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    • 5. 发明授权
    • Tilt adjustment locking mechanism for a head-mounted night vision device
    • 用于头戴式夜视装置的倾斜调节锁定机构
    • US07643231B2
    • 2010-01-05
    • US11946181
    • 2007-11-28
    • David Richards
    • David Richards
    • G02B7/02
    • G02B7/002G02B23/125
    • A mechanism for permitting selective adjustment of the angular position of a head-mounted night vision device is provided. The mechanism comprises a housing positioned adjacent the night vision device. A shaft defining a longitudinal axis is at least partially positioned within or adjacent the housing. The shaft is rotatively coupled to the night vision device, wherein rotation of the shaft induces rotation of the night vision device. A moveable lever is coupled to the shaft for rotating the shaft. Means for selectively limiting rotation of the shaft are provided, wherein the means are moveable between a first position and a second position. In the first position the means permit rotation of the shaft and the optical device, and in the second position the means limit rotation of the shaft and the optical device.
    • 提供一种用于允许选择性地调节头戴式夜视装置的角位置的机构。 该机构包括邻近夜视装置定位的壳体。 限定纵向轴线的轴至少部分地定位在壳体内或邻近壳体。 轴可旋转地耦合到夜视装置,其中轴的旋转引起夜视装置的旋转。 可移动杆联接到轴以旋转轴。 提供了用于选择性地限制轴的旋转的装置,其中装置可在第一位置和第二位置之间移动。 在第一位置,该装置允许轴和光学装置的旋转,并且在第二位置,装置限制轴和光学装置的旋转。
    • 6. 发明授权
    • Copolyetherimides
    • 共聚酰亚胺
    • US07605222B2
    • 2009-10-20
    • US11210164
    • 2005-08-22
    • Qing YeDavid Bruce HallWilliam David RichardsDaniel Joseph BrunelleHavva Yagci Acar
    • Qing YeDavid Bruce HallWilliam David RichardsDaniel Joseph BrunelleHavva Yagci Acar
    • C08G73/00
    • C08G73/1046C08G73/124
    • Copolyetherimides compositions having high glass transition temperatures and outstanding ductility are presented. The copolyetherimides having Mw of at least 40,000 comprising isomeric bis(phthalimide) structural units within a relatively narrow range of isomer proportions exhibited Tgs of at least 240° C. and outstanding Notched Izod values. The copolyetherimides comprise oxydianiline residues and structural units of the formulas (I) and (II) (III). The copolyetherimides are characterized by a mole percentage of structural units derived from 4,4′-biphenol in a range from about 55% to about 85% of all bisphenol-derived structural units present in the copolyetherimide composition; a mole percentage of structural units derived from bisphenol A in a range from about 45% to about 15% of all bisphenol-derived structural units present in the copolyetherimide composition; and a total mole percentage of structural units derived from bisphenol A or 4,4′-biphenol of at least 95% of all bisphenol-derived structural units present in the copolyetherimide composition.
    • 提出了具有高玻璃化转变温度和优异延展性的共聚酰亚胺组合物。 具有至少40,000的Mw的共聚醚酰亚胺,其包含在相对窄的异构体比例范围内的异构双(邻苯二甲酰亚胺)结构单元,其Tg至少为240℃,并且具有优异的缺口伊佐德值。 共聚醚酰亚胺包括氧化二苯胺残基和式(I)和(II)(III)的结构单元。 共聚醚酰亚胺的特征在于衍生自4,4'-联苯酚的结构单元的百分比在共聚醚酰亚胺组合物中存在的所有双酚衍生的结构单元的约55%至约85%的范围内; 来自双酚A的结构单元的摩尔百分比在存在于共聚醚酰亚胺组合物中的所有双酚衍生的结构单元的约45%至约15%的范围内; 并且衍生自双酚A或4,4'-联苯酚的结构单元的总摩尔百分比为存在于共聚醚酰亚胺组合物中的所有双酚衍生的结构单元的至少95%。
    • 7. 发明授权
    • Biased card deal
    • 偏袒卡交易
    • US07422215B2
    • 2008-09-09
    • US10681797
    • 2003-10-08
    • Darrell D. CampbellDavid RichardsSpencer Peterson
    • Darrell D. CampbellDavid RichardsSpencer Peterson
    • A63F1/00
    • A63F1/14A63F3/00157G07F17/32G07F17/3293
    • In the present invention, a method is provided for biasing or controlling the deal of cards, or other indicia, to players of a game. The cards are biased such that each player in the game will receive a hand that is close in ranking to all the other players of the game. Each player of the game is assigned a deviation multiplier selected from a list. Next an initial single hand rank is randomly selected and each player's deviation number is used to identify a range of hand rankings from which each player's hand is selected. If the initial hand ranking is 50 and the average deviation for a player is 2, the player's hand ranking will be in the range of 50±(10×deviation multiplier) or 50±(20) which is 30-70. (i.e. 50±20 or 50−20=30 and 50+20=70). Biasing the deal of the cards increases the excitement and competition of the game by allowing all players of the game to have relatively close hand rankings.
    • 在本发明中,提供了一种用于偏移或控制对游戏玩家的牌或其他标记的交易的方法。 这些牌是有偏差的,使得游戏中的每个玩家将会收到一个靠近游戏中所有其他玩家的手牌。 游戏的每个玩家被分配从列表中选择的偏差乘数。 接下来,随机选择初始单手等级,并且使用每个玩家的偏差数来识别每个玩家的手被选择的手排名的范围。 如果初始手排名为50,平均偏差为2,则玩家的手分级将在50±(10倍变倍乘数)或50±(20)范围内,即30-70。 (即50±20或50-20 = 30和50 + 20 = 70)。 通过允许游戏的所有玩家具有相对较近的手排名,偏紧牌的交易增加了游戏的兴奋和竞争。