿轮和推动齿条。