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    • 2. 发明公开
    • BOARD GAME SET
    • 板游戏集
    • EP2203226A1
    • 2010-07-07
    • EP08781655.9
    • 2008-07-11
    • Katz, Daniel
    • Katz, Daniel
    • A63F3/02
    • A63F3/00574A63F2003/00599A63F2003/007A63F2003/00772A63F2003/00886
    • A portable game set comprising a game board constructed out of corrugated paper board having indicia thereon representing a game board and having slits on each position for receiving a game piece. The game pieces are rectangular and made of a transparent material so that the indicia indicating the game pieces is visible on both sides of the board. The corrugated paper board applies a large amount of pressure on the portion of the game pieces and has a highly frictional surface to securely retain the game pieces within the slits. The corrugated paper board rigidly holds the game pieces in the slits allowing the game to be played during a windy day or in turbulence. When the game pieces are inserted into the slits, the game pieces vertically extend approximately 90 degrees with respect to the board thereby providing an improved appearance.
    • 一种便携式游戏装置,包括由瓦楞纸板构成的游戏板,所述游戏板上具有代表游戏板的标记并且在每个位置上具有用于接收游戏件的狭缝。 游戏棋子是矩形的并且由透明材料制成,使得在棋盘的两侧可以看到指示游戏棋子的标记。 瓦楞纸板在游戏部分的部分上施加大量的压力并具有高度摩擦的表面以将游戏块牢固地保持在狭缝内。 瓦楞纸板将游戏块牢固地保持在狭缝中,从而允许在刮风的日子或湍流中玩游戏。 当游戏块插入狭缝中时,游戏块相对于板垂直延伸大约90度,从而提供改进的外观。
    • 6. 发明公开
    • SINGLE BURST SINGLE SATELLITE BEACON LOCALIZATION
    • 单发单卫星信标定位
    • EP3267216A1
    • 2018-01-10
    • EP17169884.8
    • 2017-05-08
    • Katz, Daniel A.
    • Katz, Daniel A.
    • G01S5/02G01S1/68G01S19/17
    • G01S5/0231B63C2009/0017G01S1/685G01S5/0273G01S19/02G01S19/17G01S19/252
    • A method and devices are disclosed, for localization of a radio beacon at a remote receiver in the framework of a satellite system. Such satellite system could be Cospas-Sarsat, for Search and Rescue of people, ships and aircraft in distress, and particularly its MEOSAR (Medium Earth Orbit Search and Rescue) segments: DASS/GPS, SAR/Galileo and SAR/Glonass; said beacon is typically one of a PLB (Personal Locator Beacon) or EPIRB (Emergency Position Indicating Radio Beacon) or ELT (Emergency Locator Beacon); and said remote receiver is typically a MEOLUT (Medium Earth Orbit Local User Terminal) base station.
      Present art MEOSAR localization is based on Time measurements and Frequency measurements on signals emitted by radio beacons, relayed by satellites and detected at a MEOLUT; however since the exact time of transmission of the beacon is unknown at the MEOLUT, Time Difference of Arrival (TDOA) equations are applied. The present invention however, discloses that by carefully configuring the time of transmission at said beacon, even without directly communicating that specific time to the MEOLUT, Time of Arrival (TOA) equations could be applied at the MEOLUT enabling enhanced localization accuracy and/or fewer satellites in view required to localize the beacon. In particular, localization is enabled even upon a single burst emitted by the beacon and relayed to the MEOLUT by a single satellite.
    • 公开了一种方法和设备,用于在卫星系统的框架内将无线电信标定位在远程接收器处。 这种卫星系统可以是Cospas-Sarsat,用于搜救遇难人员,船只和飞机,特别是其MEOSAR(中等地球轨道搜索和救援)部分:DASS / GPS,SAR / Galileo和SAR / Glonass; 所述信标通常是PLB(个人定位器信标)或EPIRB(紧急位置指示无线电信标)或ELT(紧急定位器信标)中的一个; 并且所述远程接收器通常是MEOLUT(中等地球轨道本地用户终端)基站。 现有技术MEOSAR定位基于由无线电信标发射的信号的时间测量和频率测量,由卫星中继并在MEOLUT处检测; 然而由于在MEOLUT中信标传输的确切时间是未知的,因此应用时差(TDOA)方程。 然而,本发明公开了通过在所述信标处仔细配置传输时间,即使没有直接将该特定时间传达给MEOLUT,也可以在MEOLUT上应用到达时间(TOA)方程,从而增强定位准确性和/或减少 需要定位烽火台的卫星。 特别是,即使在由信标发出的单个脉冲串并通过单个卫星中继到MEOLUT的情况下,也能够进行定位。