公开(公告)号：US06441590B1

公开(公告)日：2002-08-27

申请号：US09515304

申请日：2000-02-29

申请人： Robert Amantea ,  Timothy Allen Pletcher ,  Jae-Hong Joo ,  Min-Sung Yang

发明人： Robert Amantea ,  Timothy Allen Pletcher ,  Jae-Hong Joo ,  Min-Sung Yang

IPC分类号： G05F140

CPC分类号： H02M1/4258 ,  H02M3/33507 ,  H02M3/33523 ,  H02M3/33561 ,  H02M2001/0032 ,  Y02B70/126 ,  Y02B70/16 ,  Y10T307/398 ,  Y10T307/675

摘要： A power supply according to the principles of the inventions comprises two stages. The first stage is a power factor corrector stage. This stage provides the required line regulation, including greater than 95% power factor correction, and provides a range of outputs from approximately 5 volts to 200 volts with good load regulation at low voltages. The second stage is a soft switching power supply having good load regulation from approximately 40 to approximately 175 volts. An intermediate high voltage of the first stage supplies the input to the second stage, thereby achieving extremely good line regulation and low regulation.

摘要翻译： 根据本发明的原理的电源包括两个阶段。 第一阶段是功率因数校正器阶段。 该阶段提供所需的线路调节，包括大于95％的功率因数校正，并提供大约5伏特到200伏特的输出范围，并且在低电压下具有良好的负载调节。 第二级是一个软开关电源，具有从大约40到大约175伏的良好的负载调节。 第一级的中间高电压将输入提供给第二级，从而实现非常好的线路调节和低调节。

公开(公告)号：US08711123B2

公开(公告)日：2014-04-29

申请号：US13265364

申请日：2010-01-14

申请人： Kwang Deok Park ,  Sang Bo Cheong ,  Jae Hong Joo ,  Min Sung Yang ,  Seong Hyun Nam ,  Sang Chuel Lee

发明人： Kwang Deok Park ,  Sang Bo Cheong ,  Jae Hong Joo ,  Min Sung Yang ,  Seong Hyun Nam ,  Sang Chuel Lee

IPC分类号： G09G5/00 ,  G06F3/033 ,  G09G5/08 ,  G06F3/041 ,  G06F3/045 ,  G06K11/06 ,  G08C21/00

CPC分类号： G06F3/045 ,  G06F2203/04104

摘要： The present invention relates to a resistive touchscreen for recognizing touch coordinates through a capacitor charging time constant, and more specifically, the invention comprises: an equal resistance line operating means for obtaining the same resistance line according to an (Rv+Ry+) value and the same resistance line according to an (Rv+Ry−) value by using the charge time constant after a charge time constant measuring means measures charge time constants of capacitors CconL and CconR; and a coordinate calculating means for obtaining intersecting points of the resistance lines, thereby perceiving the intersecting points as touch positions. According to the present invention, a conventional ADC (analog to digital converter) is not used because the touch positions can be perceived through the capacitor charging time constants, whereby the invention is advantageous for IC integration.

摘要翻译： 本发明涉及一种用于通过电容充电时间常数识别触摸坐标的电阻式触摸屏，更具体地说，本发明包括：等电阻线操作装置，用于根据（Rv + Ry +）值获得相同的电阻线，并且 在充电时间常数测量装置测量电容器CconL和CconR的充电时间常数之后，通过使用充电时间常数根据（Rv + Ry-）值相同的电阻线; 以及坐标计算装置，用于获得电阻线的相交点，从而将交点作为触摸位置。 根据本发明，由于可以通过电容器充电时间常数感知触摸位置，所以不使用传统的ADC（模数转换器），由此本发明对IC集成是有利的。

公开(公告)号：US06937097B2

公开(公告)日：2005-08-30

申请号：US10668607

申请日：2003-09-24

申请人： Jae Hong Joo ,  Kyong Ryol Kim ,  Kee Cheol Ahn ,  Jin Sung Choi

发明人： Jae Hong Joo ,  Kyong Ryol Kim ,  Kee Cheol Ahn ,  Jin Sung Choi

IPC分类号： H03F1/30 ,  H03F3/189 ,  H03F3/191 ,  H03F3/21 ,  H03F3/45

CPC分类号： H03F3/189 ,  H03F1/30 ,  H03F3/191 ,  H03F3/211 ,  H03F3/45085 ,  H03F3/45475 ,  H03F2203/45464

摘要： The present invention relates to a high-frequency power amplifier having differential inputs, and more specifically to a high-frequency power amplifier having differential inputs, in which a structure of an output port of a communication system for 2.4 GHz ISM frequency band can be simplified by designing and producing the high-frequency power amplifier having differential inputs for 2.4 GHz ISM frequency band using a silicon germanium (SiGe) microwave monolithic integrated circuit (MMIC), thereby decreasing the number of components of a transmission unit and reducing a price of the communication system.

摘要翻译： 本发明涉及一种具有差分输入的高频功率放大器，更具体地说涉及具有差分输入的高频功率放大器，其中可以简化用于2.4GHz ISM频带的通信系统的输出端口的结构 通过使用硅锗（SiGe）微波单片集成电路（MMIC）设计和制造具有用于2.4GHz ISM频带的差分输入的高频功率放大器，从而减少传输单元的组件数量并降低 通讯系统

公开(公告)号：US20120092291A1

公开(公告)日：2012-04-19

申请号：US13265364

申请日：2010-01-14

申请人： Kwang Deok Park ,  Sang Bo Cheong ,  Jae Hong Joo ,  Min Sung Yang ,  Seong Hyun Nam ,  Sang Chuel Lee

发明人： Kwang Deok Park ,  Sang Bo Cheong ,  Jae Hong Joo ,  Min Sung Yang ,  Seong Hyun Nam ,  Sang Chuel Lee

IPC分类号： G06F3/044 ,  G06F3/045

CPC分类号： G06F3/045 ,  G06F2203/04104

摘要： The present invention relates to a resistive touchscreen for recognizing touch coordinates through a capacitor charging time constant, and more specifically, the invention comprises: an equal resistance line operating means for obtaining the same resistance line according to an (Rv+Ry+) value and the same resistance line according to an (Rv+Ry−) value by using the charge time constant after a charge time constant measuring means measures charge time constants of capacitors CconL and CconR; and a coordinate calculating means for obtaining intersecting points of the resistance lines, thereby perceiving the intersecting points as touch positions. According to the present invention, a conventional ADC (analog to digital converter) is not used because the touch positions can be perceived through the capacitor charging time constants, whereby the invention is advantageous for IC integration.

摘要翻译： 本发明涉及一种用于通过电容充电时间常数识别触摸坐标的电阻式触摸屏，更具体地说，本发明包括：等电阻线操作装置，用于根据（Rv + Ry +）值获得相同的电阻线，并且 在充电时间常数测量装置测量电容器CconL和CconR的充电时间常数之后，通过使用充电时间常数根据（Rv + Ry-）值相同的电阻线; 以及坐标计算装置，用于获得电阻线的相交点，从而将交点作为触摸位置。 根据本发明，由于可以通过电容器充电时间常数感知触摸位置，所以不使用传统的ADC（模数转换器），由此本发明对IC集成是有利的。

公开(公告)号：US06359795B1

公开(公告)日：2002-03-19

申请号：US09501941

申请日：2000-02-10

申请人： Robert Amantea ,  Timothy Allen Pletcher ,  Jae-Hong Joo ,  Min-Sung Yang

发明人： Robert Amantea ,  Timothy Allen Pletcher ,  Jae-Hong Joo ,  Min-Sung Yang

IPC分类号： H02M3335

CPC分类号： H02M1/4258 ,  H02M3/33507 ,  H02M3/33561 ,  H02M3/33569 ,  H02M2001/0032 ,  Y02B70/126 ,  Y02B70/1433 ,  Y02B70/16

摘要： A converter utilizing a multifilar transformer having its primary and auxiliary windings made simultaneously, a technique known as bifilar winding, provides high efficiency and low noise. The multifilar winding technique yields minimum leakage inductance between the windings and reduces the proximity effect to a minimum achievable using most well-known wires. The converter utilizes an improved soft-switcher topology which advantageously reduces the interwinding capacitance between the primary and auxiliary windings of the transformer. The topology includes a resonant LC circuit interposed in series with one leg of the auxiliary winding and the auxiliary switch. The other leg of the auxiliary winding is at ground. A controller is provided to control switch timing such that the converter optimizes switch loss and resonant pulse loss.

摘要翻译： A转换器利用具有同时进行的主绕组和辅助绕组的多相变压器，称为双线绕组的技术提供高效率和低噪声。 多绕组技术在绕组之间产生最小的漏电感，并将接近效应降低到使用大多数公知的导线可实现的最小值。 该转换器利用改进的软切换器拓扑，其有利地减小了变压器的主绕组和辅助绕组之间的绕组电容。 该拓扑结构包括与辅助绕组的一个支路和辅助开关串联插入的谐振LC电路。 辅助绕组的另一条腿处于地面。 提供控制器来控制开关定时，使得转换器优化开关损耗和谐振脉冲损耗。

公开(公告)号：US06172492B2

公开(公告)日：2001-01-09

申请号：US09515879

申请日：2000-02-29

申请人： Timothy Allen Pletcher ,  Robert Amantea ,  Min-Sung Yang ,  Heon-Kyu Kim ,  Jae-Hong Joo ,  Bok-Man Kim

发明人： Timothy Allen Pletcher ,  Robert Amantea ,  Min-Sung Yang ,  Heon-Kyu Kim ,  Jae-Hong Joo ,  Bok-Man Kim

IPC分类号： G05F144

CPC分类号： H02M1/4258 ,  H02M3/33507 ,  H02M3/33561 ,  H02M2001/0032 ,  Y02B70/126 ,  Y02B70/16

摘要： A dual mode converter is provided that may be operated as a variable-frequency, naturally-commutated controller in a Zero-Voltage-Switching mode and as a fixed-off-time controller in a Fixed-Off-Time mode. The converter includes four functional elements. A reference and biases element generates voltage references and biases utilized to determine various signal states. A Timing element generates a fixed off time signal and a voltage ramp signal utilized to create the dual modes of operation. A Catastrophic-Event element detects events that cause the converter output be inhibited and the controller to be restarted. A Mode Detection and Pulse Width Modulation element determines the mode of operation for the converter based on signal inputs from the other functional elements and modulates the output accordingly. In a primary mode, the controller utilizes variable frequency operation to deliver primary power. In a standby mode, the controller utilizes fixed frequency operation to provide low power (less than 5W).

摘要翻译： 提供了双模式转换器，其可以在零电压切换模式中作为可变频率，自然换向的控制器操作，并且作为固定关闭时间模式中的固定关断时间控制器。 该转换器包括四个功能元件。 参考和偏置元件产生用于确定各种信号状态的电压参考和偏置。 定时元件产生固定的关闭时间信号和用于产生双重操作模式的电压斜坡信号。 灾难性事件元件检测导致转换器输出被禁止并重新启动控制器的事件。 模式检测和脉冲宽度调制元件根据来自其他功能元件的信号输入确定转换器的工作模式，并相应地调制输出。 在主要模式中，控制器利用可变频率操作来传送主电源。 在待机模式下，控制器利用固定频率操作提供低功率（小于5W）。