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    • 3. 发明授权
    • Wave saw blade
    • 波锯片
    • US06872133B2
    • 2005-03-29
    • US10626290
    • 2003-07-24
    • Seung Weon LeeYong Hyun ParkJong Suk ChoiEui Seok Jung
    • Seung Weon LeeYong Hyun ParkJong Suk ChoiEui Seok Jung
    • B23D61/02B23D61/04B24D3/00B24D5/06B24D5/12B28D1/04B28D1/12B23F21/03
    • B28D1/121
    • A saw blade for cutting hard workpieces, such as concrete or stone, characterized by improvement of the shape of a shank of the saw blade providing a plurality of cutting tips of the saw blade with a rotational force while the cutting tips are securely attached to the shank. The saw blade comprises a disc-shaped shank having an insertion hole formed at the center thereof, through which a rotating shaft of an electric-powered tool is inserted, and wave-shaped portions formed over a prescribed portion of the radius of the disc-shaped shank, and a plurality of cutting tips attached to the outer circumference of the shank for cutting a workpiece. The wave-shaped portions are spaced a prescribed distance from each other and alternately arranged on the front and rear surfaces of the disc-shaped shank. The prescribed portion of the radius of the disc-shaped shank is at a distance from the center of the insertion hole. The cutting tips contain particles of high hardness.
    • 一种用于切割硬质工件的锯片,例如混凝土或石头,其特征在于锯切刀柄的形状改进,其中切割刀片牢固地附接到刀片上,提供锯片的多个切割尖端,并具有旋转力 小腿 锯片包括一个圆盘形的柄,其中心具有形成在其中心的插入孔,电动工具的旋转轴穿过该插入孔,以及形成在盘形半圆形半径的规定部分上的波浪状部分, 以及连接到柄的外周的多个切割尖端,用于切割工件。 波形部分彼此隔开规定的距离并且交替地布置在盘形柄的前表面和后表面上。 盘形柄的半径的规定部分距离插入孔的中心一定距离。 切削尖端含有高硬度的颗粒。
    • 4. 发明授权
    • Speaker with auxiliary air hole
    • 扬声器带辅助气孔
    • US08160289B2
    • 2012-04-17
    • US11699205
    • 2007-01-29
    • Yong-Hyun Park
    • Yong-Hyun Park
    • H04R25/00
    • H04R11/04
    • A speaker applicable to various electronic devices includes a speaker body including a magnet and a diaphragm having a voice coil interacting with the magnet, the magnet and the diaphragm being sequentially received therein; at least one main hole defined through a rear surface of the speaker where a speaker sound is not output, such that air generated in the speaker according to vibration of the diaphragm is discharged therethrough; and at least one auxiliary air hole defined through a predetermined location of a side surface of the body to communicate with an inside of the body, such that air within the speaker is additionally discharged therethrough.
    • 适用于各种电子设备的扬声器包括扬声器主体,其包括磁体和具有与磁体相互作用的音圈的隔膜,磁体和隔膜依次接收在其中; 至少一个主孔限定在扬声器的未被输出的扬声器的后表面上,使得根据隔膜的振动在扬声器中产生的空气通过其排出; 以及至少一个辅助空气孔,其通过主体的侧表面的预定位置限定,以与身体的内部连通,使得扬声器内的空气另外从其中排出。
    • 5. 发明授权
    • Method for estimating location of moving object in navigation system
    • 估算导航系统中移动物体位置的方法
    • US07117087B2
    • 2006-10-03
    • US10681106
    • 2003-10-09
    • Mun Ho JungMoon Jeung JoeYong Hyun ParkSeong Chan Byun
    • Mun Ho JungMoon Jeung JoeYong Hyun ParkSeong Chan Byun
    • G01C21/26
    • G01S19/50G01C21/30G01S19/49
    • The present invention relates to a method for estimating location of a moving object in a navigation system, which is capable of accurately estimating location of the object in a shadow area of GPS location data so that navigation service is provided. A method for estimating location of a moving object in a navigation system includes the steps of: (a) receiving GPS location data from a moving object; (b) determining GPS shadow area by using the received GPS location data; (c) calculating moving straight distance of the moving object with reference to a last GPS location data in visible regions when the moving object is in a GPS shadow area; (d) calculating virtual location data by using the calculated moving straight distance of the moving object; and (e) calculating estimated location on a digital numeric map positioned nearest from the virtual location data, and performing a map-matching to provide a navigation service.
    • 本发明涉及一种用于估计导航系统中移动物体的位置的方法,该方法能够准确地估计GPS位置数据的阴影区域中物体的位置,从而提供导航服务。 一种用于估计导航系统中移动物体位置的方法,包括以下步骤:(a)从移动物体接收GPS位置数据; (b)使用所接收的GPS位置数据确定GPS影子区域; (c)当移动物体处于GPS影像区域时,参考可见区域中的最后GPS位置数据计算移动物体的移动直线距离; (d)通过使用所计算的移动物体的移动直线距离来计算虚拟位置数据; 以及(e)计算位于最靠近虚拟位置数据的数字数字地图上的估计位置,以及执行地图匹配以提供导航服务。
    • 7. 发明授权
    • Apparatus and method for processing traffic information
    • 用于处理交通信息的装置和方法
    • US07349799B2
    • 2008-03-25
    • US11109233
    • 2005-04-18
    • Moon Jeung JoeMun Ho JungYong Hyun Park
    • Moon Jeung JoeMun Ho JungYong Hyun Park
    • H04H1/00G08G1/0968
    • G08G1/092G08G1/093G08G1/0968G08G1/096861H04H20/55
    • In the present invention, traffic information broadcast by a traffic information center is received, indexes are created, and the index and travel speed information on a mobile object are stored. A matching table is created to match first map data for use in broadcasting the traffic information and second map data used by a navigation system to each other. The traffic information is simply matched to the second map data used by the navigation system, using the created matching table. When the travel speed of the mobile object on each link is intended to be displayed with a predetermined color after the matching of the traffic information to the second map data, the storage capacity of a traffic information storage unit is reduced, which stores traffic information displayed together with arrows for indicating the travel direction.
    • 在本发明中,接收到由交通信息中心广播的交通信息,生成指标,存储有关移动体的索引和行进速度信息。 创建匹配表以匹配用于广播导航系统彼此使用的交通信息和第二地图数据的第一地图数据。 使用创建的匹配表,交通信息简单地与导航系统使用的第二地图数据相匹配。 当将交通信息与第二地图数据进行匹配之后,要在每个链路上移动对象的行进速度以预定颜色显示时,减少交通信息存储单元的存储容量,存储交通信息显示 与指示行进方向的箭头一起。
    • 9. 发明申请
    • Speaker with auxiliary air hole
    • 扬声器带辅助气孔
    • US20070195985A1
    • 2007-08-23
    • US11699205
    • 2007-01-29
    • Yong-Hyun Park
    • Yong-Hyun Park
    • H04R9/06H04R1/00
    • H04R11/04
    • A speaker applicable to various electronic devices includes a speaker body including a magnet and a diaphragm having a voice coil interacting with the magnet, the magnet and the diaphragm being sequentially received therein; at least one main hole defined through a rear surface of the speaker where a speaker sound is not output, such that air generated in the speaker according to vibration of the diaphragm is discharged therethrough; and at least one auxiliary air hole defined through a predetermined location of a side surface of the body to communicate with an inside of the body, such that air within the speaker is additionally discharged therethrough.
    • 适用于各种电子设备的扬声器包括扬声器主体,其包括磁体和具有与磁体相互作用的音圈的隔膜,磁体和隔膜依次接收在其中; 至少一个主孔限定在扬声器的未被输出的扬声器的后表面上,使得根据隔膜的振动在扬声器中产生的空气通过其排出; 以及至少一个辅助空气孔,其通过主体的侧表面的预定位置限定,以与身体的内部连通,使得扬声器内的空气另外从其中排出。