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    • 3. 发明授权
    • Diamond wire saw
    • 金刚石线锯
    • US09486937B2
    • 2016-11-08
    • US14417520
    • 2013-06-27
    • Hyo Young Kim
    • Hyo Young Kim
    • B28D1/08B23D61/18
    • B28D1/08B23D61/185
    • Provided is a wire saw intended for cutting concrete, stone or the like, more particularly, a diamond wire saw which is configured such that each front of beads is formed to be curved so that the beads can appropriately respond to resistance transmitted from an object to be cut without being in direct contact with the resistance, cutting diamond layers are electrodeposited and attached to the curved portions, and a large quantity of cutting chips are accommodate and are then discharged to the outside so that the number of installed beads can be easily adjusted.
    • 提供了一种用于切割混凝土,石头等的线锯,更具体地,提供了一种金刚石线锯,其被配置为使得珠的每个前部形成为弯曲的,使得珠可以适当地响应于从物体传递的电阻 切割而不与电阻直接接触,切割金刚石层被电沉积并附着到弯曲部分,并且大量的切屑被容纳并且然后被排出到外部,使得可以容易地调节安装的珠的数量 。
    • 4. 发明申请
    • DIAMOND WIRE SAW
    • 钻石线
    • US20150209976A1
    • 2015-07-30
    • US14417520
    • 2013-06-27
    • Hyo Young KIM
    • Hyo Young Kim
    • B28D1/08B23D61/18
    • B28D1/08B23D61/185
    • Provided is a wire saw intended for cutting concrete, stone or the like, more particularly, a diamond wire saw which is configured such that each front of beads is formed to be curved so that the beads can appropriately respond to resistance transmitted from an object to be cut without being in direct contact with the resistance, cutting diamond layers are electrodeposited and attached to the curved portions, and a large quantity of cutting chips are accommodate and are then discharged to the outside so that the number of installed beads can be easily adjusted.
    • 提供了一种用于切割混凝土,石头等的线锯,更具体地,提供了一种金刚石线锯,其被配置为使得珠的每个前部形成为弯曲的,使得珠可以适当地响应于从物体传递的电阻 切割而不与电阻直接接触,切割金刚石层被电沉积并附着到弯曲部分,并且大量的切屑被容纳并且然后被排出到外部,使得可以容易地调节安装的珠的数量 。
    • 7. 发明授权
    • Boost converter for reducing voltage stress
    • 升压转换器,用于降低电压应力
    • US08854837B2
    • 2014-10-07
    • US13220188
    • 2011-08-29
    • Hyo Young KimJong Rak KimSung Hun OhJin Hwan Kim
    • Hyo Young KimJong Rak KimSung Hun OhJin Hwan Kim
    • H02M3/335H02M1/34
    • H02M3/335H02M2001/346Y02B70/1491
    • There is provided a boost converter capable of reducing voltage stress within each element thereof, without using a separate loss snubber circuit, by clamping a voltage applied to an output diode to correspond to a difference between an input voltage and an output voltage. The boost converter includes a transformer including a primary winding receiving an input power and a secondary winding electromagnetically coupled to the primary winding and having a preset turn ratio therewith; a switching unit switching the input power transferred to the primary winding on and off according to a preset duty ratio; a stabilizing unit including an output diode rectifying the power outputted from the secondary winding to stabilize an output power; and a clamping unit clamping a voltage applied to the output diode to correspond to a difference between the input power and the output power during a switching on operation of the switching unit.
    • 提供了一种升压转换器,其能够通过钳位施加到输出二极管的电压以对应于输入电压和输出电压之间的差来减小其每个元件内的电压应力,而不使用单独的损耗缓冲电路。 升压转换器包括变压器,其包括接收输入功率的初级绕组和与该初级绕组电磁耦合并具有预设的匝数比的次级绕组; 开关单元根据预设的占空比将传递到初级绕组的输入功率接通和断开; 稳定单元,其包括对从次级绕组输出的功率进行整流以稳定输出功率的输出二极管; 以及钳位单元,钳位施加到输出二极管的电压,以对应于在开关单元的接通操作期间输入功率和输出功率之间的差。
    • 8. 发明授权
    • Light emitting device driving apparatus and method for driving the same
    • 发光装置驱动装置及其驱动方法
    • US08125161B2
    • 2012-02-28
    • US12591737
    • 2009-11-30
    • Hyo Young KimSung Hun OhJin Hwan KimJong Rak Kim
    • Hyo Young KimSung Hun OhJin Hwan KimJong Rak Kim
    • G05F1/00
    • H05B33/0827H05B33/0818Y02B20/347
    • The present invention relates to a light emitting device (LED) driving apparatus that constantly maintains the average current flowing onto a plurality of channels. The light emitting device (LED) driving apparatus includes: a LED light source unit in which at least one LED channel is connected in parallel; at least one current detector that is disposed on a low end of a LED channel of the LED light source unit to detect the current flowing onto respective LED channels; at least one channel current controller that generates control signal controlling the average current of the channels by comparing current detected from the channels with reference wave; and a switching element that controls the average current of the LED channels in a PWM scheme according to the control signals.
    • 本发明涉及持续保持流过多个通道的平均电流的发光装置(LED)驱动装置。 发光装置(LED)驱动装置包括:LED光源单元,其中至少一个LED通道并联连接; 至少一个电流检测器,设置在LED光源单元的LED通道的低端,以检测流到各个LED通道的电流; 至少一个通道电流控制器,其通过将从所述通道检测到的电流与参考波相比较来产生控制所述通道的平均电流的控制信号; 以及开关元件,其根据控制信号控制PWM方案中的LED通道的平均电流。
    • 9. 发明申请
    • DIAMOND TOOL FABRICATED BY COMBINING MESH NET WITH SYNTHETIC RESIN MATERIAL
    • 通过与合成树脂材料组合网布制成的金刚石工具
    • US20100232891A1
    • 2010-09-16
    • US12515548
    • 2007-11-21
    • Hyo Young Kim
    • Hyo Young Kim
    • B23P15/28
    • B24D3/28B24D11/02B24D18/0009Y10T407/27
    • Disclosed therein is a diamond tool fabricated by combining a mesh net with a synthetic resin material, which includes a diamond sintered body integrally coupled with the outer surface of the mesh net and a synthetic resin material impregnated into the inner surface of the mesh net, thereby maximizing a bonding strength and minimizing weight. The diamond tool includes: a diamond sintered body having a diamond tip; a mesh net integrally coupled with the sintered body in such a way that a portion of the sintered body is impregnated therewith; and a synthetic resin material for forming a body in such a way as to couple the mesh net with the circumference of the sintered body to thereby expose the sintered body to the outside.
    • 其中公开了一种金刚石工具,该金刚石工具通过将网状网与合成树脂材料组合而成,该合金树脂材料包括与网状网的外表面一体地结合的金刚石烧结体和浸入网状网的内表面的合成树脂材料 最大限度地提高粘结强度并减轻重量。 金刚石工具包括:具有金刚石尖端的金刚石烧结体; 与烧结体一体地结合的网状网,其中烧结体的一部分被浸渍; 以及用于形成本体的合成树脂材料,以将网状网与烧结体的周边连接,从而将烧结体暴露于外部。