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    • 1. 发明专利
    • Guidepost for a road
    • ZA200706729B
    • 2010-03-31
    • ZA200706729
    • 2007-08-10
    • JOONG SUK PARK
    • JOONG SUK PARK
    • E01F9/00E01F20100101E01F9/011G09F7/18
    • A guidepost of a road is disclosed, in which there are provided a groove pipe frame having an insertion groove along an entire length of a circular pipe and a guidepost having an insertion frame inserted into the insertion groove and provided at a backside of a guidepost having various road and traffic information, and the insertion groove of the groove pipe frame and the insertion frame of the guidepost are assembled based on an insertion method, and a rim reinforcing angle is provided for reinforcing the guidepost made of an aluminum plate at an outer side of a backside of the guidepost, and a T-shaped space portion is formed at the insertion frame, with an upper side of the same being opened, and the insertion frame and the guidepost are assembled based on a sliding and insertion method for thereby achieving a simple and easily assembling work in a state that it is loosely installed at the insertion groove of the groove pipe frame using a fixing bolt.
    • 4. 发明授权
    • Receiver without phase locked loop frequency synthesizer and receiving method using the same
    • 接收机无锁相环频率合成器及接收方式采用相同方式
    • US07907922B2
    • 2011-03-15
    • US11583907
    • 2006-10-20
    • Jeong-Ho LeeJoong-suk Park
    • Jeong-Ho LeeJoong-suk Park
    • H04B7/08H04B1/18H04B1/26
    • H04N5/4446H04B1/001H04N5/455H04N5/50H04N21/4383
    • A receiver implemented without using a phase locked loop frequency synthesizer and a receiving method of a receiver implemented without using a phase locked loop frequency synthesizer are provided. The receiver includes a radio frequency (RF) receiving unit; a band-selecting unit; an RF amplifier; a local oscillation (LO) signal generator; a mixer; an IF amplifier; an analog to digital (A/D) converter; and a channel-selecting unit. The method includes passing a frequency band of a radio frequency (RF) signal received by an RF receiving unit; amplifying the passed RF signal; generating a local oscillation (LO) signal having a fixed frequency; mixing the LO signal with the amplified RF signal to lower the frequency of the amplified RF signal; outputting an intermediate frequency (IF) signal; amplifying the IF signal; converting the amplified IF signal into a digital signal; and selectively passing frequencies of the digital signal corresponding to a specific channel.
    • 提供了不使用锁相环频率合成器实现的接收机和不使用锁相环频率合成器实现的接收机的接收方法。 接收机包括射频(RF)接收单元; 频带选择单元; 射频放大器; 本地振荡(LO)信号发生器; 搅拌机 一个IF放大器; 模数(A / D)转换器; 和频道选择单元。 该方法包括:通过RF接收单元接收的射频(RF)信号的频带; 放大经过的射频信号; 产生具有固定频率的本地振荡(LO)信号; 将LO信号与放大的RF信号混合以降低放大的RF信号的频率; 输出中频(IF)信号; 放大IF信号; 将放大的IF信号转换成数字信号; 并选择性地通过对应于特定频道的数字信号的频率。
    • 5. 发明申请
    • Receiver without phase locked loop frequency synthesizer and receiving method using the same
    • 接收机无锁相环频率合成器及接收方式采用相同方式
    • US20070091212A1
    • 2007-04-26
    • US11583907
    • 2006-10-20
    • Jeong-Ho LeeJoong-suk Park
    • Jeong-Ho LeeJoong-suk Park
    • H04N5/52
    • H04N5/4446H04B1/001H04N5/455H04N5/50H04N21/4383
    • A receiver implemented without using a phase locked loop frequency synthesizer and a receiving method of a receiver implemented without using a phase locked loop frequency synthesizer are provided. The receiver includes a radio frequency (RF) receiving unit; a band-selecting unit; an RF amplifier; a low oscillation (LO) signal generator; a mixer; an IF amplifier; an analog to digital (A/D) converter; and a channel-selecting unit. The method includes passing a frequency band of a radio frequency (RF) signal received by an RF receiving unit; amplifying the passed RF signal; generating a low oscillation (LO) signal having a fixed frequency; mixing the LO signal with the amplified RF signal to lower the frequency of the amplified RF signal; outputting an intermediate frequency (IF) signal; amplifying the IF signal; converting the amplified IF signal into a digital signal; and selectively passing frequencies of the digital signal corresponding to a specific channel.
    • 提供了不使用锁相环频率合成器实现的接收机和不使用锁相环频率合成器实现的接收机的接收方法。 接收机包括射频(RF)接收单元; 频带选择单元; 射频放大器; 低振荡(LO)信号发生器; 搅拌机 一个IF放大器; 模数(A / D)转换器; 和频道选择单元。 该方法包括通过RF接收单元接收的射频(RF)信号的频带; 放大经过的射频信号; 产生具有固定频率的低振荡(LO)信号; 将LO信号与放大的RF信号混合以降低放大的RF信号的频率; 输出中频(IF)信号; 放大IF信号; 将放大的IF信号转换成数字信号; 并选择性地通过对应于特定频道的数字信号的频率。
    • 8. 发明申请
    • Guardrail With a Buffer Bracket For a Road
    • 带有缓冲支架的护栏用于道路
    • US20080251776A1
    • 2008-10-16
    • US11816813
    • 2006-04-27
    • Joong Suk ParkMi Rye Seo
    • Joong Suk ParkMi Rye Seo
    • E01F15/00
    • E01F15/0438
    • A road guardrail having an impact buffering bracket between a waveform shape plate and a guardrail plate is disposed, in which an impact buffering bracket formed of a metallic plate is divided into a front bracket and a rear bracket, and the front and rear brackets are elastically engaged in forward and backward directions. When a vehicle collides with a guardrail plate, the engaged front and rear brackets are flexibly contracted for thereby releasing impact force, and in another embodiment of the present invention, an impact buffering bracket is formed in a rectangular tube shape, and a weak portion having a plurality of holes at both sides is formed. When a vehicle collides with a guardrail, the weak portion formed at the lateral sides is flexibly contracted for thereby releasing n impact force.
    • 设置在波形形状板和护栏板之间具有冲击缓冲支架的道路护栏,其中由金属板形成的冲击缓冲支架分为前支架和后支架,前后支架弹性地 从事向前和向后的方向。 当车辆与护栏板碰撞时,接合的前托架和后托架被弹性地收缩,从而释放冲击力,而在本发明的另一个实施例中,冲击缓冲支架形成为矩形管状,并且具有 形成两侧的多个孔。 当车辆与护栏碰撞时,形成在侧面的弱部被柔性地收缩,从而释放出冲击力。
    • 9. 发明申请
    • Falling Rock Preventing Fence With Fabrication Typewire Net
    • 坠岩预防围栏与制造类型网
    • US20080157045A1
    • 2008-07-03
    • US11816815
    • 2006-04-27
    • Joong Suk ParkMi Rye Seo
    • Joong Suk ParkMi Rye Seo
    • E04H17/02
    • E01F7/045
    • A falling rock preventing fence assembled with a steel net is disclosed, in which a plurality of support members are provided in a pipe shape having a rectangular grooves in upper and lower longitudinal directions, with the support member being installed on the ground at regular intervals, and both ends of the steel net formed in a rectangular plate shape are inserted into the rectangular grooves of the neighboring support member and are fixed using a fixture such as a bolt, etc., and the upper and lower portions of the steel nets stacked in the upper and lower direction are connected with a connection member such as a bolt, etc., and the strength of the steel net is enhanced by the rectangular grooves longitudinally formed in the support member and the end of the steel net inserted in the rectangular groove.
    • 公开了一种组装在钢网上的防落落栅栏,其中多个支撑构件设置成具有上下纵向方向的矩形槽的管状,其中支撑构件以规则的间隔安装在地面上, 并且形成为矩形板状的钢网的两端插入到相邻的支撑构件的矩形槽中,并且使用诸如螺栓等的固定件固定,并且钢网的上部和下部堆叠在 上下方向与诸如螺栓等的连接构件连接,并且通过纵向形成在支撑构件中的矩形槽和插入矩形槽中的钢网的端部来增强钢网的强度 。
    • 10. 发明申请
    • Guidepost for a Road
    • 路标路标
    • US20080145145A1
    • 2008-06-19
    • US11816818
    • 2006-06-20
    • Joong Suk Park
    • Joong Suk Park
    • E01F9/011
    • G09F7/18E01F9/61
    • A guidepost of a road is disclosed, in which there are provided a groove pipe frame having an insertion groove along an entire length of a circular pipe and a guidepost having an insertion frame inserted into the insertion groove and provided at a backside of a guidepost having various road and traffic information, and the insertion groove of the groove pipe frame and the insertion frame of the guidepost are assembled based on an insertion method, and a rim reinforcing angle is provided for reinforcing the guidepost made of an aluminum plate at an outer side of a backside of the guidepost, and a T-shaped space portion is formed at the insertion frame, with an upper side of the same being opened, and the insertion frame and the guidepost are assembled based on a sliding and insertion method for thereby achieving a simple and easily assembling work in a state that it is loosely installed at the insertion groove of the groove pipe frame using a fixing bolt.
    • 公开了一种道路的路标,其中设置有沿着圆管的整个长度具有插入槽的槽管框架和具有插入插入槽中的插入框架的导轨,并且设置在具有 各种道路和交通信息,以及槽管框架的插入槽和导轨的插入框架是基于插入方法组装的,并且提供了边缘加强角,用于在外侧加强由铝板制成的导轨 并且在插入框架上形成T形空间部分,其上侧开口,并且基于滑动和插入方法组装插入框架和导轨,从而实现 在使用固定螺栓松动地安装在槽管框架的插入槽的状态下的简单且容易的组装工作。