公开(公告)号：US20110280334A1

公开(公告)日：2011-11-17

申请号：US12859800

申请日：2010-08-20

申请人： Joon Hyung Lim ,  Han Jin Cho ,  Yong Il Kwon ,  Kyung Hee Hong ,  Koon Shik Cho ,  Myeung Su Kim

发明人： Joon Hyung Lim ,  Han Jin Cho ,  Yong Il Kwon ,  Kyung Hee Hong ,  Koon Shik Cho ,  Myeung Su Kim

IPC分类号： H04L27/00 ,  H03C1/02

CPC分类号： H04L27/361 ,  H03C5/00 ,  H03F2200/331 ,  H03M1/682 ,  H03M1/685 ,  H03M7/3042

摘要： The present invention provides a digital amplitude modulator and polar transmitter using the same. The polar transmitter includes: a polar converter for converting an input signal into an amplitude information signal and a phase information signal, and outputting the converted amplitude and phase information signal; a sigma-delta modulator for receiving a fractional part of the amplitude information signal, and generating a correcting value for an integer part of the amplitude information signal; a phase-modulator for upward-modulating the phase information signal outputted from the polar converter, and outputting carrier waves including the upward-modulated phase information signal; and a digital power amplifier for generating an output signal whose amplitude corresponds to the integer part of the amplitude information signal which is subjected to correction by the correcting value, and outputting combining the output signal with an output value of the phase-modulator to output the combined signal.

摘要翻译： 本发明提供一种数字振幅调制器和使用该调幅器的极化发射机。 极性发射机包括：极化转换器，用于将输入信号转换为振幅信息信号和相位信息信号，并输出转换的幅度和相位信息信号; 一个Σ-Δ调制器，用于接收幅度信息信号的分数部分，并产生一个幅度信息信号整数部分的校正值; 相位调制器，用于对从极化转换器输出的相位信息信号进行向上调制，并输出包括向上调制相位信息信号的载波; 以及数字功率放大器，用于产生其幅度对应于通过校正值进行校正的振幅信息信号的整数部分的输出信号，并且输出将输出信号与相位调制器的输出值相组合以输出 组合信号。

公开(公告)号：US20080278139A1

公开(公告)日：2008-11-13

申请号：US12105966

申请日：2008-04-18

申请人： Yong Il Kwon ,  Myeung Su Kim ,  Joon Hyung Lim ,  Koon Shik Cho ,  Tah Joon Park

发明人： Yong Il Kwon ,  Myeung Su Kim ,  Joon Hyung Lim ,  Koon Shik Cho ,  Tah Joon Park

IPC分类号： H02M3/156

CPC分类号： G11C5/14 ,  G11C5/148

摘要： There is provided a sleep current adjusting circuit of a system on chip including: a regulator supplying a turn-on voltage and a normal current when a mode selection signal is a normal mode signal, and a turn-off voltage when the mode selection signal is a sleep mode signal; a switching device turned on by the turn-on voltage of the regulator to supply the normal current from the regulator to a main circuit part and a sleep operation circuit part, respectively, and turned off by the turn-off voltage of the regulator to block the normal current from being supplied to the main circuit part and supply the sleep current to the sleep operation circuit part; and a current limit device limiting an operating current flowing in response to the operating voltage and supplying the sleep current to the sleep operation circuit part.

摘要翻译： 提供了一种片上系统的睡眠电流调节电路，包括：当模式选择信号是正常模式信号时，提供接通电压和正常电流的调节器，以及当模式选择信号为 睡眠模式信号; 开关装置由调节器的导通电压导通，以分别将调节器的正常电流提供给主电路部分和睡眠操作电路部分，并通过调节器的截止电压将其截止以阻止 正常电流被提供给主电路部分并将睡眠电流提供给睡眠操作电路部分; 以及电流限制装置，其限制响应于所述工作电压流动的工作电流并将睡眠电流提供给所述睡眠操作电路部分。

公开(公告)号：US08564360B2

公开(公告)日：2013-10-22

申请号：US13440497

申请日：2012-04-05

申请人： Yong Il Kwon ,  Han Jin Cho ,  Tah Joon Park ,  Koon Shik Cho

发明人： Yong Il Kwon ,  Han Jin Cho ,  Tah Joon Park ,  Koon Shik Cho

IPC分类号： G05F1/10

CPC分类号： G06F1/32

摘要： Disclosed herein is a pad controlling apparatus controlling current and voltage applied to a pad, the pad controlling apparatus including: a voltage drop unit dropping the voltage applied to the pad; a switching unit connected in parallel with the voltage drop unit; and a control unit comparing a level of the dropped voltage and first reference voltage with each other and turning on the switching unit on when the level of the dropped voltage is larger than the first reference voltage. According to the present invention, even though interrupt occurs from the outside, a chip may be normally operated.

摘要翻译： 这里公开了一种控制施加到焊盘的电流和电压的焊盘控制装置，焊盘控制装置包括：降压单元，降低施加到焊盘的电压; 开关单元，与所述电压降单元并联连接; 以及控制单元，其将所述下降电压和所述第一参考电压的电平相互比较，并且在所述下降电压的电平大于所述第一参考电压时接通所述开关单元。 根据本发明，即使从外部发生中断，芯片也可以正常工作。

公开(公告)号：US20120268197A1

公开(公告)日：2012-10-25

申请号：US13440497

申请日：2012-04-05

申请人： Yong Il Kwon ,  Han Jin Cho ,  Tah Joon Park ,  Koon Shik Cho

发明人： Yong Il Kwon ,  Han Jin Cho ,  Tah Joon Park ,  Koon Shik Cho

IPC分类号： G05F3/02

CPC分类号： G06F1/32

摘要： Disclosed herein is a pad controlling apparatus controlling current and voltage applied to a pad, the pad controlling apparatus including: a voltage drop unit dropping the voltage applied to the pad; a switching unit connected in parallel with the voltage drop unit; and a control unit comparing a level of the dropped voltage and first reference voltage with each other and turning on the switching unit on when the level of the dropped voltage is larger than the first reference voltage. According to the present invention, even though interrupt occurs from the outside, a chip may be normally operated.

摘要翻译： 这里公开了一种控制施加到焊盘的电流和电压的焊盘控制装置，焊盘控制装置包括：降压单元，降低施加到焊盘的电压; 开关单元，与所述电压降单元并联连接; 以及控制单元，其将所述下降电压和所述第一参考电压的电平相互比较，并且在所述下降电压的电平大于所述第一参考电压时接通所述开关单元。 根据本发明，即使从外部发生中断，芯片也可以正常工作。

公开(公告)号：US07612624B2

公开(公告)日：2009-11-03

申请号：US11928720

申请日：2007-10-30

申请人： Joon Hyung Lim ,  Tah Joon Park ,  Kwang Mook Lee ,  Koon Shik Cho

发明人： Joon Hyung Lim ,  Tah Joon Park ,  Kwang Mook Lee ,  Koon Shik Cho

IPC分类号： H03K3/02

CPC分类号： H03K3/011 ,  H03L7/06

摘要： An RC oscillation circuit and method capable of adjusting an oscillation frequency includes: an RC oscillator including a variable resistor and a variable capacitor, the RC oscillator generating an RC oscillating signal having a frequency determined by a resistance of the variable resistor and a capacitance of the variable capacitor; a counter counting a clock number of a reference oscillating signal corresponding to one period of the RC oscillating signal to generate a first count value, the reference oscillating signal having a preset frequency; and a frequency controller controlling a frequency of the RC oscillating signal by determining the resistance of the variable resistor and the capacitance of the variable capacitor such that a difference between the first count value and a preset second count value is smaller than a preset first critical value.

摘要翻译： 一种能够调节振荡频率的RC振荡电路和方法包括：RC振荡器，包括可变电阻器和可变电容器，RC振荡器产生具有由可变电阻器的电阻确定的频率的RC振荡信号和 可变电容器 计数对应于RC振荡信号的一个周期的参考振荡信号的时钟数，以产生第一计数值，所述参考振荡信号具有预置频率; 以及频率控制器，通过确定可变电阻器的电阻和可变电容器的电容来控制RC振荡信号的频率，使得第一计数值和预设的第二计数值之间的差小于预设的第一临界值 。

公开(公告)号：US20090160362A1

公开(公告)日：2009-06-25

申请号：US12108778

申请日：2008-04-24

申请人： Joon Hyung LIM ,  Tah Joon Park ,  Koon Shik Cho ,  Kwang Mook Lee ,  Bo II Seo

发明人： Joon Hyung LIM ,  Tah Joon Park ,  Koon Shik Cho ,  Kwang Mook Lee ,  Bo II Seo

IPC分类号： H05B37/02

CPC分类号： H05B33/086

摘要： Provided is an apparatus for controlling lighting brightness including a light control unit that generates a control signal for controlling the brightness of a plurality of lightings; a digital signal generating unit that converts a signal corresponding to the control signal at each period so as to generate non-periodic digital signals; and a driving voltage generating unit that generate driving voltages by converting the digital signals into analog signals.

摘要翻译： 提供一种用于控制照明亮度的装置，包括产生用于控制多个照明亮度的控制信号的光控制单元; 数字信号发生单元，其在每个周期转换对应于控制信号的信号，以便产生非周期数字信号; 以及通过将数字信号转换为模拟信号来产生驱动电压的驱动电压产生单元。

公开(公告)号：US20080100391A1

公开(公告)日：2008-05-01

申请号：US11928720

申请日：2007-10-30

申请人： Joon Hyung LIM ,  Tah Joon Park ,  Kwang Mook Lee ,  Koon Shik Cho

发明人： Joon Hyung LIM ,  Tah Joon Park ,  Kwang Mook Lee ,  Koon Shik Cho

IPC分类号： H03K3/02

CPC分类号： H03K3/011 ,  H03L7/06

摘要： There is provided an RC oscillation circuit capable of adjusting an oscillation frequency, and an oscillation method thereof. The RC oscillation circuit including: an RC oscillator including a variable resistor and a variable capacitor, the RC oscillator generating an RC oscillating signal having a frequency determined by a resistance of the variable resistor and a capacitance of the variable capacitor; a counter counting a clock number of a reference oscillating signal corresponding to one period of the RC oscillating signal to generate a first count value, the reference oscillating signal having a preset frequency; and a frequency controller controlling a frequency of the RC oscillating signal by determining the resistance of the variable resistor and the capacitance of the variable capacitor such that a difference between the first count value and a preset second count value is smaller than a preset first critical value.

摘要翻译： 提供了能够调节振荡频率的RC振荡电路及其振荡方法。 RC振荡电路包括：包括可变电阻器和可变电容器的RC振荡器，RC振荡器产生具有由可变电阻器的电阻和可变电容器的电容确定的频率的RC振荡信号; 计数对应于RC振荡信号的一个周期的参考振荡信号的时钟数，以产生第一计数值，所述参考振荡信号具有预置频率; 以及频率控制器，通过确定可变电阻器的电阻和可变电容器的电容来控制RC振荡信号的频率，使得第一计数值和预设的第二计数值之间的差小于预设的第一临界值 。

公开(公告)号：US20090102866A1

公开(公告)日：2009-04-23

申请号：US12111034

申请日：2008-04-28

申请人： Joon Hyung LIM ,  Tah Joon Park ,  Koon Shik Cho ,  Kwang Mook Lee

发明人： Joon Hyung LIM ,  Tah Joon Park ,  Koon Shik Cho ,  Kwang Mook Lee

IPC分类号： G09G5/10

CPC分类号： H05B33/0818

摘要： There is provided a lighting control apparatus using digital sigma-delta modulation, the apparatus including: a control part supplying a brightness control signal; a sigma-delta modulation part generating a carry signal according to the brightness control signal of the control part and a predetermined threshold signal by using a sigma-delta modulation method; and a lighting driving part generating a driving current according to the carry signal of the sigma-delta modulation part and supplying the generated driving current to a lighting part.

摘要翻译： 提供了一种使用数字Σ-Δ调制的照明控制装置，该装置包括：提供亮度控制信号的控制部分; Σ-Δ调制部分，通过使用Σ-Δ调制方法，根据控制部分的亮度控制信号和预定的阈值信号产生进位信号; 以及照明驱动部，其根据所述Σ-Δ调制部的进位信号产生驱动电流，并将产生的驱动电流供给到照明部。

公开(公告)号：US07919932B2

公开(公告)日：2011-04-05

申请号：US12108778

申请日：2008-04-24

申请人： Joon Hyung Lim ,  Tah Joon Park ,  Koon Shik Cho ,  Kwang Mook Lee ,  Bo Il Seo

发明人： Joon Hyung Lim ,  Tah Joon Park ,  Koon Shik Cho ,  Kwang Mook Lee ,  Bo Il Seo

IPC分类号： H05B37/02

CPC分类号： H05B33/086

摘要： Provided is an apparatus for controlling lighting brightness including a light control unit that generates a control signal for controlling the brightness of a plurality of lightings; a digital signal generating unit that converts a signal corresponding to the control signal at each period so as to generate non-periodic digital signals; and a driving voltage generating unit that generate driving voltages by converting the digital signals into analog signals.

摘要翻译： 提供一种用于控制照明亮度的装置，包括产生用于控制多个照明亮度的控制信号的光控制单元; 数字信号发生单元，其在每个周期转换对应于控制信号的信号，以便产生非周期数字信号; 以及通过将数字信号转换为模拟信号来产生驱动电压的驱动电压产生单元。

公开(公告)号：US08095812B2

公开(公告)日：2012-01-10

申请号：US12347865

申请日：2008-12-31

申请人： Koon Shik Cho ,  Tah Joon Park ,  Yong Il Kwon ,  Sang Hyun Min ,  Bo Il Seo

发明人： Koon Shik Cho ,  Tah Joon Park ,  Yong Il Kwon ,  Sang Hyun Min ,  Bo Il Seo

IPC分类号： G06F1/26 ,  G06F1/32

CPC分类号： G06F1/3203 ,  G06F1/3287 ,  G06F3/147 ,  H04W8/26 ,  H04W52/0235 ,  H04W84/18 ,  Y02D10/126 ,  Y02D10/171 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/162 ,  Y02D70/166

摘要： Provided is a low-power ZigBee device provided with a sleeping mode and an active mode including a power supplying unit for supplying a power; a Medium Access Control (MAC) processing unit for receiving a wake-up packet and for controlling a modem unit and an Radio Frequency (RF) unit; and a Central Processing Unit (CPU) for receiving and processing a data packet, wherein the MAC processing unit makes the power supplying unit apply a power to the CPU based on a result of checking an identification (ID) of the wake-up packet.

摘要翻译： 提供一种具有睡眠模式和主动模式的低功率ZigBee设备，包括用于提供电力的供电单元; 媒体接入控制（MAC）处理单元，用于接收唤醒分组并用于控制调制解调器单元和射频（RF）单元; 以及用于接收和处理数据分组的中央处理单元（CPU），其中所述MAC处理单元使得所述供电单元基于所述唤醒分组的标识（ID）的检查结果向所述CPU应用电力。