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    • 11. 发明申请
    • Display image enhancement apparatus and method using adaptive interpolation with correlation
    • 显示图像增强装置和使用自相关插值的相关方法
    • US20050163401A1
    • 2005-07-28
    • US10765130
    • 2004-01-28
    • Seong ParkJeremy MahHiroshi Kanekura
    • Seong ParkJeremy MahHiroshi Kanekura
    • G06K9/40G06T3/40H04N5/44H04N7/01
    • G06T3/4007H04N7/012
    • A display image enhancement apparatus and method are disclosed for use in generating additional pixel data from input image data, where a window of input pixel data is used to generate data for an additional pixel to be placed substantially in the center of the window. The display image enhancement apparatus includes memory elements that is capable of receiving a chain of input pixel data and storing at least the window of input pixel data, where the window of input pixels includes a plurality of pixel pairs each of which respectively represents an angle of correlation. The display image enhancement apparatus also includes instant angle detection circuitry capable of receiving the input pixel data stored in the memory elements and determining an instant angle having the highest correlation based on differential values of at least some of the pixel pairs, where a differential value is the difference between the values of pixels in a pixel pair. The display image enhancement apparatus further includes substantial angle detection circuitry capable of determining a substantial angle having the highest correlation based on filtered differential values of at least some of the pixel pairs. Angle confirmation circuitry is provided to determine an interpolation angle based on the instant angle and the substantial angle. The display image enhancement apparatus employs an interpolator that is capable of determining the value of the additional pixel based on the values of pixels in the pixel pair corresponding to the interpolation angle.
    • 公开了用于从输入图像数据生成附加像素数据的显示图像增强装置和方法,其中使用输入像素数据的窗口来生成用于基本上位于窗口中心的附加像素的数据。 显示图像增强装置包括能够接收输入像素数据链并且至少存储输入像素数据的窗口的存储元件,其中输入像素的窗口包括多个像素对,每个像素对分别表示 相关性。 显示图像增强装置还包括能够接收存储在存储元件中的输入像素数据的瞬时角度检测电路,并且基于至少一些像素对的差分值来确定具有最高相关性的瞬时角度,其中微分值为 像素对中的像素值之间的差异。 显示图像增强装置还包括基本角度检测电路,其能够基于至少一些像素对的经滤波的差分值来确定具有最高相关性的实质角度。 角度确认电路被提供以基于即时角度和实质角度确定插值角度。 显示图像增强装置使用能够基于与插值角对应的像素对中的像素的值来确定附加像素的值的内插器。
    • 12. 发明申请
    • Apparatus and method for driving plasma display panel
    • 用于驱动等离子体显示面板的装置和方法
    • US20050140582A1
    • 2005-06-30
    • US11008674
    • 2004-12-10
    • Jun LeeJeong ChoiSeong Park
    • Jun LeeJeong ChoiSeong Park
    • H04N5/66G09G3/20G09G3/28G09G3/288G09G3/296G09G3/298
    • G09G3/2037G09G3/2033G09G3/2051G09G3/288G09G3/298G09G2320/0266G09G2320/0626G09G2320/0666
    • Disclosed herein is an apparatus for driving a plasma display panel in which a gray scale inversion phenomenon can be prevented. According to the present invention, the apparatus for driving the PDP includes an error diffusion unit for diffusing error of data received from an inverse gamma correction unit, a gray scale inversion check unit connected to the inverse gamma correction unit, for checking whether a gray scale value of the data received from the inverse gamma correction unit is a gray scale value where a gray scale inversion phenomenon is generated, and generating a 1-bit control signal according to the check result, an adder disposed between the error diffusion unit and the gray scale inversion check unit, for adding the 1-bit control signal to lower bits of the data received from the error diffusion unit, and a dithering unit for performing dithering by using the lower bits received from the adder. Therefore, when dithering is performed on data where gray scale inversion is generated, a gray scale value can be improved by adding 1 to lowest bits of the data. It is thus possible to prevent the gray scale inversion phenomenon.
    • 本文公开了一种用于驱动等离子体显示面板的装置,其中可以防止灰度反转现象。 根据本发明,用于驱动PDP的装置包括用于扩散从反伽马校正单元接收的数据的误差的误差扩散单元,连接到反伽马校正单元的灰度反转检查单元,用于检查灰度级 从反伽马校正单元接收的数据的值是产生灰度反转现象的灰度值,并且根据检查结果产生1位控制信号,设置在误差扩散单元和灰度之间的加法器 用于将1位控制信号添加到从误差扩散单元接收的数据的较低位;以及抖动单元,用于通过使用从加法器接收的低位执行抖动。 因此,当对生成灰度反转的数据进行抖动时,可以通过将1加到数据的最低位来提高灰度值。 因此可以防止灰度反转现象。
    • 13. 发明申请
    • APPARATUS FOR DRIVING PLASMA DISPLAY PANEL
    • 用于驱动等离子显示面板的装置
    • US20080068363A1
    • 2008-03-20
    • US11860666
    • 2007-09-25
    • Jeong ChoiSeong Park
    • Jeong ChoiSeong Park
    • G09G5/00
    • G09G3/296G09G3/293G09G2310/0275G09G2310/0297
    • Disclosed therein is an apparatus for driving a plasma display panel, with a simple structure. The apparatus includes a signal processor for converting an external image signal into image data suitable for driving the plasma display panel; a data arranger for reconstructing the image data to a plurality of sub-fields in order to process the gray scale of the image data converted by the signal processor and serially transmitting control data corresponding to one or more scan lines; an X-electrode driver for receiving the control data corresponding to one or more scan lines from the data arranger and applying an address pulse corresponding to the control data to X electrodes; a Y-electrode driver for applying a scan pulse for addressing and a sustain pulse for maintaining a discharge to Y electrodes; a Z-electrode driver for applying the sustain pulse for maintaining a discharge to Z electrodes; and a main controller for performing a control operation to sequentially read out the image data reconstructed by the data arranger according to the external image signal and to transmit the control data corresponding to one or more scan lines to the X-electrode driver.
    • 其中公开了一种用于驱动等离子体显示面板的装置,其结构简单。 该装置包括用于将外部图像信号转换为适于驱动等离子体显示面板的图像数据的信号处理器; 数据排列器,用于将图像数据重建为多个子场,以处理由信号处理器转换的图像数据的灰度级,并且串行发送与一条或多条扫描线对应的控制数据; X电极驱动器,用于从数据编排器接收对应于一条或多条扫描线的控制数据,并将对应于控制数据的寻址脉冲施加到X电极; 用于施加用于寻址的扫描脉冲的Y电极驱动器和用于维持对Y电极的放电的维持脉冲; 用于施加用于维持向Z电极放电的维持脉冲的Z电极驱动器; 以及主控制器,用于执行控制操作以顺序地读出根据外部图像信号由数据编排器重建的图像数据,并将与一个或多个扫描线对应的控制数据发送到X电极驱动器。
    • 15. 发明申请
    • Low-cost motion estimation apparatus and method thereof
    • 低成本运动估计装置及其方法
    • US20070133689A1
    • 2007-06-14
    • US11545296
    • 2006-10-10
    • Seong ParkHan ChoHee Jung
    • Seong ParkHan ChoHee Jung
    • H04N11/02H04N11/04
    • H04N19/57H04N19/423H04N19/43
    • Provided are motion estimation algorithm development and design of a structure for implementing hardware of a motion estimator. A hardware structure that simultaneously satisfies MPEG-4 and H.264 standards and requires less hardware is provided. The provided structure is applicable to both MPEG-4 and H.264 using one hardware device according to the mode (MPEG-4 or H.264). The motion estimation apparatus includes: a sampling portion for sampling image data in units of blocks and generating sampling blocks; a block division/address generator for dividing the sampling blocks into sampling sub-blocks and generating addresses for motion estimation calculation; and a motion calculator for calculating motion using a motion estimation function for each sub-block.
    • 提供了用于实现运动估计器的硬件的结构的运动估计算法开发和设计。 提供同时满足MPEG-4和H.264标准并且需要较少硬件的硬件结构。 所提供的结构适用于使用根据模式(MPEG-4或H.264)的一个硬件设备的MPEG-4和H.264两者。 运动估计装置包括:采样部分,用于以块为单位对图像数据进行采样并产生采样块; 块分割/地址发生器,用于将采样块划分成采样子块并产生用于运动估计计算的地址; 以及运动计算器,用于使用每个子块的运动估计函数来计算运动。
    • 16. 发明申请
    • High-efficiency mixed-mode power amplifier
    • 高效率混合模式功率放大器
    • US20070085602A1
    • 2007-04-19
    • US11482576
    • 2006-07-07
    • Min ParkYun ChoiKyung ParkSeok HyunSeong Park
    • Min ParkYun ChoiKyung ParkSeok HyunSeong Park
    • H03F1/14H03F3/68
    • H03F1/0222H03F1/0277
    • 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.
    • 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。
    • 17. 发明申请
    • Program method of flash memory device
    • 闪存设备的程序方法
    • US20060268620A1
    • 2006-11-30
    • US11304433
    • 2005-12-14
    • Seong ParkSeung Chang
    • Seong ParkSeung Chang
    • G11C11/34
    • G11C16/12G11C16/3454G11C16/3459
    • The present invention relates to a method of programming a flash memory device. According to the present invention, after a program operation is completed, a program verify operation is repeatedly performed, wherein a threshold voltage of a programmed memory cell is also detected. If there are memory cells whose threshold voltage becomes low as a result of the detection, the program operation is again performed on a corresponding memory cell. It is thus possible to obtain a uniform distribution characteristic of a threshold voltage. Furthermore, a program verify operation is performed with a compare voltage being set higher than a target voltage initially so that a threshold voltage of a memory cell is sufficiently higher than the target voltage. The program verify operation is again performed while lowering the compare voltage according to the repetition number. It is thus possible to prevent normally programmed cells from being again excessively programmed.
    • 本发明涉及一种编程闪速存储器件的方法。 根据本发明,在程序操作完成之后,重复执行程序验证操作,其中也检测到编程的存储器单元的阈值电压。 如果存在作为检测结果的阈值电压变低的存储单元,则对相应的存储单元再次执行编程操作。 因此可以获得阈值电压的均匀分布特性。 此外,在比较电压被初始设定为高于目标电压的情况下执行编程验证操作,使得存储单元的阈值电压足够高于目标电压。 再次执行程序验证操作,同时根据重复次数降低比较电压。 因此可以防止正常编程的单元格再次过度编程。
    • 18. 发明申请
    • Cycle time synchronization apparatus and method for wireless 1394 system
    • 无线1394系统的周期时间同步装置和方法
    • US20060126671A1
    • 2006-06-15
    • US11260591
    • 2005-10-27
    • Seong ParkSangsung ChoiKwang Park
    • Seong ParkSangsung ChoiKwang Park
    • H04J3/16H04J3/06
    • H04J3/0676H04J3/0638
    • A cycle time synchronization apparatus for a wireless 1394 system having one wireless 1394 intermediary and at least one wireless 1394 slave, the apparatus including: a cycle time generator for generating a cycle time by a predetermined clock signal; a cycle time register synchronized to a beacon inputted, and storing the cycle time from the cycle time generator; a cycle time temporary storage unit for storing the cycle time of the cycle time register and cycle times generated from other devices; a cycle time management unit for managing calculation and control operations of the cycle times of the cycle time register and the cycle time temporary storage unit; and a cycle time controller for controlling the cycle time by the cycle time management unit.
    • 一种具有一个无线1394中间和至少一个无线1394从机的无线1394系统的周期时间同步装置,该装置包括:周期时间发生器,用于通过预定时钟信号产生周期时间; 与输入的信标同步的周期时间寄存器,存储来自周期时间发生器的周期时间; 周期时间临时存储单元,用于存储从其他设备产生的周期时间寄存器和周期时间的周期时间; 周期时间管理单元,用于管理周期时间寄存器和周期时间临时存储单元的周期时间的计算和控制操作; 以及循环时间控制器,用于通过循环时间管理单元控制循环时间。
    • 19. 发明申请
    • Low power digital circuit for RFID tag
    • 用于RFID标签的低功率数字电路
    • US20060109087A1
    • 2006-05-25
    • US11123002
    • 2005-05-06
    • Sun KimSang LeeKyung ParkSeong Park
    • Sun KimSang LeeKyung ParkSeong Park
    • H04Q5/22
    • G06K19/0723
    • Provided is a digital circuit for a passive RFID tag. The digital circuit for the passive RFID tag includes a construction that is divided into blocks, which receive a command, analyze and execute the command, and generate a reply signal respectively, according to the flow of data. Thus, the digital circuit transmits a clock signal to each of the blocks at a rate optimized for the block such that the blocks sequentially operate without any additional controller. The digital circuit for the RFID tag is constructed such that the respective blocks operate at different points in time. This precludes any useless operation of hardware, thus reducing the entire power dissipation.
    • 提供了一种用于无源RFID标签的数字电路。 无源RFID标签的数字电路包括根据数据流分为接收命令,分析和执行命令并分别生成应答信号的块的结构。 因此,数字电路以对于块优化的速率向每个块发送时钟信号,使得块在没有任何附加控制器的情况下顺序操作。 用于RFID标签的数字电路被构造成使得各个块在不同的时间点运行。 这排除了硬件的任何无用的操作,从而减少了整个功耗。