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    • 3. 发明申请
    • Rfid System
    • Rfid系统
    • US20080290997A1
    • 2008-11-27
    • US12158291
    • 2006-12-21
    • Nam Yun KimYong Hee LeeYoung Bin ChoJae Yeon ChoiSergeyev SergeyBelonozhkin Alexander
    • Nam Yun KimYong Hee LeeYoung Bin ChoJae Yeon ChoiSergeyev SergeyBelonozhkin Alexander
    • H04Q5/22
    • G06K7/0008G06K7/10039G06K7/10069
    • A radio frequency identification tag includes an antenna terminal, a memory, a D/A converter, a clock extractor, a frequency synthesizer, a radio frequency UP converter, and a power unit. An energy pumping signal is received and tag identification information is transmitted through the antenna terminal. The tag identification information is stored in the memory. The D/A converter converts the tag identification information into an analog signal in response to an information request signal included in the energy pumping signal. The clock extractor extracts a clock signal from the energy pumping signal. The frequency synthesizer is operated according to the clock signal of the clock extractor, and generates a frequency. The radio frequency up converter up-converts a signal output from the D/A converter, and allows the up-converted signal to be transmitted through the antenna terminal. The power unit supplies internal power.
    • 射频识别标签包括天线端子,存储器,D / A转换器,时钟提取器,频率合成器,射频UP转换器和功率单元。 接收能量泵送信号,通过天线端子发送标签识别信息。 标签识别信息存储在存储器中。 D / A转换器响应于包括在能量抽取信号中的信息请求信号,将标签识别信息转换成模拟信号。 时钟提取器从能量抽取信号中提取时钟信号。 频率合成器根据时钟提取器的时钟信号进行工作,并产生频率。 射频上变频器对从D / A转换器输出的信号进行上变频,并允许上变频信号通过天线端子传输。 电源单元提供内部电源。
    • 6. 发明申请
    • HAPTIC EXPERIENCE SERVICE METHOD AND SYSTEM
    • 快乐体验服务方法与系统
    • US20080186152A1
    • 2008-08-07
    • US11966623
    • 2007-12-28
    • Ki Uk KyungYong Hee LeeJun Seok ParkDong Won Han
    • Ki Uk KyungYong Hee LeeJun Seok ParkDong Won Han
    • H04B3/36
    • G06F3/016
    • A haptic experience service method and system are provided. The haptic experience service system, includes: a haptic reproduction apparatus providing haptic information of a force and texture of a virtual object or environment to a user; a server defining a virtual environmental factor corresponding to a user-desired haptic experience service by using a haptic contents database constructed with an environmental factor definition package, generating an experience environment corresponding to the environmental factor, and generating a haptic data output value corresponding to an input data of the haptic reproduction apparatus in the experience environment by using an interaction value definition package and an apparatus definition variable of the haptic reproduction apparatus; and a client recognizing an access of the haptic reproduction apparatus, providing the apparatus definition variable of the haptic reproduction apparatus to the server by using an apparatus definition data package, displaying a visual data associated with the experience environment generated by the server, transmitting to the server an input data generated by a user's manipulation and received from the haptic reproduction apparatus, receiving the haptic data output value interacted with the input data, and providing the haptic data output value to the haptic reproduction apparatus.Accordingly, it is possible to efficiently provide the haptic information to the user.
    • 提供触觉体验服务方法和系统。 触觉体验服务系统包括:向用户提供虚拟对象或环境的力和纹理的触觉信息的触觉再现设备; 服务器,其通过使用由环境因素定义包构成的触觉内容数据库来定义对应于用户期望的触觉体验服务的虚拟环境因素,生成与环境因素相对应的体验环境,以及生成对应于 通过使用所述触觉再现装置的相互作用值定义包和装置定义变量,在体验环境中输入触​​觉再现装置的数据; 以及识别触觉再现设备的访问的客户端,通过使用设备定义数据包将触觉再现设备的设备定义变量提供给服务器,显示与服务器生成的体验环境相关联的视觉数据,传送到 服务器由用户的操纵产生并从触觉再现设备接收的输入数据,接收与输入数据交互的触觉数据输出值,以及将触觉数据输出值提供给触觉再现设备。 因此,可以有效地向用户提供触觉信息。
    • 7. 发明授权
    • Surface emitting laser device with monolithically integrated monitor photodetector
    • 具有单片集成显示器光电探测器的表面发射激光器件
    • US06535538B1
    • 2003-03-18
    • US09705901
    • 2000-11-06
    • Yong Hee LeeIl Young Han
    • Yong Hee LeeIl Young Han
    • H01S500
    • H01S5/0264H01S5/18311H01S5/18333H01S5/18338H01S5/1835
    • Disclosed is a surface emitting laser device with a monolithically integrated monitor photodetector, which is combined with an automatic power control circuit, thereby being capable of more accurately controlling the surface emitting laser output power. A method is also disclosed, which is adapted to fabricate the surface emitting laser device. In accordance with, the present invention, the surface emitting laser device includes insulating layers each sandwiched between an intrinsic semiconductor layer and a doped semiconductor layer in a monitor photodetector adapted to partially absorb light emitted from a surface emitting laser, thereby outputting a detect signal for the light. The insulating layers serve to remove photocurrent resulting from spontaneous emission light emitted from the surface emitting laser. By this configuration, it is possible to accurately control the power of light emitted from the surface emitting laser through a laser window.
    • 公开了一种具有单片集成监视器光电检测器的表面发射激光器件,其与自动功率控制电路组合,从而能够更精确地控制表面发射激光输出功率。 还公开了一种适于制造表面发射激光器件的方法。 根据本发明,表面发射激光器件包括在监测光电检测器中夹在本征半导体层和掺杂半导体层之间的绝缘层,其适于部分地吸收从表面发射激光器发射的光,从而输出检测信号, 光。 绝缘层用于去除从表面发射激光器发射的自发发射光产生的光电流。 通过这种结构,可以精确地控制通过激光窗从表面发射激光器发射的光的功率。
    • 9. 发明申请
    • PHASE-LOCKED LOOP LOCK DETECT
    • 相位锁定锁定检测
    • US20120319747A1
    • 2012-12-20
    • US13164098
    • 2011-06-20
    • Ardeshir Namdar-MehdiabadiYong Hee LeeThomas Obkircher
    • Ardeshir Namdar-MehdiabadiYong Hee LeeThomas Obkircher
    • H03L7/095
    • H03L7/095H03L7/18
    • Apparatus and methods for detecting a lock in a phase-locked loop (PLL) are disclosed. In one aspect, a lock detect component includes a reference multiplier and a lock detect. The reference multiplier can receive a reference signal, a divider signal, and a voltage-controlled oscillator (VCO) output generated by a VCO in a PLL from which the divider signal is generated. The reference multiplier can also generate a multiplied reference signal using the reference signal and the VCO output. The multiplied reference signal can have a frequency that is an integer multiple of a frequency of the reference signal. The lock detect can detect a phase lock of the reference signal and the divider signal based at least in part on comparing a signal generated from a delayed reference signal and a signal generated from a delayed divider signal for a predetermined period of time.
    • 公开了一种用于检测锁相环(PLL)锁定的装置和方法。 一方面,锁定检测部件包括参考乘法器和锁定检测。 参考乘法器可以接收由PLL产生的VCO产生的分频器信号,分频器信号和由VCO产生的压控振荡器(VCO)输出。 参考乘法器还可以使用参考信号和VCO输出产生相乘的参考信号。 倍增的参考信号可以具有作为参考信号的频率的整数倍的频率。 锁定检测可以至少部分地基于将从延迟的参考信号产生的信号与从延迟的分频器信号产生的信号相比较预定的时间段来检测参考信号和分频器信号的锁相。