公开(公告)号：US20050276205A1

公开(公告)日：2005-12-15

申请号：US11150116

申请日：2005-06-13

申请人： Tae-youn Heor ,  Bong-gi Kim ,  Seong-su Park

发明人： Tae-youn Heor ,  Bong-gi Kim ,  Seong-su Park

IPC分类号： G11B5/09 ,  G11B7/00 ,  G11B7/09 ,  G11B7/135

CPC分类号： G11B7/1353 ,  G11B7/0903 ,  G11B2007/0006

摘要： An optical pickup apparatus and method for recording and/or reproducing information onto and/or from optical discs having diverse specifications. Particularly, a diffraction grating for use in the optical pickup apparatus includes a substrate for refracting an output beam from a laser diode at a predetermined refractive index, a liquid crystal for refracting the beam, which is transmitted through the substrate, at a different refractive index and direction according to a track pitch of the optical disc, an electrode material for supplying power to the liquid crystal, and a switch for controlling power supply to the electrode material. Electrode materials are aligned with various spacing in order to change the refractive index of the liquid crystal according to the wavelength of a laser and the specification of an optical disc used. Also, power supply to the electrode materials is controlled depending on the optical disc specification.

摘要翻译： 一种用于在具有不同规格的光盘上和/或从其上记录和/或再现信息的光学拾取装置和方法。 特别地，用于光学拾取装置的衍射光栅包括用于以预定折射率折射来自激光二极管的输出光束的衬底，用于折射透射通过衬底的光束的液晶以不同的折射率 和根据光盘的轨道间距的方向，用于向液晶供电的电极材料和用于控制对电极材料的电力供给的开关。 为了根据激光的波长和使用的光盘的规格来改变液晶的折射率，电极材料以各种间隔对准。 此外，根据光盘规格来控制对电极材料的供电。

公开(公告)号：US5446959A

公开(公告)日：1995-09-05

申请号：US268104

申请日：1994-07-06

申请人： Dong-Goo Kim ,  Min-Kyu Song ,  Seong-Su Park ,  Seung-Goo Kang ,  Hyung-Jin Yoon ,  Hyung-Moo Park

发明人： Dong-Goo Kim ,  Min-Kyu Song ,  Seong-Su Park ,  Seung-Goo Kang ,  Hyung-Jin Yoon ,  Hyung-Moo Park

IPC分类号： H01L21/52 ,  H01L23/02 ,  H01L23/04 ,  H01L23/28 ,  H01L23/433 ,  H01L23/48 ,  H01L23/495 ,  H01L23/60 ,  H01L23/66 ,  H01R43/00

CPC分类号： H01L24/32 ,  H01L23/4334 ,  H01L23/49562 ,  H01L23/60 ,  H01L23/66 ,  H01L24/29 ,  H01L24/49 ,  H01L2224/29101 ,  H01L2224/29111 ,  H01L2224/29116 ,  H01L2224/29144 ,  H01L2224/2919 ,  H01L2224/32245 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2224/49109 ,  H01L2224/49175 ,  H01L2224/73265 ,  H01L2224/92 ,  H01L2224/92247 ,  H01L24/48 ,  H01L24/73 ,  H01L2924/00014 ,  H01L2924/01005 ,  H01L2924/01006 ,  H01L2924/01015 ,  H01L2924/01029 ,  H01L2924/01032 ,  H01L2924/01033 ,  H01L2924/01047 ,  H01L2924/0105 ,  H01L2924/01051 ,  H01L2924/01058 ,  H01L2924/01061 ,  H01L2924/01075 ,  H01L2924/01079 ,  H01L2924/01082 ,  H01L2924/0132 ,  H01L2924/014 ,  H01L2924/0665 ,  H01L2924/10329 ,  H01L2924/1306 ,  H01L2924/13063 ,  H01L2924/14 ,  H01L2924/15738 ,  H01L2924/1576 ,  H01L2924/3011 ,  H01L2924/30111 ,  H01L2924/3025 ,  H01L2924/351 ,  Y10T29/49121

摘要： A method of packaging a power semiconductor device is disclosed, comprising the steps of preparing a lead frame including a paddle for providing a semiconductor chip on a top surface thereof, tie bars for supporting said paddle, wherein said paddle being provided lower in horizontal surface than the leads; attaching a heat radiating plate on a bottom surface of the paddle by cladding; attaching a Kovar plate on the top surface of the paddle by soldering, said Kovar plate having similar heat expansion coefficient to that of the chip; providing the chip on the Kovar plate by soldering; wire-bonding terminals of said semiconductor chip to the corresponding leads of the lead frame, respectively; coating polyimide over the semiconductor chip by spin-coating; curing the polyimide coated thus; forming a metal cap above the said paddle by soldering, and injecting a molding material into a molder for enclosing the paddle and curing the molding material injected thus the method can be applied to produce a plastic package of a power semiconductor device at low cost. The metal cap is grounded through the tie bars as a source electrode to shield a noise.

摘要翻译： 公开了一种封装功率半导体器件的方法，包括以下步骤：制备引线框架，该引线框架包括用于在其顶表面上提供半导体芯片的焊盘，用于支撑所述焊盘的连接杆，其中所述焊盘设置在水平表面的下方， 线索 通过包覆将散热板附接在桨叶的底面上; 通过焊接将Kovar板附接在桨的顶表面上，所述Kovar板的热膨胀系数与芯片的热膨胀系数相似; 通过焊接在Kovar板上提供芯片; 将所述半导体芯片的引线接合端子分别连接到引线框架的对应引线; 通过旋涂在半导体芯片上涂覆聚酰亚胺; 固化由此涂覆的聚酰亚胺; 通过焊接在所述焊盘上形成金属盖，并且将成型材料注入成型机中以封闭所述焊盘并固化所述方法所注入的模塑材料，可以应用于以低成本生产功率半导体器件的塑料封装。 金属盖通过连杆作为源极接地，以屏蔽噪声。

公开(公告)号：US5269152A

公开(公告)日：1993-12-14

申请号：US944179

申请日：1992-09-11

申请人： Seong Su Park

发明人： Seong Su Park

IPC分类号： F25D11/02 ,  F25D17/06 ,  G05D23/00

CPC分类号： F25D17/065 ,  F25B2600/112 ,  F25D2317/0681 ,  F25D2700/02

摘要： A temperature control method for a refrigerator which is capable of promptly restoring temperatures inside a freezing compartment and a refrigerating compartment by controlling a rotation speed of a fan of an operation control system of the refrigerator via a rotation speed-variable control unit to allow cooling air to flow into the freezing compartment and the refrigerating compartment in inverse proportion to each other in response to the temperatures inside the freezing compartment and the refrigerating compartment.

摘要翻译： 一种用于冰箱的温度控制方法，其能够通过经由旋转速度可变控制单元控制冰箱的操作控制系统的风扇的转速来迅速恢复冷冻室和冷藏室内的温度，以允许冷却空气 响应于冷冻室和冷藏室内的温度而相互成反比地流入冷冻室和冷藏室。

公开(公告)号：US20120155240A1

公开(公告)日：2012-06-21

申请号：US13316085

申请日：2011-12-09

申请人： Seong-su PARK ,  Joji ANZAI ,  Yong-han YOON ,  Jong-uk KIM ,  Ichiro MORISHITA

发明人： Seong-su PARK ,  Joji ANZAI ,  Yong-han YOON ,  Jong-uk KIM ,  Ichiro MORISHITA

IPC分类号： G11B7/1353 ,  G11B7/1374

CPC分类号： G11B7/1374 ,  G11B7/1353

摘要： An optical pick-up apparatus for reproducing information recorded on an optical recording medium or recording information on the optical recording medium is provided. The optical pick-up apparatus includes a light source unit which generates beams; a diffraction element which diffracts the generated beams; and an objective lens which focuses a p order diffracted beam which is used for recording and reproducing information among a plurality of diffracted beams which are diffracted by the diffraction element on any one of a plurality of information layers which are formed on an optical recording medium. A p±1 order diffracted beam which is not used for recording and reproducing information is focused away from the plurality of information recording layers and on the surface of the optical recording medium.

摘要翻译： 提供了一种用于再现记录在光学记录介质上的信息或在光学记录介质上记录信息的光学拾取装置。 光学拾取装置包括产生光束的光源单元; 衍射元件衍射生成的光束; 以及物镜，其将用于在通过衍射元件衍射的多个衍射光束中记录和再现信息的p阶衍射光束聚焦在形成在光学记录介质上的多个信息层中的任何一个上。 不用于记录和再现信息的p±1级衍射光束从多个信息记录层和光记录介质的表面上聚焦。

公开(公告)号：US07917834B2

公开(公告)日：2011-03-29

申请号：US11635366

申请日：2006-12-07

申请人： Jong Hyun Seo ,  Byung Jo Kim ,  Seong Su Park

发明人： Jong Hyun Seo ,  Byung Jo Kim ,  Seong Su Park

IPC分类号： H03M13/00

CPC分类号： H03M13/3927 ,  H03M13/395 ,  H03M13/6502

摘要： Provided are an apparatus and method for efficiently computing a log likelihood ratio (LLR) using the maximum a posteriori (MAP) algorithm known as block combining. The method includes the steps of: calculating alpha values, beta values and gamma values of at least two time sections; calculating transition probabilities of respective states in the at least two time sections; performing a comparison operation for some of the transition probabilities to determine the highest value, selecting one of the other transition probabilities according to the determined high value, comparing the determined value with the selected value to select the higher value, and thereby obtaining the highest of the transition probabilities; and determining an operation to apply according to the highest transition probability and calculating an LLR.

摘要翻译： 提供了一种使用称为块组合的最大后验（MAP）算法来有效地计算对数似然比（LLR）的装置和方法。 该方法包括以下步骤：计算至少两个时间段的α值，β值和γ值; 计算所述至少两个时间段中的各个状态的转移概率; 对一些转移概率进行比较操作以确定最高值，根据确定的高值选择其他转移概率之一，将所确定的值与所选择的值进行比较以选择较高的值，从而获得最高的 转移概率; 并根据最高转移概率确定应用的运算并计算LLR。

公开(公告)号：US20110063968A1

公开(公告)日：2011-03-17

申请号：US12761495

申请日：2010-04-16

申请人： Seong-su PARK ,  Soo-han Park ,  Bong-gi Kim ,  Ichiro Morishita ,  Myoung-seok Kim ,  Jung-woo Hong

发明人： Seong-su PARK ,  Soo-han Park ,  Bong-gi Kim ,  Ichiro Morishita ,  Myoung-seok Kim ,  Jung-woo Hong

IPC分类号： G11B7/135

CPC分类号： G11B7/1398 ,  G11B7/1275 ,  G11B7/1367 ,  G11B2007/0006

摘要： An optical pickup apparatus includes a light generating unit to generate a light to record or reproduce information, an objective lens to focus the light generated from the light generating unit onto a disk, and a multi-sectional polarizer disposed on a light path between the light generating unit and the objective lens and divided into a plurality of sectors having their individual optical axes.

摘要翻译： 一种光拾取装置，包括产生光以记录或再现信息的光产生单元，将从光产生单元产生的光聚焦到盘上的物镜，以及设置在光之间的光路上的多截面偏振片 生成单元和物镜，并分成具有各自的光轴的多个扇区。

公开(公告)号：US07715297B2

公开(公告)日：2010-05-11

申请号：US11150116

申请日：2005-06-13

申请人： Tae-youn Heor ,  Bong-gi Kim ,  Seong-su Park

发明人： Tae-youn Heor ,  Bong-gi Kim ,  Seong-su Park

IPC分类号： G11B7/00

CPC分类号： G11B7/1353 ,  G11B7/0903 ,  G11B2007/0006

摘要： An optical pickup apparatus and method for recording and/or reproducing information onto and/or from optical discs having diverse specifications. Particularly, a diffraction grating for use in the optical pickup apparatus includes a substrate for refracting an output beam from a laser diode at a predetermined refractive index, a liquid crystal for refracting the beam, which is transmitted through the substrate, at a different refractive index and direction according to a track pitch of the optical disc, an electrode material for supplying power to the liquid crystal, and a switch for controlling power supply to the electrode material. Electrode materials are aligned with various spacing in order to change the refractive index of the liquid crystal according to the wavelength of a laser and the specification of an optical disc used. Also, power supply to the electrode materials is controlled depending on the optical disc specification.

摘要翻译： 一种用于在具有不同规格的光盘上和/或从其上记录和/或再现信息的光学拾取装置和方法。 特别地，用于光学拾取装置的衍射光栅包括用于以预定折射率折射来自激光二极管的输出光束的衬底，用于折射透射通过衬底的光束的液晶以不同的折射率 和根据光盘的轨道间距的方向，用于向液晶供电的电极材料和用于控制对电极材料的电力供给的开关。 为了根据激光的波长和使用的光盘的规格来改变液晶的折射率，电极材料以各种间隔对准。 此外，根据光盘规格来控制对电极材料的供电。

公开(公告)号：US20090073837A1

公开(公告)日：2009-03-19

申请号：US12135424

申请日：2008-06-09

申请人： Soo Han Park ,  Morishita Ichiro ,  Seong Su Park

发明人： Soo Han Park ,  Morishita Ichiro ,  Seong Su Park

IPC分类号： G11B5/58 ,  G11B7/00

CPC分类号： G11B7/1398 ,  G11B7/0903 ,  G11B7/1365 ,  G11B7/1374

摘要： An optical pickup to improve countermeasure capability of a disc by allowing polarized light of a spot on the disc to become elliptically polarized light includes a light source to emit semiconductor laser light, an objective lens to condense the light emitted from the light source and form an optical spot on a disc, and a wave plate which is rotated such that the spot formed on the disc becomes elliptically polarized light.

摘要翻译： 通过使光盘上的斑点的偏振光变为椭圆偏振光来提高光盘的对策能力的光学拾取器包括发射半导体激光的光源，用于冷凝从光源发出的光的物镜，形成 光盘上的光点，以及旋转的波片，使得形成在盘上的光斑变为椭圆偏振光。

公开(公告)号：US07436257B2

公开(公告)日：2008-10-14

申请号：US11482576

申请日：2006-07-07

申请人： Min Park ,  Yun Ho Choi ,  Kyung Hwan Park ,  Seok Bong Hyun ,  Seong Su Park

发明人： Min Park ,  Yun Ho Choi ,  Kyung Hwan Park ,  Seok Bong Hyun ,  Seong Su Park

IPC分类号： H03F1/14

CPC分类号： H03F1/0222 ,  H03F1/0277

摘要： Provided is a power amplifier of a low-power consumption system that has linearity at a peak output power while increasing efficiency in a most frequently used range, and thereby enables a battery to last longer. The power amplifier includes an input impedance matcher for impedance-matching a signal input from the outside; a high-power amplifier and a low-power amplifier for amplifying the signal having passed through the input impedance matcher; an amplification controller controlling the high-power amplifier and low-power amplifier according to the power level of the input signal; an output impedance matcher for impedance-matching the signal amplified by the high-power amplifier and low-power amplifier; and a dynamic voltage supplier for supplying the low-power amplifier with a variable driving voltage. With the constitution set forth above, linearity at peak output power is maintained, and efficiency increases in the most frequently used range, thereby enabling the battery of a handheld to last longer.

摘要翻译： 提供了一种低功耗系统的功率放大器，其在峰值输出功率下具有线性度，同时提高了最常用范围内的效率，从而使得电池能够持续更长时间。 功率放大器包括用于阻抗匹配从外部输入的信号的输入阻抗匹配器; 大功率放大器和用于放大已经通过输入阻抗匹配器的信号的低功率放大器; 放大控制器根据输入信号的功率电平控制大功率放大器和低功率放大器; 用于阻抗匹配由大功率放大器和低功率放大器放大的信号的输出阻抗匹配器; 以及用于向低功率放大器供应可变驱动电压的动态电压供应器。 根据上述结构，保持峰值输出功率的线性度，并且在最常用的范围内效率增加，从而使得手持式电池的持续时间更长。

公开(公告)号：US07417496B2

公开(公告)日：2008-08-26

申请号：US11588456

申请日：2006-10-27

申请人： Tae Young Kang ,  Kyung Hwan Park ,  Seong Su Park

发明人： Tae Young Kang ,  Kyung Hwan Park ,  Seong Su Park

IPC分类号： H03D1/00 ,  H03K5/153 ,  H03K9/00 ,  H04L27/06

CPC分类号： H04L27/06 ,  H03D1/10 ,  H04L25/061

摘要： Provided is a demodulator circuit allowing a tag or transponder to efficiently recover data of an input amplitude signal at very low power in a wireless communication system such as a radio frequency identification (RFID) system. The demodulator connects an output of a voltage multiplier to a low-current path by capacitive coupling, thereby recovering data. Therefore, data is recovered, at low power, from an input amplitude signal having a low modulation depth, and it is possible to increase a communication distance.

摘要翻译： 提供了一种解调器电路，其允许标签或应答器在诸如射频识别（RFID）系统的无线通信系统中以非常低的功率有效地恢复输入幅度信号的数据。 解调器通过电容耦合将电压倍增器的输出连接到低电流路径，从而恢复数据。 因此，以低功率从具有低调制深度的输入幅度信号恢复数据，并且可以增加通信距离。