会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • FOCUS CONTROL DEVICE FOR BEAM PROJECTOR
    • 光束投影机聚焦控制装置
    • US20100265475A1
    • 2010-10-21
    • US12700818
    • 2010-02-05
    • Myeong-Ho JEONMoon-Chul SHINKang-Hoon CHOIHyon-Myong SONGJin-Hee CHOKyung-Han KIMHyun-Jun JANG
    • Myeong-Ho JEONMoon-Chul SHINKang-Hoon CHOIHyon-Myong SONGJin-Hee CHOKyung-Han KIMHyun-Jun JANG
    • G03B3/00G02B7/04
    • G03B3/00
    • A focus control device for a beam projector allows the focus of a lens assembly to be finely and easily controlled. The focus control device includes: a control member rotatably mounted on the beam projector for controlling the focus of a lens assembly; a rotary eccentric member provided in the control member, the rotary eccentric member having a control axis eccentric to the rotary axis of the control member, and being rotated while depicting an elliptical trace in response to the rotation of the control member; a focus guide member provided in the rotary eccentric member, the focus guide member allowing the lens assembly to be moved rectilinearly in the direction of an optical axis in response to the rotation of the control member; and an actuating member provided in the lens assembly and coupled to the focus guide member, the actuating member moving the lens assembly in the direction of the optical axis in response to the movement of the focus guide member. According to the present invention, with the rotation of the rotary dial, the moving distance of the lens assembly can be easily controlled, and the lens assembly can be moved finely to project a sharp picture image.
    • 用于射束投影仪的聚焦控制装置允许透镜组件的焦点被精细且容易地控制。 聚焦控制装置包括:可旋转地安装在光束投影仪上用于控制透镜组件的焦点的控制部件; 设置在所述控制构件中的旋转偏心构件,所述旋转偏心构件具有与所述控制构件的旋转轴线偏心的控制轴线,并且响应于所述控制构件的旋转而描绘椭圆迹线而旋转; 设置在所述旋转偏心构件中的聚焦引导构件,所述聚焦引导构件响应于所述控制构件的旋转而允许所述透镜组件沿光轴的方向直线移动; 以及致动构件,设置在所述透镜组件中并且联接到所述聚焦引导构件,所述致动构件响应于所述聚焦引导构件的移动而沿所述光轴的方向移动所述透镜组件。 根据本发明,通过旋转拨盘的旋转,可以容易地控制透镜组件的移动距离,并且可以精细地移动透镜组件以投射清晰的图像。
    • 3. 发明授权
    • Semiconductor memory device having row path control circuit and operating method thereof
    • 具有行路径控制电路的半导体存储器件及其操作方法
    • US07068558B2
    • 2006-06-27
    • US10877037
    • 2004-06-24
    • Jin-Hee Cho
    • Jin-Hee Cho
    • G11C7/00
    • G11C11/408G11C8/08G11C11/406G11C11/4076G11C11/4087G11C2211/4061G11C2211/4065
    • A semiconductor memory device having a row path control circuit for reducing a peak current. The semiconductor memory device including: a bank controller for activating the bank signal as a first and a second bank driving signals; an inner address counter for generating an internal address in response to the refresh signal; a row address latch for selecting one of the internal address and the inputted address; a first decoder for decoding the row address in response to the first bank driving signal; a second decoder for decoding the row address in response to the second bank driving signal; a first row controller for activating a first amplifier enable signal in response to the first bank driving signal; a second row controller for activating a second amplifier enable signal in response to the second bank driving signal; and a amplifier for amplifying memory cell data of the activated word line.
    • 一种具有用于降低峰值电流的行路径控制电路的半导体存储器件。 所述半导体存储器件包括:用于激活所述存储体信号作为第一和第二存储体驱动信号的存储体控制器; 内部地址计数器,用于响应于刷新信号产生内部地址; 用于选择内部地址和输入地址之一的行地址锁存器; 第一解码器,用于响应于第一存储体驱动信号对行地址进行解码; 第二解码器,用于响应于第二存储体驱动信号对行地址进行解码; 第一行控制器,用于响应于第一存储体驱动信号而激活第一放大器使能信号; 第二行控制器,用于响应于所述第二存储体驱动信号而激活第二放大器使能信号; 以及放大器,用于放大所激活的字线的存储单元数据。
    • 4. 发明申请
    • Automatic camera lens module retracting/extending apparatus for mobile communication terminals
    • 用于移动通信终端的自动摄像机镜头模块缩回/扩展装置
    • US20050220451A1
    • 2005-10-06
    • US11040876
    • 2005-01-12
    • Jin-Hee ChoSang-Gook Kim
    • Jin-Hee ChoSang-Gook Kim
    • H04B1/38H04N5/225G03B17/04
    • H04N5/2251H04N5/2254
    • Disclosed herein is an automatic camera lens module retracting/extending apparatus for mobile communication terminals that is capable of converting rotating movement of a driving motor into rectilinear movement to automatically retract/extend a camera lens module into/from a mobile communication terminal including a lens housing extending a predetermined length in the longitudinal direction thereof, and a lens cam assembly to accommodate the lens housing therein, the lens cam assembly converting rotating movement of a driving motor into rectilinear movement to automatically retract/extend the lens housing into/from the lens cam assembly in the longitudinal direction of the lens housing. The lens housing is automatically rotated about a rotating axis of the lens housing by means of the lens cam assembly when the lens housing extends from the lens cam assembly.
    • 本文公开了一种用于移动通信终端的自动相机镜头模块缩回/延伸装置,其能够将驱动电动机的旋转运动转换为直线运动,以将相机镜头模块自动地缩回/从包括镜头壳体的移动通信终端 在其长度方向上延伸预定长度,以及透镜凸轮组件,以容纳透镜壳体,透镜凸轮组件将驱动电动机的旋转运动转换为直线运动,以将透镜壳体自动缩回/从透镜凸轮延伸 在镜头壳体的纵向方向上组装。 当透镜壳体从透镜凸轮组件延伸时,透镜壳体通过透镜凸轮组件围绕透镜壳体的旋转轴线自动旋转。
    • 5. 发明授权
    • Voltage regulator circuit for semiconductor memory device
    • 半导体存储器件的稳压电路
    • US5973484A
    • 1999-10-26
    • US073862
    • 1998-05-07
    • Jin-Hee Cho
    • Jin-Hee Cho
    • G11C11/413G05F1/46G05F1/56G11C5/14G11C11/407G05F1/40G05F3/16
    • G11C5/147G05F1/465
    • A voltage regulator circuit for a semiconductor memory device includes a first internal source voltage generator for receiving a reference voltage and a column address strobe signal and for supplying an internal source voltage based on an external source voltage, and a second internal source voltage generator for receiving the reference voltage and a row address strobe signal and for supplementing the supply of the internal source voltage based on the external source voltage. The circuit separately controls the operation of the voltage regulator circuit in accordance with an operational condition of a semiconductor memory device to generate an internal power source having stable voltage, while decreasing stand-by current.
    • 一种用于半导体存储器件的稳压器电路包括:第一内部源极电压发生器,用于接收参考电压和列地址选通信号,并用于提供基于外部源极电压的内部源极电压;以及第二内部源电压发生器,用于接收 参考电压和行地址选通信号,并用于补充基于外部源电压的内部源电压的供应。 该电路根据半导体存储器件的操作条件分别控制电压调节器电路的操作,以在降低待机电流的同时产生具有稳定电压的内部电源。
    • 7. 发明授权
    • Semiconductor device including test circuit and burn-in test method
    • 半导体器件包括测试电路和老化测试方法
    • US08804444B2
    • 2014-08-12
    • US13453467
    • 2012-04-23
    • Jin Hee Cho
    • Jin Hee Cho
    • G11C7/00
    • G11C29/06G11C29/20G11C29/46G11C2029/1202
    • A semiconductor device includes a test circuit configured to generate a buffer control signal in response to input data, decode test commands in response to the buffer control signal, and generate test mode signals and a counting enable signal for counting row addresses and column addresses; and a data input/output circuit configured to buffer external commands in response to the buffer control signal and generate the test commands, perform a burn-in test in response to the test mode signals, and perform a read operation for memory cells corresponding to the row addresses and the column addresses.
    • 半导体器件包括:测试电路,被配置为响应于输入数据产生缓冲器控制信号,响应于缓冲器控制信号解码测试命令,并产生测试模式信号和用于对行地址和列地址进行计数的计数使能信号; 以及数据输入/输出电路,被配置为响应于缓冲器控制信号缓冲外部命令并产生测试命令,响应于测试模式信号执行老化测试,并对与该测试模式对应的存储器单元执行读取操作 行地址和列地址。
    • 8. 发明申请
    • ENGINE THAT ACTIVELY VARIES COMPRESSION EXPANSION RATIO
    • 发动机的动态变化压缩膨胀率
    • US20130152888A1
    • 2013-06-20
    • US13488975
    • 2012-06-05
    • Jin Hee Cho
    • Jin Hee Cho
    • F01L1/34
    • F02D13/0269F01L1/047F01L1/34F01L1/34413F01L2001/0473F02D13/0203Y02T10/142
    • An engine that actively varies a compress expansion ratio may include an intake camshaft to which an intake cam may be formed to lift an intake valve, an exhaust camshaft to which an exhaust cam may be formed to lift an exhaust valve, an intake valve variable timing unit disposed at one end portion of the intake camshaft to advance or retard a rotation of the intake camshaft, an exhaust valve variable timing unit disposed at one end portion of the exhaust camshaft to advance or retard a rotation of the exhaust camshaft, an intake valve variable duration unit disposed at the other end portion of the intake camshaft to vary a lift duration of the intake camshaft, and an exhaust valve variable duration unit disposed at the other end portion of the exhaust camshaft to vary a lift duration of the exhaust camshaft.
    • 主动地改变压缩膨胀比的发动机可以包括可以形成进气凸轮以提升进气门的进气凸轮轴,可以形成排气凸轮以提升排气门的排气凸轮轴,进气阀可变定时 设置在所述进气凸轮轴的一端部以推进或延迟所述进气凸轮轴的旋转的排气阀可变定时单元,布置在所述排气凸轮轴的一个端部以推进或延迟所述排气凸轮轴的旋转的排气阀可变定时单元, 可变持续时间单元设置在进气凸轮轴的另一端部,以改变进气凸轮轴的提升持续时间,以及设置在排气凸轮轴的另一端部处以改变排气凸轮轴的提升持续时间的排气阀可变持续单元。